/* The workspace uses Tin's type and materials without the landing page's stage. */
:root {
  --ui-font: var(--tin-sans);
  --ui-radius: var(--tin-edge);
}
:root:not([data-theme]), :root[data-theme="dark"] {
  color-scheme: dark;
  --paper: var(--tin-graphite);
  --paper-2: #1a2221;
  --paper-3: #242e2c;
  --ink: #edf1ee;
  --ink-dim: #b6c2bd;
  --ink-faint: #99aaa3;
  --rule: #35423f;
  --rule-bright: #60736a;
  --signal: var(--tin-copper);
  --signal-dim: #a66b50;
  --signal-glint: #f4c6ae;
}
:root[data-theme="light"] { color-scheme: light; }

:is(#app, #lockScreen, #bottomNav, #bottomNavDrawer) {
  --tin-wordmark-accent: var(--signal);
  font-family: var(--ui-font);
}
:is(#app, #lockScreen, #bottomNav, #bottomNavDrawer) ::selection {
  background: var(--signal);
  color: var(--paper);
}
#app .topbar-title { font-size: 23px; }
#app .topbar-title .version { margin-inline-start: 3px; color: var(--ink-dim); }
#app .sidebar .tab.active {
  box-shadow: inset 2px 0 var(--signal);
  background: var(--ui-selection);
}
#app .sidebar .tab[aria-current="page"] { font-weight: 620; }
#app .sidebar, #app .sidebar.is-collapsed {
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 8px;
  background: var(--paper-2);
  isolation: isolate;
}
#app .sidebar .tab { border-radius: 999px; position: relative; z-index: 1; }
#app .sidebar[data-indicator="ready"] .tab.active { background: transparent; box-shadow: none; }
#app .sidebar-indicator, #bottomNav .dock-indicator {
  position: absolute;
  top: 0;
  left: 0;
  border-radius: 999px;
  background: var(--ui-selection);
  border: 1px solid color-mix(in srgb, var(--signal) 24%, var(--rule));
  pointer-events: none;
  transform-origin: top left;
}
#bottomNav .bn-tab { position: relative; z-index: 1; }
#bottomNav[data-indicator="ready"] .bn-tab.is-active { background: transparent; }
#app .app-shell:has(.sidebar.is-collapsed) { grid-template-columns: 64px minmax(0, 1fr); }
@media (min-width: 1700px) {
  #app.app { max-width: none; padding-inline: 40px; }
  #app .app-shell { grid-template-columns: 232px minmax(0,1fr); gap: 32px; }
  #app #chat .entry { max-width: 1000px; }
  #app #chat .chat-categories-panel { flex-basis: 224px; }
}
@media (min-width: 2400px) {
  #app.app { padding-inline: 52px; }
  #app .app-shell { grid-template-columns: 248px minmax(0,1fr); }
  #app #chat .entry { max-width: 1160px; }
  #app #chat .chat-categories-panel { flex-basis: 250px; }
}
#app #chat .view-hero[data-compact] { padding: 4px 12px 5px !important; margin-bottom: 10px; min-height: 38px !important; }
@media (min-width: 901px) {
  #app #chat { --pulse-height: max(360px, calc(100dvh - 196px)); }
}
#app .view-hero[data-compact] h1 { font-size: 19px; font-weight: 660; }
#app .workspace-view-details > summary { min-height: 28px; }
#app #chat .chat-cat-group {
  content-visibility: auto;
  contain-intrinsic-block-size: auto 32px;
}
#app #chat .chat-cat-actions { display: flex; gap: 2px; }
#app #chat .chat-cat-actions button {
  display: grid;
  place-items: center;
  width: 26px;
  height: 28px;
  padding: 0;
  color: var(--ink-faint);
  border-radius: 4px;
}
#app #chat .chat-cat-actions button:hover { color: var(--ink); background: var(--paper-3); }
#app #chat .chat-cat-actions button::before {
  content: "";
  width: 14px;
  height: 14px;
  background: currentColor;
  mask: var(--category-action-icon) center / contain no-repeat;
}
#app #chat [data-cat-rename] { --category-action-icon: url("/assets/icons/pencil.svg"); }
#app #chat [data-cat-delete] { --category-action-icon: url("/assets/icons/trash.svg"); }
@media (hover: hover) {
  #app #chat .chat-cat-group:not(:hover, :focus-within, :has(.is-active)) .chat-cat-actions button::before { content: none; }
}
#app :is(.homework-view-actions, .notes-editor-meta) > button { min-height: 36px; }
#app :is(.model-picker-trigger, .homework-overview time, .studio-location) { font-variant-numeric: tabular-nums; }

#lockScreen .lock-card { padding: 28px; }
#lockScreen .lock-brand { align-items: flex-start; text-align: left; }
#lockScreen .lock-identity { display: flex; align-items: center; gap: 10px; }
#lockScreen .lock-mark { width: 40px; height: 40px; margin: 0; animation: none; }
#lockScreen .lock-mark img { width: 40px; height: 40px; filter: none; }
#lockScreen .lock-title { margin: 0; font: 680 28px/1.1 var(--ui-font); }
#lockScreen .lock-title .version { font: 12px var(--ui-mono); color: var(--ink-dim); }
#lockScreen .lock-mode { margin: 22px 0 0; font: 600 18px var(--ui-font); color: var(--ink); }
#lockScreen .lock-form { margin-top: 18px; }
#lockScreen .lock-field input { border-radius: var(--ui-radius); }
#lockScreen .lock-submit { min-height: 44px; border-radius: var(--ui-radius); font-weight: 650; }
#lockScreen .lock-foot { text-align: left; line-height: 1.55; }
#lockScreen .lock-foot a { color: var(--ink-dim); text-underline-offset: 3px; }
#lockScreen .lock-about { display: inline-block; margin-top: 12px; color: var(--ink); }
:root[data-theme="light"] #lockScreen .lock-submit { color: #fff; }

@media (max-width: 880px) {
  #bottomNav.bottom-nav { border-radius: 8px; background: var(--paper-2); }
  #bottomNav .bn-tab { border-radius: var(--ui-radius); min-height: 44px; }
}