/* Literary Perspectives — "Nocturne library" theme.
   Deep ink ground, antique gilt accent, per-character bookmark ribbons. */
:root {
  --ground: #13141a;
  --ground-2: #181a22;
  --surface: #1e2029;
  --surface-2: #23252f;
  --ink: #ece6d9;
  --ink-soft: #a8a191;
  --ink-faint: #6f6a5c;
  --line: #2b2d38;
  --line-soft: #24262f;
  --gilt: #c8a45c;
  --gilt-deep: #b18e46;
  --gilt-ink: #17130a;
  --gilt-soft: rgba(200, 164, 92, 0.13);
  --crisis-bg: #38201a;
  --crisis-line: #7a4534;
  --crisis-ink: #f1cabb;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 22px 50px rgba(0,0,0,.5);
  --shadow-sm: 0 1px 2px rgba(0,0,0,.35), 0 8px 22px rgba(0,0,0,.3);
  --serif: "Hoefler Text", "Baskerville", "Big Caslon", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --maxw: 940px;
}
@media (prefers-color-scheme: light) {
  :root {
    --ground: #e9e7df; --ground-2: #f0eee7; --surface: #faf8f2; --surface-2: #f2efe6;
    --ink: #23242b; --ink-soft: #5c594f; --ink-faint: #8d887c; --line: #dcd7c9; --line-soft: #e6e1d4;
    --gilt: #9a742b; --gilt-deep: #855f1f; --gilt-ink: #fffaf1; --gilt-soft: rgba(154,116,43,.12);
    --crisis-bg: #fbeee9; --crisis-line: #dcab99; --crisis-ink: #7c2f1c;
    --shadow: 0 1px 2px rgba(60,50,30,.06), 0 20px 46px rgba(60,50,30,.12);
    --shadow-sm: 0 1px 2px rgba(60,50,30,.06), 0 8px 20px rgba(60,50,30,.08);
  }
}
:root[data-theme="light"] {
  --ground: #e9e7df; --ground-2: #f0eee7; --surface: #faf8f2; --surface-2: #f2efe6;
  --ink: #23242b; --ink-soft: #5c594f; --ink-faint: #8d887c; --line: #dcd7c9; --line-soft: #e6e1d4;
  --gilt: #9a742b; --gilt-deep: #855f1f; --gilt-ink: #fffaf1; --gilt-soft: rgba(154,116,43,.12);
  --crisis-bg: #fbeee9; --crisis-line: #dcab99; --crisis-ink: #7c2f1c;
  --shadow: 0 1px 2px rgba(60,50,30,.06), 0 20px 46px rgba(60,50,30,.12);
  --shadow-sm: 0 1px 2px rgba(60,50,30,.06), 0 8px 20px rgba(60,50,30,.08); color-scheme: light;
}
:root[data-theme="dark"] {
  --ground: #13141a; --ground-2: #181a22; --surface: #1e2029; --surface-2: #23252f;
  --ink: #ece6d9; --ink-soft: #a8a191; --ink-faint: #6f6a5c; --line: #2b2d38; --line-soft: #24262f;
  --gilt: #c8a45c; --gilt-deep: #b18e46; --gilt-ink: #17130a; --gilt-soft: rgba(200,164,92,.13);
  --crisis-bg: #38201a; --crisis-line: #7a4534; --crisis-ink: #f1cabb;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 22px 50px rgba(0,0,0,.5);
  --shadow-sm: 0 1px 2px rgba(0,0,0,.35), 0 8px 22px rgba(0,0,0,.3); color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--ground); color: var(--ink); font-family: var(--sans);
  line-height: 1.6; font-size: 16px; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  background-image:
    radial-gradient(900px 480px at 78% -8%, var(--gilt-soft), transparent 60%),
    radial-gradient(1100px 560px at 12% 108%, var(--gilt-soft), transparent 62%);
  background-attachment: fixed;
}

.topbar { max-width: var(--maxw); margin: 0 auto; padding: 22px 24px 8px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; }
.brand .mark { width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid var(--gilt); color: var(--gilt); border-radius: 50%; font-family: var(--serif); font-size: 15px; }
.brand .name { font-family: var(--serif); font-size: 19px; letter-spacing: .02em; }
.toggle { background: transparent; border: 1px solid var(--line); color: var(--ink-soft); border-radius: 999px; padding: 6px 13px; font: inherit; font-size: 12.5px; cursor: pointer; }
.toggle:hover { border-color: var(--gilt); color: var(--ink); }

.disc { max-width: var(--maxw); margin: 10px auto 0; padding: 0 24px; }
.disc { font-size: 12px; color: var(--ink-faint); }
.disc::before { content: ""; }

main { max-width: var(--maxw); margin: 0 auto; padding: 8px 24px 24px; }
.view.hidden, .hidden { display: none !important; }

/* Hero */
.hero { text-align: center; padding: 58px 0 42px; }
.eyebrow { font-size: 11.5px; letter-spacing: .28em; text-transform: uppercase; color: var(--gilt); font-weight: 600; }
.hero h1 { font-family: var(--serif); font-weight: 500; font-size: clamp(33px, 5.6vw, 58px); line-height: 1.08; letter-spacing: -0.015em; margin: 20px auto 0; max-width: 15ch; text-wrap: balance; }
.hero h1 em { font-style: italic; color: var(--gilt); }
.hero .sub { max-width: 52ch; margin: 22px auto 0; color: var(--ink-soft); font-size: 16.5px; }
.rule { width: 54px; height: 1px; background: linear-gradient(90deg, transparent, var(--gilt), transparent); margin: 32px auto 0; }

/* Ask box */
.ask { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 26px; box-shadow: var(--shadow); }
.ask h2 { font-family: var(--serif); font-weight: 500; font-size: 23px; margin: 0 0 4px; }
.ask .hint { color: var(--ink-soft); font-size: 13.5px; margin: 0 0 16px; }

textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 12px; background: var(--ground-2);
  color: var(--ink); font: inherit; font-size: 15px; padding: 14px 16px; resize: vertical;
  transition: border-color .15s, box-shadow .15s;
}
textarea::placeholder { color: var(--ink-faint); }
textarea:focus { outline: none; border-color: var(--gilt); box-shadow: 0 0 0 3px var(--gilt-soft); }

.askrow { margin-top: 14px; display: flex; align-items: center; gap: 14px; }
.mini { font-size: 12.5px; color: var(--ink-faint); }

.btn { border: none; border-radius: 11px; padding: 11px 20px; font: inherit; font-weight: 600; font-size: 14.5px; cursor: pointer; transition: transform .06s ease, background .15s, filter .15s; }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--gilt); outline-offset: 2px; }
.btn.gilt { background: var(--gilt); color: var(--gilt-ink); box-shadow: var(--shadow-sm); }
.btn.gilt:hover { background: var(--gilt-deep); }
.btn.ghost { background: transparent; color: var(--ink-soft); border: 1px solid var(--line); }
.btn.ghost:hover { border-color: var(--gilt); color: var(--ink); }
.btn.subtle { background: var(--surface-2); color: var(--ink-soft); font-weight: 500; font-size: 13px; padding: 9px 16px; }
.btn.subtle:hover { color: var(--ink); }
.btn[disabled] { opacity: .5; cursor: default; }

/* Recommendation cards */
.recommend-result { margin-top: 16px; display: grid; gap: 11px; }
.rec-card { display: flex; gap: 13px; align-items: center; padding: 13px 15px; border: 1px solid var(--line); border-radius: 13px; background: var(--ground-2); cursor: pointer; transition: border-color .15s, transform .1s, box-shadow .15s; }
.rec-card:hover { border-color: color-mix(in srgb, var(--c, var(--gilt)) 55%, var(--line)); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.rec-body { flex: 1; }
.rec-name { font-family: var(--serif); font-weight: 500; font-size: 15.5px; }
.rec-reason { font-size: 13px; color: var(--ink-soft); margin-top: 2px; }

/* Section heading */
.sec-head { display: flex; align-items: baseline; gap: 14px; margin: 46px 0 20px; }
.sec-head h2 { font-family: var(--serif); font-weight: 500; font-size: 24px; margin: 0; white-space: nowrap; }
.sec-head .line { flex: 1; height: 1px; background: var(--line); }

/* Medallion (monogram) — shared */
.medallion { width: 48px; height: 48px; flex: none; border-radius: 50%; display: grid; place-items: center; font-family: var(--serif); font-size: 22px; color: var(--c, var(--gilt)); background: color-mix(in srgb, var(--c, var(--gilt)) 15%, var(--surface)); border: 1px solid color-mix(in srgb, var(--c, var(--gilt)) 45%, transparent); }
.rec-card .medallion { width: 44px; height: 44px; font-size: 20px; }

/* Cast */
.cast { display: grid; grid-template-columns: repeat(auto-fill, minmax(268px, 1fr)); gap: 16px; }
.card { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 22px 22px 20px 26px; overflow: hidden; cursor: pointer; transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease; }
.card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--c); box-shadow: 0 0 16px -2px var(--c); }
.card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--c) 55%, var(--line)); box-shadow: var(--shadow); }
.card .chead { display: flex; align-items: center; gap: 13px; }
.card .name { font-family: var(--serif); font-size: 19px; font-weight: 500; line-height: 1.15; }
.card .trait { font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--c); font-weight: 700; margin-top: 4px; }
.card .tag { font-family: var(--serif); font-style: italic; font-size: 15px; color: var(--ink); line-height: 1.5; margin: 15px 0 0; }
.card .src { font-size: 11.5px; color: var(--ink-faint); margin-top: 13px; }

/* Chat */
.chat-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 4px 0 14px; border-bottom: 1px solid var(--line); }
.chat-title { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; }
.chat-avatar.medallion { width: 42px; height: 42px; font-size: 20px; }
.chat-name { font-family: var(--serif); font-size: 18px; font-weight: 500; }
.chat-source { font-size: 11.5px; color: var(--ink-faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.memory-panel { margin-top: 14px; padding: 15px 17px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 13px; font-size: 13.5px; }
.memory-panel h4 { margin: 0 0 9px; font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--gilt); }
.memory-panel ul { margin: 0; padding-left: 18px; }
.memory-panel li { margin: 3px 0; }
.memory-panel .empty { color: var(--ink-soft); margin: 0; }
.memory-panel .clear { margin-top: 12px; }

.messages { display: flex; flex-direction: column; gap: 13px; padding: 20px 0; min-height: 220px; }
.msg { max-width: 78%; padding: 12px 16px; border-radius: 16px; white-space: pre-wrap; word-break: break-word; font-size: 15px; box-shadow: var(--shadow-sm); }
.msg.user { align-self: flex-end; background: var(--gilt); color: var(--gilt-ink); border-bottom-right-radius: 5px; }
.msg.assistant { align-self: flex-start; background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--c, var(--gilt)); border-bottom-left-radius: 5px; }
.msg.system { align-self: stretch; max-width: 100%; background: var(--crisis-bg); border: 1px solid var(--crisis-line); color: var(--crisis-ink); }
.msg.system .sys-label { font-weight: 700; font-size: 11px; letter-spacing: .06em; text-transform: uppercase; display: block; margin-bottom: 7px; }
.msg.typing { color: var(--ink-faint); font-style: italic; }

.confirm-cards { display: grid; gap: 11px; margin-bottom: 14px; }
.confirm-card { background: var(--surface); border: 1px solid var(--gilt); border-radius: 13px; padding: 15px; box-shadow: var(--shadow-sm); }
.confirm-card .lead { font-size: 12.5px; color: var(--ink-soft); margin-bottom: 8px; }
.confirm-card textarea { margin-bottom: 10px; }
.confirm-actions { display: flex; gap: 8px; }
.btn.yes { background: var(--gilt); color: var(--gilt-ink); font-size: 13px; padding: 8px 15px; }
.btn.no { background: transparent; border: 1px solid var(--line); color: var(--ink-soft); font-size: 13px; padding: 8px 15px; }
.btn.no:hover { border-color: var(--gilt); color: var(--ink); }

.composer { display: flex; gap: 10px; align-items: flex-end; }
.composer textarea { flex: 1; min-height: 46px; }
.composer-actions { margin-top: 11px; text-align: center; }

@media (prefers-reduced-motion: reduce) { .card, .rec-card, .btn { transition: none; } }
@media (max-width: 560px) {
  .topbar, .disc, main { padding-left: 16px; padding-right: 16px; }
  .hero { padding: 40px 0 30px; }
  .msg { max-width: 88%; }
  .cast { grid-template-columns: 1fr; }
}