/* ═══════════════════════════════════════════════════════
   AI Investing Framework — Dark Editorial Theme
   ═══════════════════════════════════════════════════════ */

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

:root {
  --bg-base: #09090b;
  --bg-surface: #0f0f12;
  --bg-elevated: #18181d;
  --bg-hover: #1f1f26;
  --border: #2a2a33;
  --border-subtle: #1a1a22;
  --text-primary: #ededf0;
  --text-secondary: #a0a0ac;
  --text-muted: #5a5a68;
  --accent: #c8a040;
  --accent-dim: rgba(200, 160, 64, 0.10);
  --accent-glow: rgba(200, 160, 64, 0.25);
  --positive: #3dd9a0;
  --negative: #f07070;
  --neutral: #7a7a88;

  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  --max-width: 960px;
  --header-h: 56px;
}

html { font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ─── Layout ─── */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; width: 100%; }

/* ─── Header ─── */
header {
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(9, 9, 11, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: sticky; top: 0; z-index: 100;
}

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h);
}

.logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--text-primary);
}

.logo-mark {
  width: 26px; height: 26px;
  background: var(--accent);
  border-radius: 5px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 700; font-size: 14px;
  color: var(--bg-base);
  transform: rotate(-3deg);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 17px; font-weight: 600;
  letter-spacing: -0.01em;
}

/* ─── Main ─── */
main { flex: 1; padding: 40px 0 80px; }

/* ─── Page Header ─── */
.page-header { margin-bottom: 32px; }
.page-header h1 {
  font-family: var(--font-display);
  font-size: 34px; font-weight: 700;
  letter-spacing: -0.025em; line-height: 1.15;
  margin-bottom: 8px;
}
.page-header .subtitle { color: var(--text-muted); font-size: 14.5px; }

/* ─── Breadcrumb ─── */
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 24px; font-size: 13.5px;
}
.breadcrumb a { color: var(--accent); text-decoration: none; transition: opacity 0.2s; }
.breadcrumb a:hover { opacity: 0.75; }
.breadcrumb .sep { color: var(--text-muted); }

/* ─── Tab Navigation ─── */
.tab-nav {
  display: flex; gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}
.tab-btn {
  padding: 10px 24px;
  background: none; border: none;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 14px; font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.2s, border-color 0.2s;
}
.tab-btn:hover { color: var(--text-secondary); }
.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ─── Chart Container ─── */
.chart-section {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 16px;
  margin-bottom: 20px;
}
.chart-section .chart-title {
  font-family: var(--font-body);
  font-size: 14px; font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.chart-wrap {
  position: relative;
  height: 280px;
}

/* ─── Kechou Signal Cards ─── */
.kechou-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  margin-top: 20px;
}
.kechou-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 16px 18px;
}
.kechou-card.highlighted {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--accent-dim) 100%);
}
.kechou-card .card-group {
  font-family: var(--font-display);
  font-size: 15px; font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  display: flex; justify-content: space-between; align-items: center;
}
.kechou-card .card-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 16px;
  font-size: 13px;
}
.kechou-card .stat-label {
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.kechou-card .stat-value {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}
.kechou-card .stat-value.pos { color: var(--positive); }
.kechou-card .stat-value.neg { color: var(--negative); }
.kechou-card .sample-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-elevated);
  padding: 2px 8px;
  border-radius: 3px;
}
.kechou-card .position-bar {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
  display: flex; justify-content: space-between; align-items: center;
}
.kechou-card .position-label { font-size: 12px; color: var(--text-muted); }
.kechou-card .position-value {
  font-family: var(--font-mono);
  font-size: 16px; font-weight: 600;
  color: var(--accent);
}

/* ─── Sentiment Chart ─── */
.sentiment-summary {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-bottom: 20px;
}
.sentiment-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 13px; font-weight: 500;
}
.sentiment-badge.bullish { background: rgba(61, 217, 160, 0.12); color: var(--positive); }
.sentiment-badge.bearish { background: rgba(240, 112, 112, 0.12); color: var(--negative); }
.sentiment-badge.neutral { background: rgba(122, 122, 136, 0.12); color: var(--neutral); }

/* ─── Scenario Cards ─── */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 24px 0;
}
.scenario-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 18px;
}
.scenario-card.base { border-left: 3px solid var(--accent); }
.scenario-card.up { border-left: 3px solid var(--positive); }
.scenario-card.down { border-left: 3px solid var(--negative); }

.scenario-card .scenario-name {
  font-family: var(--font-display);
  font-size: 15px; font-weight: 600;
  margin-bottom: 4px;
}
.scenario-card .scenario-prob {
  font-family: var(--font-mono);
  font-size: 13px; color: var(--text-muted);
  margin-bottom: 10px;
}
.scenario-card .scenario-desc {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ─── Fundamental Content (Markdown) ─── */
.fundamental-content {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-secondary);
}
.fundamental-content h3 {
  font-size: 17px; color: var(--text-primary);
  margin: 24px 0 10px;
  padding-left: 12px;
  border-left: 2px solid var(--accent);
}
.fundamental-content h4 {
  font-size: 15px; color: var(--text-primary);
  margin: 18px 0 8px;
}
.fundamental-content p { margin-bottom: 12px; }
.fundamental-content strong { color: var(--text-primary); font-weight: 600; }
.fundamental-content ul, .fundamental-content ol { margin: 10px 0; padding-left: 22px; }
.fundamental-content li { margin-bottom: 4px; }
.fundamental-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 6px 16px; margin: 14px 0;
  background: var(--accent-dim);
  border-radius: 0 4px 4px 0;
  color: var(--text-muted); font-size: 13.5px;
}
.fundamental-content table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 13px; }
.fundamental-content thead { background: var(--bg-elevated); }
.fundamental-content th {
  padding: 8px 10px; text-align: left; font-weight: 500;
  border-bottom: 1px solid var(--border); font-size: 12px;
}
.fundamental-content td { padding: 7px 10px; border-bottom: 1px solid var(--border-subtle); }

/* ─── Direction Badge ─── */
.direction-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px; font-weight: 500;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 16px;
}

/* ─── Asset Card (Home) ─── */
.asset-list { display: flex; flex-direction: column; gap: 10px; }
.asset-card {
  display: flex; text-decoration: none; color: inherit;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 6px; overflow: hidden;
  transition: border-color 0.2s, transform 0.15s;
}
.asset-card:hover {
  border-color: var(--border);
  transform: translateY(-1px);
}
.card-accent { width: 3px; background: var(--accent); flex-shrink: 0; }
.card-body { padding: 18px 22px; flex: 1; min-width: 0; }
.card-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 6px; }
.card-name { font-family: var(--font-display); font-size: 18px; font-weight: 600; }
.card-meta {
  font-family: var(--font-mono);
  font-size: 11.5px; color: var(--text-muted);
}

/* ─── Loading ─── */
.loading {
  text-align: center; padding: 80px 0; color: var(--text-muted); font-size: 14px;
}
.loading::after {
  content: ''; display: inline-block;
  width: 16px; height: 16px; border: 2px solid var(--border);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin 0.6s linear infinite; margin-left: 8px; vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Footer ─── */
footer { border-top: 1px solid var(--border-subtle); padding: 18px 0; }
.footer-inner { text-align: center; color: var(--text-muted); font-size: 12px; font-family: var(--font-mono); }

.mono { font-family: var(--font-mono); }

/* ─── Responsive ─── */
@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .page-header h1 { font-size: 26px; }
  .chart-wrap { height: 220px; }
  .kechou-grid { grid-template-columns: 1fr; }
  .scenario-grid { grid-template-columns: 1fr; }
  .tab-btn { padding: 8px 16px; font-size: 13px; }
}