* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {

    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #1c2128;
    --bg-hover: #21262d;
    --bg-modal: rgba(22, 27, 34, 0.95);
    --bg-gradient: linear-gradient(135deg, #0d1117 0%, #1a1f2e 100%);

    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;

    --border-color: #30363d;
    --border-hover: #3d444d;

    --accent-primary: #58a6ff;
    --accent-primary-glow: rgba(88, 166, 255, 0.4);
    --accent-secondary: #bc8cff;
    --accent-tertiary: #56d364;

    --success-color: #3fb950;
    --success-glow: color-mix(in srgb, var(--success-color) 40%, transparent);
    --warning-color: #d29922;
    --warning-glow: color-mix(in srgb, var(--warning-color) 40%, transparent);
    --error-color: #f85149;
    --error-glow: color-mix(in srgb, var(--error-color) 40%, transparent);
    --info-color: #58a6ff;

    --btn-primary-gradient-end: #4078c0;
    --btn-primary-text: #ffffff;
    --btn-danger-gradient-end: #c93030;
    --btn-danger-text: #ffffff;
    --btn-primary-shadow: rgba(88, 166, 255, 0.3);
    --btn-primary-shadow-hover: rgba(88, 166, 255, 0.4);
    --accent-on-text: #ffffff; 

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--accent-primary-glow);

    --font-sans: "Sora", "Space Grotesk", "Syne", "Noto Sans", sans-serif;
    --font-mono: "IBM Plex Mono", "JetBrains Mono", "Source Code Pro", monospace;

    --term-background: #1c2128;
    --term-foreground: #e6edf3;
    --term-black: #484848;
    --term-red: #ff6b6b;
    --term-green: #4ec97a;
    --term-yellow: #e5c07b;
    --term-blue: #61afef;
    --term-magenta: #c678dd;
    --term-cyan: #56b6c2;
    --term-white: #dcdfe4;
    --term-bright-black: #636363;
    --term-bright-red: #ff8787;
    --term-bright-green: #7ee0a0;
    --term-bright-yellow: #ffd68a;
    --term-bright-blue: #82c8f5;
    --term-bright-magenta: #d9a0e8;
    --term-bright-cyan: #7ccbd4;
    --term-bright-white: #ffffff;

    --bg-active: rgba(88, 166, 255, 0.15);

    --touch-target-min: 44px;
    --font-size-mobile: 12px;
    --font-size-tablet: 13px;
    --font-size-desktop: 14px;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-gradient);
    color: var(--text-primary);
    overflow: hidden;
    overflow-x: hidden !important;
    height: 100vh;
    height: 100dvh; 
    display: flex;
    flex-direction: column;
    overscroll-behavior: none;
    width: 100vw;
    max-width: 100vw;
    position: relative;
}

html {
    overflow: hidden;
    overflow-x: hidden !important;
    overscroll-behavior: none;
    width: 100vw;
    max-width: 100vw;
}

@media (max-width: 767px) {
    html {
        overflow-y: auto;
        overflow-x: hidden;
        height: 100%;
    }

    body {
        overflow-y: auto;
        overflow-x: hidden;
        height: auto;
        min-height: 100vh;
        min-height: 100dvh;
        padding-bottom: env(safe-area-inset-bottom, 0);
    }
}

body[data-theme="retro"] {

    --bg-primary: #0d0a15;
    --bg-secondary: #151220;
    --bg-tertiary: #1d1a2c;
    --bg-hover: #28243d;
    --bg-modal: rgba(16, 12, 22, 0.97);
    --bg-gradient: radial-gradient(circle at 30% 15%, #3d2415 0%, #1f1534 30%, #0d0a15 60%, #080610 100%);
    --bg-active: rgba(255, 180, 84, 0.18);

    --text-primary: #fff4e8;
    --text-secondary: #d4bfa6;
    --text-muted: #8a7566;

    --border-color: #3a2f28;
    --border-hover: #54453a;

    --accent-primary: #ffb454;
    --accent-primary-glow: rgba(255, 180, 84, 0.4);
    --accent-secondary: #62b3ff;
    --accent-tertiary: #7bffb3;

    --success-color: #7bffb3;
    --warning-color: #ffd166;
    --error-color: #ff8875;

    --btn-primary-gradient-end: #d48a30;
    --btn-primary-text: #000000;
    --btn-primary-shadow: rgba(255, 180, 84, 0.35);
    --btn-primary-shadow-hover: rgba(255, 180, 84, 0.5);
    --btn-danger-gradient-end: #c94444;
    --btn-danger-text: #ffffff;
    --accent-on-text: #000000;

    --font-sans: "Syne", "Sora", "Space Grotesk", sans-serif;
    --font-mono: "Source Code Pro", "IBM Plex Mono", "JetBrains Mono", monospace;

    --term-background: #1d1a2c;
    --term-foreground: #fff4e8;
    --term-black: #2a2230;
    --term-red: #ff8875;
    --term-green: #8bffb8;
    --term-yellow: #ffd166;
    --term-blue: #75b8ff;
    --term-magenta: #ffb3d4;
    --term-cyan: #8ae8ff;
    --term-white: #f0e4d0;
    --term-bright-black: #4a3f4d;
    --term-bright-red: #ffab9a;
    --term-bright-green: #a8ffcc;
    --term-bright-yellow: #ffe599;
    --term-bright-blue: #99d1ff;
    --term-bright-magenta: #ffd1e8;
    --term-bright-cyan: #b3f0ff;
    --term-bright-white: #fffbf5;
}

body[data-theme="solar"] {

    --bg-primary: #0a0e18;
    --bg-secondary: #0f1524;
    --bg-tertiary: #151d30;
    --bg-hover: #1d2640;
    --bg-modal: rgba(12, 16, 28, 0.96);
    --bg-gradient: radial-gradient(circle at 85% 8%, #2a3d5a 0%, #1a2438 35%, #0a0e18 65%, #060810 100%);
    --bg-active: rgba(110, 168, 255, 0.16);

    --text-primary: #eef5ff;
    --text-secondary: #b8cdeb;
    --text-muted: #6a7d9a;

    --border-color: #283a52;
    --border-hover: #364b68;

    --accent-primary: #6ea8ff;
    --accent-primary-glow: rgba(110, 168, 255, 0.38);
    --accent-secondary: #ffd166;
    --accent-tertiary: #7ee0c4;

    --success-color: #7ee0c4;
    --warning-color: #ffd166;
    --error-color: #ff8875;

    --btn-primary-gradient-end: #4a80cc;
    --btn-primary-text: #ffffff;
    --btn-primary-shadow: rgba(110, 168, 255, 0.32);
    --btn-primary-shadow-hover: rgba(110, 168, 255, 0.48);
    --btn-danger-gradient-end: #c94444;
    --btn-danger-text: #ffffff;
    --accent-on-text: #ffffff;

    --font-sans: "Syne", "Sora", "Space Grotesk", sans-serif;
    --font-mono: "Source Code Pro", "IBM Plex Mono", "JetBrains Mono", monospace;

    --term-background: #151d30;
    --term-foreground: #eef5ff;
    --term-black: #2a3444;
    --term-red: #ff8875;
    --term-green: #7ee0c4;
    --term-yellow: #ffd166;
    --term-blue: #6ea8ff;
    --term-magenta: #d4a8ff;
    --term-cyan: #70d9ff;
    --term-white: #dce8f5;
    --term-bright-black: #475364;
    --term-bright-red: #ffab9a;
    --term-bright-green: #9fecd8;
    --term-bright-yellow: #ffe599;
    --term-bright-blue: #99c4ff;
    --term-bright-magenta: #e8c8ff;
    --term-bright-cyan: #a8ebff;
    --term-bright-white: #ffffff;
}

body[data-theme="paper"] {

    --bg-primary: #f8f4ec;
    --bg-secondary: #f2ede3;
    --bg-tertiary: #ebe4d8;
    --bg-hover: #e1d7c8;
    --bg-modal: rgba(248, 243, 234, 0.98);
    --bg-gradient: linear-gradient(150deg, #faf6ee 0%, #f0e8da 50%, #ebe2cf 100%);
    --bg-active: rgba(199, 125, 72, 0.14);

    --text-primary: #2d2621;
    --text-secondary: #5e554c;
    --text-muted: #8e847a;

    --border-color: #d4cbbf;
    --border-hover: #bdb2a3;

    --accent-primary: #c77d48;
    --accent-primary-glow: rgba(199, 125, 72, 0.28);
    --accent-secondary: #6a8caf;
    --accent-tertiary: #6aa84f;

    --success-color: #5b9a42;
    --warning-color: #c29316;
    --error-color: #c84638;

    --btn-primary-gradient-end: #a66338;
    --btn-primary-text: #ffffff;
    --btn-primary-shadow: rgba(199, 125, 72, 0.28);
    --btn-primary-shadow-hover: rgba(199, 125, 72, 0.4);
    --btn-danger-gradient-end: #a83c2e;
    --btn-danger-text: #ffffff;
    --accent-on-text: #ffffff;

    --shadow-sm: 0 1px 3px rgba(45, 38, 33, 0.08);
    --shadow-md: 0 4px 12px rgba(45, 38, 33, 0.1);
    --shadow-lg: 0 8px 24px rgba(45, 38, 33, 0.12);

    --font-sans: "Space Grotesk", "Sora", "Noto Sans", sans-serif;
    --font-mono: "JetBrains Mono", "IBM Plex Mono", "Source Code Pro", monospace;

    --term-background: #ebe4d8;
    --term-foreground: #2d2621;
    --term-black: #4a3f38;
    --term-red: #c84638;
    --term-green: #5b9a42;
    --term-yellow: #c29316;
    --term-blue: #5a7a9c;
    --term-magenta: #a8628a;
    --term-cyan: #4d9a8e;
    --term-white: #8e847a;
    --term-bright-black: #6e615a;
    --term-bright-red: #e55a4a;
    --term-bright-green: #72b854;
    --term-bright-yellow: #dbaa28;
    --term-bright-blue: #6a8caf;
    --term-bright-magenta: #c57aa6;
    --term-bright-cyan: #62b8aa;
    --term-bright-white: #2d2621;
}

body[data-theme="noir"] {

    --bg-primary: #06080d;
    --bg-secondary: #0c0f18;
    --bg-tertiary: #111620;
    --bg-hover: #18202e;
    --bg-modal: rgba(8, 10, 15, 0.97);
    --bg-gradient: linear-gradient(145deg, #06080d 0%, #0d1120 40%, #0a0e1a 100%);
    --bg-active: rgba(127, 145, 255, 0.15);

    --text-primary: #eff3fc;
    --text-secondary: #a8b2ca;
    --text-muted: #606b84;

    --border-color: #1c2840;
    --border-hover: #283a58;

    --accent-primary: #7f91ff;
    --accent-primary-glow: rgba(127, 145, 255, 0.38);
    --accent-secondary: #4de6c4;
    --accent-tertiary: #ff8fa3;

    --success-color: #4de6c4;
    --warning-color: #ffc769;
    --error-color: #ff8fa3;

    --btn-primary-gradient-end: #5a6acc;
    --btn-primary-text: #ffffff;
    --btn-primary-shadow: rgba(127, 145, 255, 0.35);
    --btn-primary-shadow-hover: rgba(127, 145, 255, 0.5);
    --btn-danger-gradient-end: #cc5a6a;
    --btn-danger-text: #ffffff;
    --accent-on-text: #ffffff;

    --font-sans: "Syne", "Sora", "Space Grotesk", sans-serif;
    --font-mono: "IBM Plex Mono", "JetBrains Mono", "Source Code Pro", monospace;

    --term-background: #111620;
    --term-foreground: #eff3fc;
    --term-black: #1c2433;
    --term-red: #ff8fa3;
    --term-green: #4de6c4;
    --term-yellow: #ffc769;
    --term-blue: #7f91ff;
    --term-magenta: #c792ff;
    --term-cyan: #70e0ff;
    --term-white: #d4dce8;
    --term-bright-black: #3e4a5f;
    --term-bright-red: #ffaab8;
    --term-bright-green: #70f0d4;
    --term-bright-yellow: #ffd999;
    --term-bright-blue: #a0b3ff;
    --term-bright-magenta: #deaeff;
    --term-bright-cyan: #a0f0ff;
    --term-bright-white: #ffffff;
}

body[data-theme="arctic-ice"] {

    --bg-primary: #0a1316;
    --bg-secondary: #0f1b20;
    --bg-tertiary: #14252c;
    --bg-hover: #1c3340;
    --bg-modal: rgba(10, 19, 24, 0.97);
    --bg-gradient: linear-gradient(160deg, #0a1316 0%, #0f2838 45%, #164e63 100%);
    --bg-active: rgba(6, 182, 212, 0.16);

    --text-primary: #ecf8fb;
    --text-secondary: #a8d4de;
    --text-muted: #649099;

    --border-color: #1e3b48;
    --border-hover: #2d5260;

    --accent-primary: #06b6d4;
    --accent-primary-glow: rgba(6, 182, 212, 0.38);
    --accent-secondary: #a78bfa;
    --accent-tertiary: #fde68a;

    --success-color: #4de6c4;
    --warning-color: #fde68a;
    --error-color: #ff8fa3;

    --btn-primary-gradient-end: #0891a8;
    --btn-primary-text: #ffffff;
    --btn-primary-shadow: rgba(6, 182, 212, 0.35);
    --btn-primary-shadow-hover: rgba(6, 182, 212, 0.5);
    --btn-danger-gradient-end: #cc5a6a;
    --btn-danger-text: #ffffff;
    --accent-on-text: #000000;

    --font-sans: "Syne", "Sora", "Space Grotesk", sans-serif;
    --font-mono: "IBM Plex Mono", "JetBrains Mono", "Source Code Pro", monospace;

    --term-background: #14252c;
    --term-foreground: #ecf8fb;
    --term-black: #1c2d36;
    --term-red: #ff99ad;
    --term-green: #4de6c4;
    --term-yellow: #f5dba8;
    --term-blue: #70d0ff;
    --term-magenta: #c0b0ff;
    --term-cyan: #06b6d4;
    --term-white: #d4e8ed;
    --term-bright-black: #3d5460;
    --term-bright-red: #ffb3c2;
    --term-bright-green: #70f0d4;
    --term-bright-yellow: #fde68a;
    --term-bright-blue: #a0e8ff;
    --term-bright-magenta: #dac8ff;
    --term-bright-cyan: #56d8f0;
    --term-bright-white: #ffffff;
}

body[data-theme="rose-gold"] {

    --bg-primary: #160a10;
    --bg-secondary: #200e18;
    --bg-tertiary: #2c1320;
    --bg-hover: #3d1a2c;
    --bg-modal: rgba(22, 10, 16, 0.97);
    --bg-gradient: linear-gradient(145deg, #160a10 0%, #2c1320 40%, #4a1d2b 100%);
    --bg-active: rgba(244, 63, 94, 0.18);

    --text-primary: #fff2f6;
    --text-secondary: #edbcc8;
    --text-muted: #b07888;

    --border-color: #4d2233;
    --border-hover: #662d42;

    --accent-primary: #f43f5e;
    --accent-primary-glow: rgba(244, 63, 94, 0.4);
    --accent-secondary: #fbbf24;
    --accent-tertiary: #5eead4;

    --success-color: #5eead4;
    --warning-color: #fbbf24;
    --error-color: #f87171;

    --btn-primary-gradient-end: #c4304a;
    --btn-primary-text: #ffffff;
    --btn-primary-shadow: rgba(244, 63, 94, 0.35);
    --btn-primary-shadow-hover: rgba(244, 63, 94, 0.52);
    --btn-danger-gradient-end: #a83028;
    --btn-danger-text: #ffffff;
    --accent-on-text: #ffffff;

    --font-sans: "Sora", "Syne", "Space Grotesk", sans-serif;
    --font-mono: "JetBrains Mono", "IBM Plex Mono", "Source Code Pro", monospace;

    --term-background: #2c1320;
    --term-foreground: #fff2f6;
    --term-black: #3a1f2b;
    --term-red: #ff6b81;
    --term-green: #5eead4;
    --term-yellow: #fbbf24;
    --term-blue: #ff8fa3;
    --term-magenta: #f49ac2;
    --term-cyan: #7ee0c4;
    --term-white: #f0d4dc;
    --term-bright-black: #5c3a48;
    --term-bright-red: #ff8fa3;
    --term-bright-green: #80ffe0;
    --term-bright-yellow: #ffd366;
    --term-bright-blue: #ffaab8;
    --term-bright-magenta: #ffb8d4;
    --term-bright-cyan: #a0f0dc;
    --term-bright-white: #ffffff;
}

body[data-theme="cyberpunk-neon"] {

    --bg-primary: #0d0815;
    --bg-secondary: #130e1e;
    --bg-tertiary: #1a1428;
    --bg-hover: #261c38;
    --bg-modal: rgba(13, 8, 21, 0.97);
    --bg-gradient: radial-gradient(circle at 15% 85%, #4a0f70 0%, #1f0d38 35%, #0d0815 65%, #080510 100%);
    --bg-active: rgba(217, 70, 239, 0.2);

    --text-primary: #fbf3ff;
    --text-secondary: #dcc0f0;
    --text-muted: #9a75b8;

    --border-color: #331c4c;
    --border-hover: #4a2868;

    --accent-primary: #d946ef;
    --accent-primary-glow: rgba(217, 70, 239, 0.5);
    --accent-secondary: #00e5ff;
    --accent-tertiary: #b8ff57;

    --success-color: #b8ff57;
    --warning-color: #ffba00;
    --error-color: #ff3366;

    --btn-primary-gradient-end: #a830c0;
    --btn-primary-text: #ffffff;
    --btn-primary-shadow: rgba(217, 70, 239, 0.4);
    --btn-primary-shadow-hover: rgba(217, 70, 239, 0.6);
    --btn-danger-gradient-end: #cc2850;
    --btn-danger-text: #ffffff;
    --accent-on-text: #000000;

    --font-sans: "Syne", "Space Grotesk", "Sora", sans-serif;
    --font-mono: "JetBrains Mono", "IBM Plex Mono", "Source Code Pro", monospace;

    --term-background: #1a1428;
    --term-foreground: #fbf3ff;
    --term-black: #2a1c38;
    --term-red: #ff3366;
    --term-green: #b8ff57;
    --term-yellow: #ffba00;
    --term-blue: #5588ff;
    --term-magenta: #d946ef;
    --term-cyan: #00e5ff;
    --term-white: #e8d4f5;
    --term-bright-black: #4d3a5f;
    --term-bright-red: #ff5580;
    --term-bright-green: #d4ff80;
    --term-bright-yellow: #ffd433;
    --term-bright-blue: #77a3ff;
    --term-bright-magenta: #f070ff;
    --term-bright-cyan: #33f5ff;
    --term-bright-white: #ffffff;
}

body[data-theme="emerald-matrix"] {

    --bg-primary: #050c0a;
    --bg-secondary: #081410;
    --bg-tertiary: #0b1c18;
    --bg-hover: #0f2a22;
    --bg-modal: rgba(5, 12, 10, 0.97);
    --bg-gradient: linear-gradient(155deg, #050c0a 0%, #0b1c18 45%, #065f46 100%);
    --bg-active: rgba(16, 185, 129, 0.18);

    --text-primary: #ebfff6;
    --text-secondary: #aeecd8;
    --text-muted: #62ac94;

    --border-color: #133a2c;
    --border-hover: #1d5240;

    --accent-primary: #10b981;
    --accent-primary-glow: rgba(16, 185, 129, 0.4);
    --accent-secondary: #f59e0b;
    --accent-tertiary: #06b6d4;

    --success-color: #4ade80;
    --warning-color: #f59e0b;
    --error-color: #ff6b6b;

    --btn-primary-gradient-end: #0a8f64;
    --btn-primary-text: #000000;
    --btn-primary-shadow: rgba(16, 185, 129, 0.35);
    --btn-primary-shadow-hover: rgba(16, 185, 129, 0.5);
    --btn-danger-gradient-end: #c94444;
    --btn-danger-text: #ffffff;
    --accent-on-text: #000000;

    --font-sans: "Space Grotesk", "Sora", "Syne", sans-serif;
    --font-mono: "Source Code Pro", "IBM Plex Mono", "JetBrains Mono", monospace;

    --term-background: #0b1c18;
    --term-foreground: #ebfff6;
    --term-black: #1a2a26;
    --term-red: #ff8875;
    --term-green: #10b981;
    --term-yellow: #f59e0b;
    --term-blue: #06b6d4;
    --term-magenta: #4de6c4;
    --term-cyan: #34d399;
    --term-white: #c4e8d4;
    --term-bright-black: #2d4a42;
    --term-bright-red: #ffab9a;
    --term-bright-green: #34d399;
    --term-bright-yellow: #fbbf24;
    --term-bright-blue: #56d8f0;
    --term-bright-magenta: #70f0d4;
    --term-bright-cyan: #6ee7b7;
    --term-bright-white: #ffffff;
}

body[data-theme="obsidian"] {

    --bg-primary: #000000;
    --bg-secondary: #0b0b0b;
    --bg-tertiary: #151515;
    --bg-hover: #202020;
    --bg-modal: rgba(0, 0, 0, 0.98);
    --bg-gradient: linear-gradient(145deg, #000000 0%, #0d0d0d 50%, #1a1a1a 100%);
    --bg-active: rgba(255, 255, 255, 0.12);

    --text-primary: #ffffff;
    --text-secondary: #b8b8b8;
    --text-muted: #757575;

    --border-color: #2d2d2d;
    --border-hover: #404040;

    --accent-primary: #ffffff;
    --accent-primary-glow: rgba(255, 255, 255, 0.28);
    --accent-secondary: #ef4444;
    --accent-tertiary: #f59e0b;

    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;

    --btn-primary-gradient-end: #c4c4c4;
    --btn-primary-text: #000000;
    --btn-primary-shadow: rgba(255, 255, 255, 0.18);
    --btn-primary-shadow-hover: rgba(255, 255, 255, 0.3);
    --btn-danger-gradient-end: #b82020;
    --btn-danger-text: #ffffff;
    --accent-on-text: #000000;

    --font-sans: "Space Grotesk", "Sora", "Noto Sans", sans-serif;
    --font-mono: "IBM Plex Mono", "JetBrains Mono", "Source Code Pro", monospace;

    --term-background: #000000;
    --term-foreground: #ffffff;
    --term-black: #1a1a1a;
    --term-red: #ff5555;
    --term-green: #10b981;
    --term-yellow: #f59e0b;
    --term-blue: #5588ff;
    --term-magenta: #d946ef;
    --term-cyan: #06b6d4;
    --term-white: #d0d0d0;
    --term-bright-black: #4d4d4d;
    --term-bright-red: #ff7777;
    --term-bright-green: #34d399;
    --term-bright-yellow: #fbbf24;
    --term-bright-blue: #77a3ff;
    --term-bright-magenta: #f070ff;
    --term-bright-cyan: #56d8f0;
    --term-bright-white: #ffffff;
}

.header {
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 16px;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 1000;
    overflow-x: visible; 
    overflow-y: visible; 
    width: 100%;
    max-width: 100vw;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    min-width: 0;
    max-width: 100%;
    overflow: visible;
}

.header-title-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-menu-btn {
    display: none;
    margin-left: 12px;
}

.app-title {
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    text-shadow: 0 0 30px var(--accent-primary-glow);
}

.header-buttons {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    row-gap: 8px;
    overflow: visible; 
    position: relative; 
}

.header-buttons.is-open {
    display: flex;
}

.session-tabs {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding-top: 10px;
    padding-bottom: 2px;
    max-width: 100%;
    min-width: 0;
}

.session-tabs::-webkit-scrollbar {
    height: 4px;
}

.session-tabs::-webkit-scrollbar-track {
    background: transparent;
}

.session-tabs::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 2px;
}

.session-tabs::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

.session-tab {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px 8px 0 0;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 3px solid transparent;
    position: relative;
}

.session-tab::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.session-tab:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.session-tab.active {
    background: var(--bg-primary);
    border-bottom-color: var(--bg-primary);
    box-shadow: 0 0 20px var(--accent-primary-glow);
}

.session-tab.disconnected {
    opacity: 0.65;
}

.session-tab.active::before {
    opacity: 1;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--warning-color);
    box-shadow: 0 0 8px rgba(243, 201, 105, 0.6);
}

.status-dot.connected {
    background: var(--success-color);
    box-shadow: 0 0 8px rgba(56, 217, 169, 0.6);
}

.status-dot.disconnected {
    background: var(--error-color);
    box-shadow: 0 0 8px rgba(255, 107, 107, 0.5);
}

.session-tab:has(.status-dot.connected) {
    border-left-color: var(--success-color, #3fb950);
}

.session-tab:has(.status-dot.disconnected) {
    border-left-color: var(--error-color, #f85149);
}

.status-dot.connecting {
    background: var(--warning-color);
    box-shadow: 0 0 8px rgba(243, 201, 105, 0.7);
}

.tab-label {
    font-size: 13px;
    font-weight: 500;
    user-select: none;
    color: var(--text-primary);
    cursor: default;
}

.tab-label:hover {
    cursor: text;
}

.tab-rename-input {
    background: var(--bg-primary);
    border: 1px solid var(--accent-primary);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    padding: 2px 6px;
    width: 120px;
    max-width: 200px;
    outline: none;
    box-shadow: 0 0 0 2px var(--accent-primary-glow);
}

.tab-rename-input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

.tab-edit {
    font-size: 14px;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
    user-select: none;
    opacity: 0.3;
    margin-left: auto;
}

.session-tab:hover .tab-edit {
    opacity: 1;
}

.tab-edit:hover {
    color: var(--accent-primary);
    background: var(--accent-primary-glow);
}

.tab-close {
    font-size: 16px;
    line-height: 1;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
    user-select: none; 
}

.tab-close:hover {
    color: var(--error-color);
    background: rgba(248, 81, 73, 0.1);
}

.main-content {
    flex: 1;
    overflow: hidden;
    overflow-x: hidden;
    position: relative;
    background: var(--bg-primary);
    z-index: 1; 
    display: flex;
    flex-direction: column;
    min-height: 0;
    width: 100%;
    max-width: 100vw;
    isolation: isolate; 
}

.session-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 6px 12px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    backdrop-filter: blur(12px);
    min-width: 0;
    flex-wrap: wrap;
    max-width: 100%;
    overflow-x: hidden;
}

.session-bar.hidden {
    display: none;
}

.session-toolbar {
    display: flex;
    gap: 8px;
    align-items: center;
}

.session-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.mobile-input-bar {
    display: none;
    align-items: center;
    gap: 6px;
    flex: 1;
    min-width: 0;
}

.mobile-input-bar input {
    flex: 1;
    min-width: 0;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-mono);
    outline: none;
    transition: border-color 0.2s;
}

.mobile-input-bar input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--accent-primary-glow);
}

.mobile-input-bar input::placeholder {
    color: var(--text-muted);
}

.mobile-send-btn {
    padding: 8px 12px !important;
    min-width: 40px;
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.mobile-send-btn .material-icons {
    font-size: 18px;
}

.split-controls {
    display: inline-flex;
    gap: 6px;
}

.split-btn {
    width: 34px;
    height: 34px;
    padding: 0;
    font-size: 13px;
    border-radius: 8px;
    color: var(--text-secondary);
}

.split-btn.active {
    color: var(--text-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--accent-primary-glow);
}

.toolbar-btn {
    min-width: 40px;
    width: 40px;
    height: 40px;
    padding: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.toolbar-btn::before {
    display: none;
}

.toolbar-btn:hover {
    color: var(--accent-primary);
    border-color: var(--border-hover);
}

.toolbar-icon {
    width: 18px;
    height: 18px;
    display: block;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}

.toolbar-btn:hover .toolbar-icon {
    stroke: currentColor;
}

.session-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.session-meta-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.session-meta-notes {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
    max-width: 520px;
    word-break: break-word;
    overflow: hidden;
}

.session-meta-notes.empty {
    color: var(--text-muted);
}

.drop-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 18, 26, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 30;
    border: 2px dashed var(--accent-primary);
}

.drop-overlay-content {
    text-align: center;
    padding: 24px 32px;
    border-radius: 16px;
    background: rgba(23, 27, 34, 0.9);
    box-shadow: var(--shadow-lg);
}

.drop-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.drop-subtitle {
    margin-top: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.session-overlay {
    position: absolute;
    inset: 0;
    background: rgba(12, 14, 20, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
}

.session-overlay.hidden {
    display: none;
}

.session-overlay-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 20px 24px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.session-overlay-card h3 {
    margin-bottom: 8px;
    font-size: 16px;
    color: var(--text-primary);
}

.session-overlay-card p {
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--text-secondary);
}

.terminals-container {
    width: 100%;
    height: 100%;
    position: relative;
    flex: 1;
    min-height: 0;
    min-width: 0;
    overflow: hidden;
    overflow-x: hidden !important;
    max-width: 100%;
}

.terminal-search-bar {
    position: absolute;
    top: 16px;
    right: 32px;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 6px 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.terminal-search-bar.hidden {
    display: none;
}

.terminal-search-bar input {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 13px;
    padding: 6px 10px;
    width: 200px;
    outline: none;
}

.terminal-search-bar input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--accent-primary-glow);
}

.terminal-search-bar .search-count {
    font-size: 12px;
    color: var(--text-muted);
    min-width: 70px;
    text-align: center;
}

.terminal-search-bar .search-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 12px;
    padding: 4px 8px;
    transition: all 0.15s ease;
}

.terminal-search-bar .search-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.terminal-search-bar .search-close {
    color: var(--text-muted);
}

.terminal-search-bar .search-close:hover {
    color: var(--danger-color, #f85149);
}

.workspace {
    flex: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--notepad-width, clamp(240px, 24vw, 320px));
    min-height: 0;
    overflow: hidden;
    overflow-x: hidden !important;
    width: 100%;
    max-width: 100vw;
    position: relative;
}

.terminal-area {
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    overflow-x: hidden !important;
    width: 100%;
}

.resize-handle {
    width: 0;
    cursor: col-resize;
    background: transparent;
    position: absolute;
    top: 0;
    bottom: 0;
    right: var(--notepad-width, clamp(240px, 24vw, 320px));
    user-select: none;
    z-index: 10;
    transition: background 0.2s ease;
    overflow: visible;
}

.resize-handle:hover {
    background: var(--accent-primary-glow);
}

.resize-handle:active {
    background: var(--accent-primary-glow);
}

.resize-handle::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: -6px;
    width: 12px;
    cursor: col-resize;
    background: transparent;
}

.resize-handle-line {
    width: 2px;
    height: 40px;
    background: var(--border-color);
    border-radius: 2px;
    transition: all 0.2s ease;
    position: absolute;
    top: 50%;
    left: -1px;
    transform: translateY(-50%);
}

.resize-handle:hover .resize-handle-line {
    background: var(--accent-primary);
    height: 60px;
}

.resize-handle:active .resize-handle-line {
    background: var(--accent-primary);
    box-shadow: 0 0 8px var(--accent-primary-glow);
}

.notepad-panel {
    border-left: 1px solid var(--border-color);
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    min-width: 180px;
    overflow: hidden;
    max-width: 100%;
}

.notepad-header {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-color);
}

.notepad-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.notepad-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.notepad-save-status {
    font-size: 11px;
    color: var(--text-muted);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.notepad-save-status.saving {
    opacity: 1;
    color: var(--text-muted);
}

.notepad-save-status.saved {
    opacity: 1;
    color: var(--success-color, #4caf50);
}

.notepad-meta {
    font-size: 11px;
    color: var(--text-muted);
}

.notepad-input {
    flex: 1;
    width: 100%;
    border: none;
    background: transparent;
    color: var(--text-primary);
    padding: 14px;
    font-family: var(--font-mono);
    font-size: 12px;
    resize: none;
    outline: none;
    min-width: 0;
    overflow-x: hidden;
}

.notepad-input:disabled {
    color: var(--text-muted);
}

.terminal-grid {
    height: 100%;
    display: grid;
    gap: 12px;
    padding: 16px;
    min-height: 0;
    min-width: 0;
    width: 100%;
    overflow-x: hidden !important;
    overflow-y: hidden;
}

.terminal-grid.split-1 {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
}

.terminal-grid.split-2 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr;
}

.terminal-grid.split-4 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
}

.terminal-pane {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-tertiary);
    overflow: hidden;
    overflow-x: hidden !important;
    overflow-y: hidden;
    position: relative;
    display: flex;
    min-width: 0;
    min-height: 0;
    width: 100%;
    padding: 8px;
}

.terminal-pane .xterm {
    flex: 1;
}

.terminal-pane.active {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--accent-primary-glow);
}

.pane-empty {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 14px;
    padding: 24px;
    text-align: center;
}

.pane-empty-icon {
    font-size: 48px;
    opacity: 0.4;
    margin-bottom: 8px;
}

.pane-empty-text {
    color: var(--text-secondary);
    font-weight: 500;
}

.pane-empty button {
    padding: 10px 18px;
    margin-top: 8px;
}

.terminal-wrapper {
    display: block;
    width: 100%;
    height: 100%;
    padding: 0;
    animation: fadeIn 0.3s ease;
    position: relative;
    overflow: hidden;
    overflow-x: hidden !important;
    overflow-y: hidden;
    min-width: 0;
    max-width: 100%;
}

.terminal-wrapper.unassigned {
    display: none;
}

.xterm-char-measure-element,
.xterm .xterm-char-measure-element {
    position: absolute !important;
    visibility: hidden !important;
    opacity: 0 !important;
    left: -9999px !important;
    top: 0 !important;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.no-sessions {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
}

.no-sessions.hidden {
    display: none;
}

.no-sessions-content {
    text-align: center;
    animation: fadeIn 0.5s ease;
}

.no-sessions-content h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.no-sessions-content p {
    font-size: 15px;
    color: var(--text-secondary);
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    position: relative;
    overflow: hidden;
    white-space: nowrap; 
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--btn-primary-gradient-end) 100%);
    color: var(--btn-primary-text);
    box-shadow: 0 4px 12px var(--btn-primary-shadow);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--btn-primary-shadow-hover);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--error-color) 0%, var(--btn-danger-gradient-end) 100%);
    color: var(--btn-danger-text);
    box-shadow: 0 4px 12px var(--error-glow);
}

.btn-danger:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--error-glow);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid color-mix(in srgb, currentColor 30%, transparent);
    border-top-color: currentColor;
    border-radius: 50%;
    display: inline-block;
    margin-left: 8px;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.modal {
    display: none;
    position: fixed; 
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    z-index: 9000; 
    align-items: center;
    justify-content: center;
    animation: modalFadeIn 0.3s ease;
}

.modal.show {
    display: flex;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background: var(--bg-modal);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 90%;
    max-width: 650px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg), 0 0 40px var(--accent-primary-glow);
    animation: modalSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-small {
    max-width: 420px;
}

.palette-list,
.shortcuts-list {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 320px;
    overflow-y: auto;
}

.palette-item {
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    display: flex;
    justify-content: space-between;
    gap: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.palette-item.active,
.palette-item:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--accent-primary-glow);
}

.palette-item span {
    color: var(--text-secondary);
    font-size: 12px;
}

.shortcut-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    font-size: 13px;
}

.shortcut-row strong {
    color: var(--text-primary);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.modal-header h2,
.modal-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.close {
    font-size: 28px;
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
    transition: all 0.2s ease;
    padding: 4px;
    border-radius: 6px;
    user-select: none; 
}

.close:hover {
    color: var(--error-color);
    background: rgba(248, 81, 73, 0.1);
    transform: rotate(90deg);
}

.modal-body {
    padding: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-row .form-group {
    flex: 1;
}

.form-row .flex-1 {
    flex: 1;
}

.form-row .flex-2 {
    flex: 2;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.3px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-primary-glow);
    background: var(--bg-secondary);
    outline: none;
}

.form-control:hover:not(:focus) {
    border-color: var(--border-hover);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control.is-valid {
    border-color: rgba(61, 220, 132, 0.6);
    box-shadow: 0 0 0 2px rgba(61, 220, 132, 0.12);
}

.form-control.is-invalid {
    border-color: rgba(255, 107, 107, 0.7);
    box-shadow: 0 0 0 2px rgba(255, 107, 107, 0.12);
}

.field-hint {
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-muted);
    min-height: 16px;
}

.field-hint.hint-error {
    color: var(--error-color);
}

.field-hint.hint-success {
    color: var(--success-color);
}

.input-wrapper.with-toggle {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper.with-toggle .form-control {
    padding-right: 44px;
}

.password-toggle {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
}

.password-toggle.active {
    color: var(--accent-primary);
}

select.form-control {
    cursor: pointer;
}

textarea.form-control {
    font-family: var(--font-mono);
    resize: vertical;
    min-height: 120px;
}

.recent-connections-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    max-height: 80px;
    overflow-y: auto;
}

.recent-connection-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 13px;
}

.recent-connection-item:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
}

.recent-conn-label {
    color: var(--text-primary);
    font-weight: 500;
}

.recent-conn-time {
    color: var(--text-muted);
    font-size: 11px;
}

.auth-type-selector {
    display: flex;
    gap: 24px;
}

.radio-label,
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    padding: 8px 12px;
    border-radius: 6px;
    transition: background 0.2s ease;
}

.radio-label:hover,
.checkbox-label:hover {
    background: var(--bg-hover);
}

.radio-label input,
.checkbox-label input {
    cursor: pointer;
    accent-color: var(--accent-primary);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.hidden {
    display: none !important;
}

.key-upload-section,
.keys-list-section {
    margin-bottom: 32px;
}

.key-upload-section h3,
.keys-list-section h3,
.transfer-section h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
    padding-left: 12px;
    border-left: 3px solid var(--accent-primary);
}

.keys-list {
    max-height: 320px;
    overflow-y: auto;
}

.key-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.key-item:hover {
    border-color: var(--border-hover);
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.key-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.key-info strong {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.key-type,
.key-date {
    font-size: 12px;
    color: var(--text-secondary);
}

.key-type {
    display: inline-block;
    padding: 2px 8px;
    background: var(--accent-primary-glow);
    border-radius: 4px;
    color: var(--accent-primary);
    font-weight: 600;
}

.no-items {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px 20px;
    font-size: 14px;
}

.transfer-section {
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border-color);
}

.transfer-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.progress-container {
    margin-top: 16px;
}

.progress-bar {
    width: 100%;
    height: 28px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0%;
    box-shadow: 0 0 20px var(--accent-primary-glow);
}

.progress-text {
    text-align: center;
    margin-top: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.notification-container {
    position: fixed; 
    top: 24px;
    right: 24px;
    z-index: 11000; 
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none; 
}

.notification {
    pointer-events: auto; 
    padding: 16px 20px;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    max-width: 380px;
    font-size: 14px;
    font-weight: 500;
    animation: notificationSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.notification-info {
    background: var(--accent-primary);
    color: var(--accent-on-text);
    box-shadow: 0 4px 20px var(--accent-primary-glow);
}

.notification-success {
    background: linear-gradient(135deg, var(--success-color) 0%, color-mix(in srgb, var(--success-color) 80%, black) 100%);
    color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
    box-shadow: 0 4px 20px var(--success-glow);
}

.notification-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, color-mix(in srgb, var(--warning-color) 80%, black) 100%);
    color: #000;
    box-shadow: 0 4px 20px var(--warning-glow);
}

.notification-error {
    background: linear-gradient(135deg, var(--error-color) 0%, color-mix(in srgb, var(--error-color) 80%, black) 100%);
    color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
    box-shadow: 0 4px 20px var(--error-glow);
}

.notification.fade-out {
    animation: notificationSlideOut 0.3s ease;
}

@keyframes notificationSlideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes notificationSlideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: 6px;
    border: 2px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

button:focus-visible,
.btn:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.lang-option:focus-visible,
.theme-option:focus-visible {
    outline: none;
    box-shadow: inset 0 0 0 2px var(--accent-primary);
}

.btn:active:not(:disabled) {
    transform: translateY(1px) scale(0.98);
    transition: transform 0.1s;
}

.session-tab:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
    z-index: 10;
}

.fm-file-item:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: -2px;
}

.btn.loading {
    opacity: 0.7;
    pointer-events: none;
    position: relative;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
}

@keyframes spin {
    to { transform: translateY(-50%) rotate(360deg); }
}

@media (max-width: 768px) {

    .header {
        position: sticky;
        top: 0;
        padding: 12px 16px;
        padding-top: max(12px, env(safe-area-inset-top));
        overflow: visible;
        z-index: 1000;
    }

    .header-content {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        overflow: visible;
        margin-bottom: 8px;
    }

    .header-title-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .mobile-menu-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 44px;
        min-height: 44px;
        font-size: 20px;
    }

    .header-buttons {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        display: none;
        gap: 8px;
        padding-top: 12px;
        border-top: 1px solid var(--border-color);
        margin-top: 8px;
        overflow: visible;
    }

    .header-buttons.is-open {
        display: flex;
    }

    .header-buttons .btn {
        width: 100%;
        justify-content: center;
        min-height: 48px;
    }

    .theme-selector,
    .language-selector {
        width: 100%;
    }

    .theme-dropdown-header,
    .lang-dropdown-header {
        position: fixed;
        left: 16px;
        right: 16px;
        width: auto;
        max-height: 50vh;
        overflow-y: auto;
    }

    .session-tabs {
        padding: 8px 0;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        display: flex;
        gap: 6px;
    }

    .session-tabs::-webkit-scrollbar {
        display: none;
    }

    .session-tab {
        flex-shrink: 0;
        min-height: 40px;
    }

    .main-content {
        flex: 1;
        display: flex;
        flex-direction: column;
        min-height: 0;
        overflow: hidden;
    }

    .session-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        padding: 8px 12px;
    }

    .session-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .session-toolbar {
        display: none;
    }

    .mobile-input-bar {
        display: flex;
    }

    .split-controls {
        display: none;
    }

    .workspace {
        grid-template-columns: 1fr !important;
        grid-template-rows: 1fr auto;
        flex: 1;
        min-height: 0;
        overflow-y: auto;
        overflow-x: hidden;
    }

    .notepad-panel {
        display: flex;
        border-left: none;
        border-top: 1px solid var(--border-color);
        min-height: 200px;
        max-height: 300px;
    }

    .resize-handle {
        display: none;
    }

    .terminal-area {
        flex: 1;
        min-height: 300px;
        height: 100%;
    }

    .terminals-container {
        height: 100%;
    }

    .terminal-grid {
        padding: 8px;
        gap: 8px;
        height: 100%;
    }

    .terminal-grid.split-2,
    .terminal-grid.split-4 {
        grid-template-columns: 1fr !important;
        grid-template-rows: 1fr !important;
    }

    .terminal-grid.split-2 .terminal-pane:not(:first-child),
    .terminal-grid.split-4 .terminal-pane:not(:first-child) {
        display: none;
    }

    .terminal-pane {
        height: 100%;
        min-height: 250px;
    }

    .btn {
        min-height: 44px;
        padding: 10px 16px;
        font-size: 14px;
        touch-action: manipulation;
    }

    .toolbar-btn {
        min-width: 44px;
        min-height: 44px;
    }

    .modal-content {
        width: 95%;
        max-width: none;
        margin: 16px;
        max-height: calc(100vh - 32px);
        max-height: calc(100dvh - 32px);
        border-radius: 12px;
    }

    .form-row {
        flex-direction: column;
        gap: 12px;
    }

    .form-group {
        width: 100%;
    }

    .form-control {
        min-height: 44px;
        font-size: 16px; 
    }

    .app-title {
        font-size: 18px;
    }

    .notification {
        left: 16px;
        right: 16px;
        max-width: none;
        width: auto;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 8px 12px;
        padding-top: max(8px, env(safe-area-inset-top));
    }

    .app-title {
        font-size: 16px;
    }

    .btn {
        padding: 12px 14px;
        font-size: 13px;
        min-height: 44px;
    }

    .modal {
        padding: 8px;
    }

    .modal-content {
        width: 100%;
        margin: 0;
        border-radius: 12px 12px 0 0;
        max-height: calc(100vh - 16px);
        max-height: calc(100dvh - 16px);
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
    }

    .modal-header {
        padding: 16px;
    }

    .modal-body {
        padding: 16px;
        padding-bottom: max(16px, env(safe-area-inset-bottom));
    }

    .terminal-grid {
        padding: 4px;
        gap: 4px;
    }

    .xterm {
        padding: 4px;
        border-radius: 6px;
    }

    .session-tab {
        padding: 7px 12px;
        font-size: 12px;
        min-height: 36px;
    }

    .header-buttons .btn {
        padding: 8px 14px;
        font-size: 12px;
    }

    .form-control {
        padding: 12px;
        font-size: 16px;
    }

    .commands-grid {
        grid-template-columns: 1fr;
    }
}

body.keyboard-open:not(.notepad-focused) .notepad-panel {
    display: none;
}

body.keyboard-open .workspace {
    grid-template-rows: 1fr;
}

body.keyboard-open .header {
    display: none;
}

body.keyboard-open:not(.notepad-focused) .session-tabs,
body.keyboard-open:not(.notepad-focused) .session-info {
    display: none;
}

body.keyboard-open:not(.notepad-focused) .session-bar {
    padding: 4px 8px;
}

body.keyboard-open.notepad-focused .terminal-area {
    display: none;
}

body.keyboard-open.notepad-focused .resize-handle {
    display: none;
}

body.keyboard-open.notepad-focused .notepad-panel {
    width: 100% !important;
    max-width: 100% !important;
}

@media (pointer: coarse) {
    .btn,
    .session-tab,
    .toolbar-btn,
    .close,
    input[type="checkbox"],
    input[type="radio"],
    select {
        min-height: 44px;
    }

    .modal .close {
        width: 44px;
        height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 28px;
    }

    .tab-close,
    .tab-edit {
        min-width: 44px;
        min-height: 44px;
        padding: 12px;
    }

    .password-toggle {
        min-width: 44px;
        min-height: 44px;
        padding: 12px;
    }

    .form-group {
        margin-bottom: 16px;
    }

    select {
        appearance: none;
        -webkit-appearance: none;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%237d8590' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 12px center;
        padding-right: 36px;
    }
}

@media (max-width: 767px) and (orientation: landscape) {
    .header {
        padding: 8px 16px;
        padding-left: max(8px, env(safe-area-inset-left));
        padding-right: max(8px, env(safe-area-inset-right));
    }

    .header-content {
        flex-direction: row;
        align-items: center;
    }

    .header-buttons {
        flex-direction: row;
        flex-wrap: wrap;
        padding-top: 0;
        border-top: none;
        margin-top: 0;
    }

    .header-buttons .btn {
        width: auto;
    }

    .session-tabs {
        padding: 4px 0;
    }

    .terminal-area {
        min-height: 200px;
    }

    .modal-content {
        max-height: calc(100vh - 16px);
        max-height: calc(100dvh - 16px);
    }
}

@media (max-width: 359px) {
    .header {
        padding: 6px 8px;
    }

    .app-title {
        font-size: 14px;
    }

    .btn {
        padding: 8px 10px;
        font-size: 12px;
    }

    .session-tab {
        padding: 6px 8px;
        font-size: 11px;
    }

    .modal-header h2 {
        font-size: 16px;
    }
}

@supports (padding: env(safe-area-inset-top)) {
    @media (max-width: 767px) {
        .header {
            padding-left: max(16px, env(safe-area-inset-left));
            padding-right: max(16px, env(safe-area-inset-right));
        }

        .notification {
            left: max(16px, env(safe-area-inset-left));
            right: max(16px, env(safe-area-inset-right));
        }

        .main-content {
            padding-left: env(safe-area-inset-left);
            padding-right: env(safe-area-inset-right);
        }

        .session-bar {
            padding-left: max(16px, env(safe-area-inset-left));
            padding-right: max(16px, env(safe-area-inset-right));
        }

        .modal-body {
            padding-bottom: max(24px, env(safe-area-inset-bottom));
        }
    }
}

.xterm {
    height: 100%;
    padding: 8px;
    border-radius: 8px;
    overflow-x: hidden !important;
    max-width: 100%;
    width: 100%;
}

.xterm-viewport {
    overflow-y: scroll !important;
    overflow-x: hidden !important;
    scrollbar-width: thin;
    scrollbar-color: var(--border-hover) transparent;
    scrollbar-gutter: stable;
    -webkit-overflow-scrolling: touch;
}

.xterm-viewport::-webkit-scrollbar {
    width: 8px;
}

.xterm-viewport::-webkit-scrollbar-track {
    background: transparent;
}

.xterm-viewport::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 8px;
}

.xterm-viewport::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.loading {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.glow-text {
    text-shadow: 0 0 10px var(--accent-primary-glow);
}

.glass {
    background: var(--bg-modal);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
}

.lang-btn-header {
    min-width: 50px;
    padding: 8px 12px;
    position: relative; 
}

.theme-btn-header {
    min-width: 120px;
    padding: 8px 12px;
    position: relative; 
}

.theme-btn-header::after,
.lang-btn-header::after {
    content: '▼';
    font-size: 10px;
    margin-left: 6px;
    opacity: 0.6;
    transition: transform 0.2s ease;
}

.theme-selector:has(.theme-dropdown-header.show) .theme-btn-header::after,
.language-selector:has(.lang-dropdown-header.show) .lang-btn-header::after {
    transform: rotate(180deg);
}

.theme-selector,
.language-selector {
    position: relative;
    z-index: 10000; 
}

.lang-dropdown-header {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-modal);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 0, 0, 0.5); 
    overflow: visible; 
    min-width: 180px;
    z-index: 10001; 
    pointer-events: auto;
}

.theme-dropdown-header {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-modal);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 0, 0, 0.5); 
    overflow: visible; 
    min-width: 200px;
    z-index: 10001; 
    pointer-events: auto;
}

.lang-dropdown-header.show {
    display: block;
    animation: slideDown 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-dropdown-header.show {
    display: block;
    animation: slideDown 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.lang-dropdown-header .lang-option {
    padding: 12px 16px;
    cursor: pointer;
    transition: all 0.2s ease; 
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    user-select: none; 
    border-left: 3px solid transparent; 
}

.theme-dropdown-header .theme-option {
    padding: 12px 16px;
    cursor: pointer;
    transition: all 0.2s ease; 
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    user-select: none; 
    border-left: 3px solid transparent; 
}

.lang-dropdown-header .lang-option:hover {
    background: var(--bg-hover);
    border-left-color: var(--accent-primary); 
}

.theme-dropdown-header .theme-option:hover {
    background: var(--bg-hover);
    border-left-color: var(--accent-primary); 
}

.lang-dropdown-header .lang-option.active {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: var(--accent-on-text);
    border-left-color: var(--accent-on-text);
}

.theme-dropdown-header .theme-option.active {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: var(--accent-on-text);
    border-left-color: var(--accent-on-text);
}

.theme-color-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 10px;
    vertical-align: middle;
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.3), inset 0 1px 2px rgba(255, 255, 255, 0.3);
}

.theme-btn-header .theme-color-dot {
    width: 10px;
    height: 10px;
    margin-right: 8px;
}

.pane-assignment-info {
    margin-bottom: 20px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border-left: 3px solid var(--accent-primary);
}

.pane-assignment-info p {
    margin: 0;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.pane-assignment-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.pane-assignment-item {
    padding: 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.pane-assignment-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.pane-number {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-primary);
    color: var(--accent-on-text);
    border-radius: 6px;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.pane-assignment-header h4 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.pane-assignment-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pane-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pane-option:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
}

.pane-option.selected {
    border-color: var(--accent-primary);
    background: var(--accent-primary-glow);
}

.pane-option input[type="radio"] {
    cursor: pointer;
    accent-color: var(--accent-primary);
    flex-shrink: 0;
}

.pane-option-label {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
}

.pane-option-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pane-option-subtitle {
    font-size: 12px;
    color: var(--text-secondary);
}

.modal-large .modal-content {
    width: 95%;
    max-width: 1400px;
    height: 90vh;
    max-height: 900px;
}

.modal-large .modal-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow: hidden;
}

#filePreviewModal {
    z-index: 15000; 
}

.modal-xlarge .modal-content {
    width: 90%;
    max-width: 1200px;
    height: 85vh;
    max-height: 850px;
    display: flex;
    flex-direction: column;
}

.modal-xlarge .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.preview-header-info {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.preview-header-info h2 {
    margin: 0;
}

.preview-filename {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--accent-primary);
    background: var(--bg-tertiary);
    padding: 4px 10px;
    border-radius: 4px;
    max-width: 400px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.preview-size {
    font-size: 12px;
    color: var(--text-muted);
}

.preview-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-icon {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.btn-icon:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--accent-primary);
}

.btn-icon .material-icons {
    font-size: 20px;
}

.preview-modal-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    padding: 0 !important;
}

.preview-loading,
.preview-error,
.preview-binary {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 16px;
    color: var(--text-muted);
}

.preview-loading .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.preview-error {
    color: var(--danger-color, #f85149);
}

.preview-error .material-icons,
.preview-binary .material-icons {
    font-size: 48px;
    opacity: 0.6;
}

.preview-image {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 20px;
    overflow: auto;
    background: var(--bg-tertiary);
}

.preview-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.preview-content {
    display: flex;
    flex: 1;
    overflow: auto;
    background: var(--bg-tertiary);
    border-radius: 8px;
    margin: 16px;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.5;
}

.preview-line-numbers {
    padding: 16px 12px;
    background: rgba(0, 0, 0, 0.2);
    color: var(--text-muted);
    text-align: right;
    user-select: none;
    border-right: 1px solid var(--border-color);
    min-width: 50px;
}

.preview-content pre {
    flex: 1;
    margin: 0;
    padding: 16px;
    overflow: auto;
    background: transparent !important;
}

.preview-content code {
    font-family: var(--font-mono);
    font-size: 13px;
    background: transparent !important;
    padding: 0;
}

.preview-content .hljs {
    background: transparent !important;
    padding: 0;
}

.preview-truncated {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(255, 193, 7, 0.1);
    border-top: 1px solid rgba(255, 193, 7, 0.3);
    color: var(--warning-color, #ffc107);
    font-size: 12px;
}

.preview-truncated .material-icons {
    font-size: 18px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.command-toolbar {
    display: flex;
    gap: 12px;
    align-items: center;
}

.search-input {
    flex: 1;
    padding: 12px 16px;
    font-size: 15px;
}

.os-filter-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
    font-size: 14px;
}

.os-filter-toolbar > span {
    color: var(--text-secondary);
    font-weight: 600;
}

.os-filter-buttons {
    display: flex;
    gap: 6px;
    flex: 1;
}

.os-filter-btn {
    padding: 6px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.os-filter-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
}

.os-filter-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--accent-on-text);
}

.os-detected {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 13px;
}

.os-detected strong {
    color: var(--accent-primary);
}

.commands-table-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.commands-table-header {
    display: grid;
    grid-template-columns: 2fr 2fr 1.5fr 3fr 1fr;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
    font-weight: 700;
    font-size: 14px;
    color: var(--text-secondary);
}

.commands-table-body {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.command-row {
    display: grid;
    grid-template-columns: 2fr 2fr 1.5fr 3fr 1fr;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.command-row:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
    transform: translateX(4px);
}

.command-row.system-command {
    background: var(--bg-secondary);
    opacity: 0.9;
}

.command-cell {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 14px;
}

.command-name strong {
    color: var(--text-primary);
    font-size: 15px;
}

.command-os-badges {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.os-badge {
    padding: 2px 8px;
    background: var(--accent-primary);
    color: var(--accent-on-text);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.command-text code,
.command-params code {
    background: var(--bg-tertiary);
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    color: var(--accent-secondary);
}

.command-desc {
    color: var(--text-secondary);
    font-size: 13px;
}

.command-actions {
    display: flex;
    gap: 4px;
    align-items: center;
}

.btn-icon {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    padding: 4px;
    opacity: 0.7;
    transition: all 0.2s ease;
}

.btn-icon:hover {
    opacity: 1;
    transform: scale(1.2);
}

.command-help {
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.command-help p {
    margin: 4px 0;
}

.command-help kbd {
    padding: 2px 6px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: monospace;
    font-size: 12px;
    color: var(--accent-primary);
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    cursor: pointer;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.no-items {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    font-size: 16px;
}

@media (max-width: 1200px) {
    .commands-table-header,
    .command-row {
        grid-template-columns: 1.5fr 1.5fr 1fr 2fr 0.8fr;
        font-size: 13px;
    }
}

@media (max-width: 900px) {
    .modal-large .modal-content {
        width: 98%;
        height: 95vh;
    }

    .commands-table-header,
    .command-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .command-cell {
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 8px;
    }

    .command-cell:last-child {
        border-bottom: none;
    }
}

.notepad-toggle-btn {
    position: absolute;
    top: 50%;
    left: -12px;
    transform: translateY(-50%);
    width: 24px;
    height: 48px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 6px 0 0 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    z-index: 10;
    transition: all 0.2s;
}

.notepad-toggle-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.notepad-panel.collapsed {
    width: 0 !important;
    min-width: 0 !important;
    overflow: hidden;
    padding: 0;
    border: none;
}

.workspace:has(.notepad-panel.collapsed) {
    grid-template-columns: 1fr 0px !important;
}

.notepad-panel.collapsed .notepad-toggle-btn {
    left: -24px;
}

.reconnect-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    background: var(--warning-color, #f3c969);
    color: #000;
    font-size: 13px;
    font-weight: 500;
    gap: 8px;
    z-index: 1000;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {

    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #1c2128;
    --bg-hover: #21262d;
    --bg-modal: rgba(22, 27, 34, 0.95);
    --bg-gradient: linear-gradient(135deg, #0d1117 0%, #1a1f2e 100%);

    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;

    --border-color: #30363d;
    --border-hover: #3d444d;

    --accent-primary: #58a6ff;
    --accent-primary-glow: rgba(88, 166, 255, 0.4);
    --accent-secondary: #bc8cff;
    --accent-tertiary: #56d364;

    --success-color: #3fb950;
    --success-glow: color-mix(in srgb, var(--success-color) 40%, transparent);
    --warning-color: #d29922;
    --warning-glow: color-mix(in srgb, var(--warning-color) 40%, transparent);
    --error-color: #f85149;
    --error-glow: color-mix(in srgb, var(--error-color) 40%, transparent);
    --info-color: #58a6ff;

    --btn-primary-gradient-end: #4078c0;
    --btn-primary-text: #ffffff;
    --btn-danger-gradient-end: #c93030;
    --btn-danger-text: #ffffff;
    --btn-primary-shadow: rgba(88, 166, 255, 0.3);
    --btn-primary-shadow-hover: rgba(88, 166, 255, 0.4);
    --accent-on-text: #ffffff; 

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--accent-primary-glow);

    --font-sans: "Sora", "Space Grotesk", "Syne", "Noto Sans", sans-serif;
    --font-mono: "IBM Plex Mono", "JetBrains Mono", "Source Code Pro", monospace;

    --term-background: #1c2128;
    --term-foreground: #e6edf3;
    --term-black: #484848;
    --term-red: #ff6b6b;
    --term-green: #4ec97a;
    --term-yellow: #e5c07b;
    --term-blue: #61afef;
    --term-magenta: #c678dd;
    --term-cyan: #56b6c2;
    --term-white: #dcdfe4;
    --term-bright-black: #636363;
    --term-bright-red: #ff8787;
    --term-bright-green: #7ee0a0;
    --term-bright-yellow: #ffd68a;
    --term-bright-blue: #82c8f5;
    --term-bright-magenta: #d9a0e8;
    --term-bright-cyan: #7ccbd4;
    --term-bright-white: #ffffff;

    --bg-active: rgba(88, 166, 255, 0.15);

    --touch-target-min: 44px;
    --font-size-mobile: 12px;
    --font-size-tablet: 13px;
    --font-size-desktop: 14px;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-gradient);
    color: var(--text-primary);
    overflow: hidden;
    overflow-x: hidden !important;
    height: 100vh;
    height: 100dvh; 
    display: flex;
    flex-direction: column;
    overscroll-behavior: none;
    width: 100vw;
    max-width: 100vw;
    position: relative;
}

html {
    overflow: hidden;
    overflow-x: hidden !important;
    overscroll-behavior: none;
    width: 100vw;
    max-width: 100vw;
}

@media (max-width: 767px) {
    html {
        overflow-y: auto;
        overflow-x: hidden;
        height: 100%;
    }

    body {
        overflow-y: auto;
        overflow-x: hidden;
        height: auto;
        min-height: 100vh;
        min-height: 100dvh;
        padding-bottom: env(safe-area-inset-bottom, 0);
    }
}

body[data-theme="retro"] {

    --bg-primary: #0d0a15;
    --bg-secondary: #151220;
    --bg-tertiary: #1d1a2c;
    --bg-hover: #28243d;
    --bg-modal: rgba(16, 12, 22, 0.97);
    --bg-gradient: radial-gradient(circle at 30% 15%, #3d2415 0%, #1f1534 30%, #0d0a15 60%, #080610 100%);
    --bg-active: rgba(255, 180, 84, 0.18);

    --text-primary: #fff4e8;
    --text-secondary: #d4bfa6;
    --text-muted: #8a7566;

    --border-color: #3a2f28;
    --border-hover: #54453a;

    --accent-primary: #ffb454;
    --accent-primary-glow: rgba(255, 180, 84, 0.4);
    --accent-secondary: #62b3ff;
    --accent-tertiary: #7bffb3;

    --success-color: #7bffb3;
    --warning-color: #ffd166;
    --error-color: #ff8875;

    --btn-primary-gradient-end: #d48a30;
    --btn-primary-text: #000000;
    --btn-primary-shadow: rgba(255, 180, 84, 0.35);
    --btn-primary-shadow-hover: rgba(255, 180, 84, 0.5);
    --btn-danger-gradient-end: #c94444;
    --btn-danger-text: #ffffff;
    --accent-on-text: #000000;

    --font-sans: "Syne", "Sora", "Space Grotesk", sans-serif;
    --font-mono: "Source Code Pro", "IBM Plex Mono", "JetBrains Mono", monospace;

    --term-background: #1d1a2c;
    --term-foreground: #fff4e8;
    --term-black: #2a2230;
    --term-red: #ff8875;
    --term-green: #8bffb8;
    --term-yellow: #ffd166;
    --term-blue: #75b8ff;
    --term-magenta: #ffb3d4;
    --term-cyan: #8ae8ff;
    --term-white: #f0e4d0;
    --term-bright-black: #4a3f4d;
    --term-bright-red: #ffab9a;
    --term-bright-green: #a8ffcc;
    --term-bright-yellow: #ffe599;
    --term-bright-blue: #99d1ff;
    --term-bright-magenta: #ffd1e8;
    --term-bright-cyan: #b3f0ff;
    --term-bright-white: #fffbf5;
}

body[data-theme="solar"] {

    --bg-primary: #0a0e18;
    --bg-secondary: #0f1524;
    --bg-tertiary: #151d30;
    --bg-hover: #1d2640;
    --bg-modal: rgba(12, 16, 28, 0.96);
    --bg-gradient: radial-gradient(circle at 85% 8%, #2a3d5a 0%, #1a2438 35%, #0a0e18 65%, #060810 100%);
    --bg-active: rgba(110, 168, 255, 0.16);

    --text-primary: #eef5ff;
    --text-secondary: #b8cdeb;
    --text-muted: #6a7d9a;

    --border-color: #283a52;
    --border-hover: #364b68;

    --accent-primary: #6ea8ff;
    --accent-primary-glow: rgba(110, 168, 255, 0.38);
    --accent-secondary: #ffd166;
    --accent-tertiary: #7ee0c4;

    --success-color: #7ee0c4;
    --warning-color: #ffd166;
    --error-color: #ff8875;

    --btn-primary-gradient-end: #4a80cc;
    --btn-primary-text: #ffffff;
    --btn-primary-shadow: rgba(110, 168, 255, 0.32);
    --btn-primary-shadow-hover: rgba(110, 168, 255, 0.48);
    --btn-danger-gradient-end: #c94444;
    --btn-danger-text: #ffffff;
    --accent-on-text: #ffffff;

    --font-sans: "Syne", "Sora", "Space Grotesk", sans-serif;
    --font-mono: "Source Code Pro", "IBM Plex Mono", "JetBrains Mono", monospace;

    --term-background: #151d30;
    --term-foreground: #eef5ff;
    --term-black: #2a3444;
    --term-red: #ff8875;
    --term-green: #7ee0c4;
    --term-yellow: #ffd166;
    --term-blue: #6ea8ff;
    --term-magenta: #d4a8ff;
    --term-cyan: #70d9ff;
    --term-white: #dce8f5;
    --term-bright-black: #475364;
    --term-bright-red: #ffab9a;
    --term-bright-green: #9fecd8;
    --term-bright-yellow: #ffe599;
    --term-bright-blue: #99c4ff;
    --term-bright-magenta: #e8c8ff;
    --term-bright-cyan: #a8ebff;
    --term-bright-white: #ffffff;
}

body[data-theme="paper"] {

    --bg-primary: #f8f4ec;
    --bg-secondary: #f2ede3;
    --bg-tertiary: #ebe4d8;
    --bg-hover: #e1d7c8;
    --bg-modal: rgba(248, 243, 234, 0.98);
    --bg-gradient: linear-gradient(150deg, #faf6ee 0%, #f0e8da 50%, #ebe2cf 100%);
    --bg-active: rgba(199, 125, 72, 0.14);

    --text-primary: #2d2621;
    --text-secondary: #5e554c;
    --text-muted: #8e847a;

    --border-color: #d4cbbf;
    --border-hover: #bdb2a3;

    --accent-primary: #c77d48;
    --accent-primary-glow: rgba(199, 125, 72, 0.28);
    --accent-secondary: #6a8caf;
    --accent-tertiary: #6aa84f;

    --success-color: #5b9a42;
    --warning-color: #c29316;
    --error-color: #c84638;

    --btn-primary-gradient-end: #a66338;
    --btn-primary-text: #ffffff;
    --btn-primary-shadow: rgba(199, 125, 72, 0.28);
    --btn-primary-shadow-hover: rgba(199, 125, 72, 0.4);
    --btn-danger-gradient-end: #a83c2e;
    --btn-danger-text: #ffffff;
    --accent-on-text: #ffffff;

    --shadow-sm: 0 1px 3px rgba(45, 38, 33, 0.08);
    --shadow-md: 0 4px 12px rgba(45, 38, 33, 0.1);
    --shadow-lg: 0 8px 24px rgba(45, 38, 33, 0.12);

    --font-sans: "Space Grotesk", "Sora", "Noto Sans", sans-serif;
    --font-mono: "JetBrains Mono", "IBM Plex Mono", "Source Code Pro", monospace;

    --term-background: #ebe4d8;
    --term-foreground: #2d2621;
    --term-black: #4a3f38;
    --term-red: #c84638;
    --term-green: #5b9a42;
    --term-yellow: #c29316;
    --term-blue: #5a7a9c;
    --term-magenta: #a8628a;
    --term-cyan: #4d9a8e;
    --term-white: #8e847a;
    --term-bright-black: #6e615a;
    --term-bright-red: #e55a4a;
    --term-bright-green: #72b854;
    --term-bright-yellow: #dbaa28;
    --term-bright-blue: #6a8caf;
    --term-bright-magenta: #c57aa6;
    --term-bright-cyan: #62b8aa;
    --term-bright-white: #2d2621;
}

body[data-theme="noir"] {

    --bg-primary: #06080d;
    --bg-secondary: #0c0f18;
    --bg-tertiary: #111620;
    --bg-hover: #18202e;
    --bg-modal: rgba(8, 10, 15, 0.97);
    --bg-gradient: linear-gradient(145deg, #06080d 0%, #0d1120 40%, #0a0e1a 100%);
    --bg-active: rgba(127, 145, 255, 0.15);

    --text-primary: #eff3fc;
    --text-secondary: #a8b2ca;
    --text-muted: #606b84;

    --border-color: #1c2840;
    --border-hover: #283a58;

    --accent-primary: #7f91ff;
    --accent-primary-glow: rgba(127, 145, 255, 0.38);
    --accent-secondary: #4de6c4;
    --accent-tertiary: #ff8fa3;

    --success-color: #4de6c4;
    --warning-color: #ffc769;
    --error-color: #ff8fa3;

    --btn-primary-gradient-end: #5a6acc;
    --btn-primary-text: #ffffff;
    --btn-primary-shadow: rgba(127, 145, 255, 0.35);
    --btn-primary-shadow-hover: rgba(127, 145, 255, 0.5);
    --btn-danger-gradient-end: #cc5a6a;
    --btn-danger-text: #ffffff;
    --accent-on-text: #ffffff;

    --font-sans: "Syne", "Sora", "Space Grotesk", sans-serif;
    --font-mono: "IBM Plex Mono", "JetBrains Mono", "Source Code Pro", monospace;

    --term-background: #111620;
    --term-foreground: #eff3fc;
    --term-black: #1c2433;
    --term-red: #ff8fa3;
    --term-green: #4de6c4;
    --term-yellow: #ffc769;
    --term-blue: #7f91ff;
    --term-magenta: #c792ff;
    --term-cyan: #70e0ff;
    --term-white: #d4dce8;
    --term-bright-black: #3e4a5f;
    --term-bright-red: #ffaab8;
    --term-bright-green: #70f0d4;
    --term-bright-yellow: #ffd999;
    --term-bright-blue: #a0b3ff;
    --term-bright-magenta: #deaeff;
    --term-bright-cyan: #a0f0ff;
    --term-bright-white: #ffffff;
}

body[data-theme="arctic-ice"] {

    --bg-primary: #0a1316;
    --bg-secondary: #0f1b20;
    --bg-tertiary: #14252c;
    --bg-hover: #1c3340;
    --bg-modal: rgba(10, 19, 24, 0.97);
    --bg-gradient: linear-gradient(160deg, #0a1316 0%, #0f2838 45%, #164e63 100%);
    --bg-active: rgba(6, 182, 212, 0.16);

    --text-primary: #ecf8fb;
    --text-secondary: #a8d4de;
    --text-muted: #649099;

    --border-color: #1e3b48;
    --border-hover: #2d5260;

    --accent-primary: #06b6d4;
    --accent-primary-glow: rgba(6, 182, 212, 0.38);
    --accent-secondary: #a78bfa;
    --accent-tertiary: #fde68a;

    --success-color: #4de6c4;
    --warning-color: #fde68a;
    --error-color: #ff8fa3;

    --btn-primary-gradient-end: #0891a8;
    --btn-primary-text: #ffffff;
    --btn-primary-shadow: rgba(6, 182, 212, 0.35);
    --btn-primary-shadow-hover: rgba(6, 182, 212, 0.5);
    --btn-danger-gradient-end: #cc5a6a;
    --btn-danger-text: #ffffff;
    --accent-on-text: #000000;

    --font-sans: "Syne", "Sora", "Space Grotesk", sans-serif;
    --font-mono: "IBM Plex Mono", "JetBrains Mono", "Source Code Pro", monospace;

    --term-background: #14252c;
    --term-foreground: #ecf8fb;
    --term-black: #1c2d36;
    --term-red: #ff99ad;
    --term-green: #4de6c4;
    --term-yellow: #f5dba8;
    --term-blue: #70d0ff;
    --term-magenta: #c0b0ff;
    --term-cyan: #06b6d4;
    --term-white: #d4e8ed;
    --term-bright-black: #3d5460;
    --term-bright-red: #ffb3c2;
    --term-bright-green: #70f0d4;
    --term-bright-yellow: #fde68a;
    --term-bright-blue: #a0e8ff;
    --term-bright-magenta: #dac8ff;
    --term-bright-cyan: #56d8f0;
    --term-bright-white: #ffffff;
}

body[data-theme="rose-gold"] {

    --bg-primary: #160a10;
    --bg-secondary: #200e18;
    --bg-tertiary: #2c1320;
    --bg-hover: #3d1a2c;
    --bg-modal: rgba(22, 10, 16, 0.97);
    --bg-gradient: linear-gradient(145deg, #160a10 0%, #2c1320 40%, #4a1d2b 100%);
    --bg-active: rgba(244, 63, 94, 0.18);

    --text-primary: #fff2f6;
    --text-secondary: #edbcc8;
    --text-muted: #b07888;

    --border-color: #4d2233;
    --border-hover: #662d42;

    --accent-primary: #f43f5e;
    --accent-primary-glow: rgba(244, 63, 94, 0.4);
    --accent-secondary: #fbbf24;
    --accent-tertiary: #5eead4;

    --success-color: #5eead4;
    --warning-color: #fbbf24;
    --error-color: #f87171;

    --btn-primary-gradient-end: #c4304a;
    --btn-primary-text: #ffffff;
    --btn-primary-shadow: rgba(244, 63, 94, 0.35);
    --btn-primary-shadow-hover: rgba(244, 63, 94, 0.52);
    --btn-danger-gradient-end: #a83028;
    --btn-danger-text: #ffffff;
    --accent-on-text: #ffffff;

    --font-sans: "Sora", "Syne", "Space Grotesk", sans-serif;
    --font-mono: "JetBrains Mono", "IBM Plex Mono", "Source Code Pro", monospace;

    --term-background: #2c1320;
    --term-foreground: #fff2f6;
    --term-black: #3a1f2b;
    --term-red: #ff6b81;
    --term-green: #5eead4;
    --term-yellow: #fbbf24;
    --term-blue: #ff8fa3;
    --term-magenta: #f49ac2;
    --term-cyan: #7ee0c4;
    --term-white: #f0d4dc;
    --term-bright-black: #5c3a48;
    --term-bright-red: #ff8fa3;
    --term-bright-green: #80ffe0;
    --term-bright-yellow: #ffd366;
    --term-bright-blue: #ffaab8;
    --term-bright-magenta: #ffb8d4;
    --term-bright-cyan: #a0f0dc;
    --term-bright-white: #ffffff;
}

body[data-theme="cyberpunk-neon"] {

    --bg-primary: #0d0815;
    --bg-secondary: #130e1e;
    --bg-tertiary: #1a1428;
    --bg-hover: #261c38;
    --bg-modal: rgba(13, 8, 21, 0.97);
    --bg-gradient: radial-gradient(circle at 15% 85%, #4a0f70 0%, #1f0d38 35%, #0d0815 65%, #080510 100%);
    --bg-active: rgba(217, 70, 239, 0.2);

    --text-primary: #fbf3ff;
    --text-secondary: #dcc0f0;
    --text-muted: #9a75b8;

    --border-color: #331c4c;
    --border-hover: #4a2868;

    --accent-primary: #d946ef;
    --accent-primary-glow: rgba(217, 70, 239, 0.5);
    --accent-secondary: #00e5ff;
    --accent-tertiary: #b8ff57;

    --success-color: #b8ff57;
    --warning-color: #ffba00;
    --error-color: #ff3366;

    --btn-primary-gradient-end: #a830c0;
    --btn-primary-text: #ffffff;
    --btn-primary-shadow: rgba(217, 70, 239, 0.4);
    --btn-primary-shadow-hover: rgba(217, 70, 239, 0.6);
    --btn-danger-gradient-end: #cc2850;
    --btn-danger-text: #ffffff;
    --accent-on-text: #000000;

    --font-sans: "Syne", "Space Grotesk", "Sora", sans-serif;
    --font-mono: "JetBrains Mono", "IBM Plex Mono", "Source Code Pro", monospace;

    --term-background: #1a1428;
    --term-foreground: #fbf3ff;
    --term-black: #2a1c38;
    --term-red: #ff3366;
    --term-green: #b8ff57;
    --term-yellow: #ffba00;
    --term-blue: #5588ff;
    --term-magenta: #d946ef;
    --term-cyan: #00e5ff;
    --term-white: #e8d4f5;
    --term-bright-black: #4d3a5f;
    --term-bright-red: #ff5580;
    --term-bright-green: #d4ff80;
    --term-bright-yellow: #ffd433;
    --term-bright-blue: #77a3ff;
    --term-bright-magenta: #f070ff;
    --term-bright-cyan: #33f5ff;
    --term-bright-white: #ffffff;
}

body[data-theme="emerald-matrix"] {

    --bg-primary: #050c0a;
    --bg-secondary: #081410;
    --bg-tertiary: #0b1c18;
    --bg-hover: #0f2a22;
    --bg-modal: rgba(5, 12, 10, 0.97);
    --bg-gradient: linear-gradient(155deg, #050c0a 0%, #0b1c18 45%, #065f46 100%);
    --bg-active: rgba(16, 185, 129, 0.18);

    --text-primary: #ebfff6;
    --text-secondary: #aeecd8;
    --text-muted: #62ac94;

    --border-color: #133a2c;
    --border-hover: #1d5240;

    --accent-primary: #10b981;
    --accent-primary-glow: rgba(16, 185, 129, 0.4);
    --accent-secondary: #f59e0b;
    --accent-tertiary: #06b6d4;

    --success-color: #4ade80;
    --warning-color: #f59e0b;
    --error-color: #ff6b6b;

    --btn-primary-gradient-end: #0a8f64;
    --btn-primary-text: #000000;
    --btn-primary-shadow: rgba(16, 185, 129, 0.35);
    --btn-primary-shadow-hover: rgba(16, 185, 129, 0.5);
    --btn-danger-gradient-end: #c94444;
    --btn-danger-text: #ffffff;
    --accent-on-text: #000000;

    --font-sans: "Space Grotesk", "Sora", "Syne", sans-serif;
    --font-mono: "Source Code Pro", "IBM Plex Mono", "JetBrains Mono", monospace;

    --term-background: #0b1c18;
    --term-foreground: #ebfff6;
    --term-black: #1a2a26;
    --term-red: #ff8875;
    --term-green: #10b981;
    --term-yellow: #f59e0b;
    --term-blue: #06b6d4;
    --term-magenta: #4de6c4;
    --term-cyan: #34d399;
    --term-white: #c4e8d4;
    --term-bright-black: #2d4a42;
    --term-bright-red: #ffab9a;
    --term-bright-green: #34d399;
    --term-bright-yellow: #fbbf24;
    --term-bright-blue: #56d8f0;
    --term-bright-magenta: #70f0d4;
    --term-bright-cyan: #6ee7b7;
    --term-bright-white: #ffffff;
}

body[data-theme="obsidian"] {

    --bg-primary: #000000;
    --bg-secondary: #0b0b0b;
    --bg-tertiary: #151515;
    --bg-hover: #202020;
    --bg-modal: rgba(0, 0, 0, 0.98);
    --bg-gradient: linear-gradient(145deg, #000000 0%, #0d0d0d 50%, #1a1a1a 100%);
    --bg-active: rgba(255, 255, 255, 0.12);

    --text-primary: #ffffff;
    --text-secondary: #b8b8b8;
    --text-muted: #757575;

    --border-color: #2d2d2d;
    --border-hover: #404040;

    --accent-primary: #ffffff;
    --accent-primary-glow: rgba(255, 255, 255, 0.28);
    --accent-secondary: #ef4444;
    --accent-tertiary: #f59e0b;

    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;

    --btn-primary-gradient-end: #c4c4c4;
    --btn-primary-text: #000000;
    --btn-primary-shadow: rgba(255, 255, 255, 0.18);
    --btn-primary-shadow-hover: rgba(255, 255, 255, 0.3);
    --btn-danger-gradient-end: #b82020;
    --btn-danger-text: #ffffff;
    --accent-on-text: #000000;

    --font-sans: "Space Grotesk", "Sora", "Noto Sans", sans-serif;
    --font-mono: "IBM Plex Mono", "JetBrains Mono", "Source Code Pro", monospace;

    --term-background: #000000;
    --term-foreground: #ffffff;
    --term-black: #1a1a1a;
    --term-red: #ff5555;
    --term-green: #10b981;
    --term-yellow: #f59e0b;
    --term-blue: #5588ff;
    --term-magenta: #d946ef;
    --term-cyan: #06b6d4;
    --term-white: #d0d0d0;
    --term-bright-black: #4d4d4d;
    --term-bright-red: #ff7777;
    --term-bright-green: #34d399;
    --term-bright-yellow: #fbbf24;
    --term-bright-blue: #77a3ff;
    --term-bright-magenta: #f070ff;
    --term-bright-cyan: #56d8f0;
    --term-bright-white: #ffffff;
}

.header {
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 16px;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 1000;
    overflow-x: visible; 
    overflow-y: visible; 
    width: 100%;
    max-width: 100vw;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    min-width: 0;
    max-width: 100%;
    overflow: visible;
}

.header-title-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-menu-btn {
    display: none;
    margin-left: 12px;
}

.app-title {
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    text-shadow: 0 0 30px var(--accent-primary-glow);
}

.header-buttons {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    row-gap: 8px;
    overflow: visible; 
    position: relative; 
}

.header-buttons.is-open {
    display: flex;
}

.session-tabs {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding-top: 10px;
    padding-bottom: 2px;
    max-width: 100%;
    min-width: 0;
}

.session-tabs::-webkit-scrollbar {
    height: 4px;
}

.session-tabs::-webkit-scrollbar-track {
    background: transparent;
}

.session-tabs::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 2px;
}

.session-tabs::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

.session-tab {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px 8px 0 0;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 3px solid transparent;
    position: relative;
}

.session-tab::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.session-tab:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.session-tab.active {
    background: var(--bg-primary);
    border-bottom-color: var(--bg-primary);
    box-shadow: 0 0 20px var(--accent-primary-glow);
}

.session-tab.disconnected {
    opacity: 0.65;
}

.session-tab.active::before {
    opacity: 1;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--warning-color);
    box-shadow: 0 0 8px rgba(243, 201, 105, 0.6);
}

.status-dot.connected {
    background: var(--success-color);
    box-shadow: 0 0 8px rgba(56, 217, 169, 0.6);
}

.status-dot.disconnected {
    background: var(--error-color);
    box-shadow: 0 0 8px rgba(255, 107, 107, 0.5);
}

.session-tab:has(.status-dot.connected) {
    border-left-color: var(--success-color, #3fb950);
}

.session-tab:has(.status-dot.disconnected) {
    border-left-color: var(--error-color, #f85149);
}

.status-dot.connecting {
    background: var(--warning-color);
    box-shadow: 0 0 8px rgba(243, 201, 105, 0.7);
}

.tab-label {
    font-size: 13px;
    font-weight: 500;
    user-select: none;
    color: var(--text-primary);
    cursor: default;
}

.tab-label:hover {
    cursor: text;
}

.tab-rename-input {
    background: var(--bg-primary);
    border: 1px solid var(--accent-primary);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    padding: 2px 6px;
    width: 120px;
    max-width: 200px;
    outline: none;
    box-shadow: 0 0 0 2px var(--accent-primary-glow);
}

.tab-rename-input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

.tab-edit {
    font-size: 14px;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
    user-select: none;
    opacity: 0.3;
    margin-left: auto;
}

.session-tab:hover .tab-edit {
    opacity: 1;
}

.tab-edit:hover {
    color: var(--accent-primary);
    background: var(--accent-primary-glow);
}

.tab-close {
    font-size: 16px;
    line-height: 1;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
    user-select: none; 
}

.tab-close:hover {
    color: var(--error-color);
    background: rgba(248, 81, 73, 0.1);
}

.main-content {
    flex: 1;
    overflow: hidden;
    overflow-x: hidden;
    position: relative;
    background: var(--bg-primary);
    z-index: 1; 
    display: flex;
    flex-direction: column;
    min-height: 0;
    width: 100%;
    max-width: 100vw;
    isolation: isolate; 
}

.session-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 6px 12px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    backdrop-filter: blur(12px);
    min-width: 0;
    flex-wrap: wrap;
    max-width: 100%;
    overflow-x: hidden;
}

.session-bar.hidden {
    display: none;
}

.session-toolbar {
    display: flex;
    gap: 8px;
    align-items: center;
}

.session-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.mobile-input-bar {
    display: none;
    align-items: center;
    gap: 6px;
    flex: 1;
    min-width: 0;
}

.mobile-input-bar input {
    flex: 1;
    min-width: 0;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-mono);
    outline: none;
    transition: border-color 0.2s;
}

.mobile-input-bar input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--accent-primary-glow);
}

.mobile-input-bar input::placeholder {
    color: var(--text-muted);
}

.mobile-send-btn {
    padding: 8px 12px !important;
    min-width: 40px;
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.mobile-send-btn .material-icons {
    font-size: 18px;
}

.split-controls {
    display: inline-flex;
    gap: 6px;
}

.split-btn {
    width: 34px;
    height: 34px;
    padding: 0;
    font-size: 13px;
    border-radius: 8px;
    color: var(--text-secondary);
}

.split-btn.active {
    color: var(--text-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--accent-primary-glow);
}

.toolbar-btn {
    min-width: 40px;
    width: 40px;
    height: 40px;
    padding: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.toolbar-btn::before {
    display: none;
}

.toolbar-btn:hover {
    color: var(--accent-primary);
    border-color: var(--border-hover);
}

.toolbar-icon {
    width: 18px;
    height: 18px;
    display: block;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}

.toolbar-btn:hover .toolbar-icon {
    stroke: currentColor;
}

.session-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.session-meta-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.session-meta-notes {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
    max-width: 520px;
    word-break: break-word;
    overflow: hidden;
}

.session-meta-notes.empty {
    color: var(--text-muted);
}

.drop-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 18, 26, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 30;
    border: 2px dashed var(--accent-primary);
}

.drop-overlay-content {
    text-align: center;
    padding: 24px 32px;
    border-radius: 16px;
    background: rgba(23, 27, 34, 0.9);
    box-shadow: var(--shadow-lg);
}

.drop-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.drop-subtitle {
    margin-top: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.session-overlay {
    position: absolute;
    inset: 0;
    background: rgba(12, 14, 20, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
}

.session-overlay.hidden {
    display: none;
}

.session-overlay-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 20px 24px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.session-overlay-card h3 {
    margin-bottom: 8px;
    font-size: 16px;
    color: var(--text-primary);
}

.session-overlay-card p {
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--text-secondary);
}

.terminals-container {
    width: 100%;
    height: 100%;
    position: relative;
    flex: 1;
    min-height: 0;
    min-width: 0;
    overflow: hidden;
    overflow-x: hidden !important;
    max-width: 100%;
}

.terminal-search-bar {
    position: absolute;
    top: 16px;
    right: 32px;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 6px 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.terminal-search-bar.hidden {
    display: none;
}

.terminal-search-bar input {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 13px;
    padding: 6px 10px;
    width: 200px;
    outline: none;
}

.terminal-search-bar input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--accent-primary-glow);
}

.terminal-search-bar .search-count {
    font-size: 12px;
    color: var(--text-muted);
    min-width: 70px;
    text-align: center;
}

.terminal-search-bar .search-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 12px;
    padding: 4px 8px;
    transition: all 0.15s ease;
}

.terminal-search-bar .search-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.terminal-search-bar .search-close {
    color: var(--text-muted);
}

.terminal-search-bar .search-close:hover {
    color: var(--danger-color, #f85149);
}

.workspace {
    flex: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--notepad-width, clamp(240px, 24vw, 320px));
    min-height: 0;
    overflow: hidden;
    overflow-x: hidden !important;
    width: 100%;
    max-width: 100vw;
    position: relative;
}

.terminal-area {
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    overflow-x: hidden !important;
    width: 100%;
}

.resize-handle {
    width: 0;
    cursor: col-resize;
    background: transparent;
    position: absolute;
    top: 0;
    bottom: 0;
    right: var(--notepad-width, clamp(240px, 24vw, 320px));
    user-select: none;
    z-index: 10;
    transition: background 0.2s ease;
    overflow: visible;
}

.resize-handle:hover {
    background: var(--accent-primary-glow);
}

.resize-handle:active {
    background: var(--accent-primary-glow);
}

.resize-handle::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: -6px;
    width: 12px;
    cursor: col-resize;
    background: transparent;
}

.resize-handle-line {
    width: 2px;
    height: 40px;
    background: var(--border-color);
    border-radius: 2px;
    transition: all 0.2s ease;
    position: absolute;
    top: 50%;
    left: -1px;
    transform: translateY(-50%);
}

.resize-handle:hover .resize-handle-line {
    background: var(--accent-primary);
    height: 60px;
}

.resize-handle:active .resize-handle-line {
    background: var(--accent-primary);
    box-shadow: 0 0 8px var(--accent-primary-glow);
}

.notepad-panel {
    border-left: 1px solid var(--border-color);
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    min-width: 180px;
    overflow: hidden;
    max-width: 100%;
}

.notepad-header {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-color);
}

.notepad-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.notepad-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.notepad-save-status {
    font-size: 11px;
    color: var(--text-muted);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.notepad-save-status.saving {
    opacity: 1;
    color: var(--text-muted);
}

.notepad-save-status.saved {
    opacity: 1;
    color: var(--success-color, #4caf50);
}

.notepad-meta {
    font-size: 11px;
    color: var(--text-muted);
}

.notepad-input {
    flex: 1;
    width: 100%;
    border: none;
    background: transparent;
    color: var(--text-primary);
    padding: 14px;
    font-family: var(--font-mono);
    font-size: 12px;
    resize: none;
    outline: none;
    min-width: 0;
    overflow-x: hidden;
}

.notepad-input:disabled {
    color: var(--text-muted);
}

.terminal-grid {
    height: 100%;
    display: grid;
    gap: 12px;
    padding: 16px;
    min-height: 0;
    min-width: 0;
    width: 100%;
    overflow-x: hidden !important;
    overflow-y: hidden;
}

.terminal-grid.split-1 {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
}

.terminal-grid.split-2 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr;
}

.terminal-grid.split-4 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
}

.terminal-pane {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-tertiary);
    overflow: hidden;
    overflow-x: hidden !important;
    overflow-y: hidden;
    position: relative;
    display: flex;
    min-width: 0;
    min-height: 0;
    width: 100%;
    padding: 8px;
}

.terminal-pane .xterm {
    flex: 1;
}

.terminal-pane.active {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--accent-primary-glow);
}

.pane-empty {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 14px;
    padding: 24px;
    text-align: center;
}

.pane-empty-icon {
    font-size: 48px;
    opacity: 0.4;
    margin-bottom: 8px;
}

.pane-empty-text {
    color: var(--text-secondary);
    font-weight: 500;
}

.pane-empty button {
    padding: 10px 18px;
    margin-top: 8px;
}

.terminal-wrapper {
    display: block;
    width: 100%;
    height: 100%;
    padding: 0;
    animation: fadeIn 0.3s ease;
    position: relative;
    overflow: hidden;
    overflow-x: hidden !important;
    overflow-y: hidden;
    min-width: 0;
    max-width: 100%;
}

.terminal-wrapper.unassigned {
    display: none;
}

.xterm-char-measure-element,
.xterm .xterm-char-measure-element {
    position: absolute !important;
    visibility: hidden !important;
    opacity: 0 !important;
    left: -9999px !important;
    top: 0 !important;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.no-sessions {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
}

.no-sessions.hidden {
    display: none;
}

.no-sessions-content {
    text-align: center;
    animation: fadeIn 0.5s ease;
}

.no-sessions-content h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.no-sessions-content p {
    font-size: 15px;
    color: var(--text-secondary);
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    position: relative;
    overflow: hidden;
    white-space: nowrap; 
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--btn-primary-gradient-end) 100%);
    color: var(--btn-primary-text);
    box-shadow: 0 4px 12px var(--btn-primary-shadow);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--btn-primary-shadow-hover);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--error-color) 0%, var(--btn-danger-gradient-end) 100%);
    color: var(--btn-danger-text);
    box-shadow: 0 4px 12px var(--error-glow);
}

.btn-danger:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--error-glow);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid color-mix(in srgb, currentColor 30%, transparent);
    border-top-color: currentColor;
    border-radius: 50%;
    display: inline-block;
    margin-left: 8px;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.modal {
    display: none;
    position: fixed; 
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    z-index: 9000; 
    align-items: center;
    justify-content: center;
    animation: modalFadeIn 0.3s ease;
}

.modal.show {
    display: flex;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background: var(--bg-modal);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 90%;
    max-width: 650px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg), 0 0 40px var(--accent-primary-glow);
    animation: modalSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-small {
    max-width: 420px;
}

.palette-list,
.shortcuts-list {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 320px;
    overflow-y: auto;
}

.palette-item {
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    display: flex;
    justify-content: space-between;
    gap: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.palette-item.active,
.palette-item:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--accent-primary-glow);
}

.palette-item span {
    color: var(--text-secondary);
    font-size: 12px;
}

.shortcut-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    font-size: 13px;
}

.shortcut-row strong {
    color: var(--text-primary);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.modal-header h2,
.modal-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.close {
    font-size: 28px;
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
    transition: all 0.2s ease;
    padding: 4px;
    border-radius: 6px;
    user-select: none; 
}

.close:hover {
    color: var(--error-color);
    background: rgba(248, 81, 73, 0.1);
    transform: rotate(90deg);
}

.modal-body {
    padding: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-row .form-group {
    flex: 1;
}

.form-row .flex-1 {
    flex: 1;
}

.form-row .flex-2 {
    flex: 2;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.3px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-primary-glow);
    background: var(--bg-secondary);
    outline: none;
}

.form-control:hover:not(:focus) {
    border-color: var(--border-hover);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control.is-valid {
    border-color: rgba(61, 220, 132, 0.6);
    box-shadow: 0 0 0 2px rgba(61, 220, 132, 0.12);
}

.form-control.is-invalid {
    border-color: rgba(255, 107, 107, 0.7);
    box-shadow: 0 0 0 2px rgba(255, 107, 107, 0.12);
}

.field-hint {
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-muted);
    min-height: 16px;
}

.field-hint.hint-error {
    color: var(--error-color);
}

.field-hint.hint-success {
    color: var(--success-color);
}

.input-wrapper.with-toggle {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper.with-toggle .form-control {
    padding-right: 44px;
}

.password-toggle {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
}

.password-toggle.active {
    color: var(--accent-primary);
}

select.form-control {
    cursor: pointer;
}

textarea.form-control {
    font-family: var(--font-mono);
    resize: vertical;
    min-height: 120px;
}

.recent-connections-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    max-height: 80px;
    overflow-y: auto;
}

.recent-connection-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 13px;
}

.recent-connection-item:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
}

.recent-conn-label {
    color: var(--text-primary);
    font-weight: 500;
}

.recent-conn-time {
    color: var(--text-muted);
    font-size: 11px;
}

.auth-type-selector {
    display: flex;
    gap: 24px;
}

.radio-label,
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    padding: 8px 12px;
    border-radius: 6px;
    transition: background 0.2s ease;
}

.radio-label:hover,
.checkbox-label:hover {
    background: var(--bg-hover);
}

.radio-label input,
.checkbox-label input {
    cursor: pointer;
    accent-color: var(--accent-primary);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.hidden {
    display: none !important;
}

.key-upload-section,
.keys-list-section {
    margin-bottom: 32px;
}

.key-upload-section h3,
.keys-list-section h3,
.transfer-section h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
    padding-left: 12px;
    border-left: 3px solid var(--accent-primary);
}

.keys-list {
    max-height: 320px;
    overflow-y: auto;
}

.key-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.key-item:hover {
    border-color: var(--border-hover);
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.key-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.key-info strong {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.key-type,
.key-date {
    font-size: 12px;
    color: var(--text-secondary);
}

.key-type {
    display: inline-block;
    padding: 2px 8px;
    background: var(--accent-primary-glow);
    border-radius: 4px;
    color: var(--accent-primary);
    font-weight: 600;
}

.no-items {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px 20px;
    font-size: 14px;
}

.transfer-section {
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border-color);
}

.transfer-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.progress-container {
    margin-top: 16px;
}

.progress-bar {
    width: 100%;
    height: 28px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0%;
    box-shadow: 0 0 20px var(--accent-primary-glow);
}

.progress-text {
    text-align: center;
    margin-top: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.notification-container {
    position: fixed; 
    top: 24px;
    right: 24px;
    z-index: 11000; 
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none; 
}

.notification {
    pointer-events: auto; 
    padding: 16px 20px;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    max-width: 380px;
    font-size: 14px;
    font-weight: 500;
    animation: notificationSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.notification-info {
    background: var(--accent-primary);
    color: var(--accent-on-text);
    box-shadow: 0 4px 20px var(--accent-primary-glow);
}

.notification-success {
    background: linear-gradient(135deg, var(--success-color) 0%, color-mix(in srgb, var(--success-color) 80%, black) 100%);
    color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
    box-shadow: 0 4px 20px var(--success-glow);
}

.notification-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, color-mix(in srgb, var(--warning-color) 80%, black) 100%);
    color: #000;
    box-shadow: 0 4px 20px var(--warning-glow);
}

.notification-error {
    background: linear-gradient(135deg, var(--error-color) 0%, color-mix(in srgb, var(--error-color) 80%, black) 100%);
    color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
    box-shadow: 0 4px 20px var(--error-glow);
}

.notification.fade-out {
    animation: notificationSlideOut 0.3s ease;
}

@keyframes notificationSlideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes notificationSlideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: 6px;
    border: 2px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

button:focus-visible,
.btn:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.lang-option:focus-visible,
.theme-option:focus-visible {
    outline: none;
    box-shadow: inset 0 0 0 2px var(--accent-primary);
}

.btn:active:not(:disabled) {
    transform: translateY(1px) scale(0.98);
    transition: transform 0.1s;
}

.session-tab:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
    z-index: 10;
}

.fm-file-item:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: -2px;
}

.btn.loading {
    opacity: 0.7;
    pointer-events: none;
    position: relative;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
}

@keyframes spin {
    to { transform: translateY(-50%) rotate(360deg); }
}

@media (max-width: 768px) {

    .header {
        position: sticky;
        top: 0;
        padding: 12px 16px;
        padding-top: max(12px, env(safe-area-inset-top));
        overflow: visible;
        z-index: 1000;
    }

    .header-content {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        overflow: visible;
        margin-bottom: 8px;
    }

    .header-title-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .mobile-menu-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 44px;
        min-height: 44px;
        font-size: 20px;
    }

    .header-buttons {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        display: none;
        gap: 8px;
        padding-top: 12px;
        border-top: 1px solid var(--border-color);
        margin-top: 8px;
        overflow: visible;
    }

    .header-buttons.is-open {
        display: flex;
    }

    .header-buttons .btn {
        width: 100%;
        justify-content: center;
        min-height: 48px;
    }

    .theme-selector,
    .language-selector {
        width: 100%;
    }

    .theme-dropdown-header,
    .lang-dropdown-header {
        position: fixed;
        left: 16px;
        right: 16px;
        width: auto;
        max-height: 50vh;
        overflow-y: auto;
    }

    .session-tabs {
        padding: 8px 0;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        display: flex;
        gap: 6px;
    }

    .session-tabs::-webkit-scrollbar {
        display: none;
    }

    .session-tab {
        flex-shrink: 0;
        min-height: 40px;
    }

    .main-content {
        flex: 1;
        display: flex;
        flex-direction: column;
        min-height: 0;
        overflow: hidden;
    }

    .session-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        padding: 8px 12px;
    }

    .session-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .session-toolbar {
        display: none;
    }

    .mobile-input-bar {
        display: flex;
    }

    .split-controls {
        display: none;
    }

    .workspace {
        grid-template-columns: 1fr !important;
        grid-template-rows: 1fr auto;
        flex: 1;
        min-height: 0;
        overflow-y: auto;
        overflow-x: hidden;
    }

    .notepad-panel {
        display: flex;
        border-left: none;
        border-top: 1px solid var(--border-color);
        min-height: 200px;
        max-height: 300px;
    }

    .resize-handle {
        display: none;
    }

    .terminal-area {
        flex: 1;
        min-height: 300px;
        height: 100%;
    }

    .terminals-container {
        height: 100%;
    }

    .terminal-grid {
        padding: 8px;
        gap: 8px;
        height: 100%;
    }

    .terminal-grid.split-2,
    .terminal-grid.split-4 {
        grid-template-columns: 1fr !important;
        grid-template-rows: 1fr !important;
    }

    .terminal-grid.split-2 .terminal-pane:not(:first-child),
    .terminal-grid.split-4 .terminal-pane:not(:first-child) {
        display: none;
    }

    .terminal-pane {
        height: 100%;
        min-height: 250px;
    }

    .btn {
        min-height: 44px;
        padding: 10px 16px;
        font-size: 14px;
        touch-action: manipulation;
    }

    .toolbar-btn {
        min-width: 44px;
        min-height: 44px;
    }

    .modal-content {
        width: 95%;
        max-width: none;
        margin: 16px;
        max-height: calc(100vh - 32px);
        max-height: calc(100dvh - 32px);
        border-radius: 12px;
    }

    .form-row {
        flex-direction: column;
        gap: 12px;
    }

    .form-group {
        width: 100%;
    }

    .form-control {
        min-height: 44px;
        font-size: 16px; 
    }

    .app-title {
        font-size: 18px;
    }

    .notification {
        left: 16px;
        right: 16px;
        max-width: none;
        width: auto;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 8px 12px;
        padding-top: max(8px, env(safe-area-inset-top));
    }

    .app-title {
        font-size: 16px;
    }

    .btn {
        padding: 12px 14px;
        font-size: 13px;
        min-height: 44px;
    }

    .modal {
        padding: 8px;
    }

    .modal-content {
        width: 100%;
        margin: 0;
        border-radius: 12px 12px 0 0;
        max-height: calc(100vh - 16px);
        max-height: calc(100dvh - 16px);
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
    }

    .modal-header {
        padding: 16px;
    }

    .modal-body {
        padding: 16px;
        padding-bottom: max(16px, env(safe-area-inset-bottom));
    }

    .terminal-grid {
        padding: 4px;
        gap: 4px;
    }

    .xterm {
        padding: 4px;
        border-radius: 6px;
    }

    .session-tab {
        padding: 7px 12px;
        font-size: 12px;
        min-height: 36px;
    }

    .header-buttons .btn {
        padding: 8px 14px;
        font-size: 12px;
    }

    .form-control {
        padding: 12px;
        font-size: 16px;
    }

    .commands-grid {
        grid-template-columns: 1fr;
    }
}

body.keyboard-open:not(.notepad-focused) .notepad-panel {
    display: none;
}

body.keyboard-open .workspace {
    grid-template-rows: 1fr;
}

body.keyboard-open .header {
    display: none;
}

body.keyboard-open:not(.notepad-focused) .session-tabs,
body.keyboard-open:not(.notepad-focused) .session-info {
    display: none;
}

body.keyboard-open:not(.notepad-focused) .session-bar {
    padding: 4px 8px;
}

body.keyboard-open.notepad-focused .terminal-area {
    display: none;
}

body.keyboard-open.notepad-focused .resize-handle {
    display: none;
}

body.keyboard-open.notepad-focused .notepad-panel {
    width: 100% !important;
    max-width: 100% !important;
}

@media (pointer: coarse) {
    .btn,
    .session-tab,
    .toolbar-btn,
    .close,
    input[type="checkbox"],
    input[type="radio"],
    select {
        min-height: 44px;
    }

    .modal .close {
        width: 44px;
        height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 28px;
    }

    .tab-close,
    .tab-edit {
        min-width: 44px;
        min-height: 44px;
        padding: 12px;
    }

    .password-toggle {
        min-width: 44px;
        min-height: 44px;
        padding: 12px;
    }

    .form-group {
        margin-bottom: 16px;
    }

    select {
        appearance: none;
        -webkit-appearance: none;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%237d8590' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 12px center;
        padding-right: 36px;
    }
}

@media (max-width: 767px) and (orientation: landscape) {
    .header {
        padding: 8px 16px;
        padding-left: max(8px, env(safe-area-inset-left));
        padding-right: max(8px, env(safe-area-inset-right));
    }

    .header-content {
        flex-direction: row;
        align-items: center;
    }

    .header-buttons {
        flex-direction: row;
        flex-wrap: wrap;
        padding-top: 0;
        border-top: none;
        margin-top: 0;
    }

    .header-buttons .btn {
        width: auto;
    }

    .session-tabs {
        padding: 4px 0;
    }

    .terminal-area {
        min-height: 200px;
    }

    .modal-content {
        max-height: calc(100vh - 16px);
        max-height: calc(100dvh - 16px);
    }
}

@media (max-width: 359px) {
    .header {
        padding: 6px 8px;
    }

    .app-title {
        font-size: 14px;
    }

    .btn {
        padding: 8px 10px;
        font-size: 12px;
    }

    .session-tab {
        padding: 6px 8px;
        font-size: 11px;
    }

    .modal-header h2 {
        font-size: 16px;
    }
}

@supports (padding: env(safe-area-inset-top)) {
    @media (max-width: 767px) {
        .header {
            padding-left: max(16px, env(safe-area-inset-left));
            padding-right: max(16px, env(safe-area-inset-right));
        }

        .notification {
            left: max(16px, env(safe-area-inset-left));
            right: max(16px, env(safe-area-inset-right));
        }

        .main-content {
            padding-left: env(safe-area-inset-left);
            padding-right: env(safe-area-inset-right);
        }

        .session-bar {
            padding-left: max(16px, env(safe-area-inset-left));
            padding-right: max(16px, env(safe-area-inset-right));
        }

        .modal-body {
            padding-bottom: max(24px, env(safe-area-inset-bottom));
        }
    }
}

.xterm {
    height: 100%;
    padding: 8px;
    border-radius: 8px;
    overflow-x: hidden !important;
    max-width: 100%;
    width: 100%;
}

.xterm-viewport {
    overflow-y: scroll !important;
    overflow-x: hidden !important;
    scrollbar-width: thin;
    scrollbar-color: var(--border-hover) transparent;
    scrollbar-gutter: stable;
    -webkit-overflow-scrolling: touch;
}

.xterm-viewport::-webkit-scrollbar {
    width: 8px;
}

.xterm-viewport::-webkit-scrollbar-track {
    background: transparent;
}

.xterm-viewport::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 8px;
}

.xterm-viewport::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.loading {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.glow-text {
    text-shadow: 0 0 10px var(--accent-primary-glow);
}

.glass {
    background: var(--bg-modal);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
}

.lang-btn-header {
    min-width: 50px;
    padding: 8px 12px;
    position: relative; 
}

.theme-btn-header {
    min-width: 120px;
    padding: 8px 12px;
    position: relative; 
}

.theme-btn-header::after,
.lang-btn-header::after {
    content: '▼';
    font-size: 10px;
    margin-left: 6px;
    opacity: 0.6;
    transition: transform 0.2s ease;
}

.theme-selector:has(.theme-dropdown-header.show) .theme-btn-header::after,
.language-selector:has(.lang-dropdown-header.show) .lang-btn-header::after {
    transform: rotate(180deg);
}

.theme-selector,
.language-selector {
    position: relative;
    z-index: 10000; 
}

.lang-dropdown-header {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-modal);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 0, 0, 0.5); 
    overflow: visible; 
    min-width: 180px;
    z-index: 10001; 
    pointer-events: auto;
}

.theme-dropdown-header {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-modal);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 0, 0, 0.5); 
    overflow: visible; 
    min-width: 200px;
    z-index: 10001; 
    pointer-events: auto;
}

.lang-dropdown-header.show {
    display: block;
    animation: slideDown 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-dropdown-header.show {
    display: block;
    animation: slideDown 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.lang-dropdown-header .lang-option {
    padding: 12px 16px;
    cursor: pointer;
    transition: all 0.2s ease; 
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    user-select: none; 
    border-left: 3px solid transparent; 
}

.theme-dropdown-header .theme-option {
    padding: 12px 16px;
    cursor: pointer;
    transition: all 0.2s ease; 
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    user-select: none; 
    border-left: 3px solid transparent; 
}

.lang-dropdown-header .lang-option:hover {
    background: var(--bg-hover);
    border-left-color: var(--accent-primary); 
}

.theme-dropdown-header .theme-option:hover {
    background: var(--bg-hover);
    border-left-color: var(--accent-primary); 
}

.lang-dropdown-header .lang-option.active {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: var(--accent-on-text);
    border-left-color: var(--accent-on-text);
}

.theme-dropdown-header .theme-option.active {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: var(--accent-on-text);
    border-left-color: var(--accent-on-text);
}

.theme-color-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 10px;
    vertical-align: middle;
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.3), inset 0 1px 2px rgba(255, 255, 255, 0.3);
}

.theme-btn-header .theme-color-dot {
    width: 10px;
    height: 10px;
    margin-right: 8px;
}

.pane-assignment-info {
    margin-bottom: 20px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border-left: 3px solid var(--accent-primary);
}

.pane-assignment-info p {
    margin: 0;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.pane-assignment-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.pane-assignment-item {
    padding: 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.pane-assignment-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.pane-number {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-primary);
    color: var(--accent-on-text);
    border-radius: 6px;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.pane-assignment-header h4 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.pane-assignment-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pane-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pane-option:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
}

.pane-option.selected {
    border-color: var(--accent-primary);
    background: var(--accent-primary-glow);
}

.pane-option input[type="radio"] {
    cursor: pointer;
    accent-color: var(--accent-primary);
    flex-shrink: 0;
}

.pane-option-label {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
}

.pane-option-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pane-option-subtitle {
    font-size: 12px;
    color: var(--text-secondary);
}

.modal-large .modal-content {
    width: 95%;
    max-width: 1400px;
    height: 90vh;
    max-height: 900px;
}

.modal-large .modal-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow: hidden;
}

#filePreviewModal {
    z-index: 15000; 
}

.modal-xlarge .modal-content {
    width: 90%;
    max-width: 1200px;
    height: 85vh;
    max-height: 850px;
    display: flex;
    flex-direction: column;
}

.modal-xlarge .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.preview-header-info {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.preview-header-info h2 {
    margin: 0;
}

.preview-filename {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--accent-primary);
    background: var(--bg-tertiary);
    padding: 4px 10px;
    border-radius: 4px;
    max-width: 400px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.preview-size {
    font-size: 12px;
    color: var(--text-muted);
}

.preview-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-icon {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.btn-icon:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--accent-primary);
}

.btn-icon .material-icons {
    font-size: 20px;
}

.preview-modal-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    padding: 0 !important;
}

.preview-loading,
.preview-error,
.preview-binary {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 16px;
    color: var(--text-muted);
}

.preview-loading .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.preview-error {
    color: var(--danger-color, #f85149);
}

.preview-error .material-icons,
.preview-binary .material-icons {
    font-size: 48px;
    opacity: 0.6;
}

.preview-image {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 20px;
    overflow: auto;
    background: var(--bg-tertiary);
}

.preview-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.preview-content {
    display: flex;
    flex: 1;
    overflow: auto;
    background: var(--bg-tertiary);
    border-radius: 8px;
    margin: 16px;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.5;
}

.preview-line-numbers {
    padding: 16px 12px;
    background: rgba(0, 0, 0, 0.2);
    color: var(--text-muted);
    text-align: right;
    user-select: none;
    border-right: 1px solid var(--border-color);
    min-width: 50px;
}

.preview-content pre {
    flex: 1;
    margin: 0;
    padding: 16px;
    overflow: auto;
    background: transparent !important;
}

.preview-content code {
    font-family: var(--font-mono);
    font-size: 13px;
    background: transparent !important;
    padding: 0;
}

.preview-content .hljs {
    background: transparent !important;
    padding: 0;
}

.preview-truncated {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(255, 193, 7, 0.1);
    border-top: 1px solid rgba(255, 193, 7, 0.3);
    color: var(--warning-color, #ffc107);
    font-size: 12px;
}

.preview-truncated .material-icons {
    font-size: 18px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.command-toolbar {
    display: flex;
    gap: 12px;
    align-items: center;
}

.search-input {
    flex: 1;
    padding: 12px 16px;
    font-size: 15px;
}

.os-filter-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
    font-size: 14px;
}

.os-filter-toolbar > span {
    color: var(--text-secondary);
    font-weight: 600;
}

.os-filter-buttons {
    display: flex;
    gap: 6px;
    flex: 1;
}

.os-filter-btn {
    padding: 6px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.os-filter-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
}

.os-filter-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--accent-on-text);
}

.os-detected {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 13px;
}

.os-detected strong {
    color: var(--accent-primary);
}

.commands-table-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.commands-table-header {
    display: grid;
    grid-template-columns: 2fr 2fr 1.5fr 3fr 1fr;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
    font-weight: 700;
    font-size: 14px;
    color: var(--text-secondary);
}

.commands-table-body {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.command-row {
    display: grid;
    grid-template-columns: 2fr 2fr 1.5fr 3fr 1fr;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.command-row:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
    transform: translateX(4px);
}

.command-row.system-command {
    background: var(--bg-secondary);
    opacity: 0.9;
}

.command-cell {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 14px;
}

.command-name strong {
    color: var(--text-primary);
    font-size: 15px;
}

.command-os-badges {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.os-badge {
    padding: 2px 8px;
    background: var(--accent-primary);
    color: var(--accent-on-text);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.command-text code,
.command-params code {
    background: var(--bg-tertiary);
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    color: var(--accent-secondary);
}

.command-desc {
    color: var(--text-secondary);
    font-size: 13px;
}

.command-actions {
    display: flex;
    gap: 4px;
    align-items: center;
}

.btn-icon {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    padding: 4px;
    opacity: 0.7;
    transition: all 0.2s ease;
}

.btn-icon:hover {
    opacity: 1;
    transform: scale(1.2);
}

.command-help {
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.command-help p {
    margin: 4px 0;
}

.command-help kbd {
    padding: 2px 6px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: monospace;
    font-size: 12px;
    color: var(--accent-primary);
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    cursor: pointer;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.no-items {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    font-size: 16px;
}

@media (max-width: 1200px) {
    .commands-table-header,
    .command-row {
        grid-template-columns: 1.5fr 1.5fr 1fr 2fr 0.8fr;
        font-size: 13px;
    }
}

@media (max-width: 900px) {
    .modal-large .modal-content {
        width: 98%;
        height: 95vh;
    }

    .commands-table-header,
    .command-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .command-cell {
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 8px;
    }

    .command-cell:last-child {
        border-bottom: none;
    }
}

.notepad-toggle-btn {
    position: absolute;
    top: 50%;
    left: -12px;
    transform: translateY(-50%);
    width: 24px;
    height: 48px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 6px 0 0 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    z-index: 10;
    transition: all 0.2s;
}

.notepad-toggle-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.notepad-panel.collapsed {
    width: 0 !important;
    min-width: 0 !important;
    overflow: hidden;
    padding: 0;
    border: none;
}

.workspace:has(.notepad-panel.collapsed) {
    grid-template-columns: 1fr 0px !important;
}

.notepad-panel.collapsed .notepad-toggle-btn {
    left: -24px;
}

.reconnect-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    background: var(--warning-color, #f3c969);
    color: #000;
    font-size: 13px;
    font-weight: 500;
    gap: 8px;
    z-index: 1000;
}
\n
/* Fix for language and theme dropdown visibility */
.lang-dropdown-header, .theme-dropdown-header {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 10px;
    background: var(--bg-modal);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    min-width: 200px;
    z-index: 99999;
    overflow: hidden;
}

.lang-dropdown-header.show, .theme-dropdown-header.show {
    display: block !important;
}

.language-selector, .theme-selector {
    position: relative;
    z-index: 100000;
}

/* Claude AI Theme - Elegant, Warm & Minimal */
body[data-theme="claude"] {
    --bg-primary: #f9f8f6;
    --bg-secondary: #f0ede9;
    --bg-tertiary: #e5e1dc;
    --bg-hover: #d9d4cf;
    --bg-modal: rgba(249, 248, 246, 0.98);
    --bg-gradient: linear-gradient(180deg, #f9f8f6 0%, #f0ede9 100%);
    --bg-active: rgba(217, 119, 87, 0.1);

    --text-primary: #1d1d1b;
    --text-secondary: #6b6964;
    --text-muted: #92908c;

    --border-color: #e5e1dc;
    --border-hover: #d9d4cf;

    --accent-primary: #d97757; /* Claude's signature terracotta */
    --accent-primary-glow: rgba(217, 119, 87, 0.2);
    --accent-secondary: #4b4a45;
    --accent-tertiary: #7c7a74;

    --success-color: #248a3d;
    --warning-color: #b35900;
    --error-color: #cc2424;

    --btn-primary-gradient-end: #c46648;
    --btn-primary-text: #ffffff;
    --btn-primary-shadow: rgba(217, 119, 87, 0.2);
    --btn-primary-shadow-hover: rgba(217, 119, 87, 0.3);
    --btn-danger-gradient-end: #b32020;
    --btn-danger-text: #ffffff;
    --accent-on-text: #ffffff;

    --font-sans: "Inter", "Segoe UI", "Noto Sans SC", sans-serif;
    --font-mono: "Fira Code", "Source Code Pro", "Cascadia Code", monospace;

    --term-background: #ffffff;
    --term-foreground: #1d1d1b;
    --term-black: #1d1d1b;
    --term-red: #cc2424;
    --term-green: #248a3d;
    --term-yellow: #b35900;
    --term-blue: #2458cc;
    --term-magenta: #a024cc;
    --term-cyan: #24a0cc;
    --term-white: #f9f8f6;
    --term-bright-black: #6b6964;
    --term-bright-red: #ff4d4d;
    --term-bright-green: #33cc66;
    --term-bright-yellow: #ff9900;
    --term-bright-blue: #4d88ff;
    --term-bright-magenta: #cc4dff;
    --term-bright-cyan: #4ddbff;
    --term-bright-white: #ffffff;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

/* Claude Theme specific adjustments */
body[data-theme="claude"] .header {
    background: #ffffff;
    border-bottom: 1px solid #e5e1dc;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}

body[data-theme="claude"] .terminal-container {
    background: #ffffff;
    border: 1px solid #e5e1dc;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    border-radius: 12px;
}

body[data-theme="claude"] .btn-secondary {
    background: #ffffff;
    color: #1d1d1b;
    border: 1px solid #e5e1dc;
}

body[data-theme="claude"] .btn-secondary:hover {
    background: #f0ede9;
    border-color: #d9d4cf;
}
\n/* Scroll fix */\n
.theme-dropdown-header {
    max-height: 400px;
    overflow-y: auto;
    scrollbar-width: thin;
}
.theme-dropdown-header::-webkit-scrollbar {
    width: 6px;
}
.theme-dropdown-header::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}