/* Alcove - local-first retrieval UI */

:root {
  color-scheme: dark;
  --bg-body: #111821;
  --bg-card: #17212b;
  --bg-card-alt: #1d2a36;
  --border-card: #334656;
  --text: #e4edf2;
  --text-strong: #f7fbff;
  --muted: #9cafbb;
  --muted-info: #b6c4cd;
  --green: #69d7a2;
  --cyan: #8bcbff;
  --yellow: #f0cc79;
  --amber: #e7bf87;
  --amber-glow: rgba(231, 191, 135, 0.22);
  --danger: #ff8d85;
  --shadow: rgba(0, 0, 0, 0.32);
  --button-contrast: #1b140c;
  --focus-ring: rgba(231, 191, 135, 0.32);
  --bg-aura-1: rgba(139, 203, 255, 0.12);
  --bg-aura-2: rgba(105, 215, 162, 0.10);
  --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', 'JetBrains Mono', Menlo, Monaco, Consolas, monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg-body: #f6f1e7;
  --bg-card: #fffdf9;
  --bg-card-alt: #f4ede0;
  --border-card: #cabaa4;
  --text: #27343d;
  --text-strong: #162028;
  --muted: #62707c;
  --muted-info: #475564;
  --green: #0d7a57;
  --cyan: #0b5f8a;
  --yellow: #8a5d00;
  --amber: #8b6227;
  --amber-glow: rgba(139, 98, 39, 0.14);
  --danger: #b14333;
  --shadow: rgba(50, 44, 34, 0.12);
  --button-contrast: #fff9f1;
  --focus-ring: rgba(139, 98, 39, 0.18);
  --bg-aura-1: rgba(10, 147, 150, 0.12);
  --bg-aura-2: rgba(210, 165, 110, 0.12);
}

@media (prefers-color-scheme: light) {
  :root[data-theme="auto"] {
    color-scheme: light;
    --bg-body: #f6f1e7;
    --bg-card: #fffdf9;
    --bg-card-alt: #f4ede0;
    --border-card: #cabaa4;
    --text: #27343d;
    --text-strong: #162028;
    --muted: #62707c;
    --muted-info: #475564;
    --green: #0d7a57;
    --cyan: #0b5f8a;
    --yellow: #8a5d00;
    --amber: #8b6227;
    --amber-glow: rgba(139, 98, 39, 0.14);
    --danger: #b14333;
    --shadow: rgba(50, 44, 34, 0.12);
    --button-contrast: #fff9f1;
    --focus-ring: rgba(139, 98, 39, 0.18);
    --bg-aura-1: rgba(10, 147, 150, 0.12);
    --bg-aura-2: rgba(210, 165, 110, 0.12);
  }
}

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

body {
  background:
    radial-gradient(900px 460px at 0% -10%, var(--bg-aura-1), transparent 60%),
    radial-gradient(780px 420px at 100% 0%, var(--bg-aura-2), transparent 58%),
    linear-gradient(180deg, var(--bg-body), var(--bg-body));
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  transition: background 0.25s ease, color 0.25s ease;
}

.container {
  max-width: 760px;
  width: 100%;
  padding: 3rem 2rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--amber);
  color: var(--button-contrast);
  padding: 0.5rem 1rem;
  font-weight: 600;
  border-radius: 0 0 6px 0;
  z-index: 100;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
}

:where(a, button, input, select, textarea, summary, [role="button"], [tabindex]:not([tabindex="-1"])):focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--focus-ring);
}

.site-header {
  margin-bottom: 2.5rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: flex-end;
}

.brand-copy {
  display: grid;
  gap: 0.4rem;
}

.title {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text-strong);
  letter-spacing: 0.02em;
}

.tagline {
  color: var(--muted);
  font-size: 0.95rem;
}

.theme-controls {
  display: flex;
  align-items: flex-end;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.theme-toggle {
  min-width: 7rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.theme-toggle__icon {
  font-size: 1rem;
  line-height: 1;
}

.theme-picker {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.03em;
}

.theme-picker select {
  appearance: none;
  background-color: var(--bg-card);
  background-image:
    linear-gradient(45deg, transparent 50%, var(--amber) 50%),
    linear-gradient(135deg, var(--amber) 50%, transparent 50%);
  background-position:
    calc(100% - 16px) calc(1em + 1px),
    calc(100% - 11px) calc(1em + 1px);
  background-repeat: no-repeat;
  background-size: 5px 5px, 5px 5px;
  border: 1px solid var(--border-card);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  min-width: 11rem;
  padding: 0.65rem 2.2rem 0.65rem 0.75rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.theme-picker select:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--focus-ring);
}

.search-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.activity-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 12px;
  box-shadow: 0 20px 42px -30px var(--shadow);
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.activity-panel__header {
  align-items: baseline;
  background: linear-gradient(90deg, var(--amber-glow), transparent 55%);
  border-bottom: 1px solid var(--border-card);
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.8rem;
  justify-content: space-between;
  padding: 1rem 1.1rem 0.85rem;
}

.activity-panel__title {
  color: var(--text-strong);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.activity-panel__caption {
  color: var(--muted);
  font-size: 0.85rem;
}

.activity-list {
  display: grid;
  gap: 0;
  list-style: none;
}

.activity-list__item {
  align-items: center;
  border-top: 1px solid var(--border-card);
  column-gap: 1rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: 0.95rem 1.1rem;
}

.activity-list__item:first-child {
  border-top: 0;
}

.activity-list__link {
  align-items: center;
  color: var(--text-strong);
  display: inline-flex;
  gap: 0.65rem;
  min-width: 0;
}

.activity-list__title {
  min-width: 0;
  overflow-wrap: anywhere;
}

.activity-list__meta {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  white-space: nowrap;
}

.search-form input[type="text"] {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.search-form input[type="text"]:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.search-form input[type="text"]::placeholder {
  color: var(--muted);
}

button {
  background: transparent;
  border: 1px solid var(--amber);
  border-radius: 6px;
  color: var(--amber);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

button:hover {
  background: var(--amber);
  color: var(--button-contrast);
}

.upload-zone {
  border: 2px dashed var(--border-card);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  color: var(--muted);
  cursor: pointer;
  transition: border-color 0.2s ease, outline-color 0.2s ease, background-color 0.2s ease;
  margin-bottom: 0.75rem;
  background: var(--bg-card);
}

.upload-zone:hover,
.upload-zone.dragover,
.upload-zone:focus-visible {
  border-color: var(--amber);
  outline: 2px solid var(--amber);
  outline-offset: 2px;
  background: var(--bg-card-alt);
}

.upload-status {
  color: var(--green);
  font-size: 0.9rem;
  min-height: 1.4em;
  margin-bottom: 0.25rem;
}

.upload-status.error {
  color: var(--danger);
}

.formats-note {
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

.results-heading {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-strong);
  margin-bottom: 1.5rem;
}

.results-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.results-pagination {
  margin-top: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pagination-link {
  align-items: center;
  border: 1px solid var(--border-card);
  border-radius: 6px;
  display: inline-flex;
  font-size: 0.9rem;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0 0.85rem;
  color: var(--amber);
  text-decoration: none;
}

.pagination-link:hover {
  border-color: var(--amber);
}

.pagination-link--disabled {
  color: var(--muted);
  border-color: var(--border-card);
}

.pagination-page {
  color: var(--muted-info);
  font-size: 0.9rem;
}

.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 8px;
  cursor: pointer;
  padding: 1.25rem;
  box-shadow: 0 18px 36px -26px var(--shadow);
  transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.result-card:focus-visible {
  border-color: var(--amber);
  background: color-mix(in srgb, var(--amber) 6%, var(--bg-card));
}

.result-card__link {
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: 6px;
  margin: -0.25rem -0.25rem 0.5rem;
  padding: 0.25rem;
  transition: background-color 0.15s ease;
}

.result-card__link:hover,
.result-card__link:focus-visible {
  background: var(--bg-card-alt);
  background: color-mix(in srgb, var(--cyan) 8%, transparent);
}

.result-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.result-source {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.file-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: var(--amber);
  color: var(--button-contrast);
  border: 1px solid var(--amber);
  border: 1px solid color-mix(in srgb, var(--amber) 72%, var(--bg-card));
  vertical-align: middle;
}

.result-score {
  color: var(--yellow);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.result-chunk {
  color: var(--text);
  line-height: 1.7;
  white-space: pre-wrap;
  font-size: 0.95rem;
}

/* Provenance fields in result cards */
.result-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-strong);
  margin-bottom: 0.1rem;
}

.result-file--sub {
  font-size: 0.8rem;
  color: var(--muted);
  font-family: var(--font-mono);
  margin-bottom: 0.1rem;
}

.result-byline {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.15rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem;
}

.byline-authors { color: var(--text); }
.byline-year { color: var(--cyan); font-family: var(--font-mono); }
.byline-pub { color: var(--muted); font-style: italic; }
.byline-sep { color: var(--border-card); }

.result-card__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.result-doi, .result-license {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.78rem;
}

.doi-link {
  color: var(--cyan);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.doi-link:hover { text-decoration: underline; }

.chip-row--years { margin-top: 0.25rem; }

.filter-chip--year input ~ span { color: var(--cyan); }

mark {
  background: var(--amber-glow);
  color: var(--text-strong);
  border-radius: 2px;
  padding: 0 0.1em;
}

.no-results {
  color: var(--muted);
  font-size: 1rem;
  text-align: center;
  padding: 2rem 0;
}

a {
  color: var(--amber);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.back-link {
  display: inline-block;
  margin-top: 2rem;
  font-size: 0.95rem;
}

footer {
  margin-top: 3rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 600px) {
  .container {
    padding: 2rem 1rem;
  }

  .site-header {
    align-items: stretch;
  }

  .title {
    font-size: 1.8rem;
  }

  .theme-controls {
    width: 100%;
  }

  .theme-picker {
    flex: 1 1 100%;
  }

  .theme-picker select {
    width: 100%;
  }

  .search-form {
    flex-direction: column;
  }

  .activity-list__item {
    grid-template-columns: 1fr;
    row-gap: 0.35rem;
  }

  .activity-list__meta {
    white-space: normal;
  }

  .search-form input[type="text"],
  button {
    font-size: 0.9rem;
  }

  .result-chunk {
    font-size: 0.9rem;
  }
}

/* ── Recent searches dropdown (#168) ────────────────────────────────────── */
.search-input-wrap {
  flex: 1;
  position: relative;
}

.search-input-wrap input[type="text"] {
  width: 100%;
  box-sizing: border-box;
}

.search-history-list {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  list-style: none;
  margin: 0;
  padding: 4px 0;
  z-index: 100;
  max-height: 240px;
  overflow-y: auto;
}

.search-history-item {
  padding: 0.5rem 1rem;
  cursor: pointer;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-history-item:hover,
.search-history-item--focused {
  background: var(--bg-hover, var(--bg-card));
  color: var(--amber);
}

/* ── Deployment context indicator ─────────────────────────────────── */
.local-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--muted);
  padding: 6px 0 2px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--green);
  box-shadow: 0 0 4px var(--green);
}

.local-indicator--hosted {
  color: var(--yellow);
}

.status-dot--hosted {
  background: var(--yellow);
  box-shadow: 0 0 4px var(--yellow);
}

/* ── Guided query refinement chips ──────────────────────────────── */
.refinements-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 0 4px;
}

.refinements-label {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
  margin-right: 4px;
}

.refinement-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--border-card);
  background: var(--bg-card-alt);
  color: var(--cyan);
  font-size: 0.8rem;
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}

.refinement-chip:hover,
.refinement-chip:focus-visible {
  border-color: var(--cyan);
  background: rgba(139, 203, 255, 0.08);
}

/* ── Gutter provenance panel ─────────────────────────────────────── */
.results-with-gutter {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.results-with-gutter .results-list {
  flex: 1 1 0;
  min-width: 0;
}

.gutter-panel {
  width: 260px;
  flex-shrink: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 10px;
  padding: 16px;
  position: sticky;
  top: 20px;
  align-self: flex-start;
  font-size: 0.82rem;
  color: var(--text);
}

.gutter-panel:focus {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.gutter-close {
  position: absolute;
  top: 10px;
  right: 10px;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  height: 44px;
  justify-content: center;
  line-height: 1;
  min-height: 44px;
  min-width: 44px;
  padding: 0;
  font-size: 1rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
}

.gutter-close:hover {
  color: var(--text);
}

.gutter-header {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  padding-right: 20px;
}

.gutter-icon {
  font-size: 1.4rem;
  color: var(--amber);
  flex-shrink: 0;
}

.gutter-filename {
  font-weight: 600;
  color: var(--text-strong);
  word-break: break-all;
  margin-bottom: 2px;
}

.gutter-collection-label {
  color: var(--muted);
  font-size: 0.75rem;
}

.gutter-meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 10px;
  margin: 0;
}

.gutter-meta dt {
  color: var(--muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  align-self: baseline;
  white-space: nowrap;
}

.gutter-meta dd {
  color: var(--text);
  word-break: break-all;
  margin: 0;
}

.gutter-source-path {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  .results-with-gutter {
    flex-direction: column;
  }
  .gutter-panel {
    width: 100%;
    position: static;
  }
}

/* Sidebar navigation links */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0.5rem 0.75rem;
}

.sidebar-nav__link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.6rem;
  border-radius: 6px;
  font-size: 0.88rem;
  color: var(--muted);
  text-decoration: none;
  transition: background-color 0.15s, color 0.15s;
}

.sidebar-nav__link:hover,
.sidebar-nav__link:focus-visible {
  background: var(--bg-card-alt);
  background: color-mix(in srgb, var(--cyan) 10%, transparent);
  color: var(--text-strong);
}

.sidebar-nav__link .material-symbols-outlined {
  font-size: 1.1rem;
}

/* Browse page */
.browse-section {
  margin-bottom: 2rem;
}

.browse-section__title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}

.browse-section__title .material-symbols-outlined {
  font-size: 1rem;
}

.browse-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
}

.browse-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, background-color 0.15s;
  text-align: center;
}

.browse-card:hover,
.browse-card:focus-visible {
  border-color: var(--cyan);
  background: var(--bg-card-alt);
  background: color-mix(in srgb, var(--cyan) 5%, var(--bg-card));
}

.browse-card__icon {
  font-size: 2rem;
  color: var(--amber);
}

.browse-card__name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-strong);
}

.browse-card__count {
  font-size: 0.75rem;
  color: var(--muted);
  font-family: var(--font-mono);
}

.browse-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.browse-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.65rem;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 20px;
  text-decoration: none;
  color: inherit;
  font-size: 0.82rem;
  transition: border-color 0.15s, background-color 0.15s;
}

.browse-chip:hover,
.browse-chip:focus-visible {
  border-color: var(--cyan);
  color: var(--text-strong);
}

.browse-chip__count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
}

.browse-chip--year .byline-year { font-family: var(--font-mono); }
.browse-chip--author .byline-authors { color: var(--text); }

/* ── App shell: sidebar + main column layout ─────────────────────── */
.app-shell {
  display: flex;
  align-items: flex-start;
  min-height: 100vh;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
}

.sidebar {
  width: 240px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 1.5rem 0;
  position: sticky;
  top: 0;
  max-height: 100vh;
  overflow-y: auto;
}

.main-column {
  flex: 1;
  min-width: 0;
  padding: 2rem 2rem 2rem 1.5rem;
}

/* ── Sidebar cards ───────────────────────────────────────────────── */
.sidebar-card {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-card);
}

.sidebar-card:last-child {
  border-bottom: none;
}

.sidebar-card--brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 1.1rem 1rem 1rem;
}

.brand-mark {
  color: var(--amber);
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1;
}

.brand-mark .material-symbols-outlined {
  font-size: 1.5rem;
}

.brand-kicker {
  font-size: 0.65rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1;
  margin-bottom: 0.15rem;
}

/* ── Sidebar label rows (collections header) ─────────────────────── */
.sidebar-label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.sidebar-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 600;
}

.sidebar-total {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
}

/* ── Collection list in sidebar ──────────────────────────────────── */
.collection-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.collection-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  padding: 0.2rem 0;
  font-size: 0.82rem;
}

.collection-item label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex: 1;
  min-width: 0;
  cursor: default;
}

.collection-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
}

.collection-count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  flex-shrink: 0;
}

/* ── Sidebar footer ──────────────────────────────────────────────── */
.sidebar-foot {
  padding: 0.75rem 1rem 0.5rem;
  margin-top: auto;
  font-size: 0.72rem;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

/* ── Built with Alcove attribution badge (#530) ──────────────────── */
.alcove-attribution {
  display: inline-block;
  margin-top: 0.25rem;
  font-size: 0.68rem;
  color: var(--muted);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.15s ease;
}
.alcove-attribution:hover {
  opacity: 1;
  color: var(--amber);
}

/* ── Zero state guidance ─────────────────────────────────────────── */
.zero-state {
  text-align: center;
  padding: 2.5rem 1.5rem;
  color: var(--muted);
}

.zero-state__title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-strong);
  margin-bottom: 0.5rem;
}

.zero-state__body {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

/* ── Responsive: collapse sidebar on narrow screens ──────────────── */
@media (max-width: 800px) {
  .app-shell {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    position: static;
    max-height: none;
    overflow: visible;
    padding: 1rem 0 0;
    border-bottom: 1px solid var(--border-card);
  }

  .main-column {
    padding: 1.25rem 1rem;
  }
}

/* Congress pages */
.congress-home,
.congress-search-layout,
.congress-bill-detail {
  display: grid;
  gap: 1rem;
}

.congress-hero {
  background: linear-gradient(145deg, var(--bg-card-alt), var(--bg-card));
  background: linear-gradient(145deg, color-mix(in srgb, var(--bg-card-alt) 82%, transparent), var(--bg-card));
  border: 1px solid var(--border-card);
  border-radius: 12px;
  box-shadow: 0 18px 36px -26px var(--shadow);
  display: grid;
  gap: 0.75rem;
  padding: 1.1rem;
}

.congress-hero__icon {
  color: var(--amber);
  font-size: 1.9rem;
}

.congress-hero__title {
  color: var(--text-strong);
  font-family: var(--font-mono);
  font-size: 1.2rem;
}

.congress-hero__subtitle {
  color: var(--muted);
  font-size: 0.95rem;
}

.congress-hero__form {
  display: flex;
  gap: 0.55rem;
}

.congress-hero__input {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 8px;
  color: var(--text);
  flex: 1;
  font-size: 0.95rem;
  padding: 0.7rem 0.8rem;
}

.congress-hero__submit,
.filter-submit {
  background: var(--amber);
  border-color: transparent;
  color: var(--button-contrast);
  font-weight: 700;
  min-height: 44px;
}

.congress-hero__submit:hover,
.filter-submit:hover {
  filter: brightness(0.95);
}

.congress-stats {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.congress-stat {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 10px;
  display: grid;
  gap: 0.2rem;
  padding: 0.85rem 0.9rem;
}

.congress-stat__value {
  color: var(--text-strong);
  font-family: var(--font-mono);
  font-size: 1rem;
}

.congress-stat__label {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.congress-browse {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 10px;
  display: grid;
  gap: 0.65rem;
  padding: 1rem;
}

.congress-source-callout {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.congress-browse__heading {
  color: var(--text-strong);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.congress-type-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
}

.congress-type-chip {
  border: 1px solid var(--border-card);
  border-radius: 999px;
  color: var(--text);
  display: inline-flex;
  font-size: 0.84rem;
  gap: 0.35rem;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0 0.7rem;
  text-decoration: none;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.congress-type-chip:hover,
.congress-type-chip:focus-visible {
  background: var(--bg-card-alt);
  background: color-mix(in srgb, var(--amber) 16%, transparent);
  border-color: var(--amber);
  color: var(--text-strong);
}

.congress-source-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.congress-source-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 10px;
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
}

.congress-source-card__header {
  display: grid;
  gap: 0.25rem;
}

.congress-source-card__eyebrow {
  color: var(--amber);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.congress-source-card__title {
  color: var(--text-strong);
  font-size: 1rem;
}

.congress-source-card__body {
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.55;
}

.congress-source-card__meta {
  display: grid;
  gap: 0.25rem;
}

.congress-source-card__meta dt {
  color: var(--muted-info);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.congress-source-card__meta dd {
  color: var(--text);
  margin: 0 0 0.5rem;
  overflow-wrap: anywhere;
}

.congress-source-card__meta a {
  color: var(--amber);
  text-decoration: none;
}

.congress-source-card__meta a:hover,
.congress-source-card__meta a:focus-visible {
  text-decoration: underline;
}

.congress-source-card__meta code,
.congress-source-collections code {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.83rem;
}

.congress-source-collections {
  display: grid;
  gap: 0.45rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.congress-search-layout {
  align-items: start;
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(250px, 300px) minmax(0, 1fr);
}

.congress-filters,
.congress-results,
.bill-detail__header,
.bill-detail__body {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 10px;
  padding: 1rem;
}

.filter-group {
  display: grid;
  gap: 0.3rem;
  margin-bottom: 0.8rem;
}

.filter-label {
  color: var(--muted-info);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.filter-input,
.filter-select {
  background: var(--bg-card-alt);
  border: 1px solid var(--border-card);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.92rem;
  min-height: 44px;
  padding: 0.58rem 0.64rem;
}

.congress-results {
  min-height: 360px;
}

.congress-mode-banner {
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--amber) 12%, var(--bg-card-alt)), var(--bg-card-alt));
  border: 1px solid color-mix(in srgb, var(--amber) 32%, var(--border-card));
  border-radius: 12px;
  display: grid;
  gap: 0.45rem;
  margin-bottom: 0.95rem;
  padding: 0.95rem 1rem;
}

.congress-mode-banner__eyebrow {
  color: var(--amber);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.congress-mode-banner__title {
  color: var(--text-strong);
  font-size: 1.15rem;
  line-height: 1.25;
}

.congress-mode-banner__summary {
  color: var(--muted);
  font-size: 0.9rem;
}

.congress-mode-banner__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  list-style: none;
}

.congress-mode-banner__chip {
  align-items: center;
  background: color-mix(in srgb, var(--bg-card) 82%, transparent);
  border: 1px solid var(--border-card);
  border-radius: 999px;
  display: inline-flex;
  gap: 0.35rem;
  padding: 0.28rem 0.7rem;
  font-size: 0.8rem;
}

.congress-mode-banner__chip span {
  color: var(--muted);
}

.congress-results__header {
  margin-bottom: 0.8rem;
}

.congress-results__count {
  color: var(--muted-info);
  font-size: 0.82rem;
}

.congress-bill-list {
  display: grid;
  gap: 0.7rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.congress-bill-card {
  background: var(--bg-card-alt);
  border: 1px solid var(--border-card);
  border-radius: 10px;
  display: grid;
  gap: 0.55rem;
  padding: 0.9rem;
}

.bill-card__header {
  align-items: baseline;
  display: flex;
  gap: 0.5rem;
  justify-content: space-between;
}

.bill-card__title {
  color: var(--text-strong);
  font-weight: 600;
  text-decoration: none;
}

.bill-card__title:hover,
.bill-card__title:focus-visible {
  text-decoration: underline;
}

.bill-card__number {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.bill-card__summary {
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.55;
}

.bill-card__meta {
  align-items: center;
  color: var(--muted-info);
  display: flex;
  flex-wrap: wrap;
  font-size: 0.8rem;
  gap: 0.45rem 0.65rem;
}

.bill-card__govlink,
.bill-detail__govlink {
  color: var(--amber);
  text-decoration: none;
}

.bill-card__govlink:hover,
.bill-detail__govlink:hover {
  text-decoration: underline;
}

.bill-detail__header,
.bill-detail__body {
  display: grid;
  gap: 0.75rem;
}

.bill-back-link {
  color: var(--muted-info);
  font-size: 0.86rem;
}

.bill-detail__title-row {
  align-items: baseline;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.bill-detail__title {
  color: var(--text-strong);
  font-size: 1.25rem;
}

.bill-detail__number {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.bill-detail__meta-row {
  align-items: center;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 0.84rem;
  gap: 0.45rem 0.65rem;
}

.bill-detail__congress,
.bill-detail__date {
  color: var(--muted);
}

.bill-section {
  border-top: 1px solid var(--border-card);
  padding-top: 0.7rem;
}

.bill-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.bill-section__heading {
  color: var(--text-strong);
  font-size: 0.95rem;
  margin-bottom: 0.3rem;
}

.bill-section__text {
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.55;
  white-space: pre-wrap;
}

.bill-status-badge {
  border: 1px solid transparent;
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.18rem 0.52rem;
  text-transform: uppercase;
}

.bill-status-badge[data-status="introduced"] {
  background: transparent;
  border-color: var(--amber);
  background: color-mix(in srgb, var(--amber) 18%, transparent);
  border-color: color-mix(in srgb, var(--amber) 40%, transparent);
  color: var(--amber);
}

.bill-status-badge[data-status="in_committee"] {
  background: transparent;
  border-color: var(--committee, var(--cyan));
  background: color-mix(in srgb, var(--committee, var(--cyan)) 16%, transparent);
  border-color: color-mix(in srgb, var(--committee, var(--cyan)) 35%, transparent);
  color: var(--committee, var(--cyan));
}

.bill-status-badge[data-status="passed-house"] {
  background: transparent;
  border-color: var(--green);
  background: color-mix(in srgb, var(--green) 16%, transparent);
  border-color: color-mix(in srgb, var(--green) 35%, transparent);
  color: var(--green);
}

.bill-status-badge[data-status="passed-senate"] {
  background: transparent;
  border-color: var(--cyan);
  background: color-mix(in srgb, var(--cyan) 16%, transparent);
  border-color: color-mix(in srgb, var(--cyan) 35%, transparent);
  color: var(--cyan);
}

.bill-status-badge[data-status="enacted"] {
  background: transparent;
  border-color: var(--yellow);
  background: color-mix(in srgb, var(--yellow) 20%, transparent);
  border-color: color-mix(in srgb, var(--yellow) 36%, transparent);
  color: var(--yellow);
}

.bill-status-badge[data-status="vetoed"] {
  background: transparent;
  border-color: var(--danger);
  background: color-mix(in srgb, var(--danger) 16%, transparent);
  border-color: color-mix(in srgb, var(--danger) 32%, transparent);
  color: var(--danger);
}

.congress-loading,
.congress-empty,
.congress-error {
  color: var(--muted-info);
  font-size: 0.9rem;
  padding: 1.3rem 0;
}

.congress-pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.9rem;
}

.congress-pagination a,
.congress-pagination span {
  align-items: center;
  border: 1px solid var(--border-card);
  border-radius: 7px;
  color: var(--text);
  display: inline-flex;
  font-size: 0.8rem;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0 0.7rem;
  text-decoration: none;
}

.congress-pagination a:hover,
.congress-pagination a:focus-visible {
  border-color: var(--amber);
  color: var(--text-strong);
  background: color-mix(in srgb, var(--amber) 14%, transparent);
}

.congress-pagination .is-current {
  background: var(--amber-glow);
  border-color: var(--amber);
  color: var(--amber);
}

@media (max-width: 960px) {
  .congress-search-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .congress-hero__form {
    flex-direction: column;
  }
  .congress-stats {
    grid-template-columns: 1fr;
  }
}