/* ==================================================================
   Crypto Engine — orient-luxury design system
   Dark near-black default w/ grain overlay, gold accents, light mode
   toggle. Coin data readouts use brightened, larger type for clarity.
   ================================================================== */

:root {
  /* -- dark mode (default) tokens -- */
  --ol-bg: #09080b;
  --ol-bg-raised: #131117;
  --ol-bg-card: #17141c;
  --ol-border: rgba(201, 168, 76, 0.16);
  --ol-border-strong: rgba(201, 168, 76, 0.34);
  --ol-gold: #c9a84c;
  --ol-gold-bright: #e8c975;
  --ol-gold-10: rgba(201, 168, 76, 0.1);
  --ol-gold-18: rgba(201, 168, 76, 0.18);
  --ol-text: #ece7db;
  --ol-text-bright: #fbf8f0;
  --ol-text-muted: #9a938a;
  --ol-text-dim: #6f6a63;
  --ol-positive: #6fcf8f;
  --ol-negative: #e2685f;
  --ol-shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
}

html[data-theme="light"] {
  --ol-bg: #f0ebe0;
  --ol-bg-raised: #e9e2d3;
  --ol-bg-card: #ffffff;
  --ol-border: rgba(138, 104, 32, 0.2);
  --ol-border-strong: rgba(138, 104, 32, 0.4);
  --ol-gold: #8a6820;
  --ol-gold-bright: #6b4f16;
  --ol-gold-10: rgba(138, 104, 32, 0.08);
  --ol-gold-18: rgba(138, 104, 32, 0.14);
  --ol-text: #2a2419;
  --ol-text-bright: #171309;
  --ol-text-muted: #6b6152;
  --ol-text-dim: #928873;
  --ol-positive: #1f8a4c;
  --ol-negative: #b23a30;
  --ol-shadow: 0 20px 50px rgba(90, 70, 30, 0.14);
}

* { box-sizing: border-box; }

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

body {
  min-height: 100vh;
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 18px;
  line-height: 1.5;
  position: relative;
  transition: background 0.4s ease, color 0.4s ease;
}

h1, h2, h3, h4 {
  font-family: 'Cinzel', 'Times New Roman', serif;
  color: var(--ol-text-bright);
  margin: 0;
  letter-spacing: 0.02em;
}

.ui-label, label, .stat-label, .field-label, .nav-label {
  font-family: 'Syne', 'Segoe UI', sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.mono, .stat-value, .price-hero, .coin-symbol, .usage-figure, input#coin-search {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
}

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

/* ------------------------------------------------------------------
   Layout shell
   ------------------------------------------------------------------ */

.page {
  position: relative;
  z-index: 1;
  max-width: 980px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--ol-border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ol-gold);
  font-family: 'Cinzel', serif;
  font-size: 16px;
}

.brand-title {
  font-size: 22px;
  font-weight: 600;
}

.brand-subtitle {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ol-text-muted);
  margin-top: 2px;
}

.theme-toggle {
  border: 1px solid var(--ol-border-strong);
  background: transparent;
  color: var(--ol-gold);
  font-family: 'Syne', sans-serif;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 9px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.theme-toggle:hover {
  background: var(--ol-gold-10);
}

/* ------------------------------------------------------------------
   Search
   ------------------------------------------------------------------ */

.search-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 56px 0 40px;
}

.search-tagline {
  font-family: 'Syne', sans-serif;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ol-text-muted);
  margin-bottom: 18px;
}

.search-box {
  position: relative;
  width: 100%;
  max-width: 560px;
}

.search-input-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--ol-bg-raised);
  border: 1px solid var(--ol-border);
  border-radius: 999px;
  padding: 16px 22px;
  box-shadow: var(--ol-shadow);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.search-input-wrap:focus-within {
  border-color: var(--ol-gold);
  box-shadow: 0 0 0 3px var(--ol-gold-10), var(--ol-shadow);
}

.search-icon {
  color: var(--ol-gold);
  flex: 0 0 auto;
  display: flex;
}

#coin-search {
  flex: 1 1 auto;
  background: transparent;
  border: none;
  outline: none;
  color: var(--ol-text-bright);
  font-size: 19px;
  letter-spacing: 0.01em;
}
#coin-search::placeholder {
  color: var(--ol-text-dim);
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
}

.search-spinner {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--ol-border-strong);
  border-top-color: var(--ol-gold);
  animation: ol-spin 0.7s linear infinite;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.search-spinner.is-active { opacity: 1; }
@keyframes ol-spin { to { transform: rotate(360deg); } }

.search-dropdown {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 10px);
  background: var(--ol-bg-card);
  border: 1px solid var(--ol-border-strong);
  border-radius: 18px;
  box-shadow: var(--ol-shadow);
  overflow: hidden;
  z-index: 40;
  display: none;
  max-height: 360px;
  overflow-y: auto;
}
.search-dropdown.is-open { display: block; }

.search-result {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  cursor: pointer;
  border-bottom: 1px solid var(--ol-border);
}
.search-result:last-child { border-bottom: none; }
.search-result:hover,
.search-result.is-active {
  background: var(--ol-gold-10);
}

.search-result-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--ol-bg-raised);
  flex: 0 0 auto;
  object-fit: cover;
}

.search-result-main {
  flex: 1 1 auto;
  min-width: 0;
}

.search-result-name {
  font-size: 16px;
  color: var(--ol-text-bright);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-result-symbol {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--ol-text-muted);
  letter-spacing: 0.04em;
}

.search-result-rank {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--ol-gold);
  flex: 0 0 auto;
}

.search-empty, .search-error {
  padding: 16px 18px;
  color: var(--ol-text-muted);
  font-size: 15px;
}
.search-error { color: var(--ol-negative); }

/* ------------------------------------------------------------------
   Coin detail — brightened, larger type for clear at-a-glance reading
   ------------------------------------------------------------------ */

#coin-detail {
  display: none;
  margin-top: 12px;
}
#coin-detail.is-visible { display: block; }

.coin-card {
  background: var(--ol-bg-card);
  border: 1px solid var(--ol-border);
  border-radius: 22px;
  padding: 36px 40px 40px;
  box-shadow: var(--ol-shadow);
}

.coin-header {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  padding-bottom: 28px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--ol-border);
}

.coin-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--ol-bg-raised);
  border: 1px solid var(--ol-border-strong);
}

.coin-heading {
  flex: 1 1 auto;
  min-width: 220px;
}

.coin-name {
  font-size: 32px;
  color: var(--ol-text-bright);
  line-height: 1.15;
}

.coin-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
}

.coin-symbol {
  font-size: 16px;
  color: var(--ol-gold-bright);
  letter-spacing: 0.06em;
}

.coin-rank {
  font-family: 'Syne', sans-serif;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ol-text-muted);
  border: 1px solid var(--ol-border-strong);
  border-radius: 999px;
  padding: 3px 10px;
}

.coin-badge-stable {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ol-positive);
  border: 1px solid var(--ol-positive);
  border-radius: 999px;
  padding: 3px 10px;
}

.price-block {
  text-align: right;
}

.price-hero {
  font-size: 40px;
  font-weight: 600;
  color: var(--ol-text-bright);
  line-height: 1;
}

.price-btc {
  margin-top: 6px;
  font-size: 15px;
  color: var(--ol-text-muted);
}

/* -- change chips -- */
.change-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 14px;
  margin-bottom: 32px;
}

.change-chip {
  background: var(--ol-bg-raised);
  border: 1px solid var(--ol-border);
  border-radius: 14px;
  padding: 16px 18px;
  text-align: center;
}

.change-chip-label {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ol-text-muted);
  margin-bottom: 8px;
}

.change-chip-value {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 22px;
  font-weight: 600;
}
.change-chip-value.positive { color: var(--ol-positive); }
.change-chip-value.negative { color: var(--ol-negative); }
.change-chip-value.neutral { color: var(--ol-text-bright); }

/* -- generic stat section -- */
.section-title {
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ol-gold);
  margin-bottom: 16px;
  padding-top: 4px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
  margin-bottom: 36px;
}

.stat-card {
  background: var(--ol-bg-raised);
  border: 1px solid var(--ol-border);
  border-radius: 14px;
  padding: 18px 20px;
}

.stat-label {
  font-size: 11px;
  color: var(--ol-text-muted);
  margin-bottom: 8px;
}

.stat-value {
  font-size: 21px;
  font-weight: 600;
  color: var(--ol-text-bright);
  word-break: break-word;
}

.stat-value.placeholder {
  color: var(--ol-text-dim);
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-weight: 400;
  font-size: 17px;
}

/* -- score bars -- */
.score-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 36px;
}

.score-card {
  background: var(--ol-bg-raised);
  border: 1px solid var(--ol-border);
  border-radius: 14px;
  padding: 18px 20px;
}

.score-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
}

.score-bar-track {
  height: 8px;
  border-radius: 999px;
  background: var(--ol-border);
  overflow: hidden;
}

.score-bar-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--ol-gold), var(--ol-gold-bright));
}

/* -- links -- */
.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 36px;
}

.link-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--ol-border-strong);
  border-radius: 999px;
  padding: 9px 18px;
  color: var(--ol-gold-bright);
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background 0.2s ease;
}
.link-pill:hover { background: var(--ol-gold-10); }
.link-pill.is-placeholder {
  color: var(--ol-text-dim);
  cursor: default;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
}

/* -- contract addresses table -- */
.address-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
}
.address-table th, .address-table td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--ol-border);
}
.address-table th {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ol-text-muted);
  font-weight: 400;
}
.address-table td { color: var(--ol-text); word-break: break-all; }

/* ------------------------------------------------------------------
   States
   ------------------------------------------------------------------ */

.state-panel {
  text-align: center;
  padding: 48px 24px;
  color: var(--ol-text-muted);
}
.state-panel.is-error { color: var(--ol-negative); }
.state-panel .state-title {
  font-family: 'Cinzel', serif;
  font-size: 20px;
  color: var(--ol-text-bright);
  margin-bottom: 8px;
}

/* ------------------------------------------------------------------
   Usage footer
   ------------------------------------------------------------------ */

.usage-bar {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--ol-border);
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.usage-label {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ol-text-muted);
  flex: 0 0 auto;
}

.usage-track {
  flex: 1 1 200px;
  height: 6px;
  border-radius: 999px;
  background: var(--ol-border);
  overflow: hidden;
  min-width: 120px;
}

.usage-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--ol-gold), var(--ol-gold-bright));
  width: 0%;
  transition: width 0.4s ease;
}

.usage-figure {
  font-size: 13px;
  color: var(--ol-text-muted);
  flex: 0 0 auto;
}
.usage-figure strong { color: var(--ol-text-bright); }

.usage-plan {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ol-gold);
  border: 1px solid var(--ol-border-strong);
  border-radius: 999px;
  padding: 4px 12px;
  flex: 0 0 auto;
}

/* ------------------------------------------------------------------
   Toast
   ------------------------------------------------------------------ */

.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  background: var(--ol-bg-card);
  border: 1px solid var(--ol-border-strong);
  color: var(--ol-text-bright);
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  letter-spacing: 0.03em;
  padding: 12px 22px;
  border-radius: 999px;
  box-shadow: var(--ol-shadow);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ------------------------------------------------------------------
   Responsive
   ------------------------------------------------------------------ */

@media (max-width: 640px) {
  .page { padding: 24px 16px 64px; }
  .coin-card { padding: 26px 22px 30px; }
  .price-block { text-align: left; margin-top: 12px; }
  .coin-header { flex-direction: column; align-items: flex-start; }
  .price-hero { font-size: 32px; }
}