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

:root {
  --bg: #0a0e1a;
  --card: #151b2e;
  --border: rgba(255, 255, 255, 0.06);
  --text: #f3f4f6;
  --muted: #9ca3af;
  --dim: #6b7280;
  --red: #ff4d4f;
  --max-w: 480px;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", sans-serif;
  line-height: 1.5;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px 16px 80px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, #ff4d4f, #cf1322);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.brand-name {
  font-size: 18px;
  font-weight: 700;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-date {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}

.nav-link {
  font-size: 13px;
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.nav-link.active {
  color: var(--red);
  border-color: rgba(255, 77, 79, 0.35);
  background: rgba(255, 77, 79, 0.08);
}

.btn-icon {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 13px;
  cursor: pointer;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

.quote-bar {
  padding: 16px;
  margin-bottom: 16px;
  text-align: center;
}

.pill {
  display: inline-block;
  font-size: 11px;
  color: var(--red);
  border: 1px solid rgba(255, 77, 79, 0.3);
  border-radius: 999px;
  padding: 2px 10px;
  margin-bottom: 10px;
}

.quote-text {
  font-size: 15px;
  color: #e5e7eb;
  line-height: 1.65;
}

.gauge-card {
  padding: 12px;
  margin-bottom: 16px;
}

.gauge-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.gauge-title {
  font-size: 16px;
  font-weight: 600;
}

.gauge-time {
  font-size: 12px;
  color: var(--dim);
}

.gauge-level-row {
  text-align: center;
  padding: 4px 0 6px;
}

.gauge-level {
  display: block;
  font-size: 16px;
  font-weight: 700;
}

.gauge-level.optimistic,
.gauge-level.climax { color: #ff4d4f; }
.gauge-level.frenzy { color: #cf1322; }
.gauge-level.neutral { color: #faad14; }
.gauge-level.caution { color: #52c41a; }
.gauge-level.cold { color: #1890ff; }

.gauge-desc {
  display: block;
  font-size: 14px;
  color: var(--muted);
  margin-top: 4px;
  padding: 0 4px;
}

.gauge-body {
  position: relative;
  height: 150px;
}

.gauge-canvas {
  width: 100%;
  height: 150px;
  display: block;
}

.gauge-hub {
  position: absolute;
  left: 0;
  right: 0;
  top: 58%;
  transform: translateY(-50%);
  text-align: center;
  pointer-events: none;
}

.gauge-score {
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.gauge-score.optimistic,
.gauge-score.climax { color: #ff4d4f; }
.gauge-score.frenzy { color: #cf1322; }
.gauge-score.neutral { color: #faad14; }
.gauge-score.caution { color: #52c41a; }
.gauge-score.cold { color: #1890ff; }

.gauge-score-label {
  font-size: 12px;
  color: var(--dim);
  margin-top: 4px;
  display: block;
}

.gauge-foot {
  text-align: center;
  padding: 4px 4px 0;
}

.gauge-baseline {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}

.gauge-baseline-hint {
  font-size: 11px;
  color: var(--dim);
}

.empty-tip {
  margin-top: 10px;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(255, 77, 79, 0.08);
  border: 1px solid rgba(255, 77, 79, 0.2);
  font-size: 12px;
  color: #fca5a5;
  text-align: center;
}

.section {
  margin-bottom: 16px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 8px;
  padding: 0 2px;
}

.section-title {
  font-size: 15px;
  font-weight: 600;
}

.section-meta {
  font-size: 11px;
  color: var(--dim);
  white-space: nowrap;
}

.section-card {
  padding: 12px;
}

.grid9-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 8px;
}

.grid9-row:last-child {
  margin-bottom: 0;
}

.grid9-cell {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 10px;
  padding: 8px 6px;
  text-align: center;
  min-height: 72px;
}

.grid9-value-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.grid9-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.grid9-label {
  display: block;
  font-size: 10px;
  color: var(--dim);
  margin-top: 4px;
  line-height: 1.3;
}

.grid9-sub {
  display: block;
  font-size: 10px;
  color: var(--dim);
  margin-top: 4px;
  min-height: 14px;
}

.grid9-sub-prefix {
  color: #6b7280;
}

.trend-arrow.trend-good { color: #52c41a; }
.trend-arrow.trend-bad { color: #ff4d4f; }

.peripheral-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.peripheral-cell {
  text-align: center;
  padding: 8px 4px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 10px;
}

.peripheral-label {
  display: block;
  font-size: 10px;
  color: var(--dim);
}

.peripheral-price {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-top: 4px;
}

.peripheral-chg {
  display: block;
  font-size: 11px;
  margin-top: 2px;
  color: var(--muted);
}

.peripheral-chg.up { color: #ff4d4f; }
.peripheral-chg.down { color: #52c41a; }

.grid-empty {
  text-align: center;
  color: var(--dim);
  font-size: 13px;
  padding: 24px 8px;
}

.trend-card {
  padding: 12px;
  margin-bottom: 16px;
}

.trend-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

.trend-canvas {
  width: 100%;
  height: 160px;
  display: block;
}

.skeleton {
  display: block;
  height: 80px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  margin-bottom: 12px;
  animation: pulse 1.2s ease-in-out infinite;
}

.skeleton.mid { height: 280px; }

.footer-meta {
  margin-top: 8px;
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.status-bar {
  font-size: 12px;
  color: var(--dim);
  text-align: center;
  margin-bottom: 12px;
}

.status-bar.ok { color: #86efac; }
.status-bar.err { color: #fca5a5; }

.site-footer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--dim);
  line-height: 1.7;
  text-align: center;
}

.site-footer strong {
  color: #fca5a5;
  font-weight: 600;
}

.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.history-table th,
.history-table td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.history-table th {
  color: var(--muted);
  font-weight: 500;
  font-size: 12px;
}

.history-table .score,
.history-table .level {
  font-weight: 600;
}

.history-table .optimistic,
.history-table .climax { color: #ff4d4f; }
.history-table .frenzy { color: #cf1322; }
.history-table .neutral { color: #faad14; }
.history-table .caution { color: #52c41a; }
.history-table .cold { color: #1890ff; }

.history-table .index-chg.index-up { color: #ff4d4f; }
.history-table .index-chg.index-down { color: #52c41a; }

.history-table .empty {
  text-align: center;
  color: var(--dim);
  padding: 32px 8px;
}

@media (min-width: 520px) {
  .page { padding-top: 24px; }
}