/* SemanticSearchPage — sidebar → "Search the corpus".
   Layout follows the other top-level pages (SavedStudies, RecentlyOpened):
   topbar at the top, then a hero, then either default state (starters +
   recent) or a results stream. */

/* ── Hero ─────────────────────────────────────────────────── */
.sem-hero {
  max-width: 880px;
  margin: 0 auto;
  padding: 56px 32px 24px;
}
.sem-h1 {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--tan-ink);
  margin: 0 0 8px;
  line-height: 1.1;
}
.sem-sub {
  font: 400 15.5px var(--font-sans);
  color: var(--tan-fg-2);
  line-height: 1.55;
  max-width: 640px;
  margin: 0 0 24px;
}

/* Search input — big, prominent, focused on mount */
.sem-input-wrap {
  position: relative;
  display: flex; align-items: center;
  background: var(--tan-bg);
  border: 1.5px solid var(--tan-border-2);
  border-radius: var(--r-lg);
  padding: 0 14px;
  height: 56px;
  transition: border-color .15s, box-shadow .15s;
  margin-bottom: 18px;
}
.sem-input-wrap:focus-within {
  border-color: var(--tan-cyan-600);
  box-shadow: 0 0 0 3px rgba(61,202,220,.12);
}
.sem-input-icon {
  display: inline-flex;
  color: var(--tan-fg-3);
  margin-right: 12px;
}
.sem-input {
  flex: 1;
  border: 0;
  outline: none;
  background: transparent;
  font: 400 17px var(--font-sans);
  color: var(--tan-ink);
  padding: 0;
}
.sem-input::placeholder {
  color: var(--tan-fg-4);
}
.sem-clear {
  background: transparent;
  border: 0;
  font: 400 22px/1 var(--font-sans);
  color: var(--tan-fg-3);
  cursor: pointer;
  padding: 4px 10px;
  border-radius: var(--r-sm);
}
.sem-clear:hover {
  background: var(--tan-bg-soft);
  color: var(--tan-ink);
}
.sem-input-hint {
  font: 400 12px var(--font-meta);
  color: var(--tan-fg-3);
  margin-left: 8px;
  white-space: nowrap;
}
.sem-input-hint kbd {
  display: inline-block;
  padding: 2px 6px;
  font: 600 11px var(--font-meta);
  background: var(--tan-bg-soft);
  border: 1px solid var(--tan-border-2);
  border-radius: 3px;
  color: var(--tan-fg-2);
  margin-right: 4px;
}

/* Scope chip row */
.sem-scopes {
  display: flex; flex-wrap: wrap;
  gap: 8px;
}
.sem-scope {
  font: 500 13px var(--font-sans);
  color: var(--tan-fg-2);
  background: transparent;
  border: 1px solid var(--tan-border-2);
  border-radius: var(--r-full);
  padding: 6px 14px;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  transition: background .15s, border-color .15s, color .15s;
}
.sem-scope:hover {
  border-color: var(--tan-border-3);
  color: var(--tan-ink);
}
.sem-scope.on {
  background: var(--tan-ink);
  border-color: var(--tan-ink);
  color: #fff;
}
.sem-scope-count {
  font: 600 11px var(--font-meta);
  background: rgba(255,255,255,.18);
  padding: 1px 6px;
  border-radius: var(--r-full);
}
.sem-scope:not(.on) .sem-scope-count {
  background: var(--tan-bg-soft);
  color: var(--tan-fg-3);
}

/* ── Default state — starters + recent ────────────────────── */
.sem-defaults {
  max-width: 880px;
  margin: 0 auto;
  padding: 12px 32px 64px;
  display: flex; flex-direction: column; gap: 36px;
}
.sem-default-block { display: flex; flex-direction: column; gap: 12px; }
.sem-default-head {
  font: 600 11px var(--font-meta);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--tan-fg-3);
  margin: 0;
}
.sem-starters {
  display: flex; flex-wrap: wrap;
  gap: 8px;
}
.sem-starter {
  font: 500 13.5px var(--font-sans);
  color: var(--tan-cyan-600);
  background: rgba(61,202,220,.08);
  border: 1px solid rgba(61,202,220,.25);
  border-radius: var(--r-full);
  padding: 7px 14px;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
}
.sem-starter:hover {
  background: rgba(61,202,220,.18);
  border-color: var(--tan-cyan-600);
  color: var(--tan-ink);
}

.sem-recent {
  list-style: none;
  margin: 0; padding: 0;
  border: 1px solid var(--tan-border-2);
  border-radius: var(--r-md);
  background: var(--tan-bg);
  overflow: hidden;
}
.sem-recent-item {
  display: grid;
  grid-template-columns: 24px 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  font: 400 14px var(--font-sans);
  color: var(--tan-fg-1);
  cursor: pointer;
  border-top: 1px solid var(--tan-border-1);
  transition: background .12s;
}
.sem-recent-item:first-child { border-top: 0; }
.sem-recent-item:hover { background: var(--tan-bg-soft); }
.sem-recent-ico { color: var(--tan-fg-3); display: inline-flex; }
.sem-recent-q { color: var(--tan-ink); font-weight: 500; }
.sem-recent-hits {
  font: 600 11px var(--font-meta);
  color: var(--tan-fg-3);
  letter-spacing: .04em;
}
.sem-recent-when {
  font: 400 12px var(--font-sans);
  color: var(--tan-fg-3);
}

/* ── Results stream ───────────────────────────────────────── */
.sem-results {
  max-width: 880px;
  margin: 0 auto;
  padding: 8px 32px 64px;
}
.sem-results-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--tan-border-2);
}
.sem-results-count {
  font: 400 13px var(--font-sans);
  color: var(--tan-fg-2);
}
.sem-results-count strong { color: var(--tan-ink); font-weight: 600; }
.sem-save-search {
  font: 600 12px var(--font-ui);
  color: var(--tan-cyan-600);
  background: transparent;
  border: 1px solid var(--tan-cyan-600);
  border-radius: var(--r-md);
  padding: 6px 12px;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.sem-save-search:hover {
  background: var(--tan-cyan-600);
  color: #fff;
}
.sem-empty {
  padding: 32px 0;
  text-align: center;
  color: var(--tan-fg-3);
  font: 400 14px var(--font-sans);
}

/* Result card */
.sem-result {
  display: grid;
  grid-template-columns: 32px 1fr 18px;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 8px;
  border-bottom: 1px solid var(--tan-border-1);
  cursor: pointer;
  transition: background .12s;
}
.sem-result:hover { background: var(--tan-bg-soft); }
.sem-result-icon {
  width: 32px; height: 32px;
  border-radius: var(--r-md);
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--tan-bg-soft);
  color: var(--tan-fg-2);
}
.sem-result.kind-passage .sem-result-icon { background: rgba(61,202,220,.12); color: var(--tan-cyan-600); }
.sem-result.kind-voice   .sem-result-icon { background: rgba(199,102,34,.12);   color: #b8512c; }
.sem-result.kind-library .sem-result-icon { background: rgba(139,109,158,.14); color: #6b4fbe; }
.sem-result.kind-topic   .sem-result-icon { background: rgba(212,162,76,.14);  color: #a87416; }
.sem-result-body { display: flex; flex-direction: column; gap: 4px; }
.sem-result-meta-top {
  display: flex; align-items: center; gap: 8px;
  font: 600 10.5px var(--font-meta);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--tan-fg-3);
}
.sem-result-kind { font-weight: 600; }
.sem-result-relevance {
  font-weight: 500;
  color: var(--tan-cyan-600);
  background: rgba(61,202,220,.08);
  padding: 1px 8px;
  border-radius: var(--r-full);
  letter-spacing: .04em;
  text-transform: none;
  font-size: 10px;
}
.sem-result-title {
  font: 600 16px var(--font-sans);
  color: var(--tan-ink);
  margin: 0;
  letter-spacing: -.005em;
}
.sem-result-snippet {
  font: 400 13.5px var(--font-sans);
  color: var(--tan-fg-2);
  margin: 0;
  line-height: 1.55;
}
.sem-result-meta {
  font: 400 12px var(--font-sans);
  color: var(--tan-fg-3);
  margin-top: 2px;
}
.sem-result-open-hint {
  margin-top: 6px;
  font: 600 11px var(--font-meta);
  letter-spacing: .04em;
  color: var(--tan-cyan-600);
}
.sem-result:hover .sem-result-open-hint { text-decoration: underline; }
.sem-result-arrow {
  color: var(--tan-fg-4);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  margin-top: 6px;
  transition: color .12s, transform .12s;
}
.sem-result:hover .sem-result-arrow {
  color: var(--tan-cyan-600);
  transform: translateX(2px);
}

/* Mobile */
@media (max-width: 720px) {
  .sem-hero { padding: 32px 18px 18px; }
  .sem-h1 { font-size: 28px; }
  .sem-sub { font-size: 14px; }
  .sem-input-wrap { height: 50px; }
  .sem-input { font-size: 15px; }
  .sem-input-hint { display: none; }
  .sem-defaults, .sem-results { padding-left: 18px; padding-right: 18px; }
  .sem-result { grid-template-columns: 28px 1fr; gap: 12px; padding: 14px 4px; }
  .sem-result-arrow { display: none; }
  .sem-recent-item { grid-template-columns: 20px 1fr auto; }
  .sem-recent-hits { display: none; }
}