/* Samvaad: portrait gallery and grounded conversations. Loaded after app.css (tokens, composer, buttons). */

.sv {
  --sv-max: 1120px;
  --sv-chat: 760px;
  --sv-warm: #f6f1ea;
  --sv-ink-soft: color-mix(in srgb, var(--text) 72%, transparent);
  --sv-context: color-mix(in srgb, #b7791f 10%, var(--surface));
  --sv-context-line: color-mix(in srgb, #b7791f 45%, transparent);
  min-height: 100%;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .sv { --sv-warm: #2a2622; --sv-context: color-mix(in srgb, #d69e2e 12%, var(--surface)); }
}
:root[data-theme="dark"] .sv { --sv-warm: #2a2622; --sv-context: color-mix(in srgb, #d69e2e 12%, var(--surface)); }

/* Gallery */

.sv-gallery { max-width: var(--sv-max); margin: 0 auto; padding: clamp(28px, 6vh, 64px) clamp(16px, 3vw, 28px) 80px; }
.sv-hero { max-width: 720px; margin: 0 auto 36px; text-align: center; }
.sv-title { margin: 0 0 14px; font: 700 clamp(30px, 4.6vw, 48px)/1.08 var(--font-display); letter-spacing: -0.035em; }
.sv-title span { color: var(--text-2); }
.sv-lede { margin: 0 auto 18px; max-width: 600px; color: var(--text-2); font-size: 17px; line-height: 1.5; }
.sv-disclaimer {
  display: inline-flex; align-items: center; gap: 8px; margin: 0;
  padding: 8px 14px; border-radius: 999px;
  background: var(--raised); color: var(--text-2); font-size: 13px; line-height: 1.35; text-align: left;
}
.sv-disclaimer svg { width: 16px; height: 16px; flex: none; }

.sv-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 22px 18px; }
.sv-card {
  position: relative; display: flex; flex-direction: column; gap: 10px;
  color: inherit; text-decoration: none; border-radius: 20px;
  animation: rise 0.35s var(--ease) both;
}
.sv-card-art {
  position: relative; aspect-ratio: 4 / 5; overflow: hidden; border-radius: 20px;
  background: linear-gradient(160deg, var(--sv-warm), var(--raised));
  box-shadow: 0 0 0 0.5px var(--line-strong), var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.sv-card-art img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 22%;
  filter: saturate(0.92); opacity: 0; transition: opacity 0.5s ease, transform 0.6s var(--ease);
}
.sv-card-art img.is-loaded { opacity: 1; }
.sv-card-art::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 45%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.55), transparent);
}
.sv-card-mono {
  position: absolute; inset: 0; display: grid; place-items: center;
  color: color-mix(in srgb, var(--text) 22%, transparent); font: 600 64px/1 var(--font-display);
}
.sv-card-years {
  position: absolute; z-index: 1; left: 14px; bottom: 12px;
  color: rgba(255, 255, 255, 0.92); font: 600 12px/1 var(--font); letter-spacing: 0.04em; font-variant-numeric: tabular-nums;
}
.sv-card-badge {
  position: absolute; z-index: 1; right: 10px; top: 10px; padding: 4px 9px; border-radius: 999px;
  background: rgba(20, 20, 20, 0.4); color: #fff; font-size: 11px; font-weight: 600;
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.sv-card:hover .sv-card-art { transform: translateY(-3px); box-shadow: 0 0 0 0.5px var(--line-strong), var(--shadow-md); }
.sv-card:hover .sv-card-art img { transform: scale(1.03); }
.sv-card:focus-visible { outline: none; }
.sv-card:focus-visible .sv-card-art { box-shadow: 0 0 0 3px var(--bg), 0 0 0 5px var(--accent); }
.sv-card-copy { padding: 0 2px; }
.sv-card-name { margin: 0; font: 650 16px/1.25 var(--font-display); letter-spacing: -0.015em; }
.sv-card-native { margin: 1px 0 0; color: var(--text-2); font-size: 14px; }
.sv-card-role { margin: 4px 0 0; color: var(--text-3); font-size: 13px; line-height: 1.35;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }

/* Figure header */

.sv-figure { max-width: var(--sv-chat); margin: 0 auto; padding: 22px clamp(14px, 3vw, 24px) 0; min-height: calc(100vh - 58px); display: flex; flex-direction: column; }
.sv-head { display: flex; align-items: center; gap: 16px; }
.sv-head-photo {
  position: relative; flex: none; width: 72px; height: 72px; border-radius: 50%; overflow: hidden;
  background: linear-gradient(160deg, var(--sv-warm), var(--raised)); box-shadow: 0 0 0 0.5px var(--line-strong), var(--shadow-sm);
  display: grid; place-items: center; color: var(--text-3); font: 600 26px/1 var(--font-display);
}
.sv-head-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 20%; }
.sv-head-copy { flex: 1; min-width: 0; }
.sv-head-name { margin: 0; font: 700 clamp(22px, 3vw, 28px)/1.15 var(--font-display); letter-spacing: -0.03em; }
.sv-native { color: var(--text-2); font-weight: 500; font-size: 0.78em; letter-spacing: 0; }
.sv-head-meta { margin: 3px 0 0; color: var(--text-2); font-size: 14px; }
.sv-head-tools { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.sv-lang {
  display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 6px 0 10px;
  border: 1px solid var(--line-strong); border-radius: 999px; background: var(--surface); color: var(--text-2);
}
.sv-lang svg { width: 16px; height: 16px; }
.sv-lang select { border: 0; outline: none; background: transparent; color: var(--text); font-size: 14px; font-weight: 500; padding-right: 4px; }
.sv-real {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border-radius: 999px;
  background: color-mix(in srgb, var(--ok) 14%, transparent); color: color-mix(in srgb, var(--ok) 70%, var(--text));
  font-size: 13px; font-weight: 600; text-decoration: none;
}
.sv-real svg { width: 15px; height: 15px; }
.sv-real:hover { background: color-mix(in srgb, var(--ok) 22%, transparent); }
.sv-disclaimer-bar { display: flex; margin: 16px 0 6px; border-radius: 12px; }

/* Tabs */

.sv-tabs {
  position: sticky; top: 58px; z-index: 5;
  display: flex; gap: 2px; margin: 8px -4px 0; padding: 6px 4px;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px);
}
.sv-tab {
  padding: 7px 14px; border: 0; border-radius: 999px; background: transparent;
  color: var(--text-2); font-size: 14px; font-weight: 550;
  transition: background 0.15s, color 0.15s;
}
.sv-tab:hover { background: var(--hover); color: var(--text); }
.sv-tab.is-on { background: var(--text); color: var(--bg); }
.sv-panel { flex: 1; display: flex; flex-direction: column; padding-top: 14px; }
.sv-panel[hidden] { display: none; }

/* Conversation */

.sv-thread { display: flex; flex-direction: column; gap: 24px; }
.sv-turn { animation: rise 0.35s var(--ease); }
.sv-turn.user { display: flex; justify-content: flex-end; }
.sv-turn.user .bubble { max-width: 80%; }
.sv-turn.figure { display: flex; gap: 12px; }
.sv-avatar {
  position: relative; flex: none; width: 32px; height: 32px; border-radius: 50%; overflow: hidden;
  background: var(--raised); box-shadow: 0 0 0 0.5px var(--line-strong);
  display: grid; place-items: center; color: var(--text-3); font: 600 13px/1 var(--font-display);
}
.sv-avatar img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 20%; }
.sv-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 10px; padding-top: 4px; }
.sv-who { margin: 0; color: var(--text-2); font-size: 13px; font-weight: 600; }
.sv-who small { margin-left: 6px; color: var(--text-3); font-weight: 500; }
.sv-answer { line-height: 1.65; overflow-wrap: anywhere; font-size: 16px; }
.sv-answer p { margin: 0 0 10px; }
.sv-answer p:last-child { margin-bottom: 0; }
.sv-answer .cite { cursor: pointer; }
.sv-answer .cite:hover { background: var(--accent); color: var(--on-accent); }
.sv-context {
  margin: 4px 0 0; padding: 10px 14px; border-left: 3px solid var(--sv-context-line); border-radius: 4px 12px 12px 4px;
  background: var(--sv-context); color: var(--sv-ink-soft); font-size: 14.5px; line-height: 1.55;
}
.sv-context-label {
  display: block; margin-bottom: 3px; color: color-mix(in srgb, #b7791f 80%, var(--text));
  font: 700 11px/1.3 var(--font); letter-spacing: 0.05em; text-transform: uppercase;
}
.sv-redirect { padding: 10px 14px; border-radius: 12px; background: var(--raised); color: var(--text-2); font-size: 13px; }

.sv-srcs { display: flex; flex-wrap: wrap; gap: 6px; }
.sv-src {
  display: inline-flex; align-items: center; gap: 7px; max-width: 100%;
  padding: 5px 11px 5px 5px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface);
  color: var(--text); font-size: 13px; text-align: left; cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
}
.sv-src:hover { background: var(--raised); }
.sv-src b {
  display: inline-grid; place-items: center; flex: none; min-width: 20px; height: 20px; padding: 0 5px; border-radius: 999px;
  background: var(--raised); color: var(--text-2); font: 700 11px/1 var(--font); font-variant-numeric: tabular-nums;
}
.sv-src span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 260px; }
.sv-src em { color: var(--text-3); font-style: normal; }

.sv-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 2px; margin-left: -8px; }
.sv-actions .action.is-busy { opacity: 0.6; pointer-events: none; }
.sv-voice-note { color: var(--text-3); font-size: 12px; }
.sv-audio { width: 100%; max-width: 420px; height: 36px; }
.sv-meta { margin-left: 6px; color: var(--text-3); font-size: 12px; font-variant-numeric: tabular-nums; }

.sv-empty { margin: auto 0 0; padding: 28px 0 12px; text-align: center; }
.sv-empty[hidden] { display: none; }
.sv-empty-title { margin: 0 0 12px; color: var(--text-2); font: 600 15px/1.3 var(--font-display); }
.sv-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.sv-chips .chip { text-align: left; max-width: 100%; }
.sv-chips .chip.is-loading { width: 180px; height: 36px; animation: shimmer 1.4s infinite; background: var(--raised); border-color: transparent; }

.sv-dock { position: sticky; bottom: 0; z-index: 4; margin-top: 18px; padding: 14px 0 18px; background: linear-gradient(to bottom, transparent, var(--bg) 20px); }
.sv-composer { padding-left: 18px; }

/* Sources tab */

.sv-works { display: flex; flex-direction: column; gap: 10px; }
.sv-work { padding: 14px 16px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.sv-work h3 { margin: 0; font: 650 16px/1.3 var(--font-display); letter-spacing: -0.01em; }
.sv-work h3 a { color: inherit; text-decoration: none; }
.sv-work h3 a:hover { text-decoration: underline; }
.sv-work-meta { margin: 3px 0 0; color: var(--text-2); font-size: 13px; }
.sv-work-license { margin: 6px 0 0; color: var(--text-3); font-size: 12px; line-height: 1.4; }
.sv-summary { margin: 0 0 12px; color: var(--text-2); font-size: 14px; }
.sv-skipped { margin-top: 18px; color: var(--text-2); font-size: 13px; }
.sv-skipped summary { cursor: pointer; font-weight: 600; }
.sv-skipped ul { margin: 8px 0 0; padding-left: 18px; }
.sv-skipped li { margin: 3px 0; }

/* Timeline tab */

.sv-timeline { position: relative; margin: 4px 0 0; padding: 0 0 0 22px; list-style: none; }
.sv-timeline::before { content: ""; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px; border-radius: 2px; background: var(--line-strong); }
.sv-tl { position: relative; padding: 0 0 18px; }
.sv-tl::before {
  content: ""; position: absolute; left: -21px; top: 6px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--bg); box-shadow: inset 0 0 0 3px var(--text);
}
.sv-tl.anchor::before { box-shadow: inset 0 0 0 3px var(--text-3); }
.sv-tl-year { margin: 0; font: 700 15px/1.3 var(--font-display); font-variant-numeric: tabular-nums; }
.sv-tl-event { margin: 2px 0 0; font-size: 15px; }
.sv-tl-quote { margin: 6px 0 0; padding-left: 10px; border-left: 2px solid var(--line-strong); color: var(--text-2); font-size: 14px; font-style: italic; }
.sv-tl-src { margin-top: 6px; }

/* Quiz tab */

.sv-quiz { display: flex; flex-direction: column; gap: 14px; }
.sv-q { padding: 16px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.sv-q-text { margin: 0 0 10px; font: 600 16px/1.4 var(--font-display); }
.sv-q-text small { color: var(--text-3); font-weight: 600; margin-right: 6px; }
.sv-opts { display: grid; gap: 6px; }
.sv-opt {
  display: flex; align-items: center; gap: 10px; width: 100%; padding: 10px 12px;
  border: 1px solid var(--line-strong); border-radius: 12px; background: transparent; text-align: left; font-size: 15px;
  transition: background 0.12s, border-color 0.12s;
}
.sv-opt:hover:not(:disabled) { background: var(--hover); }
.sv-opt b { display: grid; place-items: center; flex: none; width: 24px; height: 24px; border-radius: 50%; background: var(--raised); font-size: 12px; }
.sv-opt:disabled { cursor: default; }
.sv-opt.is-right { border-color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); }
.sv-opt.is-wrong { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 10%, transparent); }
.sv-q-why { margin: 10px 0 0; color: var(--text-2); font-size: 14px; }
.sv-score { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; border-radius: 14px; background: var(--raised); font-weight: 600; }
.sv-key { color: var(--text-2); font-size: 14px; }

/* States */

.sv-note { margin: 0; padding: 22px; border: 1px dashed var(--line-strong); border-radius: 16px; color: var(--text-2); text-align: center; }
.sv-loading { display: flex; justify-content: center; padding: 28px; }
.sv-error { margin: 0; color: var(--bad); font-size: 14px; }

/* Passage side sheet */

.sv-scrim { position: fixed; inset: 0; z-index: 20; background: rgba(0, 0, 0, 0.28); animation: fade 0.25s ease; }
@keyframes fade { from { opacity: 0; } }
.sv-sheet {
  position: fixed; z-index: 21; top: 12px; right: 12px; bottom: 12px; width: min(440px, calc(100vw - 24px));
  display: flex; flex-direction: column; gap: 10px; padding: 16px 20px 20px; overflow-y: auto;
  border: 1px solid var(--line); border-radius: 22px; background: var(--surface); box-shadow: var(--shadow-lg);
  animation: slide 0.35s var(--ease);
}
.sv-sheet[hidden] { display: none; }
@keyframes slide { from { opacity: 0; transform: translateX(24px); } }
.sv-sheet-head { display: flex; align-items: center; justify-content: space-between; }
.sv-sheet-n { margin: 0; color: var(--text-3); font: 700 12px/1 var(--font); letter-spacing: 0.05em; text-transform: uppercase; }
.sv-sheet-title { margin: 0; font: 700 20px/1.25 var(--font-display); letter-spacing: -0.02em; }
.sv-sheet-meta { margin: 0; color: var(--text-2); font-size: 14px; }
.sv-sheet-passage {
  margin: 4px 0 0; padding: 14px 16px; border-radius: 14px; background: var(--sv-warm);
  font: 400 16px/1.65 Georgia, "Iowan Old Style", "Noto Serif", serif; white-space: pre-wrap;
}
.sv-sheet-license { margin: 0; color: var(--text-3); font-size: 12px; line-height: 1.45; }
.sv-sheet-link { align-self: flex-start; color: var(--text); text-decoration: none; }

/* Responsive */

@media (max-width: 720px) {
  .sv-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 12px; }
  .sv-head { flex-wrap: wrap; }
  .sv-head-photo { width: 56px; height: 56px; }
  .sv-head-tools { flex-direction: row; align-items: center; width: 100%; justify-content: space-between; }
  .sv-tabs { overflow-x: auto; scrollbar-width: none; }
  .sv-sheet { top: auto; left: 8px; right: 8px; bottom: 8px; width: auto; max-height: 78vh; animation-name: lift; }
  @keyframes lift { from { opacity: 0; transform: translateY(24px); } }
  .sv-turn.user .bubble { max-width: 88%; }
  .sv-src span { max-width: 180px; }
}

@media (prefers-reduced-motion: reduce) {
  .sv-card:hover .sv-card-art, .sv-card:hover .sv-card-art img { transform: none; }
  .sv-card-art img { opacity: 1; }
}