/*
 * theme.css — Devavani's design-system values.
 * Mood: glass-luxe × old-money — a deep temple-stone dusk with gold-leaf
 * edges, cream ink, thin institutional rules. Opens in dark mode.
 */

:root {
  color-scheme: dark;
  --canvas: #171310;
  --surface: #2e2b28;
  --surface-2: #38332c;
  --border: #3d3730;
  --border-strong: #5c5347;
  --ink: #ede4d6;
  --muted: #a89f92;

  --accent: #d98a3d;
  --accent-hover: #e29a52;
  --accent-ink: #201408;
  --accent-text: #dd9750;
  --accent-strong: #eab06c;
  --accent-soft: #3c3020;
  --accent-border: #6b512c;

  --success: #5da077;
  --success-ink: #0f1a13;
  --success-soft: #223226;
  --success-strong: #8fc7a4;

  --warning: #c99a3f;
  --warning-ink: #1c1408;
  --warning-soft: #362a15;
  --warning-strong: #e2b968;

  --danger: #bd5c50;
  --danger-ink: #1e0d0a;
  --danger-soft: #3a211d;
  --danger-strong: #e08b7f;

  --chart-1: #d98a3d;
  --chart-2: #4a8f88;
  --chart-3: #b5566b;
  --chart-4: #8a8f4a;
  --chart-5: #5a71b0;
  --chart-6: #b5713f;

  --font-display: "Cormorant", ui-serif, Georgia, serif;
  --font-body: "Karla", ui-sans-serif, system-ui, sans-serif;
  --font-sans: "Karla", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --display-weight: 700;
  --display-tracking: -0.01em;
  --eyebrow-tracking: 0.08em;

  --radius-card: 1.25rem;
  --radius-btn: 0.875rem;
  --radius-input: 0.75rem;
  --border-w: 1px;
  --border-strong-w: 1.5px;
  --shadow-card: 0 16px 40px -18px rgba(0, 0, 0, 0.6), 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-raised: 0 24px 60px -20px rgba(0, 0, 0, 0.65), 0 6px 16px rgba(0, 0, 0, 0.4);
  --shadow-btn: 0 8px 20px -8px color-mix(in srgb, var(--accent) 55%, transparent);
  --card-pad: 1.75rem;
  --caps: uppercase;
  --caps-tracking: 0.09em;
  --btn-weight: 600;
  --measure: 66ch;

  /* This app's own tokens (--x-*). The closing statement band stays a
     deep, near-black stone in BOTH modes — it is a deliberate dark
     interruption, not a mode. */
  --x-band-bg: #0e0b09;
  --x-band-ink: #f2e9db;
  --x-band-muted: #a89f92;
  --x-parchment: #26221d;
  --x-parchment-ink: #e7dcc9;
  --x-parchment-muted: color-mix(in srgb, #e7dcc9 58%, transparent);
  --x-rail-bg: #100d0b;
  --x-verse-num: #7c7264;
}

html[data-theme="light"] {
  color-scheme: light;
  --canvas: #f6ecda;
  --surface: #fffaf0;
  --surface-2: #efe2c6;
  --border: #ddccab;
  --border-strong: #bfa87c;
  --ink: #2b2117;
  --muted: #6f6252;

  --accent: #9a5a1a;
  --accent-hover: #82490f;
  --accent-ink: #fffaf0;
  --accent-text: #93551a;
  --accent-strong: #7c470f;
  --accent-soft: #efe0c2;
  --accent-border: #c9a361;

  --success: #2f7a4c;
  --success-ink: #fdfaf0;
  --success-soft: #e0ecdf;
  --success-strong: #24603a;

  --warning: #8a5f0c;
  --warning-ink: #fdfaf0;
  --warning-soft: #f0e2c1;
  --warning-strong: #6e4a08;

  --danger: #9a3b31;
  --danger-ink: #fdfaf0;
  --danger-soft: #f0dcd6;
  --danger-strong: #7c2d25;

  --chart-1: #9a5a1a;
  --chart-2: #2f7570;
  --chart-3: #935061;
  --chart-4: #6f7530;
  --chart-5: #48598f;
  --chart-6: #935a34;

  --font-display: "Cormorant", ui-serif, Georgia, serif;
  --font-body: "Karla", ui-sans-serif, system-ui, sans-serif;
  --font-sans: "Karla", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --display-weight: 700;
  --display-tracking: -0.01em;
  --eyebrow-tracking: 0.08em;

  --radius-card: 1.25rem;
  --radius-btn: 0.875rem;
  --radius-input: 0.75rem;
  --border-w: 1px;
  --border-strong-w: 1.5px;
  --shadow-card: 0 16px 36px -18px rgba(43, 33, 23, 0.25), 0 2px 8px rgba(43, 33, 23, 0.12);
  --shadow-raised: 0 24px 56px -20px rgba(43, 33, 23, 0.3), 0 6px 16px rgba(43, 33, 23, 0.16);
  --shadow-btn: 0 8px 18px -8px color-mix(in srgb, var(--accent) 45%, transparent);
  --card-pad: 1.75rem;
  --caps: uppercase;
  --caps-tracking: 0.09em;
  --btn-weight: 600;
  --measure: 66ch;

  --x-band-bg: #0e0b09;
  --x-band-ink: #f2e9db;
  --x-band-muted: #b8ab97;
  --x-parchment: #fbf3e2;
  --x-parchment-ink: #2b2117;
  --x-parchment-muted: color-mix(in srgb, #2b2117 58%, transparent);
  --x-rail-bg: #211a10;
  --x-verse-num: #a3936f;
}

/*
 * app.css — Devavani's own screens: the side rail, the manuscript-styled
 * Ask console, the scripture shelf, the verse reader and the pilgrimage
 * bands. Tokens only, per theme.css. Ships one entrance, on the Ask
 * console's first screen, and nothing else moves.
 */

/* ---------------------------------------------------------------- layout */
.page-pad { @apply mx-auto max-w-6xl px-6 py-10 md:px-10 md:py-14; }
.page-head { @apply max-w-3xl; }

/* -------------------------------------------------------------- side rail */
.rail {
  width: 17rem;
  flex-direction: column;
  background: var(--x-rail-bg);
  color: var(--x-band-ink);
  border-right: var(--border-w) solid var(--border);
  /* Fixed, not sticky: a sticky element only stays in view while its own
     parent box is taller than the viewport in the right way, and any
     ancestor that changes the containing block breaks it silently. Fixed to
     the viewport is unconditional — the rail simply never scrolls — and
     .content-pane below carries the matching space so nothing sits under it. */
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 30;
}
.content-pane { min-height: 100vh; }
@media (min-width: 768px) { .content-pane { margin-left: 17rem; } }
.rail-mark { padding: 1.75rem 1.75rem 1.25rem; }
.rail-mark .text-muted { color: var(--x-band-muted); }
.rail-mark-rule { display: block; width: 2.25rem; height: 2px; margin: 0.6rem 0; background: var(--accent); }
.rail-nav { display: flex; flex-direction: column; gap: 0.25rem; padding: 0.5rem 0.9rem; flex: 1; }
.rail-item {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.65rem 0.9rem; border-radius: var(--radius-btn);
  color: var(--x-band-muted); font-size: 0.9375rem; font-weight: 500;
  border-left: 2px solid transparent;
  transition: background-color 150ms var(--ease), color 150ms var(--ease);
}
.rail-item:hover { background: var(--surface-2); color: var(--x-band-ink); text-decoration: none; }
.rail-item.is-active { background: var(--accent-soft); color: var(--accent-strong); border-left-color: var(--accent); }
.rail-foot { padding: 1rem 1.5rem 1.5rem; border-top: var(--border-w) solid var(--border); margin-top: auto; }

/* ------------------------------------------------------------- top strip */
.topstrip {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 1.5rem; border-bottom: var(--border-w) solid var(--border);
  position: relative;
}
.search-form { position: relative; flex: 1 1 24rem; min-width: 0; max-width: 28rem; }
.search-dropdown { position: absolute; left: 1.5rem; right: auto; top: calc(100% - 0.25rem); width: min(28rem, calc(100vw - 3rem)); z-index: var(--z-menu); }
.search-panel {
  background: var(--surface); border: var(--border-w) solid var(--border);
  border-radius: var(--radius-card); box-shadow: var(--shadow-raised); overflow: hidden;
  animation: pop-in 120ms var(--ease-out) both;
}
.search-hit { display: flex; align-items: center; gap: 0.75rem; padding: 0.7rem 1rem; border-bottom: var(--border-w) solid var(--border); }
.search-hit:last-child { border-bottom: 0; }
.search-hit:hover { background: var(--surface-2); text-decoration: none; }
.panchang { display: flex; align-items: center; gap: 0.5rem; margin-left: auto; white-space: nowrap; }

/* -------------------------------------------------------------- composer */
.composer { display: flex; flex-wrap: nowrap; gap: 0.75rem; }

/* ------------------------------------------------------- ask entrance -- */
@keyframes ask-rise {
  from { opacity: 0.001; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
.ask-hero-in { animation: ask-rise 620ms var(--ease-out) both; }

/* --------------------------------------------------------- manuscript -- */
.manuscript-leaf {
  position: relative;
  background: var(--x-parchment);
  color: var(--x-parchment-ink);
  border-radius: var(--radius-card);
  border: var(--border-w) solid color-mix(in srgb, var(--x-parchment-ink) 12%, transparent);
  box-shadow: var(--shadow-card);
  padding: clamp(1.5rem, 2vw + 1rem, 2.5rem);
}
.manuscript-leaf::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent-border), transparent);
  border-top-left-radius: inherit; border-top-right-radius: inherit;
}
.verse-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.09em; color: var(--muted); margin-bottom: 0.35rem; }
.manuscript-leaf .verse-label { color: var(--x-parchment-muted); }
.manuscript-rule { height: 1px; margin: 1.5rem 0; background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 45%, transparent), transparent); }
.prose-answer { max-width: var(--measure); line-height: 1.75; }
.citation-strength {
  display: flex; align-items: center; gap: 0.5rem; margin-top: 1.25rem; padding-top: 1rem;
  border-top: var(--border-w) solid color-mix(in srgb, var(--x-parchment-ink) 14%, transparent);
  font-size: 0.8125rem; color: var(--accent-text);
}
.section-kicker { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); font-family: var(--font-mono); }

/* -------------------------------------------------------------- closing */
.closing-band {
  background: var(--x-band-bg); color: var(--x-band-ink);
  display: flex; flex-direction: column; align-items: center; gap: 1.75rem;
  text-align: center; padding: 5rem 1.5rem;
}
.closing-line { font-size: clamp(1.75rem, 2vw + 1.25rem, 3rem); line-height: 1.25; max-width: 34ch; }

/* --------------------------------------------------------- grantha shelf */
.grantha-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; margin-top: 2rem; }
@media (min-width: 640px) { .grantha-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grantha-grid { grid-template-columns: repeat(3, 1fr); } }
.grantha-spine {
  display: flex; flex-direction: column; background: var(--surface); border: var(--border-w) solid var(--border);
  border-radius: var(--radius-card); box-shadow: var(--shadow-card); overflow: hidden;
  transition: box-shadow 150ms var(--ease), transform 150ms var(--ease);
}
.grantha-spine:hover { box-shadow: var(--shadow-raised); transform: translateY(-2px); }
.grantha-spine-link { display: block; }
.grantha-spine-link:hover { text-decoration: none; }
.grantha-spine-body { padding: 1.1rem 1.25rem 0.25rem; }
.spine-title { margin-top: 0.5rem; font-family: var(--font-display); font-size: 1.25rem; line-height: 1.3; }
.spine-meta { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.grantha-spine-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; padding: 0.85rem 1.25rem 1.1rem; }
.grantha-fallback {
  display: grid; place-items: center; color: var(--accent-strong);
  background: linear-gradient(150deg, var(--accent-soft), var(--surface-2));
}
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* -------------------------------------------------- grantha & devta detail */
.grantha-detail { display: flex; flex-direction: column; gap: 2rem; }
@media (min-width: 768px) { .grantha-detail { flex-direction: row; align-items: flex-start; } }
.grantha-detail-media { flex: 0 0 auto; width: 100%; aspect-ratio: 4 / 3; }
@media (min-width: 768px) { .grantha-detail-media { width: 20rem; } }
.grantha-detail-body { min-width: 0; flex: 1; }
.devta-detail-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 640px) { .devta-detail-grid { grid-template-columns: 1fr 1fr; } }
.iconography-lg { grid-template-columns: 7rem 1fr; font-size: 1rem; }
.iconography-lg dt { font-size: 0.75rem; }

/* ------------------------------------------------------------ katha list */
.katha-list { display: grid; grid-template-columns: 1fr; gap: 1.5rem; margin-top: 2rem; }
@media (min-width: 640px) { .katha-list { grid-template-columns: repeat(2, 1fr); } }
.katha-card { display: flex; flex-direction: column; transition: box-shadow 150ms var(--ease), transform 150ms var(--ease); }
.katha-card:hover { box-shadow: var(--shadow-raised); transform: translateY(-2px); text-decoration: none; }

/* ---------------------------------------------------------- katha reader */
.katha-reader { display: grid; grid-template-columns: 1fr; gap: 2.5rem; margin-top: 2.5rem; }
@media (min-width: 768px) { .katha-reader { grid-template-columns: 10rem 1fr; } }
.verse-rail { display: flex; flex-direction: row; gap: 1rem; overflow-x: auto; padding-bottom: 0.5rem; }
@media (min-width: 768px) {
  .verse-rail { flex-direction: column; gap: 0.65rem; position: sticky; top: 1.5rem; align-self: flex-start; overflow-x: visible; }
}
.verse-rail-item {
  display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0;
  padding-left: 0.65rem; border-left: 2px solid transparent; color: var(--muted); font-size: 0.875rem;
  transition: color 150ms var(--ease), border-color 150ms var(--ease);
}
.verse-rail-item:hover { color: var(--ink); border-left-color: var(--accent); text-decoration: none; }
.verse-num { color: var(--x-verse-num); font-size: 0.8125rem; }
.verse-rail-ref { display: none; }
@media (min-width: 768px) { .verse-rail-ref { display: inline; } }
.verse-column { display: flex; flex-direction: column; gap: 2.5rem; max-width: var(--measure); }
.verse-block { scroll-margin-top: 1.5rem; }
.verse-ref { font-size: 0.75rem; color: var(--muted); letter-spacing: 0.04em; margin-bottom: 0.5rem; }
.glossary-term { text-decoration: underline dotted; text-decoration-color: var(--accent-border); text-underline-offset: 3px; cursor: help; }
.glossary-list { display: grid; grid-template-columns: max-content 1fr; gap: 0.5rem 1rem; }
.glossary-list dt { font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; color: var(--muted); letter-spacing: 0.04em; }
.glossary-list dd { font-size: 0.9rem; }

/* ----------------------------------------------------------- devta grid */
.devta-search { margin-top: 1.75rem; }
.devta-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; margin-top: 1.5rem; }
@media (min-width: 640px) { .devta-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .devta-grid { grid-template-columns: repeat(3, 1fr); } }
.iconography { display: grid; grid-template-columns: 5.5rem 1fr; gap: 0.35rem 0.75rem; margin-top: 1.25rem; font-size: 0.875rem; }
.iconography dt { font-family: var(--font-mono); font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); align-self: baseline; padding-top: 0.15rem; }

/* ---------------------------------------------------------------- tirtha */
.tirtha-hero-media { aspect-ratio: 16 / 8; }
@media (min-width: 768px) { .tirtha-hero-media { aspect-ratio: 3 / 1; } }
.tirtha-caption { display: flex; flex-direction: column; gap: 1.25rem; padding-top: 1.75rem; }
@media (min-width: 640px) { .tirtha-caption { flex-direction: row; align-items: flex-end; justify-content: space-between; } }
.tirtha-figure { text-align: left; }
@media (min-width: 640px) { .tirtha-figure { text-align: right; } }
.tirtha-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; margin-top: 1.75rem; }
@media (min-width: 640px) { .tirtha-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .tirtha-grid { grid-template-columns: repeat(4, 1fr); } }

/* ----------------------------------------------------------------- saved */
.saved-groups { display: flex; flex-direction: column; gap: 2.25rem; margin-top: 1.5rem; }
.saved-group-head { display: flex; align-items: center; gap: 0.5rem; }
.saved-count {
  display: inline-flex; align-items: center; justify-content: center; min-width: 1.35rem; height: 1.35rem;
  padding: 0 0.4rem; border-radius: 999px; background: var(--surface-2); color: var(--muted);
  font-family: var(--font-body); font-size: 0.7rem; letter-spacing: 0; text-transform: none;
}
.saved-list { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 0.85rem; }
.saved-row {
  display: flex; align-items: center; gap: 1rem; padding: 0.85rem 1rem;
  background: var(--surface); border: var(--border-w) solid var(--border); border-radius: var(--radius-card);
}
.saved-thumb { width: 3.5rem; height: 3.5rem; flex-shrink: 0; border-radius: var(--radius-input); }
.saved-thumb-fallback { display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-strong); }

/* ------------------------------------------------------------ reduced motion (base.css already gates durations) */