* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --gold: #f0b429;
  --gold-dark: #c9910a;
  --up: #22c55e;
  --down: #ef4444;
}

[data-theme="dark"] {
  --bg: #100c07;
  --card: #1c160d;
  --card-border: #332711;
  --text: #f3ebd9;
  --muted: #a99a7c;
  --heading: #ffffff;
  --chip-bg: #2a2213;
  --gold-link: var(--gold);
}

[data-theme="light"] {
  --bg: #f8f4e8;
  --card: #ffffff;
  --card-border: #e6dab8;
  --text: #251a08;
  --muted: #7c6a45;
  --heading: #1a1207;
  --chip-bg: #f0e6c8;
  --gold-link: #a97509;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--card-border);
  padding: 16px 0;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 1.3rem;
  font-weight: 800;
  text-decoration: none;
  color: var(--text);
}
.logo .dot { color: var(--gold); }
.header-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}
.header-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.theme-toggle-track {
  width: 40px;
  height: 22px;
  border-radius: 980px;
  background: var(--card-border);
  border: 1px solid var(--card-border);
  display: block;
  position: relative;
}
.theme-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--gold);
  transition: transform 0.25s ease;
}
[data-theme="dark"] .theme-toggle-thumb { transform: translateX(18px); }

/* Hero */
.hero {
  padding: 40px 0 12px;
  text-align: center;
}
.hero h1 {
  font-size: 2rem;
  margin-bottom: 10px;
  color: var(--heading);
}
.hero p {
  color: var(--muted);
  max-width: 660px;
  margin: 0 auto;
}
.live-bar {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding: 8px 16px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  font-size: 0.88rem;
  color: var(--muted);
}
.live-bar strong { color: var(--text); }
.live-bar .sep { color: var(--card-border); }
.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--up);
  box-shadow: 0 0 0 0 rgba(34,197,94,0.6);
  animation: pulse 1.6s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34,197,94,0.55); }
  70% { box-shadow: 0 0 0 8px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}

/* Tabs */
.tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 28px 0 4px;
}
.tab-btn {
  background: var(--card);
  border: 1px solid var(--card-border);
  color: var(--muted);
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
}
.tab-btn.active {
  background: var(--gold);
  color: #201607;
  border-color: var(--gold);
}

/* Price grid */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 24px auto 8px;
}
.price-grid.hidden { display: none; }

.price-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 18px;
  transition: background 0.5s ease, border-color 0.5s ease;
}
.price-card.flash-up { background: rgba(34,197,94,0.16); border-color: var(--up); }
.price-card.flash-down { background: rgba(239,68,68,0.16); border-color: var(--down); }

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.card-top h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--heading);
}
.change {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--chip-bg);
  color: var(--muted);
}
.change.up { background: rgba(34,197,94,0.16); color: var(--up); }
.change.down { background: rgba(239,68,68,0.16); color: var(--down); }

.rows .row {
  display: flex;
  justify-content: space-between;
  padding: 5px 0;
  font-size: 0.95rem;
  color: var(--muted);
}
.rows .row strong {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.rows .row.big strong {
  font-size: 1.35rem;
  color: var(--heading);
}

.refresh-note {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  margin: 10px auto 30px;
}

/* Content sections */
.content {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 28px;
  margin: 24px auto;
  max-width: 760px;
}
.content h2 {
  font-size: 1.25rem;
  margin: 0 0 12px;
  color: var(--heading);
}
.content h2:not(:first-child) { margin-top: 26px; }
.content p { color: var(--text); margin-bottom: 10px; }
.content p.muted { color: var(--muted); font-size: 0.9rem; }

.faq-item { margin-bottom: 16px; }
.faq-item h3 { font-size: 1.02rem; margin-bottom: 4px; color: var(--heading); }
.faq-item p { color: var(--muted); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--card-border);
  padding: 26px 0 40px;
  margin-top: 20px;
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--muted);
}
.site-footer .credit a { color: var(--gold-link); text-decoration: none; }
.foot-links a { color: var(--muted); text-decoration: none; margin-left: 14px; }

.hidden { display: none !important; }

/* Favorite star button */
.fav-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  padding: 0 0 0 8px;
  color: var(--muted);
}
.fav-btn.is-fav { color: var(--gold); }

.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 30px 10px;
  font-size: 0.95rem;
}

/* Stock / favorites list (thin rows) */
.stock-list-title {
  font-size: 1.15rem;
  color: var(--heading);
  margin: 30px 0 4px;
}
.stock-list-hint {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 12px;
}
.stock-loading { color: var(--muted); padding: 16px 0; }

.stock-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--card-border);
}
.stock-row {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  background: none;
  border: none;
  border-bottom: 1px solid var(--card-border);
  padding: 12px 4px;
  cursor: pointer;
  text-align: left;
  color: var(--text);
  transition: background-color 0.5s ease;
}
.stock-row:hover { background: var(--chip-bg); }
.stock-row.flash-up { background: rgba(34,197,94,0.16); }
.stock-row.flash-down { background: rgba(239,68,68,0.16); }

.stock-row .fav-btn { flex-shrink: 0; padding-left: 0; }
.stock-row .stock-id { flex: 1; min-width: 0; }
.stock-row .stock-ticker {
  font-weight: 700;
  color: var(--heading);
  font-size: 0.92rem;
  display: block;
}
.stock-row .stock-name {
  color: var(--muted);
  font-size: 0.78rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}
.stock-row .stock-price {
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 0.95rem;
  text-align: right;
  min-width: 74px;
}
.stock-row .change {
  flex-shrink: 0;
  min-width: 62px;
  text-align: center;
}
.stock-row::after {
  content: "›";
  flex-shrink: 0;
  color: var(--muted);
  font-size: 1.1rem;
}
.stock-row.no-chart { cursor: default; }
.stock-row.no-chart::after { content: ""; }
.stock-row.no-chart:hover { background: none; }

/* Chart modal */
.chart-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.chart-modal.hidden { display: none; }
.chart-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 8, 4, 0.55);
}
.chart-modal-inner {
  position: relative;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px 18px 0 0;
  width: 100%;
  max-width: 560px;
  padding: 22px 20px 26px;
  z-index: 1;
  max-height: 86vh;
  overflow-y: auto;
}
@media (min-width: 640px) {
  .chart-modal { align-items: center; }
  .chart-modal-inner { border-radius: 18px; }
}
.chart-modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: var(--chip-bg);
  border: none;
  color: var(--text);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
}
.chart-modal-head { padding-right: 40px; margin-bottom: 8px; }
.chart-modal-head h3 { font-size: 1.1rem; color: var(--heading); }
.chart-modal-price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--heading);
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
}
.chart-modal-svgwrap { margin: 18px 0 8px; position: relative; min-height: 120px; }
#chartSvg { width: 100%; height: 180px; display: block; }
.chart-modal-status {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.chart-range-btns { display: flex; gap: 8px; justify-content: center; margin-top: 6px; }
.range-btn {
  background: var(--chip-bg);
  border: 1px solid var(--card-border);
  color: var(--muted);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
}
.range-btn.active { background: var(--gold); color: #201607; border-color: var(--gold); }

@media (max-width: 760px) {
  .price-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .price-grid { grid-template-columns: 1fr; }
  .content { padding: 20px; border-radius: 12px; }
  .hero h1 { font-size: 1.6rem; }
}

/* Mobile: long, thin list rows instead of grid cards */
@media (max-width: 600px) {
  .price-grid {
    display: block;
    border-top: 1px solid var(--card-border);
    margin: 16px 0 4px;
  }
  .price-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 2px;
    border-radius: 0;
    border: none;
    border-bottom: 1px solid var(--card-border);
  }
  .price-card .card-top {
    flex: 1;
    min-width: 0;
    margin-bottom: 0;
  }
  .price-card .card-top h2 {
    font-size: 0.92rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .price-card .rows {
    flex-shrink: 0;
    text-align: right;
  }
  .price-card:not(.simple) .rows .row:first-child { display: none; }
  .price-card .rows .row:last-child { padding: 0; justify-content: flex-end; }
  .price-card .rows .row:last-child span { display: none; }
  .price-card .rows .row strong { font-size: 0.98rem; }
  .price-card .rows .row.big strong { font-size: 1.05rem; }

  .tabs { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; }
  .tab-btn { flex-shrink: 0; padding: 8px 16px; font-size: 0.88rem; }

  .stock-row .stock-name { max-width: 34vw; }
}