/* ═══════════════════════════════════════════════════════════════
   Computer — Theme Engine + Retro UI System
   ═══════════════════════════════════════════════════════════════ */

/* ── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* ═══════════════════════════════════════════════════════════════
   THEME ENGINE — CSS Custom Properties
   Each theme overrides these variables.
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* Layout */
  --titlebar-h: 28px;
  --left-width: 42%;
  --input-ratio: 45%;    /* top-left gets this % of left column */

  /* Timing */
  --transition-fast: 0.15s;
}

/* ═══════════════════════════════════════════════════════════════
   THEME: Amiga Workbench 1.3
   ═══════════════════════════════════════════════════════════════ */

.theme-amiga {
  /* Amiga's legendary 4-color palette */
  --bg:             #0055aa;   /* Workbench blue */
  --bg-pattern:     repeating-conic-gradient(#0055aa 0% 25%, #004488 0% 50%) 0 0 / 4px 4px;
  --surface:        #aaaaaa;   /* Window body grey */
  --surface-alt:    #ffffff;   /* White for content areas */
  --chrome:         #aaaaaa;   /* Window chrome */
  --chrome-hi:      #ffffff;   /* Bevel highlight (top/left) */
  --chrome-lo:      #555555;   /* Bevel shadow (bottom/right) */
  --chrome-dark:    #000000;   /* Darkest edge */
  --titlebar-bg:    #0055aa;   /* Title bar blue */
  --titlebar-fg:    #ffffff;   /* Title bar text */
  --titlebar-stripe: repeating-linear-gradient(
    90deg,
    #ff8800 0px, #ff8800 2px,
    #0055aa 2px, #0055aa 4px
  );
  --text:           #000000;
  --text-dim:       #555555;
  --text-inv:       #ffffff;
  --accent:         #ff8800;   /* Amiga orange */
  --accent-alt:     #0055aa;   /* Blue accent */
  --input-bg:       #ffffff;
  --input-border:   #000000;
  --btn-bg:         #aaaaaa;
  --btn-fg:         #000000;
  --btn-active:     #0055aa;
  --log-bg:         #000022;   /* Dark blue terminal */
  --log-text:       #ff8800;   /* Orange on dark blue */
  --log-dim:        #7799bb;
  --led-on:         #00cc00;
  --led-off:        #333333;
  --scrollbar-track: #aaaaaa;
  --scrollbar-thumb: #555555;

  /* Typography — Share Tech Mono closely matches Amiga's iconic Topaz bitmap font */
  --font:           "Share Tech Mono", "Courier New", "Lucida Console", monospace;
  --font-size:      14px;
  --font-weight:    400;
  --line-height:    1.4;
  --font-title:     var(--font);
  --font-title-size: 13px;

  /* Borders */
  --bevel:          2px;
  --radius:         0px;       /* Amiga has no rounded corners */

  /* Window decorations */
  --win-close-w:    20px;
  --win-depth-w:    20px;
  --win-gadget-h:   16px;
}

/* ═══════════════════════════════════════════════════════════════
   THEME: Atari ST GEM
   ═══════════════════════════════════════════════════════════════ */

.theme-atarist {
  --bg:             #00aa00;
  --bg-pattern:     none;
  --surface:        #ffffff;
  --surface-alt:    #ffffff;
  --chrome:         #ffffff;
  --chrome-hi:      #ffffff;
  --chrome-lo:      #888888;
  --chrome-dark:    #000000;
  --titlebar-bg:    #000000;
  --titlebar-fg:    #ffffff;
  --titlebar-stripe: none;
  --text:           #000000;
  --text-dim:       #666666;
  --text-inv:       #ffffff;
  --accent:         #000000;
  --accent-alt:     #00aa00;
  --input-bg:       #ffffff;
  --input-border:   #000000;
  --btn-bg:         #cccccc;
  --btn-fg:         #000000;
  --btn-active:     #000000;
  --log-bg:         #004400;
  --log-text:       #00ff00;
  --log-dim:        #00aa00;
  --led-on:         #00ff00;
  --led-off:        #333333;
  --scrollbar-track: #cccccc;
  --scrollbar-thumb: #888888;
  /* Space Mono — tight, geometric monospace matching GEM's clean precision */
  --font:           "Space Mono", "Courier New", monospace;
  --font-size:      14px;
  --font-weight:    400;
  --line-height:    1.4;
  --font-title:     var(--font);
  --font-title-size: 12px;
  --bevel:          1px;
  --radius:         0px;
  --win-close-w:    18px;
  --win-depth-w:    18px;
  --win-gadget-h:   16px;
}

/* ═══════════════════════════════════════════════════════════════
   THEME: C64 GEOS
   ═══════════════════════════════════════════════════════════════ */

.theme-c64 {
  --bg:             #6c6c9e;
  --bg-pattern:     repeating-conic-gradient(#6c6c9e 0% 25%, #5a5a8a 0% 50%) 0 0 / 2px 2px;
  --surface:        #b4b4dc;
  --surface-alt:    #d4d4ee;
  --chrome:         #b4b4dc;
  --chrome-hi:      #d4d4ee;
  --chrome-lo:      #6c6c9e;
  --chrome-dark:    #3c3c6c;
  --titlebar-bg:    #3c3c6c;
  --titlebar-fg:    #d4d4ee;
  --titlebar-stripe: none;
  --text:           #3c3c6c;
  --text-dim:       #6c6c9e;
  --text-inv:       #d4d4ee;
  --accent:         #3c3c6c;
  --accent-alt:     #8888bb;
  --input-bg:       #d4d4ee;
  --input-border:   #3c3c6c;
  --btn-bg:         #b4b4dc;
  --btn-fg:         #3c3c6c;
  --btn-active:     #3c3c6c;
  --log-bg:         #1a1a3a;
  --log-text:       #b4b4dc;
  --log-dim:        #6c6c9e;
  --led-on:         #88dd88;
  --led-off:        #3c3c6c;
  --scrollbar-track: #b4b4dc;
  --scrollbar-thumb: #6c6c9e;
  /* Silkscreen — pixel bitmap font capturing GEOS's clean chunky aesthetic */
  --font:           "Silkscreen", "Courier New", monospace;
  --font-size:      14px;
  --font-weight:    400;
  --line-height:    1.5;
  --font-title:     var(--font);
  --font-title-size: 13px;
  --bevel:          2px;
  --radius:         2px;
  --win-close-w:    16px;
  --win-depth-w:    16px;
  --win-gadget-h:   14px;
}

/* ═══════════════════════════════════════════════════════════════
   THEME: Classic Mac (System 7)
   ═══════════════════════════════════════════════════════════════ */

.theme-mac {
  --bg:             #666699;
  --bg-pattern:     repeating-conic-gradient(#666699 0% 25%, #555588 0% 50%) 0 0 / 2px 2px;
  --surface:        #ffffff;
  --surface-alt:    #eeeeee;
  --chrome:         #cccccc;
  --chrome-hi:      #ffffff;
  --chrome-lo:      #888888;
  --chrome-dark:    #000000;
  --titlebar-bg:    linear-gradient(180deg, #ffffff 0%, #cccccc 100%);
  --titlebar-fg:    #000000;
  --titlebar-stripe: repeating-linear-gradient(
    180deg,
    #cccccc 0px, #cccccc 1px,
    #ffffff 1px, #ffffff 3px
  );
  --text:           #000000;
  --text-dim:       #666666;
  --text-inv:       #ffffff;
  --accent:         #0000cc;
  --accent-alt:     #666699;
  --input-bg:       #ffffff;
  --input-border:   #000000;
  --btn-bg:         #dddddd;
  --btn-fg:         #000000;
  --btn-active:     #000000;
  --log-bg:         #ffffff;
  --log-text:       #000000;
  --log-dim:        #888888;
  --led-on:         #00cc00;
  --led-off:        #cccccc;
  --scrollbar-track: #eeeeee;
  --scrollbar-thumb: #888888;
  --font:           "Chicago", "Charcoal", "Geneva", "Lucida Grande", sans-serif;
  --font-size:      13px;
  --font-weight:    400;
  --line-height:    1.45;
  --font-title:     "Chicago", "Charcoal", sans-serif;
  --font-title-size: 12px;
  --bevel:          1px;
  --radius:         3px;
  --win-close-w:    14px;
  --win-depth-w:    14px;
  --win-gadget-h:   14px;
}

/* ═══════════════════════════════════════════════════════════════
   THEME: Windows 3.1
   ═══════════════════════════════════════════════════════════════ */

.theme-win31 {
  --bg:             #008080;
  --bg-pattern:     none;
  --surface:        #c0c0c0;
  --surface-alt:    #ffffff;
  --chrome:         #c0c0c0;
  --chrome-hi:      #ffffff;
  --chrome-lo:      #808080;
  --chrome-dark:    #000000;
  --titlebar-bg:    #000080;
  --titlebar-fg:    #ffffff;
  --titlebar-stripe: none;
  --text:           #000000;
  --text-dim:       #808080;
  --text-inv:       #ffffff;
  --accent:         #000080;
  --accent-alt:     #008080;
  --input-bg:       #ffffff;
  --input-border:   #808080;
  --btn-bg:         #c0c0c0;
  --btn-fg:         #000000;
  --btn-active:     #000080;
  --log-bg:         #000000;
  --log-text:       #c0c0c0;
  --log-dim:        #808080;
  --led-on:         #00ff00;
  --led-off:        #808080;
  --scrollbar-track: #c0c0c0;
  --scrollbar-thumb: #808080;
  --font:           "MS Sans Serif", "Fixedsys", "Courier New", sans-serif;
  --font-size:      13px;
  --font-weight:    400;
  --line-height:    1.4;
  --font-title:     "System", "MS Sans Serif", sans-serif;
  --font-title-size: 12px;
  --bevel:          2px;
  --radius:         0px;
  --win-close-w:    18px;
  --win-depth-w:    18px;
  --win-gadget-h:   16px;
}


/* ═══════════════════════════════════════════════════════════════
   THEME: Hacker (Matrix-inspired)
   ═══════════════════════════════════════════════════════════════ */

.theme-hacker {
  --bg:             #000000;
  --bg-pattern:     none;
  --surface:        #0a0a0a;
  --surface-alt:    #111111;
  --chrome:         #0a0a0a;
  --chrome-hi:      #1a3a1a;
  --chrome-lo:      #0a1a0a;
  --chrome-dark:    #00ff41;
  --titlebar-bg:    #000000;
  --titlebar-fg:    #00ff41;
  --titlebar-stripe: none;
  --text:           #00ff41;
  --text-dim:       #00802a;
  --text-inv:       #000000;
  --accent:         #00ff41;
  --accent-alt:     #00cc33;
  --input-bg:       #0a0a0a;
  --input-border:   #00ff41;
  --btn-bg:         #0a1a0a;
  --btn-fg:         #00ff41;
  --btn-active:     #00ff41;
  --log-bg:         #000000;
  --log-text:       #00ff41;
  --log-dim:        #00802a;
  --led-on:         #00ff41;
  --led-off:        #0a1a0a;
  --scrollbar-track: #0a0a0a;
  --scrollbar-thumb: #00802a;
  --font:           "Fira Code", "Source Code Pro", "Courier New", monospace;
  --font-size:      13px;
  --font-weight:    400;
  --line-height:    1.5;
  --font-title:     var(--font);
  --font-title-size: 12px;
  --bevel:          1px;
  --radius:         0px;
  --win-close-w:    16px;
  --win-depth-w:    16px;
  --win-gadget-h:   14px;
}

/* ═══════════════════════════════════════════════════════════════
   THEME: Modern (clean web app)
   ═══════════════════════════════════════════════════════════════ */

.theme-modern {
  --bg:             #0f1117;
  --bg-pattern:     none;
  --surface:        #1a1d27;
  --surface-alt:    #222633;
  --chrome:         #1a1d27;
  --chrome-hi:      #2a2e3d;
  --chrome-lo:      #13151c;
  --chrome-dark:    #2a2e3d;
  --titlebar-bg:    #1a1d27;
  --titlebar-fg:    #e0e0e6;
  --titlebar-stripe: none;
  --text:           #e0e0e6;
  --text-dim:       #8888a0;
  --text-inv:       #0f1117;
  --accent:         #6c8cff;
  --accent-alt:     #a78bfa;
  --input-bg:       #13151c;
  --input-border:   #2a2e3d;
  --btn-bg:         #6c8cff;
  --btn-fg:         #ffffff;
  --btn-active:     #5070dd;
  --log-bg:         #0a0d14;
  --log-text:       #7ee787;
  --log-dim:        #4a6a52;
  --led-on:         #6c8cff;
  --led-off:        #2a2e3d;
  --scrollbar-track: #1a1d27;
  --scrollbar-thumb: #2a2e3d;
  --font:           -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, sans-serif;
  --font-size:      14px;
  --font-weight:    400;
  --line-height:    1.55;
  --font-title:     var(--font);
  --font-title-size: 13px;
  --bevel:          1px;
  --radius:         8px;
  --win-close-w:    0px;
  --win-depth-w:    0px;
  --win-gadget-h:   0px;
}


/* ═══════════════════════════════════════════════════════════════
   THEME: Windows 11
   ═══════════════════════════════════════════════════════════════ */

.theme-win11 {
  --bg:             #f3f3f3;
  --bg-pattern:     none;
  --surface:        #ffffff;
  --surface-alt:    #f9f9f9;
  --chrome:         #ffffff;
  --chrome-hi:      #ffffff;
  --chrome-lo:      #e5e5e5;
  --chrome-dark:    #d1d1d1;
  --titlebar-bg:    #ffffff;
  --titlebar-fg:    #1a1a1a;
  --titlebar-stripe: none;
  --text:           #1a1a1a;
  --text-dim:       #6e6e6e;
  --text-inv:       #ffffff;
  --accent:         #0078d4;
  --accent-alt:     #005a9e;
  --input-bg:       #ffffff;
  --input-border:   #d1d1d1;
  --btn-bg:         #0078d4;
  --btn-fg:         #ffffff;
  --btn-active:     #005a9e;
  --log-bg:         #1e1e1e;
  --log-text:       #d4d4d4;
  --log-dim:        #808080;
  --led-on:         #0078d4;
  --led-off:        #d1d1d1;
  --scrollbar-track: #f3f3f3;
  --scrollbar-thumb: #c1c1c1;
  --font:           "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size:      14px;
  --font-weight:    400;
  --line-height:    1.5;
  --font-title:     var(--font);
  --font-title-size: 13px;
  --bevel:          1px;
  --radius:         8px;
  --win-close-w:    0px;
  --win-depth-w:    0px;
  --win-gadget-h:   0px;
}

/* ═══════════════════════════════════════════════════════════════
   THEME: macOS (modern)
   ═══════════════════════════════════════════════════════════════ */

.theme-macos {
  --bg:             #1e1e1e;
  --bg-pattern:     none;
  --surface:        #2d2d2d;
  --surface-alt:    #383838;
  --chrome:         #2d2d2d;
  --chrome-hi:      #3d3d3d;
  --chrome-lo:      #222222;
  --chrome-dark:    #3d3d3d;
  --titlebar-bg:    #2d2d2d;
  --titlebar-fg:    #e0e0e0;
  --titlebar-stripe: none;
  --text:           #e0e0e0;
  --text-dim:       #8e8e93;
  --text-inv:       #1e1e1e;
  --accent:         #0a84ff;
  --accent-alt:     #5e5ce6;
  --input-bg:       #1e1e1e;
  --input-border:   #3d3d3d;
  --btn-bg:         #0a84ff;
  --btn-fg:         #ffffff;
  --btn-active:     #0064d2;
  --log-bg:         #161616;
  --log-text:       #98d89e;
  --log-dim:        #5a7a5e;
  --led-on:         #30d158;
  --led-off:        #3d3d3d;
  --scrollbar-track: #2d2d2d;
  --scrollbar-thumb: #555555;
  --font:           -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  --font-size:      13px;
  --font-weight:    400;
  --line-height:    1.5;
  --font-title:     var(--font);
  --font-title-size: 13px;
  --bevel:          1px;
  --radius:         10px;
  --win-close-w:    0px;
  --win-depth-w:    0px;
  --win-gadget-h:   0px;
}

/* ═══════════════════════════════════════════════════════════════
   THEME: iPhone
   ═══════════════════════════════════════════════════════════════ */

.theme-iphone {
  --bg:             #000000;
  --bg-pattern:     none;
  --surface:        #1c1c1e;
  --surface-alt:    #2c2c2e;
  --chrome:         #1c1c1e;
  --chrome-hi:      #3a3a3c;
  --chrome-lo:      #1c1c1e;
  --chrome-dark:    #3a3a3c;
  --titlebar-bg:    #1c1c1e;
  --titlebar-fg:    #ffffff;
  --titlebar-stripe: none;
  --text:           #ffffff;
  --text-dim:       #8e8e93;
  --text-inv:       #000000;
  --accent:         #0a84ff;
  --accent-alt:     #5e5ce6;
  --input-bg:       #1c1c1e;
  --input-border:   #3a3a3c;
  --btn-bg:         #0a84ff;
  --btn-fg:         #ffffff;
  --btn-active:     #0064d2;
  --log-bg:         #000000;
  --log-text:       #30d158;
  --log-dim:        #48a868;
  --led-on:         #0a84ff;
  --led-off:        #3a3a3c;
  --scrollbar-track: #1c1c1e;
  --scrollbar-thumb: #48484a;
  --font:           -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  --font-size:      15px;
  --font-weight:    400;
  --line-height:    1.45;
  --font-title:     var(--font);
  --font-title-size: 14px;
  --bevel:          0px;
  --radius:         12px;
  --win-close-w:    0px;
  --win-depth-w:    0px;
  --win-gadget-h:   0px;
}

/* ═══════════════════════════════════════════════════════════════
   THEME: Android
   ═══════════════════════════════════════════════════════════════ */

.theme-android {
  --bg:             #121212;
  --bg-pattern:     none;
  --surface:        #1e1e1e;
  --surface-alt:    #2a2a2a;
  --chrome:         #1e1e1e;
  --chrome-hi:      #333333;
  --chrome-lo:      #1a1a1a;
  --chrome-dark:    #333333;
  --titlebar-bg:    #1e1e1e;
  --titlebar-fg:    #e8eaed;
  --titlebar-stripe: none;
  --text:           #e8eaed;
  --text-dim:       #9aa0a6;
  --text-inv:       #121212;
  --accent:         #8ab4f8;
  --accent-alt:     #bb86fc;
  --input-bg:       #2a2a2a;
  --input-border:   #333333;
  --btn-bg:         #8ab4f8;
  --btn-fg:         #121212;
  --btn-active:     #669df6;
  --log-bg:         #0e0e0e;
  --log-text:       #81c995;
  --log-dim:        #5a8a62;
  --led-on:         #8ab4f8;
  --led-off:        #333333;
  --scrollbar-track: #1e1e1e;
  --scrollbar-thumb: #444444;
  --font:           "Roboto", "Noto Sans", -apple-system, sans-serif;
  --font-size:      14px;
  --font-weight:    400;
  --line-height:    1.5;
  --font-title:     var(--font);
  --font-title-size: 13px;
  --bevel:          0px;
  --radius:         12px;
  --win-close-w:    0px;
  --win-depth-w:    0px;
  --win-gadget-h:   0px;
}

/* ═══════════════════════════════════════════════════════════════
   THEME: Nokia 7110 (WAP phone)
   ═══════════════════════════════════════════════════════════════ */

.theme-nokia7110 {
  --bg:             #8b9f6b;
  --bg-pattern:     none;
  --surface:        #9aaf7a;
  --surface-alt:    #a3b884;
  --chrome:         #9aaf7a;
  --chrome-hi:      #b3c898;
  --chrome-lo:      #7a8f5a;
  --chrome-dark:    #3a4a2a;
  --titlebar-bg:    #3a4a2a;
  --titlebar-fg:    #d4e4b8;
  --titlebar-stripe: none;
  --text:           #1a2a0a;
  --text-dim:       #4a5a3a;
  --text-inv:       #d4e4b8;
  --accent:         #2a3a1a;
  --accent-alt:     #5a6a4a;
  --input-bg:       #a3b884;
  --input-border:   #3a4a2a;
  --btn-bg:         #7a8f5a;
  --btn-fg:         #1a2a0a;
  --btn-active:     #3a4a2a;
  --log-bg:         #3a4a2a;
  --log-text:       #b3c898;
  --log-dim:        #7a8f5a;
  --led-on:         #c8e0a0;
  --led-off:        #5a6a4a;
  --scrollbar-track: #8b9f6b;
  --scrollbar-thumb: #5a6a4a;
  --font:           "Share Tech Mono", "Courier New", monospace;
  --font-size:      12px;
  --font-weight:    700;
  --line-height:    1.3;
  --font-title:     var(--font);
  --font-title-size: 11px;
  --bevel:          1px;
  --radius:         0px;
  --win-close-w:    0px;
  --win-depth-w:    0px;
  --win-gadget-h:   0px;
}

/* ═══════════════════════════════════════════════════════════════
   THEME: Nokia Communicator (9110/9210)
   ═══════════════════════════════════════════════════════════════ */

.theme-nokiacomm {
  --bg:             #d0d8c0;
  --bg-pattern:     none;
  --surface:        #dce4cc;
  --surface-alt:    #e8eedc;
  --chrome:         #c0c8b0;
  --chrome-hi:      #e8eedc;
  --chrome-lo:      #a0a890;
  --chrome-dark:    #404840;
  --titlebar-bg:    #004488;
  --titlebar-fg:    #ffffff;
  --titlebar-stripe: none;
  --text:           #202820;
  --text-dim:       #606860;
  --text-inv:       #ffffff;
  --accent:         #004488;
  --accent-alt:     #006699;
  --input-bg:       #e8eedc;
  --input-border:   #404840;
  --btn-bg:         #c0c8b0;
  --btn-fg:         #202820;
  --btn-active:     #004488;
  --log-bg:         #202820;
  --log-text:       #b0c0a0;
  --log-dim:        #708060;
  --led-on:         #00cc66;
  --led-off:        #606860;
  --scrollbar-track: #c0c8b0;
  --scrollbar-thumb: #808880;
  --font:           "Space Mono", "Courier New", monospace;
  --font-size:      13px;
  --font-weight:    400;
  --line-height:    1.4;
  --font-title:     var(--font);
  --font-title-size: 12px;
  --bevel:          2px;
  --radius:         2px;
  --win-close-w:    14px;
  --win-depth-w:    14px;
  --win-gadget-h:   14px;
}

/* ═══════════════════════════════════════════════════════════════
   BASE LAYOUT — Theme-agnostic structure
   ═══════════════════════════════════════════════════════════════ */

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font);
  font-size: var(--font-size);
  font-weight: var(--font-weight);
  line-height: var(--line-height);
  color: var(--text);
  background: var(--bg);
  background: var(--bg-pattern, var(--bg));
  display: flex;
  flex-direction: column;
}

/* ── Text size scaling ───────────────────────────────────────── */
/* CSS zoom on #workspace scales ALL child elements uniformly —
   fonts, borders, padding, icons — without touching individual rules.
   Titlebar is a sibling, so it stays at original size. */
body.textsize-large     { zoom: 1.2; }
body.textsize-larger    { zoom: 1.45; }
body.textsize-laaaarger { zoom: 1.8; }

/* ── Title Bar ───────────────────────────────────────────────── */

#titlebar {
  height: var(--titlebar-h);
  background: var(--titlebar-bg);
  color: var(--titlebar-fg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px;
  font-family: var(--font-title);
  font-size: var(--font-title-size);
  flex-shrink: 0;
  border-bottom: var(--bevel) solid var(--chrome-dark);
  user-select: none;
  position: relative;
  z-index: 10;
}

#titlebar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

#home-link {
  font-size: 16px;
  text-decoration: none;
  color: var(--text);
  opacity: 0.7;
  transition: opacity 0.15s;
  line-height: 1;
}

#home-link:hover {
  opacity: 1;
  color: var(--accent);
}

#system-name {
  font-weight: 700;
  letter-spacing: 0.5px;
}

#session-badge {
  font-size: 11px;
  opacity: 0.7;
}

#titlebar-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  background: var(--led-off);
  transition: background 0.3s;
}

.status-dot.connected {
  background: var(--led-on);
}

#titlebar-toggle {
  display: block;
  margin-left: auto;
  font-size: 18px;
  background: none;
  border: none;
  color: var(--titlebar-fg);
  cursor: pointer;
  padding: 2px 6px;
  line-height: 1;
}

#titlebar-right {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  background: var(--titlebar-bg);
  border-bottom: var(--bevel) solid var(--chrome-dark);
  box-shadow: 0 4px 12px rgba(0,0,0,.4);
  z-index: 100;
  padding: 4px 0;
}

#titlebar-right.open {
  display: flex;
}

#titlebar-right select,
#titlebar-right button {
  width: 100%;
  text-align: left;
  font-size: 13px;
  padding: 10px 14px;
  border: none;
  border-radius: 0;
  background: transparent;
  color: var(--titlebar-fg, #e0e0e6);
  cursor: pointer;
}

/* Mobile menu: show data-label as a caption row above each button */
#titlebar-right > button[data-label] {
  position: relative;
  padding-top: 22px;
}
#titlebar-right > button[data-label]::before {
  content: attr(data-label);
  display: block;
  position: absolute;
  top: 4px;
  left: 14px;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  opacity: 0.5;
  color: var(--titlebar-fg, #e0e0e6);
  pointer-events: none;
}

#titlebar-right select:hover,
#titlebar-right button:hover {
  background: rgba(255,255,255,.08);
}

#titlebar-right select {
  -webkit-appearance: none;
  appearance: none;
}

#theme-btn {
  font-family: var(--font);
  font-size: 11px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--chrome-lo);
  border-radius: var(--radius);
  padding: 2px 8px;
  cursor: pointer;
  white-space: nowrap;
}

#theme-btn:hover {
  border-color: var(--accent);
}

/* Confirm dialog overlay */
.confirm-overlay {
  position: fixed;
  inset: 0;
  z-index: 90000;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.15s ease;
}
.confirm-box {
  background: var(--surface, #222);
  border: 2px solid var(--chrome-lo, #555);
  border-radius: 6px;
  padding: 20px 28px;
  min-width: 260px;
  max-width: 90vw;
  text-align: center;
  font-family: var(--font);
  color: var(--text, #eee);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
.confirm-box p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.5;
}
.confirm-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
}
.confirm-actions button {
  font-family: var(--font);
  font-size: 12px;
  padding: 6px 18px;
  border-radius: 3px;
  cursor: pointer;
  border: 1px solid var(--chrome-lo, #555);
}
.confirm-yes {
  background: #c44;
  color: #fff;
  border-color: #c44 !important;
}
.confirm-yes:hover { background: #e55; }
.confirm-no {
  background: var(--btn-bg, #333);
  color: var(--btn-fg, #eee);
}
.confirm-no:hover { background: var(--accent); color: var(--bg); }

/* ── Workspace (three-panel grid) ────────────────────────────── */

#workspace {
  flex: 1;
  display: flex;
  overflow: hidden;
  padding: 6px;
  gap: 0;
}

#left-column {
  width: var(--left-width);
  min-width: 280px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

#input-panel {
  flex: 0 0 var(--input-ratio);
  min-height: 160px;
  display: flex;
  flex-direction: column;
}

#log-panel {
  flex: 1;
  min-height: 100px;
  display: flex;
  flex-direction: column;
}

#h-resize {
  width: 6px;
  cursor: col-resize;
  flex-shrink: 0;
  position: relative;
}

#h-resize::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 2px;
  height: 40px;
  background: var(--chrome-lo);
  border-radius: 1px;
}

#output-panel {
  flex: 1;
  min-width: 300px;
  display: flex;
  flex-direction: column;
}

/* ── Window chrome (themed) ──────────────────────────────────── */

.window {
  background: var(--surface);
  border: var(--bevel) solid var(--chrome-dark);
  border-radius: var(--radius);
  overflow: hidden;
}

/* Bevel effect: inset highlight */
.window::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.window-title {
  background: var(--titlebar-bg);
  color: var(--titlebar-fg);
  font-family: var(--font-title);
  font-size: var(--font-title-size);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 6px;
  height: 22px;
  user-select: none;
  flex-shrink: 0;
  position: relative;
}

/* Amiga-style orange stripes on either side of title text */
.theme-amiga .window-title::before,
.theme-amiga .window-title::after {
  content: "";
  flex: 1;
  height: 8px;
  margin: 0 6px;
  background: var(--titlebar-stripe);
}

.window-title-text {
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.window-controls {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.win-btn {
  width: var(--win-gadget-h);
  height: var(--win-gadget-h);
  background: var(--chrome);
  border: 1px solid var(--chrome-dark);
  cursor: pointer;
  position: relative;
}

.win-btn:active {
  background: var(--chrome-lo);
}

/* Stream-show button: override theme's display:none on .win-btn */
.win-btn.win-stream-show {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  width: auto;
  padding: 0 6px;
  font-size: 0.65rem;
  opacity: 0.7;
  cursor: pointer;
  border: 1px solid var(--chrome-hi, #555);
  border-radius: 3px;
  color: var(--titlebar-fg, #fff);
  background: none;
}
.win-btn.win-stream-show:hover {
  opacity: 1;
}
.win-btn.win-stream-show.hidden {
  display: none !important;
}

.window-body {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* ── Input area ──────────────────────────────────────────────── */

#input-area {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 6px;
  flex-shrink: 0;
}

#input-box {
  width: 100%;
  resize: none;
  font-family: var(--font);
  font-size: var(--font-size);
  line-height: var(--line-height);
  color: var(--text);
  background: var(--input-bg);
  border: var(--bevel) solid var(--input-border);
  border-radius: var(--radius);
  padding: 6px 8px;
  outline: none;
}

/* Inset bevel on input */
#input-box {
  border-top-color: var(--chrome-lo);
  border-left-color: var(--chrome-lo);
  border-bottom-color: var(--chrome-hi);
  border-right-color: var(--chrome-hi);
}

#input-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

#send-btn {
  font-family: var(--font);
  font-size: 12px;
  padding: 3px 16px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: var(--bevel) solid var(--chrome-dark);
  border-top-color: var(--chrome-hi);
  border-left-color: var(--chrome-hi);
  border-radius: var(--radius);
  cursor: pointer;
  user-select: none;
}

#send-btn:active {
  border-top-color: var(--chrome-lo);
  border-left-color: var(--chrome-lo);
  border-bottom-color: var(--chrome-hi);
  border-right-color: var(--chrome-hi);
  padding: 4px 15px 2px 17px;
}

#stop-btn {
  font-family: var(--font);
  font-size: 12px;
  padding: 3px 16px;
  background: #c33;
  color: #fff;
  border: var(--bevel) solid #a22;
  border-top-color: #e55;
  border-left-color: #e55;
  border-radius: var(--radius);
  cursor: pointer;
  user-select: none;
}
#stop-btn:hover {
  background: #d44;
}
#stop-btn:active,
#stop-btn.stop-active {
  background: #a22;
  border-top-color: #811;
  border-left-color: #811;
  border-bottom-color: #e55;
  border-right-color: #e55;
}
/* Keep stop button red across all themes */
[class*="theme-"] #stop-btn {
  background: #c33 !important;
  color: #fff !important;
  border-color: #a22 !important;
}
[class*="theme-"] #stop-btn:hover {
  background: #d44 !important;
}

/* ── Explore inline buttons (inside #input-actions row) ──────── */

.explore-inline-btn {
  display: none;
  align-items: center;
  gap: 4px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius, 4px);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  max-width: 160px;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.explore-inline-btn:hover {
  filter: brightness(1.12);
}

.explore-inline-btn.explore-cancel {
  background: transparent;
  color: var(--text-dim);
  font-size: 15px;
  padding: 4px 6px;
  opacity: 0.7;
}

.explore-inline-btn.explore-cancel:hover {
  opacity: 1;
  color: var(--text);
}

.explore-btn-label {
  overflow: hidden;
  text-overflow: ellipsis;
}

.explore-countdown {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  font-size: 11px;
  font-weight: 700;
  margin-left: 4px;
  font-variant-numeric: tabular-nums;
}

/* ── Visual choice bar (agent HTML vs generate new) ──────────── */

#visual-choice-bar {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 10px 12px;
  background: var(--surface-alt, var(--surface));
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  margin: 8px;
  animation: explore-bar-in 0.2s ease-out;
}

.visual-choice-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text);
}

.visual-choice-icon {
  font-size: 18px;
  flex-shrink: 0;
}

.visual-choice-text {
  line-height: 1.4;
}

.visual-choice-text strong {
  color: var(--accent);
}

.visual-choice-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.visual-choice-actions .tab-btn {
  font-size: 11px;
  padding: 4px 12px;
}

#visual-use-file-btn {
  background: var(--accent) !important;
  color: #fff !important;
  font-weight: 700;
}

#visual-generate-btn {
  opacity: 0.85;
}

/* ── Decomposition area ──────────────────────────────────────── */

#decomposition-area {
  flex: 1;
  overflow-y: auto;
  padding: 6px;
  border-top: 1px solid var(--chrome-lo);
}

#decomposition-content {
  font-size: 12px;
}

.decomp-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.decomp-placeholder, .output-placeholder {
  color: var(--text-dim);
  font-style: italic;
  font-size: 12px;
}

/* Decomposition nodes (injected HTML) */
.decomp-node {
  padding: 4px 8px;
  margin: 2px 0;
  border-left: 3px solid var(--accent);
  background: var(--surface-alt);
}

.decomp-intent {
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.decomp-step {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 2px 0;
}

.decomp-bullet {
  color: var(--accent);
  font-weight: 700;
}

.decomp-action {
  font-weight: 600;
}

.decomp-target {
  color: var(--text-dim);
}

.decomp-meta {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 6px;
  padding-top: 4px;
  border-top: 1px solid var(--chrome-lo);
}

/* ── Activity log ────────────────────────────────────────────── */

#log-panel .window-body {
  background: var(--log-bg);
}

#log-content {
  flex: 1;
  overflow-y: auto;
  padding: 6px 8px;
  font-family: var(--font);
  font-size: 12px;
  color: var(--log-text);
  line-height: 1.5;
}

.log-entry {
  display: flex;
  gap: 6px;
  padding: 1px 0;
  opacity: 1;
  transition: opacity 0.3s;
}

.log-entry.fading {
  opacity: 0.5;
}

.log-ts {
  color: var(--log-dim);
  flex-shrink: 0;
  font-size: 11px;
}

.log-icon {
  flex-shrink: 0;
  width: 16px;
  text-align: center;
}

.log-text {
  white-space: pre-wrap;
  word-break: break-word;
}

.log-tool {
  color: var(--accent);
  font-weight: 600;
}

.log-status {
  color: var(--log-text);
}

.log-thinking {
  color: var(--log-dim);
  font-style: italic;
}

.log-error {
  color: #ff5555;
}

.log-btw {
  color: #f0c040;
  font-style: italic;
}

/* ── Output panel ────────────────────────────────────────────── */

#output-panel .window-title {
  justify-content: space-between;
}

#output-tabs {
  display: flex;
  gap: 2px;
}

.tab-btn {
  font-family: var(--font);
  font-size: 11px;
  padding: 1px 10px;
  background: var(--chrome-lo);
  color: var(--titlebar-fg);
  border: 1px solid var(--chrome-dark);
  border-radius: var(--radius);
  cursor: pointer;
  opacity: 0.7;
  user-select: none;
}

.tab-btn.active {
  background: var(--chrome);
  color: var(--btn-fg);
  opacity: 1;
}

.output-tab {
  display: none;
  flex: 1;
  overflow-y: auto;
  padding: 10px 14px;
}

.output-tab.active {
  display: flex;
  flex-direction: column;
}

.output-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
}

/* Answer content: rendered markdown/HTML */
#answer-content {
  font-size: var(--font-size);
  line-height: 1.6;
}

#answer-content h1, #answer-content h2, #answer-content h3 {
  margin: 12px 0 6px;
  font-weight: 700;
}
#answer-content h1 { font-size: 18px; }
#answer-content h2 { font-size: 16px; }
#answer-content h3 { font-size: 14px; }

#answer-content p {
  margin: 6px 0;
}

#answer-content pre {
  background: var(--log-bg);
  color: var(--log-text);
  padding: 8px 10px;
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 12px;
  margin: 6px 0;
}

#answer-content code {
  background: var(--surface-alt);
  padding: 1px 4px;
  border-radius: 2px;
  font-size: 12px;
}

#answer-content pre code {
  background: none;
  padding: 0;
}

#answer-content ul, #answer-content ol {
  padding-left: 20px;
  margin: 4px 0;
}

#answer-content blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 10px;
  margin: 6px 0;
  color: var(--text-dim);
}

#answer-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
}

#answer-content audio {
  filter: invert(0.85) hue-rotate(180deg);
}

#answer-content .html-view-card a {
  text-decoration: none;
}

/* Answer action bar (copy + feedback) */
.answer-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  padding-top: 6px;
  border-top: 1px solid var(--chrome-lo);
  opacity: 0;
  transition: opacity 0.15s;
}
#output-answer:hover .answer-actions,
.answer-actions:has(.active) {
  opacity: 1;
}
.answer-action-btn {
  background: none;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  padding: 2px 6px;
  opacity: 0.5;
  transition: opacity 0.15s, border-color 0.15s;
  line-height: 1;
}
.answer-action-btn:hover {
  opacity: 0.9;
}
.answer-action-btn.active {
  opacity: 1;
  border-color: var(--accent);
}
.answer-fb-saved {
  font-size: 11px;
  color: var(--accent);
  opacity: 0;
  margin-left: 4px;
  transition: opacity 0.3s;
}
.answer-fb-saved.show {
  animation: answerFbFlash 1.5s ease forwards;
}
@keyframes answerFbFlash {
  0%   { opacity: 0; }
  15%  { opacity: 1; }
  70%  { opacity: 1; }
  100% { opacity: 0; }
}

/* ── Next Steps buttons ── */

.next-steps-bar {
  padding: 10px 12px;
  border-top: 1px solid var(--chrome-lo);
  margin-top: 8px;
}

.next-steps-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted, #888);
  margin-bottom: 8px;
}

.next-steps-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.next-step-btn {
  font-family: var(--font);
  font-size: 12px;
  padding: 6px 14px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}

.next-step-btn:hover {
  background: var(--accent);
  color: var(--titlebar-fg, #fff);
}

.next-step-btn:active {
  opacity: 0.7;
}

#answer-content table,
.md-preview table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0;
  font-size: 12px;
}

#answer-content th,
.md-preview th {
  background: var(--surface-alt, var(--surface));
  font-weight: 700;
  text-align: left;
  padding: 5px 8px;
  border: 1px solid var(--chrome-lo);
}

#answer-content td,
.md-preview td {
  padding: 4px 8px;
  border: 1px solid var(--chrome-lo);
}

#answer-content tr:nth-child(even),
.md-preview tr:nth-child(even) {
  background: var(--surface-alt, rgba(128,128,128,0.06));
}

/* Visual decomposition content */
#visual-content {
  font-size: 13px;
}

.blueprint-section {
  border: 1px solid var(--chrome-lo);
  border-radius: var(--radius);
  margin: 6px 0;
  overflow: hidden;
}

.blueprint-header {
  background: var(--surface-alt);
  padding: 6px 10px;
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--chrome-lo);
  cursor: pointer;
  user-select: none;
}

.blueprint-body {
  padding: 8px 10px;
}

.blueprint-step {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
}

.blueprint-arrow {
  color: var(--accent);
  font-weight: 700;
}

.blueprint-label {
  font-size: 12px;
  color: var(--text-dim);
  background: var(--surface-alt);
  padding: 1px 6px;
  border-radius: 2px;
}

/* ── History drawer ──────────────────────────────────────────── */

.history-drawer {
  flex-shrink: 0;
}

.history-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  background: var(--chrome);
  position: sticky;
  top: 0;
  z-index: 1;
  border-bottom: var(--bevel, 1px) solid var(--chrome-lo);
  cursor: pointer;
  user-select: none;
  font-family: var(--font);
  font-size: 11px;
  color: var(--titlebar-fg);
}

.history-bar-toggle {
  font-size: 9px;
  transition: transform 0.15s;
  display: inline-block;
}

.history-drawer.open .history-bar-toggle {
  transform: rotate(90deg);
}

.history-bar-label {
  flex: 1;
  letter-spacing: 0.3px;
}

.history-bar-nav {
  display: flex;
  gap: 2px;
}

.history-nav-btn {
  font-family: var(--font);
  font-size: 10px;
  width: 20px;
  height: 18px;
  padding: 0;
  background: var(--btn-bg, var(--chrome-lo));
  color: var(--btn-fg, var(--titlebar-fg));
  border: var(--bevel, 1px) solid var(--chrome-dark);
  border-radius: var(--radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.history-nav-btn:hover {
  background: var(--chrome-hi);
}

.history-nav-btn:active {
  background: var(--btn-active, var(--accent));
}

.history-list {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease;
  background: var(--surface-alt, var(--surface));
}

.history-drawer.open .history-list {
  max-height: 35vh;
  overflow-y: auto;
  border-bottom: var(--bevel, 1px) solid var(--chrome-lo);
}

.history-list::-webkit-scrollbar {
  width: 8px;
}

.history-list::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

.history-list::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: var(--radius);
}

.history-entry {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  cursor: pointer;
  font-family: var(--font);
  font-size: 11px;
  color: var(--text-dim);
  border-left: 3px solid transparent;
  transition: background 0.1s;
}

.history-entry:hover {
  background: var(--chrome-lo);
}

.history-entry.active {
  color: var(--text);
  border-left-color: var(--accent);
  background: var(--surface);
}

.history-entry-bullet {
  font-size: 8px;
  flex-shrink: 0;
  color: var(--text-dim);
}

.history-entry.active .history-entry-bullet {
  color: var(--accent);
}

.history-entry-time {
  flex-shrink: 0;
  font-size: 10px;
  opacity: 0.7;
  min-width: 38px;
}

.history-entry-prompt {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-drawer.branching .history-bar {
  border-bottom-color: var(--accent);
}

.history-branch-badge {
  display: inline-block;
  background: var(--accent);
  color: var(--text-inv, #fff);
  font-size: 9px;
  padding: 0 5px;
  border-radius: var(--radius);
  margin-right: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 700;
}

.history-entry.pruned {
  opacity: 0.35;
  text-decoration: line-through;
}

.history-entry.pruned:hover {
  opacity: 0.5;
}

/* ── Drive LED ───────────────────────────────────────────────── */

#drive-led {
  position: fixed;
  bottom: 8px;
  right: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--led-off);
  transition: background 0.15s;
  z-index: 100;
  box-shadow: 0 0 4px rgba(0,0,0,0.5);
}

#drive-led.on {
  background: var(--led-on);
  box-shadow: 0 0 8px var(--led-on);
}

/* ── Boot screen ─────────────────────────────────────────────── */

#boot-screen {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s;
}

#boot-screen.hiding {
  opacity: 0;
  pointer-events: none;
}

#boot-screen.hidden {
  display: none;
}

/* Amiga boot */
.theme-amiga #boot-screen {
  background: #333;
}

#boot-content {
  font-family: var(--font);
  font-size: 16px;
  text-align: center;
  color: #ffffff;
}

/* Amiga: hand-insert-disk then checkmark */
.boot-amiga-hand {
  font-size: 48px;
  margin-bottom: 16px;
  animation: boot-blink 1s step-end infinite;
}

.boot-amiga-check {
  color: #00cc00;
  font-size: 48px;
}

.boot-text {
  margin-top: 12px;
  font-size: 13px;
  opacity: 0.7;
}

@keyframes modern-load {
  0% { width: 0%; }
  100% { width: 100%; }
}

@keyframes boot-blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0.3; }
}

/* Atari ST boot */
.theme-atarist #boot-screen {
  background: #ffffff;
}

.theme-atarist #boot-content {
  color: #000000;
}

/* C64 boot */
.theme-c64 #boot-screen {
  background: #3c3c6c;
}

.theme-c64 #boot-content {
  color: #b4b4dc;
  font-family: "Silkscreen", monospace;
}

/* Mac boot */
.theme-mac #boot-screen {
  background: #cccccc;
}

.theme-mac #boot-content {
  color: #000000;
}

/* Win 3.1 boot */
.theme-win31 #boot-screen {
  background: #000000;
}

.theme-win31 #boot-content {
  color: #c0c0c0;
}

/* Hacker boot */
.theme-hacker #boot-screen {
  background: #000000;
}

.theme-hacker #boot-content {
  color: #00ff41;
  font-family: "Fira Code", "Source Code Pro", monospace;
  text-shadow: 0 0 8px #00ff41;
}

/* Modern boot */
.theme-modern #boot-screen {
  background: #0f1117;
}

.theme-modern #boot-content {
  color: #e0e0e6;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* ── Scrollbars (themed) ─────────────────────────────────────── */

::-webkit-scrollbar {
  width: 14px;
}

::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border: 1px solid var(--chrome-dark);
}

::-webkit-scrollbar-button {
  display: block;
  height: 14px;
  background: var(--chrome);
  border: 1px solid var(--chrome-dark);
}

/* ── Amiga-specific decorations ──────────────────────────────── */

/* Amiga window bevel: raised outer border */
.theme-amiga .window {
  border-top-color: var(--chrome-hi);
  border-left-color: var(--chrome-hi);
  border-bottom-color: var(--chrome-dark);
  border-right-color: var(--chrome-dark);
  box-shadow:
    inset 1px 1px 0 var(--chrome-hi),
    inset -1px -1px 0 var(--chrome-lo);
}

/* Amiga close gadget: small square with dot */
.theme-amiga .win-btn {
  border-top-color: var(--chrome-hi);
  border-left-color: var(--chrome-hi);
  border-bottom-color: var(--chrome-dark);
  border-right-color: var(--chrome-dark);
}

/* ── Win 3.1 specific ────────────────────────────────────────── */

.theme-win31 .window {
  border-top-color: var(--chrome-hi);
  border-left-color: var(--chrome-hi);
  border-bottom-color: var(--chrome-dark);
  border-right-color: var(--chrome-dark);
  box-shadow:
    inset 1px 1px 0 var(--chrome-hi),
    inset -1px -1px 0 var(--chrome-lo);
}

/* ── Mac specific ────────────────────────────────────────────── */

.theme-mac .window {
  border: 1px solid #000000;
  box-shadow: 1px 1px 0 #000000;
  border-radius: 3px;
}

.theme-mac .window-title {
  background: var(--titlebar-bg);
  border-bottom: 1px solid #000000;
}

/* Mac title bar stripes */
.theme-mac .window-title::before {
  content: "";
  position: absolute;
  inset: 3px 24px;
  background: var(--titlebar-stripe);
  z-index: 0;
}

.theme-mac .window-title-text {
  position: relative;
  z-index: 1;
  background: var(--chrome);
  padding: 0 8px;
}

.theme-mac .window-controls {
  position: relative;
  z-index: 1;
}

/* ── Hacker specific ─────────────────────────────────────────── */

.theme-hacker .window {
  border-color: #00ff41;
  box-shadow: 0 0 6px rgba(0, 255, 65, 0.15);
}

.theme-hacker .window-title {
  border-bottom: 1px solid #00ff41;
  text-shadow: 0 0 6px #00ff41;
  letter-spacing: 1px;
}

/* Scanline overlay on the whole body */
.theme-hacker::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    180deg,
    transparent 0px,
    transparent 2px,
    rgba(0, 0, 0, 0.15) 2px,
    rgba(0, 0, 0, 0.15) 4px
  );
}

/* Subtle green glow on input */
.theme-hacker #input-box {
  text-shadow: 0 0 4px #00ff41;
  caret-color: #00ff41;
}

.theme-hacker #input-box::placeholder {
  color: #00802a;
}

/* Log text glow */
.theme-hacker #log-content {
  text-shadow: 0 0 3px rgba(0, 255, 65, 0.3);
}

/* Answer text glow */
.theme-hacker #answer-content {
  color: #00ff41;
  text-shadow: 0 0 2px rgba(0, 255, 65, 0.2);
}

.theme-hacker #answer-content pre {
  border: 1px solid #00802a;
}

.theme-hacker #answer-content code {
  background: #0a1a0a;
  color: #00ff41;
}

.theme-hacker #send-btn,
.theme-hacker #stop-btn,
.theme-hacker #attach-btn,
.theme-hacker #folder-btn {
  border-color: #00ff41;
  text-shadow: 0 0 4px #00ff41;
}

.theme-hacker #send-btn:hover,
.theme-hacker #stop-btn:hover,
.theme-hacker #attach-btn:hover,
.theme-hacker #folder-btn:hover {
  background: #00ff41;
  color: #000000;
  text-shadow: none;
}

.theme-hacker .tab-btn {
  border-color: #00802a;
  color: #00ff41;
}

.theme-hacker .tab-btn.active {
  background: #00ff41;
  color: #000000;
  text-shadow: none;
}

.theme-hacker #drive-led.on {
  box-shadow: 0 0 12px #00ff41, 0 0 24px rgba(0, 255, 65, 0.3);
}

.theme-hacker .decomp-node {
  border-left-color: #00ff41;
  background: #0a0a0a;
}

.theme-hacker .blueprint-section {
  border-color: #00802a;
}

.theme-hacker .blueprint-header {
  background: #0a1a0a;
  border-bottom-color: #00802a;
  color: #00ff41;
}

/* ── Modern specific ─────────────────────────────────────────── */

.theme-modern .window {
  border-color: var(--chrome-dark);
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.theme-modern .window-title {
  background: var(--surface);
  border-bottom: 1px solid var(--chrome-dark);
  height: 36px;
  padding: 0 14px;
}

.theme-modern .window-title-text {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.theme-modern #input-box {
  border-radius: 8px;
  border-color: var(--chrome-dark);
  padding: 10px 14px;
  transition: border-color 0.2s;
}

.theme-modern #input-box:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(108, 140, 255, 0.15);
}

.theme-modern #input-box::placeholder {
  color: var(--text-dim);
}

.theme-modern #send-btn,
.theme-modern #stop-btn,
.theme-modern #attach-btn,
.theme-modern #folder-btn {
  border: none;
  border-radius: 6px;
  padding: 6px 20px;
  font-weight: 600;
  transition: background 0.15s, transform 0.1s;
}

.theme-modern #send-btn:hover,
.theme-modern #stop-btn:hover,
.theme-modern #attach-btn:hover,
.theme-modern #folder-btn:hover {
  background: #5070dd;
}

.theme-modern #send-btn:active,
.theme-modern #stop-btn:active,
.theme-modern #attach-btn:active,
.theme-modern #folder-btn:active {
  transform: scale(0.97);
  padding: 6px 20px;
}

.theme-modern .tab-btn {
  border: none;
  border-radius: 6px;
  padding: 4px 14px;
  transition: background 0.15s;
  color: var(--text-dim);
  background: transparent;
  opacity: 1;
}

.theme-modern .tab-btn.active {
  background: var(--accent);
  color: #ffffff;
}

.theme-modern .tab-btn:hover:not(.active) {
  background: var(--surface-alt);
}

.theme-modern #log-content {
  font-family: "Fira Code", "Source Code Pro", monospace;
  font-size: 12px;
}

.theme-modern .log-entry {
  padding: 2px 0;
}

.theme-modern .decomp-node {
  border-radius: 6px;
  border-left: 3px solid var(--accent);
  background: var(--surface-alt);
}

.theme-modern .blueprint-section {
  border-radius: 8px;
  border-color: var(--chrome-dark);
}

.theme-modern .blueprint-header {
  background: var(--surface-alt);
  border-bottom-color: var(--chrome-dark);
  border-radius: 8px 8px 0 0;
}

.theme-modern #drive-led {
  width: 8px;
  height: 8px;
}

.theme-modern #drive-led.on {
  box-shadow: 0 0 8px var(--accent), 0 0 16px rgba(108, 140, 255, 0.3);
}

/* Modern: hide retro window gadgets */
.theme-modern .win-btn {
  display: none;
}

/* Modern: thin elegant scrollbar */
.theme-modern ::-webkit-scrollbar {
  width: 6px;
}

.theme-modern ::-webkit-scrollbar-button {
  display: none;
}

.theme-modern ::-webkit-scrollbar-thumb {
  border-radius: 3px;
  border: none;
}

/* ── Visual tab — iframe & fullscreen ─────────────────────────── */

#visual-frame {
  width: 100%;
  height: 100%;
  border: none;
  background: var(--surface);
  display: none;
}

#output-visual {
  position: relative;
}

#output-visual.active {
  display: flex;
  flex-direction: column;
}

/* Fullscreen button in title bar */
#fullscreen-btn {
  cursor: pointer;
  font-size: 16px;
  padding: 2px 8px;
  line-height: 1;
}

/* Fullscreen mode — output panel takes over the entire viewport */
#output-panel.fullscreen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9000;
  width: 100% !important;
  height: 100% !important;
  border-radius: 0;
  margin: 0;
}

body.visual-fullscreen #titlebar,
body.visual-fullscreen #left-column,
body.visual-fullscreen #h-resize,
body.visual-fullscreen #drive-led {
  display: none !important;
}

body.visual-fullscreen #workspace {
  padding: 0;
  gap: 0;
}

body.visual-fullscreen #output-panel .window-body {
  height: calc(100vh - 32px);
}

body.visual-fullscreen.stream-panel-open #output-panel .window-body {
  height: calc(100vh - 32px - 30vh);
}

body.visual-fullscreen #visual-frame {
  height: 100%;
  flex: 1;
}

/* Blueprint content */
#blueprint-content {
  padding: 8px;
}

#blueprint-content.output-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  color: var(--text-dim);
}

/* ── Files tab ───────────────────────────────────────────────── */

#output-files {
  padding: 0;
}

#output-files.active {
  display: flex;
  flex-direction: column;
}

#files-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-bottom: 1px solid var(--chrome-lo);
  flex-shrink: 0;
}

#files-count {
  font-size: 11px;
  color: var(--text-dim);
}

#files-search {
  flex: 1;
  min-width: 80px;
  max-width: 220px;
  margin-left: auto;
  padding: 3px 8px;
  font-family: var(--font);
  font-size: 11px;
  color: var(--text);
  background: var(--input-bg, var(--bg));
  border: 1px solid var(--chrome-lo);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.15s;
}

#files-search:focus {
  border-color: var(--accent);
}

#files-search::placeholder {
  color: var(--text-dim);
  opacity: 0.7;
}

#files-content {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

#files-content.output-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  color: var(--text-dim);
}

.file-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  margin-bottom: 4px;
  background: var(--surface);
  border: 1px solid var(--chrome-lo);
  border-radius: var(--radius);
  cursor: default;
  transition: border-color 0.15s;
}

.file-card:hover {
  border-color: var(--accent);
}

.file-icon {
  font-size: 22px;
  flex-shrink: 0;
  width: 28px;
  text-align: center;
}

.file-info {
  flex: 1;
  min-width: 0;
}

.file-name {
  font-size: 12px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
}

.file-meta {
  font-size: 10px;
  color: var(--text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Sort buttons ──────────────────────────────────────────── */

#files-sort {
  display: flex;
  gap: 2px;
}

.files-sort-btn {
  font-size: 12px;
  padding: 2px 5px;
  border: 1px solid var(--chrome-lo);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-dim);
  cursor: pointer;
  line-height: 1;
  transition: background 0.15s, border-color 0.15s;
}

.files-sort-btn:hover {
  border-color: var(--accent);
}

.files-sort-btn.active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

/* ── OLD badge ─────────────────────────────────────────────── */

.file-old-badge {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 5px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: #fff;
  background: #c0392b;
  border-radius: 3px;
  vertical-align: middle;
  line-height: 1.4;
}

.file-card.file-old {
  opacity: 0.6;
}

.file-card.file-old:hover {
  opacity: 0.85;
}

.file-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.file-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  font-family: var(--font);
  font-size: 11px;
  color: var(--text);
  background: var(--chrome-hi);
  border: 1px solid var(--chrome-lo);
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  line-height: 1.3;
}

.file-action-btn:hover {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.file-action-icon {
  font-size: 12px;
  line-height: 1;
}

.file-action-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.file-delete-btn:hover {
  background: #c33 !important;
  color: #fff !important;
  border-color: #c33 !important;
}

/* Selection mode checkbox */
.file-select-cb {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-left: 4px;
}
.file-select-check {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--accent, #7af);
}

/* Bulk delete button */
.file-delete-bulk-btn {
  color: #e55 !important;
  border-color: #c33 !important;
}
.file-delete-bulk-btn:hover {
  background: #c33 !important;
  color: #fff !important;
}
.file-delete-bulk-btn:disabled {
  opacity: .4;
  cursor: not-allowed;
}

/* File groups (folder-based grouping) */

.file-group {
  margin-bottom: 6px;
}

.file-group-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  cursor: pointer;
  border-radius: var(--radius);
  user-select: none;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  transition: background 0.12s;
}

.file-group-header:hover {
  background: var(--surface-alt, rgba(255,255,255,0.04));
}

.file-group-icon {
  font-size: 14px;
  flex-shrink: 0;
}

.file-group-name {
  flex: 1;
  text-transform: capitalize;
}

.file-group-count {
  font-size: 10px;
  color: var(--text-dim);
  background: var(--chrome-lo);
  border-radius: 8px;
  padding: 1px 6px;
  min-width: 18px;
  text-align: center;
}

.file-group-chevron {
  font-size: 10px;
  color: var(--text-dim);
  transition: transform 0.15s;
}

.file-group.collapsed .file-group-chevron {
  transform: rotate(-90deg);
}

.file-group-body {
  padding-left: 4px;
}

.file-group.collapsed .file-group-body {
  display: none;
}

/* ── Todos tab ───────────────────────────────────────────────── */

#output-todos {
  padding: 0;
}

#output-todos.active {
  display: flex;
  flex-direction: column;
}

#todos-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-bottom: 1px solid var(--chrome-lo);
  flex-shrink: 0;
}

#todos-filters {
  display: flex;
  gap: 2px;
  margin-left: 4px;
}

.todos-filter-btn {
  font-family: var(--font);
  font-size: 10px;
  padding: 1px 8px;
  background: transparent;
  border: 1px solid var(--chrome-lo);
  border-radius: var(--radius);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
}

.todos-filter-btn:hover {
  color: var(--text);
  border-color: var(--text-dim);
}

.todos-filter-btn.active {
  background: var(--chrome);
  color: var(--btn-fg);
  border-color: var(--chrome);
}

#todos-count {
  font-size: 11px;
  color: var(--text-dim);
}

#todos-search {
  flex: 1;
  min-width: 80px;
  max-width: 220px;
  margin-left: auto;
  padding: 3px 8px;
  font-family: var(--font);
  font-size: 11px;
  color: var(--text);
  background: var(--input-bg, var(--bg));
  border: 1px solid var(--chrome-lo);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.15s;
}

#todos-search:focus {
  border-color: var(--accent);
}

#todos-search::placeholder {
  color: var(--text-dim);
  opacity: 0.7;
}

#todos-add-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border-bottom: 1px solid var(--chrome-lo);
  flex-shrink: 0;
}

#todos-add-input {
  flex: 1;
  padding: 4px 8px;
  font-family: var(--font);
  font-size: 12px;
  color: var(--text);
  background: var(--input-bg, var(--bg));
  border: 1px solid var(--chrome-lo);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.15s;
}

#todos-add-input:focus {
  border-color: var(--accent);
}

#todos-add-input::placeholder {
  color: var(--text-dim);
  opacity: 0.7;
}

#todos-content {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

#todos-content.output-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  color: var(--text-dim);
}

.todo-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 10px;
  margin-bottom: 4px;
  background: var(--surface);
  border: 1px solid var(--chrome-lo);
  border-radius: var(--radius);
  transition: border-color 0.15s;
}

.todo-card:hover {
  border-color: var(--accent);
}

.todo-card.todo-done {
  opacity: 0.5;
}

.todo-card.todo-done .todo-text {
  text-decoration: line-through;
}

.todo-checkbox {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 1px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background: var(--input-bg, var(--bg));
  border: 2px solid var(--chrome-lo);
  border-radius: 3px;
  position: relative;
  transition: all 0.15s;
}

.todo-checkbox:hover {
  border-color: var(--accent);
}

.todo-checkbox:checked {
  background: var(--accent);
  border-color: var(--accent);
}

.todo-checkbox:checked::after {
  content: '✓';
  position: absolute;
  top: -1px;
  left: 2px;
  font-size: 12px;
  color: var(--btn-fg, #000);
  font-weight: bold;
}

.todo-body {
  flex: 1;
  min-width: 0;
}

.todo-text {
  font-size: 13px;
  color: var(--text);
  line-height: 1.4;
  word-break: break-word;
}

.todo-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 3px;
  flex-wrap: wrap;
}

.todo-badge {
  font-size: 10px;
  padding: 0 5px;
  border-radius: 3px;
  font-family: var(--font);
  line-height: 1.6;
}

.todo-badge-priority {
  background: var(--chrome-lo);
  color: var(--text-dim);
}

.todo-badge-priority.urgent {
  background: #c33;
  color: #fff;
}

.todo-badge-priority.high {
  background: #b86e00;
  color: #fff;
}

.todo-badge-responsible {
  background: var(--chrome-lo);
  color: var(--text-dim);
}

.todo-badge-tags {
  background: transparent;
  color: var(--text-dim);
  font-style: italic;
}

.todo-time {
  font-size: 10px;
  color: var(--text-dim);
  margin-left: auto;
  white-space: nowrap;
}

.todo-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 0.15s;
}

.todo-card:hover .todo-actions {
  opacity: 1;
}

.todo-action-btn {
  font-family: var(--font);
  font-size: 11px;
  background: none;
  border: 1px solid transparent;
  color: var(--text-dim);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: var(--radius);
  transition: all 0.12s;
}

.todo-action-btn:hover {
  color: var(--text);
  border-color: var(--chrome-lo);
}

.todo-action-btn.todo-delete-btn:hover {
  color: #e55;
  border-color: #c33;
}

/* ── Data tab ────────────────────────────────────────────────── */

#output-data {
  padding: 0;
}

#output-data.active {
  display: flex;
  flex-direction: column;
}

#data-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-bottom: 1px solid var(--chrome-lo);
  flex-shrink: 0;
}

#data-upload-label {
  cursor: pointer;
}

#data-table-count {
  font-size: 11px;
  color: var(--text-dim);
  margin-left: auto;
}

#data-split {
  flex: 1;
  display: flex;
  overflow: hidden;
  min-height: 0;
}

#data-table-list {
  width: 180px;
  min-width: 140px;
  border-right: 1px solid var(--chrome-lo);
  overflow-y: auto;
  padding: 4px;
  flex-shrink: 0;
}

.ds-table-item {
  padding: 6px 8px;
  font-size: 12px;
  color: var(--text);
  cursor: pointer;
  border-radius: var(--radius);
  transition: background 0.12s;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
}

.ds-table-item:hover {
  background: var(--surface, var(--bg-hover, rgba(255,255,255,.06)));
}

.ds-table-item.selected {
  background: var(--accent);
  color: var(--text-inv, #fff);
}

.ds-table-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.ds-table-rows {
  font-size: 10px;
  color: var(--text-dim);
  flex-shrink: 0;
}

.ds-table-item.selected .ds-table-rows {
  color: var(--text-inv, #fff);
  opacity: 0.7;
}

#data-table-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

#data-view-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border-bottom: 1px solid var(--chrome-lo);
  flex-shrink: 0;
}

#data-view-name {
  font-size: 13px;
  font-weight: bold;
  color: var(--text);
}

#data-view-meta {
  font-size: 11px;
  color: var(--text-dim);
}

#data-view-actions {
  margin-left: auto;
  display: flex;
  gap: 4px;
}

#data-grid-wrap {
  flex: 1;
  overflow: auto;
  min-height: 0;
}

#data-grid {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  font-family: var(--font);
}

#data-grid th {
  position: sticky;
  top: 0;
  background: var(--accent);
  color: var(--text-inv, #fff);
  font-weight: 600;
  text-align: left;
  padding: 5px 8px;
  border-bottom: 2px solid var(--chrome-lo);
  white-space: nowrap;
  font-size: 11px;
}

#data-grid td {
  padding: 4px 8px;
  border-bottom: 1px solid var(--chrome-lo);
  color: var(--text);
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#data-grid tbody tr:hover td {
  background: var(--surface, rgba(255,255,255,.04));
}

#data-paging {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 6px 10px;
  border-top: 1px solid var(--chrome-lo);
  flex-shrink: 0;
}

#data-paging-info {
  font-size: 11px;
  color: var(--text-dim);
}

#data-view-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  padding: 20px;
  text-align: center;
}

/* Upload drag-over state */
#output-data.drag-over #data-table-view {
  outline: 2px dashed var(--accent);
  outline-offset: -4px;
}

/* ── Insights Tab ────────────────────────────────────────────── */

#output-insights { padding: 0; }

#insights-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-bottom: 1px solid var(--chrome-lo);
  flex-shrink: 0;
}

#insights-search {
  flex: 1;
  min-width: 0;
  font-family: var(--font);
  font-size: 12px;
  padding: 3px 6px;
  background: var(--input-bg, var(--bg));
  color: var(--text);
  border: 1px solid var(--chrome-lo);
  border-radius: var(--radius);
}

#insights-category-filter {
  font-family: var(--font);
  font-size: 12px;
  padding: 3px 4px;
  background: var(--input-bg, var(--bg));
  color: var(--text);
  border: 1px solid var(--chrome-lo);
  border-radius: var(--radius);
}

#insights-count {
  font-size: 11px;
  color: var(--text-dim);
}

#insights-content {
  flex: 1;
  overflow-y: auto;
  padding: 6px;
}

.insight-card {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 10px;
  margin-bottom: 4px;
  background: var(--surface);
  border: 1px solid var(--chrome-lo);
  border-radius: var(--radius);
  transition: border-color 0.15s;
}

.insight-card:hover {
  border-color: var(--accent);
}

.insight-body {
  flex: 1;
  min-width: 0;
}

.insight-text {
  font-size: 13px;
  line-height: 1.4;
  color: var(--text);
  word-break: break-word;
}

.insight-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
  align-items: center;
}

.insight-badge {
  font-family: var(--font);
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 3px;
  background: var(--chrome-lo);
  color: var(--text-inv, var(--text));
}

.insight-cat-contact { background: #2563eb; color: #fff; }
.insight-cat-decision { background: #7c3aed; color: #fff; }
.insight-cat-preference { background: #0891b2; color: #fff; }
.insight-cat-fact { background: #059669; color: #fff; }
.insight-cat-deadline { background: #dc2626; color: #fff; }
.insight-cat-project { background: #d97706; color: #fff; }
.insight-cat-workflow { background: #4f46e5; color: #fff; }

.insight-important {
  background: #eab308;
  color: #000;
}

.insight-tags {
  font-size: 10px;
  color: var(--text-dim);
}

.insight-time {
  font-size: 10px;
  color: var(--text-dim);
  margin-left: auto;
}

.insight-actions {
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 0.12s;
}

.insight-card:hover .insight-actions {
  opacity: 1;
}

/* ── File preview modal ──────────────────────────────────────── */

.modal {
  position: fixed;
  inset: 0;
  z-index: 8500;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal.hidden {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
}

.modal-content {
  position: relative;
  width: 90%;
  max-width: none;
  height: 90vh;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  z-index: 1;
}

/* Compensate for body zoom so modals stay within viewport */
body.textsize-large .modal-content    { height: 75vh; max-height: 75vh; }
body.textsize-larger .modal-content   { height: 62vh; max-height: 62vh; }
body.textsize-laaaarger .modal-content { height: 50vh; max-height: 50vh; }

.modal-content .window-body {
  flex: 1;
  overflow: auto;
  padding: 12px;
}

.modal-close {
  font-size: 14px !important;
  cursor: pointer;
}

#preview-body pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--font);
  font-size: 12px;
  line-height: 1.5;
}

#preview-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
}

#preview-body iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: #fff;
  border-radius: var(--radius);
}

#preview-body .md-preview {
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
}

#preview-body .md-preview h1,
#preview-body .md-preview h2,
#preview-body .md-preview h3 {
  margin: 16px 0 8px 0;
  color: var(--accent);
}

#preview-body .md-preview h1 { font-size: 20px; border-bottom: 1px solid var(--chrome-lo); padding-bottom: 4px; }
#preview-body .md-preview h2 { font-size: 17px; }
#preview-body .md-preview h3 { font-size: 14px; }

#preview-body .md-preview p { margin: 6px 0; }

#preview-body .md-preview ul { padding-left: 20px; margin: 6px 0; }
#preview-body .md-preview li { margin: 2px 0; }

#preview-body .md-preview code {
  background: var(--surface-alt, var(--surface));
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 12px;
}

#preview-body .md-preview pre {
  background: var(--surface-alt, var(--surface));
  padding: 10px;
  border-radius: var(--radius);
  overflow-x: auto;
  margin: 8px 0;
}

#preview-body .md-preview pre code { background: none; padding: 0; }

#preview-body .md-preview blockquote {
  border-left: 3px solid var(--accent);
  margin: 8px 0;
  padding: 4px 12px;
  color: var(--text-dim);
}

#preview-body .md-preview strong { font-weight: 700; }
#preview-body .md-preview em { font-style: italic; }

/* ── Model, persona & tier selectors ─────────────────────────── */

#model-btn,
#persona-btn {
  font-family: var(--font);
  font-size: 11px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--chrome-lo);
  border-radius: var(--radius);
  padding: 2px 8px;
  cursor: pointer;
  max-width: 200px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
#model-btn:hover,
#persona-btn:hover {
  background: var(--accent);
  color: var(--bg);
}
#model-btn-label,
#persona-btn-label {
  font-size: inherit;
}

#tier-btn,
#sound-btn {
  font-family: var(--font);
  font-size: 11px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--chrome-lo);
  border-radius: var(--radius);
  padding: 2px 6px;
  cursor: pointer;
}

#textsize-btn {
  font-family: var(--font);
  font-size: 11px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--chrome-lo);
  border-radius: var(--radius);
  padding: 2px 6px;
  cursor: pointer;
}

/* Generic toolbar popup panel */
.toolbar-popup {
  position: fixed;
  margin-top: 0;
  background: var(--surface, #1a1a2e);
  border: 1px solid var(--chrome-hi, #555);
  border-radius: var(--radius, 4px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
  z-index: 10000;
  padding: 4px 0;
  min-width: 140px;
}
.toolbar-popup.hidden {
  display: none;
}
.toolbar-popup button {
  display: block;
  width: 100%;
  background: none;
  border: none;
  color: var(--text, #ccc);
  font-family: var(--font);
  font-size: 12px;
  padding: 6px 14px;
  text-align: left;
  cursor: pointer;
  white-space: nowrap;
}
.toolbar-popup button:hover {
  background: var(--accent, #ff8800);
  color: #fff;
}
.toolbar-popup button.active {
  font-weight: 700;
}
.toolbar-popup button.active::before {
  content: "✓ ";
}

/* Toolbar popup panels are positioned by JS */

/* Playbook selector */
#playbook-btn {
  font-family: var(--font);
  font-size: 11px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--chrome-lo);
  border-radius: var(--radius);
  padding: 2px 6px;
  cursor: pointer;
}

/* Approval modal */
#approval-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 12000;
}
#approval-modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}
#approval-modal .modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.6);
}
#approval-modal .modal-content {
  position: relative;
  width: min(480px, 90vw);
  display: flex;
  flex-direction: column;
}
#approval-modal .window-body {
  padding: 12px 16px;
}
#approval-approve-btn {
  background: var(--accent, #ff8800) !important;
  color: #fff !important;
  border-color: var(--accent, #ff8800) !important;
}

#playbook-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9000;
}
#playbook-modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}
#playbook-modal .modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.55);
}
#playbook-modal .modal-content {
  position: relative;
  width: min(620px, 90vw);
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}
#playbook-modal .window-body {
  overflow-y: auto;
  padding: 12px;
}

.pb-section-label {
  font-size: 0.7rem;
  color: var(--text);
  opacity: 0.5;
  padding: 10px 12px 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: bold;
}

#clear-session-btn {
  font-family: var(--font);
  font-size: 11px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--chrome-lo);
  border-radius: var(--radius);
  padding: 2px 6px;
  cursor: pointer;
  white-space: nowrap;
}
#clear-session-btn:hover {
  background: #c44;
  color: #fff;
  border-color: #c44;
}

/* ── Model modal ────────────────────────────────────────────── */

#model-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9000;
}
#model-modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}
#model-modal .modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.55);
}
#model-modal .modal-content {
  position: relative;
  width: min(620px, 90vw);
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}
#model-modal .window-body {
  overflow-y: auto;
  padding: 12px;
}

.model-grid {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.model-loading {
  text-align: center;
  padding: 24px;
  font-size: 0.85rem;
  opacity: 0.6;
}

.model-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 2px solid var(--win-border);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
}
.model-card:hover {
  border-color: var(--accent);
  background: var(--bg);
}
.model-card.selected {
  border-color: var(--accent);
  background: var(--bg);
  box-shadow: inset 3px 0 0 var(--accent);
}

.model-card-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  width: 32px;
  text-align: center;
}

.model-card-info {
  flex: 1;
  min-width: 0;
}

.model-card-name {
  font-size: 0.88rem;
  font-weight: bold;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.model-card-detail {
  font-size: 0.72rem;
  color: var(--text);
  opacity: 0.6;
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.model-card-badges {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.model-badge {
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: 8px;
  background: var(--win-border);
  color: var(--text);
  white-space: nowrap;
}
.model-badge.active {
  background: var(--accent);
  color: var(--bg);
}

/* ── Persona modal (mirrors model modal) ─────────────────────── */

#persona-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9000;
}
#persona-modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}
#persona-modal .modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.55);
}
#persona-modal .modal-content {
  position: relative;
  width: min(620px, 90vw);
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}
#persona-modal .window-body {
  overflow-y: auto;
  padding: 12px;
}

/* ── Map tab (exploration mind-map) ───────────────────────────── */

#output-map {
  position: relative;
  padding: 0;
}

#output-map.active {
  display: flex;
  flex-direction: column;
}

#map-container {
  flex: 1;
  overflow: hidden;
  cursor: grab;
  background: var(--log-bg);
  border-radius: var(--radius);
}

#map-svg {
  display: block;
}

#map-svg .map-node:hover rect {
  stroke: var(--accent);
  stroke-width: 2;
  filter: brightness(1.15);
}

#map-controls {
  position: absolute;
  bottom: 8px;
  right: 8px;
  display: flex;
  gap: 4px;
  z-index: 10;
}

#map-controls .tab-btn {
  width: 28px;
  height: 28px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  opacity: 0.8;
}

#map-controls .tab-btn:hover {
  opacity: 1;
}

#map-tooltip {
  position: absolute;
  background: var(--surface);
  border: 1px solid var(--chrome-lo);
  border-radius: var(--radius);
  padding: 6px 10px;
  font-size: 11px;
  max-width: 300px;
  pointer-events: none;
  z-index: 20;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* ── Win11 specific ──────────────────────────────────────────── */

.theme-win11 .window {
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08), 0 0 1px rgba(0, 0, 0, 0.08);
}

.theme-win11 .window-title {
  border-bottom: 1px solid #e5e5e5;
  height: 34px;
  padding: 0 12px;
}

.theme-win11 .win-btn { display: none; }

.theme-win11 #input-box {
  border-radius: 8px;
  border: 1px solid #d1d1d1;
  padding: 10px 14px;
}

.theme-win11 #input-box:focus {
  border-color: #0078d4;
  box-shadow: 0 0 0 1px #0078d4;
}

.theme-win11 #send-btn,
.theme-win11 #stop-btn,
.theme-win11 #attach-btn,
.theme-win11 #folder-btn {
  border: none;
  border-radius: 6px;
  padding: 6px 20px;
  font-weight: 600;
}

.theme-win11 .tab-btn {
  border: none;
  border-radius: 6px;
  background: transparent;
  color: #6e6e6e;
  opacity: 1;
}

.theme-win11 .tab-btn.active {
  background: #0078d4;
  color: #fff;
}

.theme-win11 ::-webkit-scrollbar { width: 6px; }
.theme-win11 ::-webkit-scrollbar-button { display: none; }
.theme-win11 ::-webkit-scrollbar-thumb { border-radius: 3px; border: none; }

.theme-win11 #boot-screen { background: #ffffff; }
.theme-win11 #boot-content { color: #1a1a1a; font-family: "Segoe UI", sans-serif; }

/* ── macOS specific ─────────────────────────────────────────── */

.theme-macos .window {
  border: 1px solid #3d3d3d;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.theme-macos .window-title {
  border-bottom: 1px solid #3d3d3d;
  height: 36px;
  padding: 0 14px;
}

.theme-macos .window-title-text {
  font-weight: 500;
  font-size: 13px;
}

.theme-macos .win-btn { display: none; }

.theme-macos #input-box {
  border-radius: 8px;
  border: 1px solid #3d3d3d;
  padding: 10px 14px;
}

.theme-macos #input-box:focus {
  border-color: #0a84ff;
  box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.2);
}

.theme-macos #send-btn,
.theme-macos #stop-btn,
.theme-macos #attach-btn,
.theme-macos #folder-btn {
  border: none;
  border-radius: 6px;
  padding: 6px 20px;
  font-weight: 500;
}

.theme-macos .tab-btn {
  border: none;
  border-radius: 6px;
  background: transparent;
  color: #8e8e93;
  opacity: 1;
}

.theme-macos .tab-btn.active {
  background: #0a84ff;
  color: #fff;
}

.theme-macos ::-webkit-scrollbar { width: 6px; }
.theme-macos ::-webkit-scrollbar-button { display: none; }
.theme-macos ::-webkit-scrollbar-thumb { border-radius: 3px; border: none; }

.theme-macos #boot-screen { background: #1e1e1e; }
.theme-macos #boot-content { color: #e0e0e0; font-family: -apple-system, BlinkMacSystemFont, sans-serif; }

/* ── iPhone specific ────────────────────────────────────────── */

.theme-iphone .window {
  border: none;
  border-radius: 12px;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.4);
}

.theme-iphone .window-title {
  border-bottom: 1px solid #3a3a3c;
  height: 34px;
  padding: 0 14px;
}

.theme-iphone .win-btn { display: none; }

.theme-iphone #input-box {
  border-radius: 18px;
  border: 1px solid #3a3a3c;
  padding: 10px 16px;
}

.theme-iphone #input-box:focus {
  border-color: #0a84ff;
}

.theme-iphone #send-btn,
.theme-iphone #stop-btn,
.theme-iphone #attach-btn,
.theme-iphone #folder-btn {
  border: none;
  border-radius: 18px;
  padding: 6px 20px;
  font-weight: 600;
}

.theme-iphone .tab-btn {
  border: none;
  border-radius: 8px;
  background: transparent;
  color: #8e8e93;
  opacity: 1;
}

.theme-iphone .tab-btn.active {
  background: #0a84ff;
  color: #fff;
}

.theme-iphone ::-webkit-scrollbar { width: 4px; }
.theme-iphone ::-webkit-scrollbar-button { display: none; }
.theme-iphone ::-webkit-scrollbar-thumb { border-radius: 2px; border: none; }

.theme-iphone #boot-screen { background: #000000; }
.theme-iphone #boot-content { color: #ffffff; font-family: -apple-system, BlinkMacSystemFont, sans-serif; }

/* ── Android specific ───────────────────────────────────────── */

.theme-android .window {
  border: none;
  border-radius: 12px;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.3);
}

.theme-android .window-title {
  border-bottom: 1px solid #333333;
  height: 36px;
  padding: 0 14px;
}

.theme-android .win-btn { display: none; }

.theme-android #input-box {
  border-radius: 24px;
  border: 1px solid #333333;
  padding: 10px 16px;
}

.theme-android #input-box:focus {
  border-color: #8ab4f8;
  box-shadow: 0 0 0 2px rgba(138, 180, 248, 0.2);
}

.theme-android #send-btn,
.theme-android #stop-btn,
.theme-android #attach-btn,
.theme-android #folder-btn {
  border: none;
  border-radius: 20px;
  padding: 6px 20px;
  font-weight: 500;
}

.theme-android .tab-btn {
  border: none;
  border-radius: 8px;
  background: transparent;
  color: #9aa0a6;
  opacity: 1;
}

.theme-android .tab-btn.active {
  background: #8ab4f8;
  color: #121212;
}

.theme-android ::-webkit-scrollbar { width: 4px; }
.theme-android ::-webkit-scrollbar-button { display: none; }
.theme-android ::-webkit-scrollbar-thumb { border-radius: 2px; border: none; }

.theme-android #boot-screen { background: #121212; }
.theme-android #boot-content { color: #e8eaed; font-family: "Roboto", sans-serif; }

/* ── Nokia 7110 specific ────────────────────────────────────── */

.theme-nokia7110 .window {
  border: 2px solid #3a4a2a;
  border-radius: 0;
}

.theme-nokia7110 .win-btn { display: none; }

.theme-nokia7110 #boot-screen { background: #8b9f6b; }
.theme-nokia7110 #boot-content {
  color: #1a2a0a;
  font-family: "Share Tech Mono", monospace;
  font-weight: 700;
}

/* ── Nokia Communicator specific ────────────────────────────── */

.theme-nokiacomm .window {
  border: 2px solid #404840;
  border-radius: 2px;
  box-shadow:
    inset 1px 1px 0 #e8eedc,
    inset -1px -1px 0 #a0a890;
}

.theme-nokiacomm #boot-screen { background: #202820; }
.theme-nokiacomm #boot-content {
  color: #b0c0a0;
  font-family: "Space Mono", monospace;
}

/* ── Theme selector modal ───────────────────────────────────── */

#theme-modal {
  position: fixed;
  inset: 0;
  z-index: 8600;
  display: none;
  align-items: center;
  justify-content: center;
}

#theme-modal.active {
  display: flex;
}

#theme-modal .modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
}

#theme-modal .modal-content {
  position: relative;
  width: 580px;
  max-width: 90vw;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  z-index: 1;
}

#theme-modal .window-body {
  overflow-y: auto;
  padding: 12px;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
}

.theme-card {
  border: 2px solid var(--chrome-lo);
  border-radius: var(--radius);
  cursor: pointer;
  overflow: hidden;
  transition: border-color 0.15s, transform 0.1s;
  background: var(--surface);
}

.theme-card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.theme-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent);
}

.theme-card-preview {
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}

.theme-card-name {
  padding: 6px 8px;
  font-size: 11px;
  font-weight: 600;
  text-align: center;
  border-top: 1px solid var(--chrome-lo);
  color: var(--text);
  background: var(--surface);
}

/* ── Theme modal: section labels, divider, custom cards ─────── */

.theme-section-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-dim);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.theme-section-actions {
  display: flex;
  gap: 6px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}

.theme-section-actions .tab-btn {
  font-size: 10px;
  padding: 2px 8px;
  cursor: pointer;
}

#theme-upload-label {
  cursor: pointer;
}

.theme-section-divider {
  height: 1px;
  background: var(--chrome-lo);
  margin: 14px 0 12px;
}

.theme-card-empty {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 18px 12px;
  font-size: 11px;
  color: var(--text-dim);
  font-style: italic;
  text-align: center;
  border: 2px dashed var(--chrome-lo);
  border-radius: var(--radius);
}

/* Custom theme cards — slight visual distinction */
.theme-card.custom-theme {
  border-style: dashed;
}

.theme-card.custom-theme .theme-card-name {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.theme-card-delete {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  font-size: 10px;
  line-height: 1;
  border-radius: 50%;
  border: 1px solid var(--chrome-lo);
  background: var(--surface);
  color: var(--text-dim);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.12s, color 0.12s;
}

.theme-card-delete:hover {
  background: #cc3333;
  color: #fff;
  border-color: #cc3333;
}

/* ── Attachment bar ──────────────────────────────────────────── */

#attachment-bar {
  display: flex;
  align-items: center;
  padding: 4px 8px;
  border-bottom: 1px solid var(--win-border);
  background: var(--surface);
}
#attachment-bar.hidden { display: none; }

#attachment-chip {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  font-size: 0.78rem;
  font-family: var(--font);
}

.attachment-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: var(--accent);
  color: var(--bg);
  border-radius: 4px;
}

.attachment-name {
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.attachment-remove {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0 2px;
  opacity: 0.7;
}
.attachment-remove:hover { opacity: 1; }

#attach-btn, #folder-btn {
  background: var(--btn-bg);
  color: var(--text);
  border: var(--bevel) solid var(--chrome-dark);
  border-top-color: var(--chrome-hi);
  border-left-color: var(--chrome-hi);
  font-size: 12px;
  padding: 3px 10px;
  cursor: pointer;
  font-family: var(--font);
  border-radius: var(--radius);
  user-select: none;
}
#attach-btn:hover, #folder-btn:hover {
  background: var(--accent);
  color: var(--bg);
}
#attach-btn:active, #folder-btn:active {
  border-top-color: var(--chrome-lo);
  border-left-color: var(--chrome-lo);
  border-bottom-color: var(--chrome-hi);
  border-right-color: var(--chrome-hi);
}

/* ── Folder modal ───────────────────────────────────────────── */

#folder-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9000;
}
#folder-modal.active { display: flex; align-items: center; justify-content: center; }
#folder-modal .modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.55);
}
#folder-modal .modal-content {
  position: relative;
  width: min(600px, 90vw);
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}
#folder-modal .window-body {
  overflow-y: auto;
  padding: 12px;
}

.folder-modal-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 10px;
}
.folder-modal-tab {
  background: var(--btn-bg);
  color: var(--text);
  border: 1px solid var(--win-border);
  padding: 4px 12px;
  font-family: var(--font);
  font-size: 0.82rem;
  cursor: pointer;
}
.folder-modal-tab.active {
  background: var(--accent);
  color: var(--bg);
}
.folder-modal-pane.hidden { display: none; }

.folder-section-label {
  font-size: 0.78rem;
  font-weight: bold;
  color: var(--text);
  opacity: 0.7;
  margin: 8px 0 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.folder-section-lbl {
  font-size: 0.75rem;
  color: var(--text);
  opacity: 0.5;
  margin: 6px 0 2px;
  padding-left: 4px;
}

.folder-entries {
  max-height: 120px;
  overflow-y: auto;
  margin-bottom: 8px;
}

.folder-entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 3px 6px;
  font-size: 0.8rem;
  border-bottom: 1px solid var(--win-border);
}
.folder-entry.missing { opacity: 0.5; }
.folder-entry-path {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
}
.folder-entry-warn { color: #c80; margin: 0 4px; }
.folder-entry-remove {
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  opacity: 0.5;
  font-size: 0.9rem;
}
.folder-entry-remove:hover { opacity: 1; color: #c33; }

.folder-drive-bar {
  display: flex;
  gap: 4px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.folder-drive-bar.hidden { display: none; }
.folder-drive-btn {
  background: var(--btn-bg);
  color: var(--text);
  border: 1px solid var(--win-border);
  padding: 2px 8px;
  font-family: var(--font);
  font-size: 0.78rem;
  cursor: pointer;
}
.folder-drive-btn:hover {
  background: var(--accent);
  color: var(--bg);
}

.folder-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  padding: 4px 6px;
  background: var(--surface);
  border: 1px solid var(--win-border);
  margin-bottom: 4px;
  font-size: 0.78rem;
  min-height: 24px;
}
.folder-bc-item {
  cursor: pointer;
  color: var(--accent);
}
.folder-bc-item:hover { text-decoration: underline; }
.folder-bc-sep { color: var(--text); opacity: 0.4; }

.folder-dirs {
  max-height: 200px;
  overflow-y: auto;
  border: 1px solid var(--win-border);
  background: var(--surface);
  margin-bottom: 6px;
}
.folder-dir-item {
  padding: 4px 8px;
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 4px;
}
.folder-dir-item:hover { background: var(--accent); color: var(--bg); }
.folder-dir-icon { flex-shrink: 0; }

.folder-empty {
  padding: 8px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text);
  opacity: 0.5;
}

.folder-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.folder-selected-path {
  flex: 1;
  font-size: 0.78rem;
  color: var(--text);
  opacity: 0.7;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Stream panel (bottom slide-up) ──────────────────────────── */

.stream-panel {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 30vh;
  z-index: 9500;
  display: flex;
  flex-direction: column;
  background: var(--surface, #1a1a2e);
  border-top: 2px solid var(--chrome-hi, #444);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
  transition: transform 0.25s ease-out, opacity 0.2s ease-out;
  transform: translateY(0);
  opacity: 1;
}

.stream-panel.hidden {
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
}

.stream-panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  background: var(--titlebar-bg, #0055aa);
  color: var(--titlebar-fg, #fff);
  font-size: 0.78rem;
  font-family: var(--font-ui, "Share Tech Mono", monospace);
  min-height: 24px;
  flex-shrink: 0;
}

.stream-panel-title {
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.stream-panel-meta {
  flex: 1;
  text-align: right;
  opacity: 0.7;
  font-size: 0.72rem;
}

.stream-panel-close {
  background: none;
  border: none;
  color: var(--titlebar-fg, #fff);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0 4px;
  opacity: 0.7;
  transition: opacity 0.15s;
}
.stream-panel-close:hover {
  opacity: 1;
}

.stream-panel-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px 12px;
  background: var(--input-bg, #0d0d1a);
  color: var(--text, #ccc);
}

#stream-panel-content {
  margin: 0;
  padding: 0;
  font-family: var(--font-mono, "Share Tech Mono", monospace);
  font-size: 0.82rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text, #ccc);
}

/* Blinking cursor at the end of streaming content */
.stream-panel-body.streaming #stream-panel-content::after {
  content: "▋";
  animation: stream-cursor-blink 0.6s step-end infinite;
  color: var(--accent, #ff8800);
}

@keyframes stream-cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* When the stream panel is visible, push workspace up */
body.stream-panel-open #workspace {
  height: calc(100vh - var(--titlebar-h) - 30vh);
}

/* ── Responsive ──────────────────────────────────────────────── */

@media (max-width: 800px) {
  /* On mobile the three panels stack vertically inside a flex column.
     Input and Activity get fixed heights; Output fills the rest and
     scrolls its own content.  The workspace itself does NOT scroll —
     all scrolling happens inside individual panels. */
  #workspace {
    flex-direction: column;
    overflow: hidden;
  }

  #left-column {
    width: 100%;
    flex: none;
    min-width: unset;
    display: contents; /* Hoist children into the workspace flex */
  }

  #input-panel {
    flex: none;
    min-height: unset;
    max-height: 30vh;
    order: 1;
  }
  #input-panel .window-body {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  #log-panel {
    flex: none;
    height: 25vh;
    min-height: unset;
    order: 2;
    overflow: hidden;
  }
  #log-panel .window-body {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  #h-resize {
    display: none;
  }

  #output-panel {
    flex: 1 1 0;
    min-width: unset;
    min-height: 0;
    order: 3;
    overflow: hidden;
  }
  #output-panel .window-body {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Titlebar: collapsible menu on mobile */
  #titlebar {
    flex-wrap: nowrap;
    position: relative;
  }

  #titlebar-center {
    position: static;
    transform: none;
    margin-left: auto;
  }

  /* Explore inline buttons: shrink on mobile */
  .explore-inline-btn {
    max-width: 120px;
    font-size: 12px;
    padding: 3px 8px;
  }

  /* Output tab bar: own row with horizontal scroll on mobile */
  #output-panel .window-title {
    flex-wrap: wrap;
    height: auto;
    padding-bottom: 0;
  }
  #output-panel .window-title-text {
    flex-basis: 100%;
  }
  #output-panel .window-controls {
    flex-basis: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;          /* Firefox */
    padding-bottom: 3px;
  }
  #output-panel .window-controls::-webkit-scrollbar {
    display: none;                  /* Chrome/Safari */
  }
  #output-tabs {
    gap: 4px;
  }
  #output-panel .tab-btn {
    font-size: 13px;
    padding: 5px 12px;
    flex-shrink: 0;
  }

  /* Stream panel: full width on mobile */
  .stream-panel {
    left: 0;
  }

  /* Toolbar popup: full-width on mobile for easy tapping */
  .toolbar-popup {
    position: fixed;
    top: auto !important;
    bottom: 0;
    left: 0 !important;
    right: 0 !important;
    border-radius: var(--radius, 4px) var(--radius, 4px) 0 0;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.5);
    padding: 8px 0;
    min-width: unset;
  }
  .toolbar-popup button {
    font-size: 15px;
    padding: 12px 18px;
  }
}

/* ── BYOK modal ─────────────────────────────────────────────── */

#byok-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9000;
}
#byok-modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}
#byok-modal .modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.55);
}
#byok-modal .modal-content {
  position: relative;
  width: min(380px, 90vw);
  height: auto;
  max-height: none;
}
#byok-modal .window-body {
  overflow-y: auto;
  padding: 12px 14px;
}

/* ── BYOK toolbar button (themed like other titlebar buttons) ── */

#byok-btn {
  font-family: var(--font);
  font-size: 11px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--chrome-lo);
  border-radius: var(--radius);
  padding: 2px 8px;
  cursor: pointer;
  white-space: nowrap;
}
#byok-btn:hover {
  border-color: var(--accent);
}

/* ── BYOK form elements ── */

.byok-form label {
  display: block;
  font-family: var(--font);
  font-size: 10px;
  color: var(--text);
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 3px;
  margin-top: 8px;
}
#byok-fields label:first-child {
  margin-top: 0;
}

/* Toggle row */
.byok-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 8px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--chrome-lo, #444);
}
.byok-toggle-label {
  font-family: var(--font);
  font-size: 12px;
  color: var(--text, #e0e0e0);
}

/* Toggle switch */
.byok-switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 18px;
  margin: 0;
  flex-shrink: 0;
}
.byok-switch input { opacity: 0; width: 0; height: 0; }
.byok-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--chrome-lo, #555);
  border-radius: 18px;
  transition: background .2s;
}
.byok-slider::before {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform .2s;
}
.byok-switch input:checked + .byok-slider {
  background: var(--accent, #7af);
}
.byok-switch input:checked + .byok-slider::before {
  transform: translateX(18px);
}

/* Dim fields when toggle is off but creds exist */
.byok-fields-dimmed {
  opacity: .4;
  pointer-events: none;
}

.byok-form select,
.byok-form input[type="text"],
.byok-form input[type="password"] {
  width: 100%;
  padding: 5px 8px;
  font-family: var(--font);
  font-size: 12px;
  background: var(--bg);
  border: 1px solid var(--chrome-lo);
  color: var(--text);
  border-radius: var(--radius);
  outline: none;
}
.byok-form select:focus,
.byok-form input:focus {
  border-color: var(--accent);
}
/* Override autofill styling so it doesn't clash with theme */
.byok-form input:-webkit-autofill {
  -webkit-box-shadow: 0 0 0 100px var(--bg) inset;
  -webkit-text-fill-color: var(--text);
}

.byok-key-wrap {
  display: flex;
  gap: 6px;
}
.byok-key-wrap input {
  flex: 1;
}
.byok-key-wrap button {
  background: var(--btn-bg);
  border: 1px solid var(--chrome-lo);
  color: var(--btn-fg);
  padding: 4px 8px;
  cursor: pointer;
  border-radius: var(--radius);
  font-size: 14px;
}
.byok-key-wrap button:hover {
  border-color: var(--accent);
}

.byok-hint {
  margin-top: 6px;
  font-size: 10px;
  color: var(--text);
  opacity: 0.55;
  line-height: 1.4;
}

.byok-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.btn-byok-apply,
.btn-byok-clear {
  flex: 1;
  padding: 6px 10px;
  font-family: var(--font);
  font-size: 12px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .12s, border-color .12s;
}
.btn-byok-apply {
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--accent);
}
.btn-byok-apply:hover {
  background: var(--btn-active);
  color: var(--titlebar-fg);
}
.btn-byok-clear {
  background: transparent;
  border: 1px solid var(--chrome-lo);
  color: var(--text);
  opacity: 0.8;
}
.btn-byok-clear:hover {
  border-color: var(--accent);
  opacity: 1;
}

.byok-status {
  margin-top: 6px;
  font-family: var(--font);
  font-size: 11px;
  min-height: 16px;
  color: var(--text);
  opacity: 0.7;
}
.byok-status.byok-ok {
  color: var(--accent);
  opacity: 1;
}
.byok-status.byok-error {
  color: #e55;
  opacity: 1;
}