/* ─────────────────────────────────────────────────────────────
   Capraseo — shared layout
   Loaded by every page. Page-specific styles live in css/<page>.css.
   ───────────────────────────────────────────────────────────── */

[hidden] { display: none !important; }

/* Pages marked data-auth="required" must not flash their UI to a
   signed-out visitor before auth.js redirects them to /login_signup/.
   auth.js adds .auth-ready once the session check resolves (or
   immediately, when the optimistic html.cs-known hint is set). */
body[data-auth="required"]:not(.auth-ready) { visibility: hidden; }

:root {
  color-scheme: dark;     /* renders native form controls (select, scrollbars) in dark theme */
  --bg: #0a0a0b;
  --panel: #121214;
  --panel-2: #17171a;
  --line: rgba(255, 255, 255, 0.06);
  --line-strong: rgba(255, 255, 255, 0.10);
  --text: #e8e8ea;
  --muted: #8a8a92;
  --muted-2: #5f5f67;
  --accent: #22c55e;
  --danger: #ff7a7a;
  --gold: #e6c47a;
  --glow: rgba(255, 255, 255, 0.04);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: linear-gradient(180deg, #0c0c0e 0%, #0a0a0b 100%);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 400;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow: hidden;
}

/* ── App shell ─────────────────────────────────────────────── */
.app {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: row;
  opacity: 0;
  animation: fadeIn 0.7s ease-out forwards;
}

@keyframes fadeIn { to { opacity: 1; } }

/* ── Sidebar ───────────────────────────────────────────────── */
/* Apple-grade material: translucent base with backdrop blur (effective
   only where the page background contains tone), a subtle vertical
   luminance gradient overlay, a soft right-edge highlight, and an
   inner top highlight for "lit-from-above" depth. */
.sidebar {
  position: relative;
  z-index: 3;
  flex-shrink: 0;
  width: 232px;
  margin: 0;
  padding: 20px 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  background:
    /* faint vertical luminance lift, top→bottom (~3% delta) */
    linear-gradient(180deg, rgba(255,255,255,0.018) 0%, rgba(255,255,255,0) 60%, rgba(0,0,0,0.06) 100%),
    /* base translucent material */
    rgba(15, 15, 18, 0.72);
  border-right: 1px solid rgba(255,255,255,0.06);
  border-radius: 0;
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.04),
    inset -1px 0 0 rgba(255,255,255,0.015),
    0 14px 50px -20px rgba(0,0,0,0.55);
  transition: width 0.28s cubic-bezier(0.22, 1, 0.36, 1),
              padding 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}
.sidebar.collapsed {
  width: 76px;
  padding: 20px 12px 18px;
}
/* Soft ambient glow that the blur can pick up (so the material has
   *something* to refract even on near-black backdrops). */
.sidebar::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(255,255,255,0.05), transparent 55%),
    radial-gradient(ellipse at 70% 90%, rgba(34,197,94,0.04), transparent 60%);
  pointer-events: none;
  z-index: -1;
}

.sidebar-toggle {
  position: absolute;
  top: 50%;
  right: -12px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, #1c1c20, #141417);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 50%;
  color: var(--muted);
  cursor: pointer;
  z-index: 4;
  opacity: 0.5;
  transform: translateY(-50%);
  box-shadow: 0 4px 12px -4px rgba(0,0,0,0.6);
  transition: color 0.18s ease, border-color 0.18s ease, opacity 0.18s ease;
}
.sidebar-toggle:hover { color: var(--text); border-color: rgba(255,255,255,0.18); opacity: 1; }
.sidebar-toggle svg { transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1); }
.sidebar.collapsed .sidebar-toggle svg { transform: rotate(180deg); }

/* ── Workspace switcher (unified card + popover) ─────────────
   One clickable card surfaces the in-focus domain (primary) and
   its project (secondary). Click — or ⌘K from anywhere — opens a
   popover with all projects as sections, domains nested under
   each, search, and keyboard navigation. */
.ws {
  position: relative;
  padding: 0 0 12px;
  margin-bottom: 4px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.ws-card {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 10px;
  background: #1a1a1a;
  border: 0.5px solid #262626;
  border-radius: 8px;
  color: #f5f5f5;
  cursor: pointer;
  text-align: left;
  transition: background 0.16s ease, border-color 0.16s ease;
}
.ws-card:hover { background: #1f1f1f; border-color: #333; }
.ws-card[aria-expanded="true"] { background: #1f1f1f; border-color: #333; }
.ws-card:focus-visible { outline: none; box-shadow: 0 0 0 2px rgba(34,197,94,0.40); }

.ws-card-avatar {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  font: 600 11px/1 'Inter', sans-serif;
  color: #fff;
  background-image: linear-gradient(135deg, #333, #222);
  border: 1px solid rgba(255,255,255,0.06);
  text-shadow: 0 1px 1px rgba(0,0,0,0.25);
}

.ws-card-text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.ws-card-domain {
  font: 500 13px/1.2 'Inter', sans-serif;
  color: #f5f5f5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ws-card-project {
  font: 500 10.5px/1.2 'Inter', sans-serif;
  color: #777;
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ws-card-chev {
  color: rgba(255,255,255,0.45);
  flex-shrink: 0;
  transition: color 0.16s ease;
}
.ws-card:hover .ws-card-chev,
.ws-card[aria-expanded="true"] .ws-card-chev { color: rgba(255,255,255,0.85); }

/* Collapsed sidebar — only show the avatar */
.sidebar.collapsed .ws-card { padding: 6px; justify-content: center; }
.sidebar.collapsed .ws-card-text,
.sidebar.collapsed .ws-card-chev { display: none; }

/* ── Popover ─────────────────────────────────────────────── */
.ws-pop {
  position: absolute;
  left: calc(100% + 8px);
  top: 0;
  width: 280px;
  max-width: 360px;
  max-height: 480px;
  display: flex;
  flex-direction: column;
  padding: 6px;
  background: #141414;
  border: 0.5px solid #2a2a2a;
  border-radius: 10px;
  box-shadow:
    0 12px 32px rgba(0,0,0,0.5),
    0 0 0 1px rgba(255,255,255,0.02);
  z-index: 50;
  transform-origin: top left;
  animation: wsPopRise 0.15s ease-out;
}
.ws-pop[hidden] { display: none; }
@keyframes wsPopRise {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}
@media (prefers-reduced-motion: reduce) { .ws-pop { animation: none; } }
@media (max-width: 900px) {
  .ws-pop { left: 0; top: calc(100% + 6px); transform-origin: top left; }
}
.sidebar.collapsed .ws-pop { left: calc(100% + 8px); top: 0; }

.ws-pop-search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: #1a1a1a;
  border-radius: 6px;
  position: sticky;
  top: 0;
  z-index: 1;
  flex-shrink: 0;
}
.ws-pop-search-icon { color: #777; flex-shrink: 0; }
.ws-pop-search input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: 0;
  color: #e8e8ea;
  font: 400 12px 'Inter', sans-serif;
}
.ws-pop-search input::placeholder { color: #666; }
.ws-pop-search-kbd {
  font: 500 10px 'Inter', sans-serif;
  color: #888;
  padding: 2px 5px;
  border: 0.5px solid #2a2a2a;
  border-radius: 3px;
  flex-shrink: 0;
  letter-spacing: 0.02em;
}

.ws-pop-body {
  overflow-y: auto;
  padding-top: 4px;
  flex: 1;
  min-height: 0;
}

.ws-pop-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px 4px;
  font: 500 10px/1 'Inter', sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #666;
  cursor: pointer;
  user-select: none;
  background: transparent;
  border: 0;
  width: 100%;
}
.ws-pop-section-head:hover { color: #999; }
.ws-pop-section-chev {
  color: rgba(255,255,255,0.35);
  transition: transform 0.16s ease;
  flex-shrink: 0;
}
.ws-pop-section.collapsed .ws-pop-section-chev { transform: rotate(-90deg); }
.ws-pop-section.collapsed .ws-pop-domains { display: none; }

.ws-pop-domains { display: flex; flex-direction: column; }

.ws-pop-domain {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border-radius: 6px;
  cursor: pointer;
  background: transparent;
  border: 0;
  width: 100%;
  text-align: left;
  color: inherit;
}
.ws-pop-domain:hover,
.ws-pop-domain.is-highlighted { background: #1f1f1f; }
.ws-pop-domain.is-active { background: #1a1a1a; }
.ws-pop-domain-avatar {
  width: 22px;
  height: 22px;
  border-radius: 5px;
  display: grid;
  place-items: center;
  font: 600 9px/1 'Inter', sans-serif;
  color: #fff;
  flex-shrink: 0;
  border: 1px solid rgba(255,255,255,0.06);
  background-image: linear-gradient(135deg, #333, #222);
  text-shadow: 0 1px 1px rgba(0,0,0,0.25);
}
.ws-pop-domain-text { flex: 1; min-width: 0; }
.ws-pop-domain-name {
  font: 500 12.5px/1.2 'Inter', sans-serif;
  color: #ddd;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ws-pop-domain.is-active .ws-pop-domain-name { color: #f0f0f0; }
.ws-pop-domain-meta {
  font: 400 10px/1.2 'Inter', sans-serif;
  color: #777;
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ws-pop-domain-check {
  color: #6ce0a8;
  flex-shrink: 0;
  opacity: 0;
}
.ws-pop-domain.is-active .ws-pop-domain-check { opacity: 1; }

.ws-pop-divider {
  height: 0.5px;
  background: #1f1f1f;
  margin: 6px 4px;
}

.ws-pop-action {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border-radius: 6px;
  color: #999;
  font: 500 12px 'Inter', sans-serif;
  cursor: pointer;
  background: transparent;
  border: 0;
  width: 100%;
  text-align: left;
  text-decoration: none;
}
.ws-pop-action:hover,
.ws-pop-action.is-highlighted { background: #1f1f1f; color: #fff; }
.ws-pop-action-icon {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: inherit;
}

.ws-pop-empty {
  padding: 18px 10px;
  text-align: center;
  color: #666;
  font: 400 12px 'Inter', sans-serif;
}

.ws-pop-skeleton {
  height: 36px;
  margin: 4px 0;
  border-radius: 6px;
  background: linear-gradient(90deg, #181818, #1f1f1f, #181818);
  background-size: 200% 100%;
  animation: wsSkel 1.2s linear infinite;
}
@keyframes wsSkel {
  from { background-position: 0% 0; }
  to   { background-position: -200% 0; }
}

.nav {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.10) transparent;
}
.nav::-webkit-scrollbar { width: 6px; }
.nav::-webkit-scrollbar-track { background: transparent; }
.nav::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  transition: background 0.18s ease;
}
.nav:hover::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.16); }
.nav::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.24); }

/* Shared-layout active indicator. JS positions this with translate3d
   to the active or hovered nav item, so the pill *moves* with the
   selection. We animate transform/opacity only — never layout props. */
.nav-tracker {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.04) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    0 1px 2px rgba(0,0,0,0.3);
  opacity: 0;
  pointer-events: none;
  z-index: 0;
  transform: translate3d(0, 0, 0);
  transition:
    transform 250ms cubic-bezier(0.32, 0.72, 0, 1),
    height 250ms cubic-bezier(0.32, 0.72, 0, 1),
    opacity 200ms ease-out;
}
.nav-tracker.visible { opacity: 1; }
.nav-tracker.no-anim { transition: none; }

/* Section headers — quieter, tighter, more architectural */
.nav-section {
  padding: 0 10px 8px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,1);
  opacity: 0.4;
}
.nav-item + .nav-section { padding-top: 24px; }

.nav-item {
  position: relative;
  z-index: 1;                 /* sits above .nav-tracker */
  display: flex;
  align-items: center;
  gap: 12px;
  height: 40px;
  padding: 0 12px;
  border-radius: 10px;
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition:
    color 150ms cubic-bezier(0.4, 0, 0.2, 1),
    transform 150ms cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-item .nav-icon {
  display: inline-flex;
  width: 18px;
  height: 18px;
  color: rgba(255,255,255,0.7);
  opacity: 1;
  transition: color 150ms cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-item:hover {
  color: rgba(255,255,255,1);
  transform: translateX(1px);
}
.nav-item:hover .nav-icon { color: rgba(255,255,255,1); }

/* Press: brief tactile compression (transform-only, 80ms) */
.nav-item:active { transform: translateX(1px) scale(0.98); transition-duration: 80ms; }

/* Focus rings — accent-colored, only on keyboard focus */
.nav-item:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Active state — text and icon brighten, accent rail shows on the
   left, but the pill *background* lives on .nav-tracker so it can
   slide between selections. */
.nav-item.active { color: rgba(255,255,255,1); }
.nav-item.active .nav-icon {
  /* ~30% brand-accent mix into white. Static fallback first, then
     the modern color-mix override for browsers that support it. */
  color: #b8f3c3;
  color: color-mix(in srgb, var(--accent) 30%, #ffffff);
}
.nav-item.active::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 18px;
  border-radius: 2px;
  background: linear-gradient(180deg,
    rgba(34,197,94,0.0)   0%,
    rgba(34,197,94,1.0)   30%,
    rgba(34,197,94,1.0)   70%,
    rgba(34,197,94,0.0) 100%);
  box-shadow: 0 0 10px rgba(34,197,94,0.55);
}

.nav-item span:not(.nav-icon) {
  transition: opacity 0.18s ease, max-width 0.28s cubic-bezier(0.22, 1, 0.36, 1);
  max-width: 160px;
  white-space: nowrap;
  overflow: hidden;
}
.sidebar.collapsed .nav-item {
  justify-content: center;
  padding: 0;
  gap: 0;
}
.sidebar.collapsed .nav-item span:not(.nav-icon) { opacity: 0; max-width: 0; }
.sidebar.collapsed .nav-section { opacity: 0; height: 0; padding: 0; overflow: hidden; }
.sidebar.collapsed .nav-item.active::before { left: -12px; }

@media (prefers-reduced-motion: reduce) {
  .nav-item, .nav-item .nav-icon, .nav-tracker { transition: none; }
  .nav-item:hover, .nav-item:active { transform: none; }
}

/* Nav row with a trailing action button (e.g. Chat row's "+" to start
   a fresh chat). Wraps a .nav-item and an absolutely-positioned
   .nav-row-action so the button sits flush right of the row without
   breaking the anchor's clickable area. Reveal on row hover. */
.nav-row { position: relative; }
.nav-row-action {
  position: absolute;
  top: 50%;
  right: 8px;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 0;
  border-radius: 6px;
  color: rgba(200,200,210,0.55);
  cursor: pointer;
  opacity: 0;
  z-index: 2;
  transition: opacity 0.18s ease, background 0.18s ease, color 0.18s ease, transform 0.12s ease;
}
.nav-row:hover .nav-row-action,
.nav-row:focus-within .nav-row-action,
.nav-row-action:focus-visible { opacity: 1; }
.nav-row-action:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text);
}
.nav-row-action:active { transform: translateY(-50%) scale(0.9); transition-duration: 80ms; }
.nav-row-action:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
.sidebar.collapsed .nav-row-action { display: none; }

/* ── Sub-nav (per-page section jump links) ─────────────────
   Lives inside the sidebar partial after a top-level nav-item.
   Hidden by default — shown only when the matching page is active
   (body[data-page="<key>"]). Each item smooth-scrolls to a section
   by data-target, handled in sidebar.js. */
.subnav {
  display: none;
  flex-direction: column;
  gap: 1px;
  padding: 6px 0 8px 30px;
  margin: 2px 0 4px;
  position: relative;
}
.subnav::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 4px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.02));
}
body[data-page="chat"] .subnav[data-for="chat"],
body[data-page="chat-history"] .subnav[data-for="chat"],
body[data-page="health"] .subnav[data-for="health"],
body[data-page="backlinks"] .subnav[data-for="backlinks"],
body[data-page="referring-domains"] .subnav[data-for="referring-domains"],
body[data-page="keywords"] .subnav[data-for="keywords"],
body[data-page="competitor-gap"] .subnav[data-for="competitor-gap"] {
  display: flex;
  animation: subnavRise 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes subnavRise {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.subnav-item {
  position: relative;
  display: flex;
  align-items: center;
  height: 26px;
  padding: 0 10px;
  border-radius: 7px;
  color: rgba(200,200,210,0.50);
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: -0.005em;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}
.subnav-item::before {
  content: "";
  position: absolute;
  left: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(255,255,255,0.10);
  transition: background 0.18s ease, box-shadow 0.18s ease;
}
.subnav-item:hover {
  background: rgba(255,255,255,0.03);
  color: var(--text);
}
.subnav-item:hover::before { background: rgba(255,255,255,0.35); }
.subnav-item.active { color: #f3f3f5; background: rgba(255,255,255,0.04); }
.subnav-item.active::before {
  background: var(--accent);
  box-shadow: 0 0 8px rgba(34,197,94,0.55);
}
.sidebar.collapsed .subnav { display: none !important; }
@media (prefers-reduced-motion: reduce) {
  body[data-page="chat"] .subnav[data-for="chat"],
  body[data-page="chat-history"] .subnav[data-for="chat"],
  body[data-page="health"] .subnav[data-for="health"],
  body[data-page="backlinks"] .subnav[data-for="backlinks"],
  body[data-page="referring-domains"] .subnav[data-for="referring-domains"],
  body[data-page="keywords"] .subnav[data-for="keywords"],
  body[data-page="competitor-gap"] .subnav[data-for="competitor-gap"] { animation: none; }
}

/* Chat-history subnav item is a standalone page link (not a scroll
   target), so its active state is driven by body[data-page] rather
   than the scroll-spy logic in sidebar.js. */
body[data-page="chat-history"] .subnav-item[data-page="chat-history"] {
  color: #f3f3f5;
  background: rgba(255,255,255,0.04);
}
body[data-page="chat-history"] .subnav-item[data-page="chat-history"]::before {
  background: var(--accent);
  box-shadow: 0 0 8px rgba(34,197,94,0.55);
}

/* Token meter — sits just above the account block at the bottom of the
   sidebar. The flex-grow on .nav (which scrolls when needed) is what
   pushes this and .account-wrap to the bottom. */
.token-meter {
  padding: 0 4px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.token-meter .tm-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.token-meter .tm-pct {
  color: var(--text);
  font-size: 11.5px;
  letter-spacing: 0;
  text-transform: none;
  font-variant-numeric: tabular-nums;
}
.tm-bar {
  position: relative;
  height: 4px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  overflow: hidden;
}
/* The fill animates its width on mount via transform-scale (no layout
   thrash), and carries a glow keyed to the warm end of the gradient so
   it "pulses" subtly — Apple-style under-light. */
.tm-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--w, 0%);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), #7dd699 55%, var(--gold));
  box-shadow: 0 0 12px rgba(230,196,122,0.40);
  transform-origin: left center;
  transform: scaleX(0);
  animation: tmFill 600ms cubic-bezier(0.22, 1, 0.36, 1) 200ms forwards;
}
@keyframes tmFill {
  to { transform: scaleX(1); }
}
/* Shimmer on hover — a soft highlight sweeps across the filled bar */
.token-meter:hover .tm-fill::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255,255,255,0.35) 50%,
    transparent 100%
  );
  background-size: 200% 100%;
  background-position: 200% 0;
  border-radius: inherit;
  animation: tmShimmer 1.6s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  pointer-events: none;
}
@keyframes tmShimmer {
  to { background-position: -100% 0; }
}
.tm-buy {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: -0.005em;
  text-decoration: none;
  transition: color 0.18s ease, gap 0.18s ease;
}
.tm-buy svg { opacity: 0.55; transition: opacity 0.18s ease; }
.tm-buy:hover { color: var(--text); gap: 7px; }
.tm-buy:hover svg { opacity: 1; }

/* Collapsed sidebar — keep only the bar */
.sidebar.collapsed .token-meter { padding: 0 6px; gap: 0; }
.sidebar.collapsed .tm-head,
.sidebar.collapsed .tm-buy { display: none; }

@media (prefers-reduced-motion: reduce) {
  .tm-fill { animation: none; transform: scaleX(1); }
  .token-meter:hover .tm-fill::after { animation: none; }
}

/* Account block — sits right under the token meter */
.account-wrap {
  position: relative;
}
.account {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 8px;
  border-top: 1px solid rgba(255,255,255,0.04);
  color: rgba(200,200,210,0.7);
  font-size: 13px;
  overflow: hidden;
  cursor: pointer;
  outline: none;
  transition: background 0.18s ease, color 0.18s ease;
  border-radius: 8px;
}
.account:hover,
.account-wrap:hover .account,
.account-wrap:focus-within .account { background: rgba(255,255,255,0.03); color: var(--text); }
.account:focus-visible { box-shadow: 0 0 0 2px rgba(255,255,255,0.10); }
.avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2c2c33, #18181b);
  border: 1px solid rgba(255,255,255,0.07);
  flex-shrink: 0;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 500;
  color: #d0d0d8;
}
.account-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.2;
  transition: opacity 0.18s ease, max-width 0.28s cubic-bezier(0.22, 1, 0.36, 1);
  max-width: 140px;
}
.account-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.account-id {
  font-size: 11px;
  color: var(--muted-2);
  opacity: 0.7;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.account-id:empty { display: none; }
.account-settings {
  color: var(--muted-2);
  opacity: 0.6;
  transition: opacity 0.18s ease, color 0.18s ease, transform 0.2s ease;
  display: inline-flex;
  flex-shrink: 0;
}
.account:hover .account-settings,
.account-wrap:hover .account-settings,
.account-wrap:focus-within .account-settings { opacity: 1; color: var(--text); }
.account-wrap:hover .account-settings,
.account-wrap:focus-within .account-settings { transform: rotate(180deg); }
.sidebar.collapsed .account {
  justify-content: center;
  padding: 10px 0;
  gap: 0;
}
.sidebar.collapsed .account-text,
.sidebar.collapsed .account-settings {
  opacity: 0;
  max-width: 0;
  width: 0;
  overflow: hidden;
}

/* Account hover menu (pops above the account block) */
.account-menu {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 0;
  right: 0;
  min-width: 200px;
  padding: 6px;
  background: linear-gradient(180deg, rgba(28,28,32,0.96), rgba(18,18,21,0.96));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  box-shadow:
    0 20px 40px -12px rgba(0,0,0,0.7),
    inset 0 1px 0 rgba(255,255,255,0.04);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 20;
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}
/* Invisible bridge so a small gap doesn't drop hover */
.account-menu::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 8px;
}
.account-wrap:hover .account-menu,
.account-wrap:focus-within .account-menu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.account-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 10px;
  background: transparent;
  border: 0;
  border-radius: 8px;
  color: #c0c0c8;
  font: 500 13px 'Inter', sans-serif;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.account-menu-item:hover,
.account-menu-item:focus-visible {
  background: rgba(255,255,255,0.05);
  color: var(--text);
  outline: none;
}
.account-menu-item .ami-icon {
  display: inline-flex;
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  opacity: 0.75;
}
.account-menu-item:hover .ami-icon,
.account-menu-item:focus-visible .ami-icon { opacity: 1; }
.account-menu-divider {
  height: 1px;
  background: rgba(255,255,255,0.06);
  margin: 6px 4px;
}
/* Collapsed sidebar: anchor menu to the avatar's left edge instead of stretching */
.sidebar.collapsed .account-menu {
  right: auto;
  left: 4px;
}

/* ── Stage (right side) ────────────────────────────────────── */
.stage {
  position: relative;
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.stage-top {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 36px;
  flex-shrink: 0;
}

.stage-title {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: #f3f3f5;
  margin: 0;
}
.stage-subtitle {
  font-size: 13px;
  color: var(--muted);
  margin: 4px 0 0 0;
}

/* Generic centered content area (chat hero, account scroll area) */
.center {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 24px;
  min-height: 0;
}

/* Footer */
.footer {
  position: relative;
  z-index: 1;
  padding: 28px 0 32px;
  text-align: center;
  color: var(--muted-2);
  font-size: 13px;
  flex-shrink: 0;
}
.footer a {
  color: #c8c8d0;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ── Entrance animations ───────────────────────────────────── */
.anim {
  opacity: 0;
  transform: translateY(14px);
  animation: rise 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
@keyframes rise { to { opacity: 1; transform: translateY(0); } }
.d1 { animation-delay: 0.05s; }
.d2 { animation-delay: 0.15s; }
.d3 { animation-delay: 0.25s; }
.d4 { animation-delay: 0.35s; }
.d5 { animation-delay: 0.45s; }
.d6 { animation-delay: 0.55s; }
.d7 { animation-delay: 0.65s; }
.d8 { animation-delay: 0.75s; }
.d9 { animation-delay: 0.85s; }

/* ── Login page ────────────────────────────────────────────── */
.login-page {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at center, rgba(20,20,24,0.55), rgba(8,8,10,0.85)),
    linear-gradient(180deg, #0c0c0e 0%, #0a0a0b 100%);
}
/* The sign-in card is hidden by default — on cold tabs with a live session
   cookie, we redirect away before /auth/me resolves, so the user sees only
   the loader (.login-loader below) and never a flash of the card. The
   body.is-signed-out class is set once /auth/me confirms no session. */
.login-card {
  width: min(360px, calc(100% - 40px));
  padding: 28px 26px 24px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(28,28,32,0.95), rgba(18,18,21,0.95));
  border: 1px solid var(--line);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.04) inset,
    0 18px 48px -16px rgba(0,0,0,0.7);
  display: none;
  flex-direction: column;
  gap: 14px;
  text-align: center;
}
body.is-signed-out .login-card {
  display: flex;
  animation: login-card-in 0.22s ease-out both;
}
@keyframes login-card-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}
.login-loader {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  pointer-events: none;
  animation: login-loader-fadein 0.5s ease-out 0.08s both;
}
body.is-signed-out .login-loader { display: none; }
.login-loader-ring {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.08);
  border-top-color: rgba(255,255,255,0.55);
  animation: login-loader-spin 0.9s linear infinite;
}
.login-loader-mark {
  font: 500 14px 'Inter', sans-serif;
  letter-spacing: 0.6px;
  color: var(--text);
  opacity: 0.7;
  animation: login-loader-pulse 1.8s ease-in-out infinite;
}
@keyframes login-loader-spin {
  to { transform: rotate(360deg); }
}
@keyframes login-loader-pulse {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 0.85; }
}
@keyframes login-loader-fadein {
  from { opacity: 0; }
  to { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .login-loader-ring,
  .login-loader-mark,
  .login-loader,
  body.is-signed-out .login-card { animation: none; }
}

.login-card h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.2px;
  color: var(--text);
}
.login-card p.login-sub {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}
.login-card input {
  width: 100%;
  height: 40px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: rgba(22,22,25,0.55);
  color: var(--text);
  font: 500 14px 'Inter', sans-serif;
  letter-spacing: 0.4px;
  outline: none;
  transition: border-color 0.18s ease, background 0.18s ease;
}
.login-card input:focus {
  border-color: rgba(255,255,255,0.22);
  background: rgba(28,28,32,0.7);
}
.login-card button {
  height: 40px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.10);
  background: linear-gradient(180deg, #2a2a30, #1a1a1d);
  color: var(--text);
  font: 500 14px 'Inter', sans-serif;
  cursor: pointer;
  transition: background 0.18s ease, transform 0.12s ease, border-color 0.18s ease;
}
.login-card button:hover {
  background: linear-gradient(180deg, #35353c, #212125);
  border-color: rgba(255,255,255,0.16);
}
.login-card button:active { transform: translateY(1px); }
.login-google-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  margin-top: 4px;
  padding: 11px 16px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(48,48,54,0.95), rgba(34,34,38,0.95));
  border: 1px solid rgba(255,255,255,0.10);
  color: #f0f0f0;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1px;
  cursor: pointer;
  transition: background 0.18s ease, transform 0.06s ease, opacity 0.18s ease, border-color 0.18s ease;
}
.login-google-btn:hover:not(:disabled) {
  background: linear-gradient(180deg, rgba(60,60,66,0.95), rgba(44,44,48,0.95));
  border-color: rgba(255,255,255,0.18);
}
.login-google-btn:active:not(:disabled) { transform: translateY(1px); }
.login-google-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgba(255,255,255,0.18);
}
.login-google-btn:disabled { opacity: 0.55; cursor: progress; }
.login-google-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: #fff;
  border-radius: 4px;
  flex-shrink: 0;
}
.login-google-mark svg { display: block; }
.login-card .login-error {
  margin: 0;
  min-height: 16px;
  font-size: 12px;
  color: var(--danger);
  opacity: 0;
  transition: opacity 0.18s ease;
}
.login-card .login-error.show { opacity: 1; }
.login-card.shake { animation: login-shake 0.36s cubic-bezier(.36,.07,.19,.97); }
@keyframes login-shake {
  10%, 90% { transform: translateX(-2px); }
  20%, 80% { transform: translateX(3px); }
  30%, 50%, 70% { transform: translateX(-5px); }
  40%, 60% { transform: translateX(5px); }
}

/* ── Shared button primitives (reused across pages) ────────── */
/* Buttons — layered material, Apple-easing, tactile press, keyboard rings.
   Same vocabulary as the upgrade pill on the chat page. */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 34px;
  padding: 0 14px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0) 50%, rgba(0,0,0,0.10) 100%),
    linear-gradient(180deg, #2a2a30, #1a1a1d);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 10px;
  color: var(--text);
  font: 500 13px 'Inter', sans-serif;
  letter-spacing: -0.005em;
  cursor: pointer;
  transition:
    background 200ms cubic-bezier(0.32, 0.72, 0, 1),
    border-color 200ms cubic-bezier(0.32, 0.72, 0, 1),
    color 200ms cubic-bezier(0.32, 0.72, 0, 1),
    transform 200ms cubic-bezier(0.32, 0.72, 0, 1),
    box-shadow 200ms cubic-bezier(0.32, 0.72, 0, 1);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.06),
    inset 0 -1px 0 rgba(0,0,0,0.20),
    0 4px 12px -4px rgba(0,0,0,0.5);
}
.btn:hover {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0) 50%, rgba(0,0,0,0.10) 100%),
    linear-gradient(180deg, #35353c, #212125);
  border-color: rgba(255,255,255,0.18);
  transform: translateY(-1px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    inset 0 -1px 0 rgba(0,0,0,0.20),
    0 6px 16px -4px rgba(0,0,0,0.55);
}
.btn:active { transform: translateY(0) scale(0.98); transition-duration: 80ms; }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.btn.btn-ghost {
  background: transparent;
  border-color: rgba(255,255,255,0.08);
  box-shadow: none;
  color: rgba(200,200,210,0.7);
}
.btn.btn-ghost:hover {
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border-color: rgba(255,255,255,0.16);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}
.btn.btn-danger {
  border-color: rgba(255, 122, 122, 0.22);
  color: rgba(255, 200, 200, 0.85);
}
.btn.btn-danger:hover {
  border-color: rgba(255, 122, 122, 0.40);
  color: #ffd2d2;
}
.btn.btn-danger:focus-visible { outline-color: var(--danger); }
.btn.btn-sm { height: 28px; padding: 0 11px; font-size: 12px; gap: 6px; }

@media (prefers-reduced-motion: reduce) {
  .btn { transition: none; }
  .btn:hover, .btn:active { transform: none; }
}