/* SaiOS desktop shell: wallpaper, menu bar, Dock, widgets, windows and system overlays. */

.os {
  position: fixed;
  inset: 0;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  color: var(--text);
}

.os input,
.os textarea,
.os [contenteditable],
.os .selectable,
.os .doc,
.os .terminal-output,
.os .folio-message {
  user-select: text;
  -webkit-user-select: text;
}

/* ---------- Wallpaper ---------- */

.wallpaper {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: var(--sky-3, #1c2340);
}

.wallpaper svg {
  width: 100%;
  height: 100%;
  display: block;
}

.wallpaper .wp-sky-1 { stop-color: var(--sky-1); transition: stop-color 1.2s var(--ease); }
.wallpaper .wp-sky-2 { stop-color: var(--sky-2); transition: stop-color 1.2s var(--ease); }
.wallpaper .wp-sky-3 { stop-color: var(--sky-3); transition: stop-color 1.2s var(--ease); }
.wallpaper .wp-sun { fill: var(--sun); opacity: var(--sun-o); transition: fill 1.2s var(--ease), opacity 1.2s var(--ease); }
.wallpaper .wp-glow { stop-color: var(--sun); transition: stop-color 1.2s var(--ease); }
.wallpaper .wp-sun-glow { opacity: var(--sun-o); transition: opacity 1.2s var(--ease); }
.wallpaper .wp-stars { opacity: var(--stars); transition: opacity 1.2s var(--ease); }
.wallpaper .wp-h1 { fill: var(--h1); transition: fill 1.2s var(--ease); }
.wallpaper .wp-h2 { fill: var(--h2); transition: fill 1.2s var(--ease); }
.wallpaper .wp-h3 { fill: var(--h3); transition: fill 1.2s var(--ease); }
.wallpaper .wp-h4 { fill: var(--h4); transition: fill 1.2s var(--ease); }
.wallpaper .wp-h5 { fill: var(--h5); transition: fill 1.2s var(--ease); }

[data-palette="dawn"] {
  --sky-1: #3a4a93; --sky-2: #b88bc6; --sky-3: #ffc7a2; --sun: #fff0d2; --sun-o: 0.95; --stars: 0;
  --h1: #a598d8; --h2: #8479c7; --h3: #665cb1; --h4: #4a4197; --h5: #2f2a70;
}
[data-palette="day"] {
  --sky-1: #1f6fd6; --sky-2: #62abf2; --sky-3: #cfe8ff; --sun: #ffffff; --sun-o: 0.75; --stars: 0;
  --h1: #93c9f0; --h2: #62a8e4; --h3: #3f87d3; --h4: #2a68b9; --h5: #1b4b93;
}
[data-palette="dusk"] {
  --sky-1: #2a1d58; --sky-2: #b14b7b; --sky-3: #ff9e6b; --sun: #ffd6a0; --sun-o: 0.95; --stars: 0.25;
  --h1: #c46b90; --h2: #924b87; --h3: #643b7d; --h4: #412a67; --h5: #27194b;
}
[data-palette="night"] {
  --sky-1: #04071a; --sky-2: #101a42; --sky-3: #2a3469; --sun: #e3e9ff; --sun-o: 0.85; --stars: 1;
  --h1: #313b70; --h2: #252d5b; --h3: #1b2249; --h4: #121835; --h5: #0a0e23;
}
[data-palette="graphite"] {
  --sky-1: #202226; --sky-2: #3f434a; --sky-3: #7d828c; --sun: #f2f3f5; --sun-o: 0.35; --stars: 0.15;
  --h1: #6f747d; --h2: #585c64; --h3: #43464d; --h4: #2f3237; --h5: #1c1e22;
}

/* ---------- Menu bar ---------- */

.menubar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2100;
  height: var(--menubar-h);
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 8px;
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  text-shadow: 0 0.5px 2px rgba(0, 0, 0, 0.28);
  background: linear-gradient(to bottom, rgba(10, 12, 24, 0.28), rgba(10, 12, 24, 0.12));
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  backdrop-filter: blur(24px) saturate(160%);
}

.menubar-group {
  display: flex;
  align-items: center;
  gap: 1px;
  height: 100%;
}

.menubar-group--right {
  margin-left: auto;
  gap: 2px;
}

.mb-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 22px;
  padding: 0 9px;
  border-radius: 6px;
  white-space: nowrap;
  color: inherit;
}

.mb-item:hover,
.mb-item[aria-expanded="true"] {
  background: rgba(255, 255, 255, 0.2);
}

.mb-item:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.85);
  outline-offset: 0;
}

.mb-item--app {
  font-weight: 700;
}

.mb-logo {
  width: 30px;
  justify-content: center;
  padding: 0;
}

.mb-logo .monogram {
  display: grid;
  place-items: center;
  width: 17px;
  height: 17px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.95);
  color: #1a1c2c;
  font-size: 11px;
  font-weight: 800;
  text-shadow: none;
  letter-spacing: -0.02em;
}

.mb-status {
  padding: 0 7px;
}

.mb-clock {
  font-variant-numeric: tabular-nums;
  padding: 0 9px;
}

/* ---------- Menus and popovers ---------- */

.menu {
  position: fixed;
  z-index: 3000;
  min-width: 232px;
  max-width: 320px;
  padding: 5px;
  border-radius: 12px;
  color: var(--text);
  font-size: 13px;
  background: var(--menu-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  box-shadow: inset 0 0.5px 0 var(--glass-shine), 0 0 0 0.5px var(--hairline-2), var(--shadow-lg);
  transform-origin: top left;
  animation: menu-in 0.12s var(--ease);
  text-shadow: none;
}

@keyframes menu-in {
  from { opacity: 0; transform: scale(0.97) translateY(-2px); }
}

.menu-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 24px;
  padding: 2px 10px 2px 24px;
  border-radius: 7px;
  text-align: left;
  color: var(--text);
  white-space: nowrap;
}

.menu-item:hover,
.menu-item:focus-visible,
.menu-item.is-active {
  background: var(--accent);
  color: var(--text-on-accent);
  outline: none;
}

.menu-item[aria-disabled="true"] {
  opacity: 0.4;
  pointer-events: none;
}

.menu-item .menu-check {
  position: absolute;
  left: 7px;
  width: 12px;
  height: 12px;
}

.menu-item .menu-shortcut {
  margin-left: auto;
  padding-left: 18px;
  color: var(--text-3);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.menu-item:hover .menu-shortcut,
.menu-item:focus-visible .menu-shortcut {
  color: rgba(255, 255, 255, 0.85);
}

.menu-sep {
  height: 1px;
  margin: 5px 10px;
  background: var(--hairline);
}

.menu-label {
  padding: 5px 10px 3px 24px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-3);
}

.popover {
  position: fixed;
  z-index: 3000;
  padding: 14px;
  border-radius: 18px;
  color: var(--text);
  background: var(--menu-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  box-shadow: inset 0 0.5px 0 var(--glass-shine), 0 0 0 0.5px var(--hairline-2), var(--shadow-lg);
  animation: menu-in 0.14s var(--ease);
  text-shadow: none;
}

/* Notification Center (opened from the clock) */
.nc-pop {
  width: 360px;
  display: grid;
  gap: 10px;
}

.nc-date {
  margin: 0;
  padding: 0 4px 2px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
}

/* Control Center */
.cc {
  width: 332px;
  display: grid;
  gap: 10px;
}

.cc-tile {
  padding: 12px;
  border-radius: 16px;
  background: var(--fill);
  display: grid;
  gap: 10px;
}

.cc-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
}

.cc-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.cc-swatches {
  display: flex;
  gap: 9px;
}

.cc-swatch {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--sw);
  box-shadow: inset 0 0 0 0.5px rgba(0, 0, 0, 0.2);
  display: grid;
  place-items: center;
  color: #fff;
}

.cc-swatch[aria-checked="true"] {
  box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px var(--sw);
}

.cc-walls {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.cc-wall {
  display: grid;
  gap: 5px;
  font-size: 11px;
  color: var(--text-2);
  text-align: center;
}

.cc-wall .cc-wall-thumb {
  height: 44px;
  border-radius: 9px;
  overflow: hidden;
  background: linear-gradient(180deg, var(--sky-1), var(--sky-2) 55%, var(--h3) 56%, var(--h5));
  box-shadow: inset 0 0 0 0.5px rgba(0, 0, 0, 0.18);
}

.cc-wall .cc-wall-thumb--dynamic {
  background: linear-gradient(90deg, #ffc7a2, #62abf2 30%, #b14b7b 65%, #101a42);
}

.cc-wall[aria-checked="true"] .cc-wall-thumb {
  box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px var(--accent);
}

.cc-wall[aria-checked="true"] {
  color: var(--text);
  font-weight: 600;
}

.cc-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 10px;
  border-radius: 12px;
  text-align: left;
  font-weight: 500;
}

.cc-toggle:hover {
  background: var(--fill);
}

.cc-toggle .cc-dot {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--fill-2);
  color: var(--text-2);
}

.cc-toggle[aria-checked="true"] .cc-dot {
  background: var(--accent);
  color: #fff;
}

.cc-toggle small {
  display: block;
  color: var(--text-3);
  font-size: 11px;
  font-weight: 400;
}

/* ---------- Desktop surface ---------- */

.desktop {
  position: absolute;
  inset: var(--menubar-h) 0 0 0;
  z-index: 1;
}

.widgets {
  position: absolute;
  top: 18px;
  left: 18px;
  width: 332px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.widget {
  position: relative;
  padding: 16px;
  border-radius: 22px;
  color: var(--text);
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  box-shadow: inset 0 0.5px 0 var(--glass-shine), inset 0 0 0 0.5px var(--glass-edge), var(--shadow-md);
}

.widget {
  grid-template-columns: minmax(0, 1fr);
}

.widget-profile {
  display: grid;
  gap: 12px;
}

.wp-head {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
  align-items: center;
}

.wp-photo {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.7), var(--shadow-sm);
}

.wp-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.wp-role {
  margin: 3px 0 0;
  font-size: 12.5px;
  color: var(--text-2);
}

.wp-headline {
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
  color: var(--text);
}

.wp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.wp-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.wp-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-2);
}

.wp-links {
  display: flex;
  gap: 4px;
}

.wp-links .btn-icon {
  width: 30px;
  min-height: 30px;
  color: var(--text);
}

.widget-project {
  padding: 10px;
  display: grid;
  gap: 10px;
}

.widget-project .cover {
  border-radius: 14px;
}

.wpj-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 6px 4px;
}

.wpj-text {
  flex: 1;
  min-width: 0;
}

.wpj-text h2 {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
}

.wpj-text p {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--text-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.desktop-icons {
  position: absolute;
  top: 14px;
  right: 14px;
  display: grid;
  gap: 8px;
  justify-items: center;
}

.desktop-icon {
  display: grid;
  justify-items: center;
  gap: 5px;
  width: 96px;
  padding: 6px 4px 8px;
  border-radius: 10px;
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.65);
}

.desktop-icon .di-art {
  display: grid;
  place-items: center;
  width: 70px;
  height: 64px;
  border-radius: 8px;
}

.desktop-icon .di-label {
  max-width: 100%;
  padding: 1px 6px;
  border-radius: 5px;
  text-align: center;
  line-height: 1.25;
}

.desktop-icon:hover .di-art {
  background: rgba(0, 0, 0, 0.12);
}

.desktop-icon.is-selected .di-art {
  background: rgba(0, 0, 0, 0.26);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.28);
}

.desktop-icon.is-selected .di-label {
  background: var(--accent);
  text-shadow: none;
}

.folder-icon,
.doc-icon {
  filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.18));
}

/* ---------- Windows ---------- */

.windows {
  position: absolute;
  inset: 0;
  z-index: 10;
  pointer-events: none;
}

.window {
  position: absolute;
  display: flex;
  flex-direction: column;
  min-width: 320px;
  min-height: 200px;
  border-radius: var(--radius-window);
  pointer-events: auto;
  box-shadow: var(--shadow-window-idle);
  transition: box-shadow 0.2s var(--ease);
  contain: layout;
}

.window.is-focused {
  box-shadow: var(--shadow-window);
}

.window.is-zooming {
  transition: left 0.28s var(--ease), top 0.28s var(--ease), width 0.28s var(--ease), height 0.28s var(--ease), box-shadow 0.2s var(--ease);
}

.window-frame {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-radius: inherit;
  overflow: hidden;
  background: var(--window-bg);
}

/* Finder's frame is frosted glass; its sidebar floats on it and the content stays solid. */
.window[data-app="finder"] .window-frame {
  background: var(--window-glass);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
}

.traffic {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 6;
  display: flex;
  gap: 8px;
}

.traffic button {
  display: grid;
  place-items: center;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--tl-off);
  box-shadow: inset 0 0 0 0.5px rgba(0, 0, 0, 0.16);
  color: rgba(0, 0, 0, 0.62);
}

.traffic button svg {
  width: 8px;
  height: 8px;
  opacity: 0;
  stroke-width: 3;
}

.window.is-focused .tl-close,
.traffic:hover .tl-close { background: var(--tl-red); }
.window.is-focused .tl-min,
.traffic:hover .tl-min { background: var(--tl-yellow); }
.window.is-focused .tl-zoom,
.traffic:hover .tl-zoom { background: var(--tl-green); }

.traffic:hover button svg,
.traffic:focus-within button svg {
  opacity: 1;
}

.traffic button[disabled] {
  background: var(--tl-off) !important;
}

.traffic button[disabled] svg {
  opacity: 0 !important;
}

.traffic button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 50%;
}

.titlebar {
  position: relative;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 46px;
  padding: 0 10px 0 88px;
  border-bottom: 0.5px solid var(--hairline);
  background: var(--toolbar-bg);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
}

.window.is-focused .titlebar {
  color: var(--text);
}

.titlebar-title {
  flex: 1;
  min-width: 0;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Without actions, balance the traffic lights so the title stays centered. */
.titlebar:not(:has(.titlebar-actions)) {
  padding-right: 88px;
}

.titlebar-actions {
  flex: none;
  display: flex;
  gap: 6px;
}

.window-body {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.resize-handle {
  position: absolute;
  z-index: 8;
  touch-action: none;
}

/* Let touch drags move windows instead of panning the page. */
.window [data-drag] {
  touch-action: none;
}

.rh-n { top: -4px; left: 10px; right: 10px; height: 8px; cursor: ns-resize; }
.rh-s { bottom: -4px; left: 10px; right: 10px; height: 8px; cursor: ns-resize; }
.rh-e { right: -4px; top: 10px; bottom: 10px; width: 8px; cursor: ew-resize; }
.rh-w { left: -4px; top: 10px; bottom: 10px; width: 8px; cursor: ew-resize; }
.rh-ne { right: -5px; top: -5px; width: 14px; height: 14px; cursor: nesw-resize; }
.rh-nw { left: -5px; top: -5px; width: 14px; height: 14px; cursor: nwse-resize; }
.rh-se { right: -5px; bottom: -5px; width: 14px; height: 14px; cursor: nwse-resize; }
.rh-sw { left: -5px; bottom: -5px; width: 14px; height: 14px; cursor: nesw-resize; }

.is-dragging,
.is-dragging * {
  cursor: default !important;
}

.is-resizing .window-frame,
.is-dragging .window-frame {
  pointer-events: none;
}

/* ---------- Dock ---------- */

.dock-wrap {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  display: flex;
  justify-content: center;
  pointer-events: none;
  padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px));
}

.dock {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  padding: 6px 8px 7px;
  border-radius: 24px;
  pointer-events: auto;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.04)), var(--dock-bg);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
  backdrop-filter: blur(30px) saturate(180%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    inset 0 0 0 1px rgba(255, 255, 255, 0.16),
    inset 0 -1px 0 rgba(0, 0, 0, 0.08),
    0 14px 40px rgba(0, 0, 0, 0.3),
    0 3px 10px rgba(0, 0, 0, 0.16);
}

.dock-item {
  --s: 54px;
  position: relative;
  width: var(--s);
  height: var(--s);
  flex: none;
  transition: width 0.12s var(--ease), height 0.12s var(--ease);
}

.dock.is-magnifying .dock-item {
  transition: width 0.06s linear, height 0.06s linear;
}

.dock-item .app-icon {
  width: 100%;
  height: 100%;
  --size: var(--s);
}

.dock-item:active .app-icon {
  filter: brightness(0.82) var(--icon-shadow);
}

.dock-item.is-running::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -5px;
  width: 4px;
  height: 4px;
  margin-left: -2px;
  border-radius: 50%;
  background: var(--dock-dot);
}

.dock-item.is-bouncing {
  animation: dock-bounce 0.62s var(--ease) 2;
}

@keyframes dock-bounce {
  0%, 100% { transform: translateY(0); }
  40% { transform: translateY(-18px); }
  70% { transform: translateY(0); }
  85% { transform: translateY(-4px); }
}

.dock-tip {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 12px);
  transform: translateX(-50%);
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 500;
  white-space: nowrap;
  color: var(--text);
  background: var(--menu-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  box-shadow: 0 0 0 0.5px var(--hairline-2), var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.12s var(--ease);
}

.dock-item:hover .dock-tip,
.dock-item:focus-visible .dock-tip {
  opacity: 1;
}

.dock-sep {
  align-self: center;
  width: 1px;
  height: 44px;
  margin: 0 5px;
  background: linear-gradient(180deg, transparent, var(--hairline-2) 18%, var(--hairline-2) 82%, transparent);
}

/* Projects stack popover */
.stack-pop {
  width: 440px;
  padding: 12px;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

.stack-item {
  display: grid;
  gap: 5px;
  justify-items: center;
  padding: 6px 4px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
  text-align: center;
  line-height: 1.2;
  color: var(--text);
}

.stack-item:hover,
.stack-item:focus-visible {
  background: var(--fill);
}

.stack-item .cover {
  width: 64px;
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}

.stack-foot {
  display: flex;
  justify-content: center;
  margin-top: 10px;
}

/* ---------- Notification cards ---------- */

.note-card {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 10px;
  padding: 12px 14px;
  border-radius: 18px;
  color: var(--text);
  background: var(--fill);
}

.note-card .app-icon {
  --size: 38px;
}

.note-head {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-size: 12px;
  color: var(--text-3);
}

.note-head strong {
  color: var(--text-2);
  font-size: 12px;
  font-weight: 600;
}

.note-body {
  margin: 2px 0 0;
  font-size: 13px;
  line-height: 1.4;
  color: var(--text-2);
}

.note-actions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

/* Unread badge on a Dock icon */
.dock-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  display: grid;
  place-items: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  background: #ff3b30;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 0 0 1.5px rgba(255, 255, 255, 0.85);
  pointer-events: none;
  animation: badge-in 0.3s var(--ease-spring);
}

@keyframes badge-in {
  from { transform: scale(0); }
}

/* ---------- Spotlight ---------- */

.spotlight-layer {
  position: fixed;
  inset: 0;
  z-index: 4000;
  display: grid;
  justify-items: center;
  align-content: start;
  padding: 16vh 16px 16px;
  background: color-mix(in srgb, var(--scrim) 40%, transparent);
  animation: fade-in 0.12s var(--ease);
}

@keyframes fade-in {
  from { opacity: 0; }
}

.spotlight {
  width: min(720px, 100%);
  display: grid;
  gap: 10px;
  animation: spot-in 0.18s var(--ease);
}

@keyframes spot-in {
  from { opacity: 0; transform: translateY(-8px) scale(0.985); }
}

.spotlight-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 58px;
  padding: 0 22px;
  border-radius: 999px;
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  box-shadow: inset 0 0.5px 0 var(--glass-shine), 0 0 0 0.5px var(--hairline-2), var(--shadow-lg);
  color: var(--text-3);
}

.spotlight-bar input {
  flex: 1;
  min-width: 0;
  height: 100%;
  border: 0;
  background: transparent;
  font-size: 22px;
  font-weight: 400;
  color: var(--text);
  letter-spacing: -0.01em;
}

.spotlight-bar input::placeholder {
  color: var(--text-3);
}

.spotlight-bar input:focus-visible {
  outline: none;
}

.spotlight-panel {
  display: grid;
  grid-template-columns: minmax(0, 330px) minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr) auto;
  max-height: min(470px, 62vh);
  border-radius: 24px;
  overflow: hidden;
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  box-shadow: inset 0 0.5px 0 var(--glass-shine), 0 0 0 0.5px var(--hairline-2), var(--shadow-lg);
}

.spotlight-list {
  padding: 8px;
  overflow: auto;
  scrollbar-width: thin;
}

.sl-group {
  padding: 8px 10px 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-3);
}

.sl-item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 6px 10px;
  border-radius: 12px;
  text-align: left;
  color: var(--text);
}

.sl-item[aria-selected="true"] {
  background: var(--accent);
  color: var(--text-on-accent);
}

.sl-item .sl-icon {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  color: var(--text-2);
  background: var(--fill);
  overflow: hidden;
}

.sl-item .sl-icon .app-icon {
  --size: 30px;
}

.sl-item .sl-icon .cover {
  width: 30px;
  height: 30px;
  aspect-ratio: auto;
  border-radius: 8px;
}

.sl-item .sl-icon img {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

.sl-item[aria-selected="true"] .sl-icon {
  color: var(--text-on-accent);
  background: rgba(255, 255, 255, 0.2);
}

.sl-title {
  display: block;
  font-size: 13.5px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sl-sub {
  display: block;
  font-size: 11.5px;
  color: var(--text-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sl-item[aria-selected="true"] .sl-sub {
  color: rgba(255, 255, 255, 0.82);
}

.spotlight-preview {
  padding: 20px;
  border-left: 0.5px solid var(--hairline);
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 12px;
}

.spotlight-preview h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.spotlight-preview p {
  margin: 0;
  color: var(--text-2);
  line-height: 1.5;
}

.spotlight-preview .sp-kv {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  font-size: 12px;
}

.spotlight-preview .sp-kv dt {
  color: var(--text-3);
}

.spotlight-preview .sp-kv dd {
  margin: 0;
}

.spotlight-empty {
  padding: 26px;
  color: var(--text-3);
  text-align: center;
}

.spotlight-hints {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
  gap: 16px;
  padding: 8px 16px;
  border-top: 0.5px solid var(--hairline);
  font-size: 11.5px;
  color: var(--text-3);
}

.spotlight-hints span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* ---------- Quick Look ---------- */

.ql-layer {
  position: fixed;
  inset: 0;
  z-index: 4100;
  display: grid;
  place-items: center;
  padding: 44px 24px 24px;
  background: var(--scrim);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  animation: fade-in 0.15s var(--ease);
}

.ql {
  width: min(900px, 100%);
  max-height: 100%;
  display: flex;
  flex-direction: column;
  border-radius: 22px;
  overflow: hidden;
  background: var(--window-bg);
  box-shadow: var(--shadow-window);
  animation: ql-in 0.24s var(--ease-spring);
}

@keyframes ql-in {
  from { opacity: 0; transform: scale(0.94); }
}

.ql-head {
  flex: none;
  display: flex;
  align-items: center;
  gap: 8px;
  height: 52px;
  padding: 0 12px 0 14px;
  border-bottom: 0.5px solid var(--hairline);
  background: var(--toolbar-bg);
}

.ql-title {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 600;
  overflow: hidden;
}

.ql-title span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ql-count {
  font-size: 12px;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
}

.ql-body {
  flex: 1;
  min-height: 0;
}

/* ---------- Time Machine ---------- */

.tm {
  position: fixed;
  inset: 0;
  z-index: 4200;
  overflow: hidden;
  color: #fff;
  background: radial-gradient(120% 90% at 50% 110%, #253a8f 0%, #0d1540 42%, #04050f 100%);
  animation: fade-in 0.35s var(--ease);
}

.tm canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.tm-head {
  position: absolute;
  top: 18px;
  left: 0;
  right: 0;
  text-align: center;
  pointer-events: none;
}

.tm-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.92);
}

.tm-head p {
  margin: 4px 0 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

.tm-stage {
  position: absolute;
  inset: 70px 200px 110px 60px;
  perspective: 1500px;
  perspective-origin: 50% 20%;
}

.tm-card {
  position: absolute;
  left: 50%;
  top: 56%;
  width: min(720px, 100%);
  border-radius: 16px;
  color: var(--text);
  background: var(--window-bg);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), 0 0 0 0.5px rgba(255, 255, 255, 0.15);
  transform-origin: 50% 0;
  transform: translate(-50%, -50%) translate3d(0, calc(var(--d) * -78px), calc(var(--d) * -260px));
  opacity: clamp(0, calc(1 - var(--d) * 0.2), 1);
  filter: brightness(calc(1 - var(--d) * 0.12));
  transition: transform 0.6s var(--ease), opacity 0.6s var(--ease), filter 0.6s var(--ease);
  overflow: hidden;
}

.tm-card[data-past="true"] {
  opacity: 0;
  transform: translate(-50%, -50%) translate3d(0, 140px, 260px);
  pointer-events: none;
}

.tm-card-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 38px;
  padding: 0 14px;
  border-bottom: 0.5px solid var(--hairline);
  background: var(--toolbar-bg);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-2);
}

.tm-card-bar .dots {
  display: flex;
  gap: 6px;
}

.tm-card-bar .dots i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--tl-off);
}

.tm-card-bar span {
  flex: 1;
  min-width: 0;
  text-align: center;
  margin-right: 40px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tm-card-body {
  padding: 18px 22px 20px;
  max-height: 46vh;
  overflow: auto;
}

.tm-timeline {
  position: absolute;
  top: 72px;
  bottom: 110px;
  right: 22px;
  width: 160px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-end;
}

.tm-timeline::before {
  content: "";
  position: absolute;
  right: 5px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.12));
}

.tm-tick {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 0;
  font-size: 12px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
  text-align: right;
}

.tm-tick::after {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.08);
  transition: background-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.tm-tick:hover {
  color: #fff;
}

.tm-tick[aria-current="true"] {
  color: #fff;
  font-weight: 700;
}

.tm-tick[aria-current="true"]::after {
  background: #4ee1a0;
  transform: scale(1.15);
  box-shadow: 0 0 0 4px rgba(78, 225, 160, 0.25), 0 0 18px rgba(78, 225, 160, 0.6);
}

.tm-arrows {
  position: absolute;
  right: 200px;
  top: 50%;
  display: grid;
  gap: 8px;
  transform: translateY(-50%);
}

.tm-arrows button,
.tm-bottom .btn {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 0.5px 0 rgba(255, 255, 255, 0.3);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.tm-arrows button {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
}

.tm-arrows button:hover,
.tm-bottom .btn:hover {
  background: rgba(255, 255, 255, 0.24);
}

.tm-arrows button[disabled] {
  opacity: 0.3;
}

.tm-bottom {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 26px;
  display: flex;
  justify-content: center;
  gap: 12px;
}

.tm-bottom .btn {
  min-width: 132px;
  min-height: 34px;
}

/* ---------- Lock, shut down, hello ---------- */

.system-screen {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: grid;
  place-items: center;
  color: #fff;
  text-align: center;
  animation: fade-in 0.4s var(--ease);
}

.lock {
  -webkit-backdrop-filter: blur(30px) saturate(140%);
  backdrop-filter: blur(30px) saturate(140%);
  background: rgba(8, 10, 24, 0.22);
  grid-template-rows: 1fr auto;
  padding: 12vh 20px 8vh;
}

.lock-time {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(72px, 12vw, 132px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.25);
}

.lock-date {
  margin: 8px 0 0;
  font-size: 20px;
  font-weight: 600;
  opacity: 0.9;
}

.lock-user {
  display: grid;
  justify-items: center;
  gap: 10px;
}

.lock-user img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.4);
}

.lock-user strong {
  font-size: 16px;
}

.lock-user span {
  font-size: 13px;
  opacity: 0.75;
}

.shutdown {
  background: #000;
}

.shutdown-inner {
  display: grid;
  justify-items: center;
  gap: 16px;
  max-width: 420px;
  padding: 20px;
}

.shutdown-inner h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.shutdown-inner p {
  margin: 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 15px;
  line-height: 1.5;
}

.shutdown-actions {
  display: flex;
  gap: 10px;
}

.power-btn {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25);
}

.power-btn:hover {
  background: rgba(255, 255, 255, 0.18);
}

.hello {
  -webkit-backdrop-filter: blur(22px) saturate(150%);
  backdrop-filter: blur(22px) saturate(150%);
  background: rgba(6, 8, 22, 0.35);
  cursor: default;
  transition: opacity 0.6s var(--ease);
}

.hello.is-leaving {
  opacity: 0;
}

.hello svg {
  width: min(560px, 80vw);
  height: auto;
  overflow: visible;
}

.hello-text {
  font-family: var(--font-script);
  font-size: 150px;
  fill: transparent;
  stroke: #fff;
  stroke-width: 1.6;
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
  animation: hello-draw 1.9s cubic-bezier(0.45, 0.05, 0.3, 1) forwards, hello-fill 0.6s 1.5s ease forwards;
}

@keyframes hello-draw {
  to { stroke-dashoffset: 0; }
}

@keyframes hello-fill {
  to { fill: #fff; }
}

.hello-sub {
  margin: 6px 0 0;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.82);
  opacity: 0;
  animation: fade-up 0.6s 1.6s var(--ease) forwards;
}

.hello-skip {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* Full-screen system moments (hello, lock) replace the menu bar. */
body:has(.system-screen) .menubar {
  visibility: hidden;
}

.note-title {
  margin: 2px 0 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

/* ---------- Smaller desktops ---------- */

@media (max-width: 1239px) {
  .desktop-icons {
    display: none;
  }
}

@media (max-width: 999px) {
  .widgets {
    display: none;
  }
}

@media (max-width: 1180px) {
  .widget-project {
    display: none;
  }
}

@media (max-height: 760px) {
  .widget-project {
    display: none;
  }
}