/* ==========================================================================
   Indicator Explorer — orient-luxury design system
   Dark mode is default. Light/parchment mode via [data-theme="light"].
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;600;700&family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,500&family=Syne:wght@600;700;800&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  /* Gold accent stack */
  --ol-gold-1: rgba(184, 149, 44, 0.08);
  --ol-gold-2: rgba(184, 149, 44, 0.2);
  --ol-gold-3: rgba(184, 149, 44, 0.45);
  --ol-gold-4: rgba(184, 149, 44, 0.75);
  --ol-gold-5: rgba(184, 149, 44, 1);
  --ol-gold-bright: #c9a84c;
  --ol-gold-deep: #8a6820;

  /* Dark surface */
  --ol-bg: #09080b;
  --ol-surface: #0f0e13;
  --ol-surface-raised: #15131a;
  --ol-border: rgba(184, 149, 44, 0.16);
  --ol-border-strong: rgba(184, 149, 44, 0.32);
  --ol-text: #eae5da;
  --ol-text-soft: #b9b2c2;
  --ol-muted: #9a8aaa;
  --ol-negative: #b3564a;
  --ol-positive: #7fa87a;

  /* Type */
  --ol-font-display: 'Cinzel', serif;
  --ol-font-body: 'Cormorant Garamond', serif;
  --ol-font-ui: 'Syne', sans-serif;
  --ol-font-mono: 'IBM Plex Mono', monospace;

  --ol-radius: 3px;
  --ol-max-width: 980px;
}

[data-theme="light"] {
  --ol-bg: #f0ebe0;
  --ol-surface: #f7f3ea;
  --ol-surface-raised: #fffdf8;
  --ol-border: rgba(138, 104, 32, 0.22);
  --ol-border-strong: rgba(138, 104, 32, 0.4);
  --ol-text: #241f1a;
  --ol-text-soft: #4a4238;
  --ol-muted: #6b5f4e;
  --ol-negative: #9c3f34;
  --ol-positive: #4d7a48;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--ol-bg);
  color: var(--ol-text);
}

body {
  font-family: var(--ol-font-body);
  font-size: 18px;
  line-height: 1.5;
  min-height: 100vh;
  position: relative;
  transition: background 0.35s ease, color 0.35s ease;
}

/* ---- grain overlay ---- */
#ol-grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  mix-blend-mode: soft-light;
  opacity: 0.5;
}
[data-theme="light"] #ol-grain { opacity: 0.28; }

/* ---- toast (reserved, above grain) ---- */
.ol-toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  z-index: 1000;
  background: var(--ol-surface-raised);
  border: 1px solid var(--ol-border-strong);
  color: var(--ol-text);
  font-family: var(--ol-font-ui);
  font-size: 13px;
  letter-spacing: 0.03em;
  padding: 12px 20px;
  border-radius: var(--ol-radius);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.ol-toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---- layout shell ---- */
.wrap {
  max-width: var(--ol-max-width);
  margin: 0 auto;
  padding: 0 24px 80px;
  position: relative;
  z-index: 1;
}

/* ---- header ---- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0 22px;
  border-bottom: 1px solid var(--ol-border);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-eyebrow {
  font-family: var(--ol-font-ui);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ol-muted);
}

.brand-title {
  font-family: var(--ol-font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--ol-gold-bright);
}

.app-like-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  background: var(--ol-surface-raised);
  border: 1px solid var(--ol-border);
  border-radius: 20px;
  padding: 2px 10px;
  font-family: var(--ol-font-ui);
  font-weight: 600;
  font-size: 12px;
  color: var(--ol-muted);
  cursor: pointer;
  margin-top: 4px;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.app-like-trigger:hover:not(:disabled) {
  color: var(--ol-negative);
  border-color: var(--ol-negative);
  background: var(--ol-gold-1);
  transform: scale(1.05);
}

.app-like-trigger.liked {
  color: var(--ol-gold-bright);
  border-color: var(--ol-gold-bright);
  background: var(--ol-gold-1);
  cursor: not-allowed;
}

.app-like-trigger:disabled:not(.liked) {
  opacity: 0.6;
  cursor: not-allowed;
}

.theme-toggle {
  font-family: var(--ol-font-ui);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--ol-border-strong);
  color: var(--ol-text-soft);
  padding: 9px 16px;
  border-radius: var(--ol-radius);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.theme-toggle:hover { border-color: var(--ol-gold-4); color: var(--ol-gold-bright); }
.theme-toggle:focus-visible { outline: 2px solid var(--ol-gold-bright); outline-offset: 2px; }

/* ---- hero ---- */
.hero {
  padding: 56px 0 40px;
  text-align: center;
}

.hero-kicker {
  font-family: var(--ol-font-ui);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ol-gold-4);
  margin-bottom: 14px;
}

.hero-title {
  font-family: var(--ol-font-display);
  font-size: clamp(30px, 5vw, 46px);
  font-weight: 600;
  margin: 0 0 14px;
  letter-spacing: 0.01em;
}

.hero-sub {
  font-family: var(--ol-font-body);
  font-style: italic;
  font-size: 20px;
  color: var(--ol-text-soft);
  max-width: 560px;
  margin: 0 auto;
}

/* ---- indicator picker ---- */
.picker {
  margin-top: 40px;
  background: var(--ol-surface);
  border: 1px solid var(--ol-border);
  border-radius: var(--ol-radius);
  padding: 22px;
}

.picker-search {
  position: relative;
}

.picker-input {
  width: 100%;
  background: var(--ol-surface-raised);
  border: 1px solid var(--ol-border-strong);
  color: var(--ol-text);
  font-family: var(--ol-font-body);
  font-size: 19px;
  padding: 14px 16px;
  border-radius: var(--ol-radius);
  outline: none;
  transition: border-color 0.2s ease;
}
.picker-input::placeholder { color: var(--ol-muted); font-style: italic; }
.picker-input:focus { border-color: var(--ol-gold-bright); }

.picker-results {
  margin-top: 8px;
  border: 1px solid var(--ol-border);
  border-radius: var(--ol-radius);
  background: var(--ol-surface-raised);
  max-height: 320px;
  overflow-y: auto;
  display: none;
}
.picker-results.is-open { display: block; }

.picker-result {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  border-bottom: 1px solid var(--ol-border);
  transition: background 0.15s ease;
}
.picker-result:last-child { border-bottom: none; }
.picker-result:hover, .picker-result.is-active { background: var(--ol-gold-1); }

.picker-result-label { font-family: var(--ol-font-body); font-size: 17px; }
.picker-result-cat {
  font-family: var(--ol-font-ui);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ol-muted);
  white-space: nowrap;
}

/* ---- category chips ---- */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.chip {
  font-family: var(--ol-font-ui);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--ol-border);
  color: var(--ol-muted);
  padding: 7px 13px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.18s ease;
}
.chip:hover { border-color: var(--ol-gold-3); color: var(--ol-text-soft); }
.chip.is-active {
  border-color: var(--ol-gold-bright);
  color: var(--ol-gold-bright);
  background: var(--ol-gold-1);
}

/* ---- current indicator banner ---- */
.current-indicator {
  display: none;
  margin-top: 44px;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--ol-border);
  padding-bottom: 18px;
}
.current-indicator.is-visible { display: flex; }

.current-indicator-name {
  font-family: var(--ol-font-display);
  font-size: 26px;
  color: var(--ol-gold-bright);
}

.current-indicator-meta {
  font-family: var(--ol-font-ui);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ol-muted);
  margin-top: 6px;
}

.sort-toggle {
  font-family: var(--ol-font-ui);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--ol-border-strong);
  color: var(--ol-text-soft);
  padding: 8px 14px;
  border-radius: var(--ol-radius);
  cursor: pointer;
  white-space: nowrap;
}
.sort-toggle:hover { border-color: var(--ol-gold-4); color: var(--ol-gold-bright); }

/* ---- the ledger (ranked list) ---- */
.ledger { margin-top: 6px; }

.ledger-row {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--ol-border);
  opacity: 0;
  transform: translateY(6px);
  animation: ol-row-in 0.4s ease forwards;
}

@keyframes ol-row-in {
  to { opacity: 1; transform: translateY(0); }
}

.ledger-rank {
  font-family: var(--ol-font-display);
  font-size: 22px;
  color: var(--ol-gold-3);
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.ledger-row:nth-child(-n+3) .ledger-rank { color: var(--ol-gold-bright); font-size: 25px; }

.ledger-body { min-width: 0; }

.ledger-country {
  font-family: var(--ol-font-body);
  font-size: 20px;
  color: var(--ol-text);
}

.ledger-bar-track {
  margin-top: 7px;
  height: 3px;
  background: var(--ol-border);
  border-radius: 2px;
  overflow: hidden;
  max-width: 320px;
}

.ledger-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--ol-gold-deep), var(--ol-gold-bright));
  width: 0%;
  transition: width 0.6s ease;
}

.ledger-value {
  font-family: var(--ol-font-mono);
  font-size: 16px;
  color: var(--ol-text-soft);
  text-align: right;
  white-space: nowrap;
}

/* ---- states ---- */
.state-block {
  text-align: center;
  padding: 70px 20px;
  color: var(--ol-muted);
}
.state-block.is-hidden { display: none; }

.state-title {
  font-family: var(--ol-font-display);
  font-size: 20px;
  color: var(--ol-text-soft);
  margin-bottom: 8px;
}

.state-sub {
  font-family: var(--ol-font-body);
  font-style: italic;
  font-size: 17px;
}

.spinner {
  width: 28px;
  height: 28px;
  margin: 0 auto 18px;
  border: 2px solid var(--ol-border);
  border-top-color: var(--ol-gold-bright);
  border-radius: 50%;
  animation: ol-spin 0.8s linear infinite;
}
@keyframes ol-spin { to { transform: rotate(360deg); } }

/* ---- footer ---- */
.site-footer {
  margin-top: 70px;
  padding-top: 22px;
  border-top: 1px solid var(--ol-border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--ol-font-ui);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ol-muted);
}

/* ---- responsive ---- */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px 60px; }
  .hero { padding: 40px 0 28px; }
  .ledger-row { grid-template-columns: 40px 1fr auto; gap: 12px; }
  .ledger-rank { font-size: 18px; }
  .ledger-country { font-size: 17px; }
  .ledger-bar-track { max-width: 160px; }
  .current-indicator-name { font-size: 21px; }
}

/* ---- reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  .ledger-row { animation: none; opacity: 1; transform: none; }
  .ledger-bar-fill { transition: none; }
  .spinner { animation: none; }
}

/* ---- focus visibility ---- */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--ol-gold-bright);
  outline-offset: 2px;
}