:root {
  --bg: #0b0e14;
  --bg-alt: #121722;
  --card: #171d2b;
  --border: #232b3d;
  --text: #e6e9f0;
  --text-dim: #9aa4b8;
  --accent: #3fd68f;
  --accent-dim: #2a9d6e;
  --up: #3fd68f;
  --down: #ff5c66;
  --radius: 12px;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  background: linear-gradient(180deg, var(--bg-alt), var(--bg));
  padding: 40px 0 24px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.site-header h1 {
  margin: 0;
  font-size: 2rem;
  letter-spacing: -0.02em;
}

.site-header .accent {
  color: var(--accent);
}

.tagline {
  color: var(--text-dim);
  margin: 8px 0 0;
  font-size: 1rem;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 20px 0 4px;
  gap: 12px;
  flex-wrap: wrap;
}

.updated {
  color: var(--text-dim);
  font-size: 0.8rem;
}

.toggles {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.toggle-group {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  background: var(--card);
}

.toggle-group button {
  border: 0;
  background: transparent;
  color: var(--text-dim);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 16px;
  cursor: pointer;
}

.toggle-group button.active {
  background: var(--accent);
  color: #0b0e14;
}

/* Fear & Greed stat tile */
.fng {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 12px 0 4px;
}

.fng-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.fng-label {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.fng-class {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 600;
  font-size: 0.9rem;
}

.fng-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.fng-value {
  font-size: 48px;
  font-weight: 600;
  line-height: 1.1;
  margin: 6px 0 10px;
}

.fng-meter {
  position: relative;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
}

.fng-track {
  position: absolute;
  inset: 0;
  background: var(--border);
  opacity: 0.7;
}

.fng-fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  border-radius: 999px;
  transition: width 0.6s ease;
}

.fng-scale {
  display: flex;
  justify-content: space-between;
  color: var(--text-dim);
  font-size: 0.72rem;
  margin-top: 6px;
}

.intro {
  margin: 28px 0 12px;
}

.intro p {
  color: var(--text-dim);
}

.disclaimer {
  background: rgba(255, 92, 102, 0.08);
  border: 1px solid rgba(255, 92, 102, 0.25);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 0.85rem;
  color: #ffb3b8;
}

.status {
  text-align: center;
  color: var(--text-dim);
  padding: 40px 0;
}

.status.error {
  color: var(--down);
}

.ranking {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 20px 0;
}

.coin-card {
  display: grid;
  grid-template-columns: 32px 36px 1fr auto auto auto 26px;
  align-items: center;
  gap: 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
}

.coin-rank {
  font-weight: 700;
  color: var(--text-dim);
  text-align: center;
}

.coin-img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.coin-name {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.coin-name .name {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.coin-name .symbol {
  color: var(--text-dim);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.coin-price {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  text-align: right;
  white-space: nowrap;
}

.star-btn {
  background: transparent;
  border: 0;
  color: var(--text-dim);
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
  padding: 4px 0;
}

.star-btn.active {
  color: #f5c542;
}

.watchlist h2 {
  font-size: 1.05rem;
  margin: 28px 0 10px;
}

.coin-sub {
  display: block;
  color: var(--text-dim);
  font-weight: 400;
  font-size: 0.75rem;
}

.mode-bar {
  display: flex;
  justify-content: flex-end;
  margin: 0 0 10px;
}

.coin-change {
  font-variant-numeric: tabular-nums;
  text-align: right;
  font-weight: 600;
  min-width: 64px;
}

.coin-change.up { color: var(--up); }
.coin-change.down { color: var(--down); }

.spark {
  display: block;
}

/* Gainers / losers */
.movers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 28px 0;
}

.movers-col {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.movers-col h2 {
  font-size: 0.95rem;
  margin: 0 0 10px;
}

.mover-row {
  display: grid;
  grid-template-columns: 20px 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
}

.mover-row img {
  border-radius: 50%;
}

.mover-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mover-price {
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.mover-change {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  min-width: 60px;
  text-align: right;
}

.mover-change.up { color: var(--up); }
.mover-change.down { color: var(--down); }

.up { color: var(--up); }
.down { color: var(--down); }

/* Simulator */
.simulator {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 28px 0;
}

.simulator h2 {
  margin: 0;
  font-size: 1.05rem;
}

.sim-sub {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 4px 0 14px;
}

.sim-form {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.sim-form label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.78rem;
  color: var(--text-dim);
  flex: 1 1 140px;
}

.sim-form select,
.sim-form input {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  padding: 8px 10px;
  width: 100%;
}

.sim-form button {
  background: var(--accent);
  border: 0;
  border-radius: 8px;
  color: #0b0e14;
  font: inherit;
  font-weight: 700;
  padding: 9px 22px;
  cursor: pointer;
  flex: 0 0 auto;
}

.sim-form button:disabled {
  opacity: 0.6;
  cursor: wait;
}

.sim-result {
  margin-top: 14px;
  padding: 12px 14px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.about {
  margin: 36px 0;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.about h2 {
  font-size: 1.1rem;
}

.about p {
  color: var(--text-dim);
  font-size: 0.92rem;
}

.faq {
  margin: 36px 0;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.faq h2 {
  font-size: 1.1rem;
}

.faq details {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 8px;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.92rem;
}

.faq details p {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin: 10px 0 2px;
}

noscript p {
  color: var(--text-dim);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0 40px;
  color: var(--text-dim);
  font-size: 0.8rem;
  text-align: center;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: underline;
}

/* Display ad (300x250) */
.ad-banner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  margin: 28px 0;
}

.ad-label {
  color: var(--text-dim);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

#ad-banner-slot {
  min-height: 250px;
  min-width: 300px;
  display: flex;
  justify-content: center;
}

/* Cookie consent banner */
.cookie-banner {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 1000;
  max-width: 880px;
  margin: 0 auto;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.cookie-banner p {
  margin: 0;
  flex: 1 1 320px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.cookie-banner a {
  color: var(--accent);
}

.cookie-actions {
  display: flex;
  gap: 8px;
}

.cookie-actions button {
  font: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 8px;
  padding: 8px 18px;
  cursor: pointer;
}

#cookie-decline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
}

#cookie-accept {
  background: var(--accent);
  border: 0;
  color: #0b0e14;
}

@media (max-width: 640px) {
  .coin-card {
    grid-template-columns: 24px 28px 1fr auto auto 22px;
    gap: 8px;
  }
  .spark {
    display: none;
  }
  .movers {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .coin-card {
    grid-template-columns: 24px 28px 1fr auto 22px;
  }
  .coin-change {
    display: none;
  }
  .fng-value {
    font-size: 38px;
  }
}