style.css

/* ===== Ubuntu (GNOME / Yaru) reskin of the chrome desktop engine =====
   Same primitives as solid-apps/chrome + win98 — windows, panes, launcher,
   real-time, pod sync — wearing Ubuntu 24.04's Yaru look: dark top bar, the
   left dock, the aubergine desktop, rounded Adwaita windows, Ubuntu orange. */

/* Self-hosted Ubuntu font (UFL-licensed). */
@font-face{ font-family:Ubuntu; src:url("fonts/ubuntu-400.woff2") format("woff2"); font-weight:400; font-display:swap; }
@font-face{ font-family:Ubuntu; src:url("fonts/ubuntu-500.woff2") format("woff2"); font-weight:500; font-display:swap; }
@font-face{ font-family:Ubuntu; src:url("fonts/ubuntu-700.woff2") format("woff2"); font-weight:700; font-display:swap; }

:root {
  /* Yaru palette */
  --u-orange:    #E95420;
  --u-orange-2:  #F4754F;
  --u-aubergine: #2C001E;
  --u-purple:    #77216F;
  --u-dark:      #1e1e1e;
  --u-dark-2:    #2b2b2b;
  --u-win:       #ffffff;
  --u-win-2:     #f6f5f4;   /* Adwaita window background */
  --u-header:    #ebebeb;   /* Adwaita headerbar */
  --u-ink:       #2e2e2e;
  --u-ink-dim:   #5e5c64;
  --u-ink-faint: #9a9a96;
  --u-hairline:  rgba(0,0,0,0.12);

  /* Aliases — chrome's modules + launcher/quick-settings/lock all read these. */
  --bg:           var(--u-win-2);
  --text:         var(--u-ink);
  --text-dim:     var(--u-ink-dim);
  --text-faint:   var(--u-ink-faint);
  --text-on-accent:#ffffff;
  --line:         var(--u-hairline);
  --bg-elev:      var(--u-win);
  --bg-elev-2:    var(--u-win-2);
  --accent:       var(--u-orange);
  --accent-2:     var(--u-orange-2);
  --accent-soft:  rgba(233,84,32,0.15);
  --good:         #26a269;
  --danger:       #c01c28;
  --warning:      #e5a50a;
  --shadow:       0 10px 34px rgba(0,0,0,0.28), 0 2px 8px rgba(0,0,0,0.12);
  --tray-bg:      rgba(28,28,28,0.92);
  --tray-blur:    saturate(1.2) blur(16px);
  --shelf-bg:     rgba(28,28,28,0.82);
  --easing:       cubic-bezier(.2,.8,.2,1);
  --sans:         "Ubuntu", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono:         "Ubuntu Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}
[data-theme="dark"] {
  --bg: #242424; --text: #f6f5f4; --text-dim: #c0bfbc; --text-faint: #8b8a88;
  --line: rgba(255,255,255,0.12); --bg-elev: #303030; --bg-elev-2: #242424;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; padding: 0; overflow: hidden; }
body {
  font-family: var(--sans);
  color: var(--text);
  background: var(--u-aubergine);
  -webkit-font-smoothing: antialiased;
  user-select: none;
}

/* ===== Desktop wallpaper — the Ubuntu aubergine/purple ===== */
#wallpaper {
  position: fixed; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse at 70% 18%, rgba(233,84,32,0.30) 0%, transparent 45%),
    radial-gradient(ellipse at 22% 82%, rgba(119,33,111,0.55) 0%, transparent 55%),
    linear-gradient(135deg, #2C001E 0%, #4A0F33 45%, #77216F 100%);
  background-size: cover;
  transition: filter .8s var(--easing);
}
[data-theme="dark"] #wallpaper { filter: brightness(0.82); }
#wallpaper.wallpaper-custom { background-image: var(--wp-url); }

/* ===== GNOME top bar ===== */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 30;
  height: 28px;
  display: flex; align-items: center; gap: 6px;
  padding: 0 8px;
  background: var(--tray-bg);
  backdrop-filter: var(--tray-blur); -webkit-backdrop-filter: var(--tray-blur);
  color: #fff;
  font: 500 13px var(--sans);
}
.topbar .activities {
  display: inline-flex; align-items: center; gap: 7px;
  height: 22px; padding: 0 10px;
  background: transparent; border: none; border-radius: 6px;
  color: #fff; font: 700 13px var(--sans); cursor: pointer;
}
.topbar .activities:hover { background: rgba(255,255,255,0.14); }
.topbar .activities .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--u-orange); box-shadow: 9px 0 0 #fff, 18px 0 0 rgba(255,255,255,.5); }
.tray-spacer { flex: 1; }
.tray-clock { font: 500 13px var(--sans); color: #fff; padding: 0 10px; position: absolute; left: 50%; transform: translateX(-50%); }
.tray-desks { display: inline-flex; align-items: center; gap: 4px; }
.tray-desk { width: 18px; height: 7px; background: rgba(255,255,255,0.35); border: none; border-radius: 4px; cursor: pointer; padding: 0; transition: background .12s, width .15s; }
.tray-desk:hover { background: rgba(255,255,255,0.6); }
.tray-desk.active { background: var(--u-orange); width: 24px; }
.tray-desk-add { width: 16px; height: 16px; background: transparent; color: rgba(255,255,255,0.6); border: 1px dashed rgba(255,255,255,0.4); border-radius: 5px; cursor: pointer; padding: 0; font: 600 12px var(--sans); line-height: 1; }
.tray-desk-add:hover { color: #fff; border-color: #fff; }
.tray-pill {
  display: inline-flex; align-items: center; gap: 6px;
  height: 22px; padding: 0 10px;
  background: transparent; border: 1px solid transparent; border-radius: 6px;
  color: #fff; font: 500 13px var(--sans); cursor: pointer;
  transition: background .12s;
}
.tray-pill:hover { background: rgba(255,255,255,0.14); }
.tray-pill svg { display: block; }
.tray-auth-on { background: rgba(233,84,32,0.22); }
.tray-auth-on:hover { background: rgba(233,84,32,0.32); }

/* ===== Windows area (beside dock, below top bar) ===== */
.windows { position: fixed; inset: 28px 0 0 72px; z-index: 10; pointer-events: none; }
.windows > .window { pointer-events: auto; }

/* ===== Desktop icons (below top bar, right of dock) ===== */
.desktop-icons { position: fixed; inset: 28px 0 0 72px; z-index: 1; pointer-events: none; }
.desk-icon {
  position: absolute; width: 80px; pointer-events: auto;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 7px 4px; background: transparent; border: 1px solid transparent; border-radius: 10px;
  cursor: pointer; font: inherit; color: #fff; transition: background .1s;
}
.desk-icon:hover  { background: rgba(255,255,255,0.16); }
.desk-icon:active { background: rgba(255,255,255,0.24); }
.desk-icon-glyph { font-size: 32px; line-height: 1; filter: drop-shadow(0 1px 2px rgba(0,0,0,0.45)); }
.desk-icon-label { font: 500 12px var(--sans); text-align: center; color: #fff; text-shadow: 0 1px 3px rgba(0,0,0,0.75); max-width: 76px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ===== Left Ubuntu dock (the chrome "shelf", repositioned) ===== */
.dock {
  position: fixed; left: 0; top: 28px; bottom: 0; z-index: 30;
  width: 72px;
  display: flex; flex-direction: column; align-items: center;
  gap: 6px; padding: 8px 0;
  background: var(--shelf-bg);
  backdrop-filter: var(--tray-blur); -webkit-backdrop-filter: var(--tray-blur);
  border-right: 1px solid rgba(0,0,0,0.4);
}
.shelf-running { display: flex; flex-direction: column; align-items: center; gap: 6px; flex: 1; overflow-y: auto; overflow-x: hidden; width: 100%; }
.shelf-running::-webkit-scrollbar { width: 0; }
.shelf-empty { display: none; }   /* dock stays clean when empty */
.shelf-app {
  position: relative;
  display: grid; place-items: center;
  width: 48px; height: 48px; flex-shrink: 0; padding: 0;
  background: rgba(255,255,255,0.10);
  border: none; border-radius: 12px;
  color: #fff; cursor: pointer;
  transition: background .12s, transform .08s;
}
.shelf-app:hover { background: rgba(255,255,255,0.20); transform: scale(1.04); }
.shelf-app.active, .shelf-app.minimized { background: rgba(255,255,255,0.16); }
/* the Yaru running indicator — an orange pip on the left edge */
.shelf-app.active::before, .shelf-app.minimized::before {
  content: ""; position: absolute; left: -8px; top: 50%; transform: translateY(-50%);
  width: 4px; height: 18px; border-radius: 2px; background: var(--u-orange);
}
.shelf-app.minimized::before { height: 8px; opacity: 0.7; }
.shelf-app.builtin { background: rgba(233,84,32,0.22); }
.shelf-app.launching { opacity: 0.6; }
.shelf-app-icon { font-size: 24px; line-height: 1; }
.shelf-app-name { display: none; }   /* dock shows icons only; title via tooltip */
.shelf-sep { width: 36px; height: 1px; background: rgba(255,255,255,0.2); margin: 2px 0; flex-shrink: 0; }
/* "Show Applications" grid button pinned to the bottom of the dock */
.show-apps {
  width: 48px; height: 48px; flex-shrink: 0; margin-top: 4px;
  display: grid; place-items: center;
  background: rgba(255,255,255,0.10); border: none; border-radius: 12px;
  color: #fff; cursor: pointer; transition: background .12s;
}
.show-apps:hover { background: var(--u-orange); }

/* ===== Windows — rounded Adwaita ===== */
.window {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column;
  overflow: hidden;
  transition: box-shadow .15s var(--easing);
}
.window.win-active { box-shadow: 0 20px 48px rgba(0,0,0,0.34), 0 6px 14px rgba(0,0,0,0.18); }
.window.win-maximized { border-radius: 0; border: none; }

.win-titlebar {
  height: 38px;
  display: flex; align-items: center;
  padding: 0 8px 0 14px;
  background: var(--u-header);
  border-bottom: 1px solid var(--line);
  cursor: grab; user-select: none; flex-shrink: 0; touch-action: none;
}
[data-theme="dark"] .win-titlebar { background: #303030; }
.win-titlebar:active { cursor: grabbing; }
.win-title { flex: 1; display: flex; align-items: center; gap: 8px; min-width: 0; }
.win-icon { font-size: 15px; flex-shrink: 0; }
.win-title-text { font: 700 13px var(--sans); color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.win-actions { display: flex; align-items: center; gap: 8px; }
.win-act {
  width: 24px; height: 24px;
  display: grid; place-items: center;
  background: rgba(0,0,0,0.10); border: none; border-radius: 50%;
  color: var(--text-dim); font: 600 13px var(--sans); line-height: 1;
  cursor: pointer; transition: background .1s, color .1s;
}
[data-theme="dark"] .win-act { background: rgba(255,255,255,0.12); }
.win-act:hover { background: rgba(0,0,0,0.18); color: var(--text); }
.win-close:hover { background: var(--danger); color: #fff; }
.win-content { flex: 1; overflow: auto; background: var(--bg-elev); }
.win-error { padding: 14px 18px; background: rgba(192,28,40,0.08); border-bottom: 1px solid var(--line); color: var(--danger); font: 13px var(--mono); }

/* Resize handles + snap preview */
.win-resize { position: absolute; touch-action: none; }
.win-n { top: -3px; left: 8px; right: 8px; height: 6px; cursor: ns-resize; }
.win-s { bottom: -3px; left: 8px; right: 8px; height: 6px; cursor: ns-resize; }
.win-e { top: 8px; bottom: 8px; right: -3px; width: 6px; cursor: ew-resize; }
.win-w { top: 8px; bottom: 8px; left: -3px; width: 6px; cursor: ew-resize; }
.win-ne { top: -4px; right: -4px; width: 12px; height: 12px; cursor: nesw-resize; }
.win-nw { top: -4px; left: -4px; width: 12px; height: 12px; cursor: nwse-resize; }
.win-se { bottom: -4px; right: -4px; width: 12px; height: 12px; cursor: nwse-resize; }
.win-sw { bottom: -4px; left: -4px; width: 12px; height: 12px; cursor: nwse-resize; }
.window.win-maximized .win-resize { display: none; }
.win-snap-preview {
  position: fixed; z-index: 50;
  background: rgba(233,84,32,0.18);
  border: 2px dashed var(--u-orange);
  border-radius: 12px; pointer-events: none; opacity: 0;
  transition: opacity .12s var(--easing), left .12s var(--easing), top .12s var(--easing), width .12s var(--easing), height .12s var(--easing);
}

/* ===== Launcher overlay — GNOME "Show Applications" grid ===== */
.launcher-overlay {
  position: fixed; inset: 0; z-index: 60;
  display: grid; place-items: start center;
  padding-top: 76px;
  background: rgba(44,0,30,0.55);
  backdrop-filter: saturate(1.2) blur(22px); -webkit-backdrop-filter: saturate(1.2) blur(22px);
  animation: launcher-fade .15s var(--easing);
}
@keyframes launcher-fade { from { opacity: 0; } to { opacity: 1; } }
.launcher-card {
  width: min(92vw, 900px); max-height: calc(100vh - 120px);
  display: flex; flex-direction: column;
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: 16px; box-shadow: 0 24px 60px rgba(0,0,0,0.4);
  overflow: hidden; animation: launcher-pop .2s var(--easing);
}
@keyframes launcher-pop { from { transform: translateY(8px) scale(.98); opacity: 0; } to { transform: none; opacity: 1; } }
.launcher-search { display: flex; align-items: center; gap: 10px; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.launcher-search-icon { width: 18px; height: 18px; color: var(--text-faint); flex-shrink: 0; }
.launcher-input { flex: 1; background: transparent; border: none; outline: none; font: 500 18px var(--sans); color: var(--text); }
.launcher-input::placeholder { color: var(--text-faint); }
.launcher-hint { font: 11px var(--mono); color: var(--text-faint); background: var(--bg-elev-2); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; }
.launcher-grid { flex: 1; overflow-y: auto; padding: 18px; display: grid; grid-template-columns: repeat(auto-fill, minmax(132px, 1fr)); gap: 8px; align-content: start; }
.launcher-app { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 18px 10px 14px; background: transparent; border: 1px solid transparent; border-radius: 12px; cursor: pointer; font: inherit; color: var(--text); transition: background .12s, border-color .12s, transform .08s; position: relative; }
.launcher-app:hover, .launcher-app:focus { background: var(--bg-elev-2); border-color: var(--line); outline: none; }
.launcher-app:active { transform: scale(0.97); }
.launcher-app-icon { width: 56px; height: 56px; display: grid; place-items: center; font-size: 32px; background: var(--bg-elev-2); border-radius: 16px; }
.launcher-app:hover .launcher-app-icon { background: var(--accent-soft); }
.launcher-app-name { font: 500 13px var(--sans); text-align: center; line-height: 1.3; }
.launcher-app-author { font: 11px var(--mono); color: var(--text-faint); }
.launcher-app.pinned .launcher-app-icon { box-shadow: 0 0 0 2px var(--accent); }
.launcher-pin { position: absolute; top: 6px; right: 6px; width: 26px; height: 26px; display: grid; place-items: center; background: transparent; border: none; border-radius: 50%; color: var(--text-faint); font-size: 16px; line-height: 1; cursor: pointer; opacity: 0; transition: opacity .12s, color .12s, background .12s; }
.launcher-app:hover .launcher-pin, .launcher-pin.on { opacity: 1; }
.launcher-pin:hover { background: var(--bg-elev-2); color: var(--accent); }
.launcher-pin.on { color: var(--accent); }
.launcher-status { grid-column: 1 / -1; text-align: center; padding: 32px 16px; color: var(--text-faint); font: 13px var(--sans); }
.launcher-status.err { color: var(--danger); font-family: var(--mono); }
.launcher-foot { padding: 10px 18px; border-top: 1px solid var(--line); font: 11px var(--mono); color: var(--text-faint); }

/* ===== Quick settings popover ===== */
.quick-settings { position: fixed; z-index: 70; width: 320px; background: var(--bg-elev); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 16px 40px rgba(0,0,0,0.22); padding: 12px; display: flex; flex-direction: column; gap: 10px; animation: qs-pop .12s var(--easing); }
@keyframes qs-pop { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; } }
.qs-row { display: flex; align-items: center; gap: 10px; }
.qs-row.qs-stack { flex-direction: column; align-items: stretch; gap: 6px; }
.qs-label { flex: 0 0 80px; font: 500 13px var(--sans); color: var(--text-dim); }
.qs-row.qs-stack .qs-label { flex: 0 0 auto; }   /* in a vertical stack, hug the text (don't become 80px tall) */
.qs-seg { display: inline-flex; gap: 0; }
.qs-seg button { background: var(--bg-elev-2); border: 1px solid var(--line); color: var(--text-dim); padding: 5px 14px; font: 13px var(--sans); cursor: pointer; }
.qs-seg button:first-child { border-radius: 7px 0 0 7px; }
.qs-seg button:last-child { border-radius: 0 7px 7px 0; border-left: none; }
.qs-seg button.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.qs-input-row { display: flex; gap: 6px; }
.qs-input-row input { flex: 1; background: var(--bg-elev-2); border: 1px solid var(--line); border-radius: 7px; padding: 6px 10px; font: 13px var(--mono); color: var(--text); outline: none; min-width: 0; }
.qs-input-row input:focus { border-color: var(--accent); }
.qs-btn { background: var(--accent); color: #fff; border: none; border-radius: 7px; padding: 6px 14px; font: 500 13px var(--sans); cursor: pointer; }
.qs-btn:hover { filter: brightness(1.05); }
.qs-btn.qs-ghost { background: var(--bg-elev-2); color: var(--text-dim); border: 1px solid var(--line); }
.qs-btn.qs-wide { width: 100%; padding: 8px; }
.qs-hint { font: 11px var(--mono); color: var(--text-faint); }
.qs-foot { padding-top: 8px; border-top: 1px solid var(--line); font: 11px var(--mono); color: var(--text-faint); }
.qs-foot code { word-break: break-all; }

/* ===== Lock screen ===== */
.lock-overlay { position: fixed; inset: 0; z-index: 1000; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; background: rgba(44,0,30,0.6); backdrop-filter: saturate(1.2) blur(28px); -webkit-backdrop-filter: saturate(1.2) blur(28px); color: #fff; cursor: pointer; user-select: none; animation: lock-fade-in .25s var(--easing); }
@keyframes lock-fade-in { from { opacity: 0; } to { opacity: 1; } }
.lock-overlay.lock-fading { opacity: 0; transition: opacity .25s var(--easing); }
.lock-clock { font: 300 96px/1 var(--sans); letter-spacing: -0.03em; }
.lock-date { font: 400 18px var(--sans); opacity: 0.85; margin-top: 8px; }
.lock-user { font: 13px var(--mono); opacity: 0.6; margin-top: 18px; }
.lock-hint { font: 12px var(--mono); opacity: 0.5; margin-top: 24px; }