:root {
  --bg: #ffffff;
  --surface: #f8f9fa;
  --surface-2: #f0f2f5;
  --border: #e5e7eb;
  --text: #111827;
  --muted: #6b7280;
  --accent: #1d4ed8;
  --accent-light: #eff6ff;
  --red: #dc2626;
  --green: #16a34a;
  --yellow: #d97706;
  --risk-low-bg: #f0fdf4;
  --risk-low-color: #16a34a;
  --risk-mid-bg: #fffbeb;
  --risk-mid-color: #d97706;
  --risk-high-bg: #fef2f2;
  --risk-high-color: #dc2626;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  padding: 0 24px;
  max-width: 960px;
  margin: 0 auto;
}

/* ── Header ───────────────────────────────── */
header {
  border-bottom: 1px solid var(--border);
  padding: 28px 0 20px;
  margin-bottom: 32px;
}

header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

header .subtitle {
  color: var(--muted);
  font-size: 0.875rem;
  margin-top: 4px;
}

/* ── Category tabs ────────────────────────── */
.category-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.cat-tab {
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.cat-tab:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.cat-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ── Company sub-tabs ─────────────────────── */
.company-subtabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  padding-left: 4px;
  border-left: 3px solid var(--border);
}

.company-subtabs:empty { display: none; }

.sub-tab.active {
  background: var(--text);
  border-color: var(--text);
  color: #fff;
}

.company-logo-sm {
  display: inline-block;
  vertical-align: middle;
  margin-right: 2px;
  filter: brightness(0) invert(1);
}

.sub-tab.active .company-logo-sm {
  filter: brightness(0) invert(1);
}

.sub-tab:not(.active) .company-logo-sm {
  filter: none;
}

/* ── Company logo in event header ──────────── */
.company-logo-header {
  width: 20px;
  height: 20px;
  object-fit: contain;
  flex-shrink: 0;
  margin-right: 4px;
  vertical-align: middle;
}

/* ── Date groups ──────────────────────────── */
.date-group { margin-bottom: 12px; }

.date-label {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 0 8px;
}

/* ── Event card ───────────────────────────── */
.event-toggle {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  transition: box-shadow 0.15s;
}

.event-toggle:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.toggle-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  user-select: none;
  background: #ffffff;
  transition: background 0.1s;
}

.toggle-header:hover { background: var(--surface); }

.toggle-arrow {
  color: var(--muted);
  font-size: 0.7rem;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.toggle-arrow.open { transform: rotate(90deg); }

.toggle-title {
  flex: 1;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.4;
}

/* ── Risk badge ───────────────────────────── */
.risk-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
}

.risk-low  { background: var(--risk-low-bg);  color: var(--risk-low-color); }
.risk-mid  { background: var(--risk-mid-bg);  color: var(--risk-mid-color); }
.risk-high { background: var(--risk-high-bg); color: var(--risk-high-color); }

/* ── Toggle body ──────────────────────────── */
.toggle-body {
  display: none;
  padding: 20px 16px 16px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.toggle-body.open { display: block; }

.vol-ranking-header {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin: 20px 0 10px;
}

/* ── Indices grid ─────────────────────────── */
.indices-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 20px;
}

@media (max-width: 600px) {
  .indices-grid { grid-template-columns: repeat(2, 1fr); }
}

.index-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 14px;
}

.index-label {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.index-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.index-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}

.keyword-tag {
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 500;
  padding: 2px 7px;
  border-radius: 999px;
  white-space: nowrap;
}

/* ── Earnings Release Table ───────────────── */
.earnings-release-table {
  margin-bottom: 20px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
}

.er-header {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.er-time {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text);
  margin-left: 6px;
}

.er-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.er-table th {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 500;
  text-align: right;
  padding: 2px 8px 6px;
  border-bottom: 1px solid var(--border);
}

.er-table th:first-child { text-align: left; }

.er-table td {
  padding: 6px 8px;
  text-align: right;
  border-bottom: 1px solid #f1f5f9;
}

.er-label {
  text-align: left !important;
  font-weight: 600;
  color: var(--text);
}

.er-actual {
  font-weight: 700;
  color: var(--text);
}

.er-est {
  color: var(--muted);
}

.surprise-pct {
  font-weight: 700;
  font-size: 0.85rem;
}

.surprise-pct.pos { color: #16a34a; }
.surprise-pct.neg { color: #dc2626; }

.er-guidance {
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 8px;
}

/* ── Chart ────────────────────────────────── */
.chart-wrap {
  overflow-x: auto;
  margin-bottom: 20px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.chart-inner {
  position: relative;
  height: 320px;
  min-width: 600px;
  padding: 12px;
}

/* ── Volatility tabs ──────────────────────── */
.vol-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.vol-tab {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  font-size: 0.8rem;
  font-family: inherit;
  font-weight: 500;
  padding: 6px 14px 8px;
  cursor: pointer;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
}

.vol-tab:hover { color: var(--text); }

.vol-tab.active {
  border-bottom-color: var(--accent);
  color: var(--accent);
}

/* ── Volatility list ──────────────────────── */
.volatility-list {
  list-style: none;
  max-height: 55vh;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.vol-item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 10px;
  padding: 10px 8px;
  border-radius: 4px;
  align-items: start;
  transition: background 0.1s;
}

.vol-item:nth-child(odd)  { background: #ffffff; }
.vol-item:nth-child(even) { background: var(--surface); }
.vol-item:hover { background: #eff6ff; cursor: default; }

.vol-rank {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  text-align: right;
  padding-top: 3px;
}

.vol-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 0.8rem;
  margin-bottom: 5px;
  flex-wrap: wrap;
}

.vol-asset {
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
}

.vol-change-neg { color: var(--red); font-weight: 600; }
.vol-change-pos { color: var(--green); font-weight: 600; }
.vol-change-neu { color: var(--muted); }

.vol-sigma { color: var(--muted); font-size: 0.75rem; }

.vol-timerange {
  color: var(--muted);
  font-size: 0.72rem;
  background: #f1f5f9;
  padding: 1px 7px;
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
}

.vol-window-badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
}
.vol-window-badge.release {
  background: #fff8e1;
  color: #b45309;
}
.vol-window-badge.call {
  background: #fce7f3;
  color: #9d174d;
}

/* ── Speech Summary ───────────────────────── */
.summary-card {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 18px;
}

.summary-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.summary-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
}

.summary-meta {
  font-size: 0.75rem;
  color: var(--muted);
}

.summary-points {
  margin: 0 0 10px 0;
  padding-left: 18px;
  list-style: disc;
}

.summary-points li {
  font-size: 0.83rem;
  line-height: 1.6;
  color: var(--text);
  margin-bottom: 4px;
}

.summary-full {
  font-size: 0.84rem;
  color: var(--text);
  line-height: 1.7;
  margin: 0 0 12px 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.summary-price-row {
  display: flex;
  gap: 12px;
  margin: 10px 0 12px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.summary-price-section {
  flex: 1;
  min-width: 0;
  padding: 10px 0;
}
.summary-price-section + .summary-price-section {
  border-left: 1px solid var(--border);
  padding-left: 12px;
}

.summary-price-title {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.price-change-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 3px 0;
  font-size: 0.82rem;
}

.price-asset {
  font-weight: 700;
  font-size: 0.72rem;
  background: var(--accent-light);
  color: var(--accent);
  padding: 1px 7px;
  border-radius: 999px;
  min-width: 60px;
  text-align: center;
}

.price-range {
  color: var(--muted);
  font-size: 0.76rem;
  flex: 1;
}

.price-pct {
  font-weight: 700;
  font-size: 0.84rem;
  min-width: 60px;
  text-align: right;
}

.summary-impact {
  font-size: 0.78rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 8px;
  line-height: 1.55;
}

.vol-text-ko {
  font-size: 0.84rem;
  color: var(--text);
  line-height: 1.55;
  margin-top: 4px;
}

.vol-text-en {
  font-size: 0.76rem;
  color: var(--muted);
  line-height: 1.45;
  font-style: italic;
  margin-top: 2px;
}

.vol-post-speech {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 5px;
  padding: 2px 8px;
  font-size: 0.72rem;
  color: #92400e;
  background: #fef3c7;
  border: 1px solid #fde68a;
  border-radius: 4px;
}

.vol-source-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.72rem;
  font-style: normal;
  margin-left: 6px;
}

.vol-source-link:hover { text-decoration: underline; }

/* ── YouTube 타임스탬프 링크 ──────────────────── */
.vol-yt-link {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 500;
  background: #f1f5f9;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 1px 8px 1px 6px;
  margin-left: 4px;
  transition: background 0.12s, color 0.12s;
}

.vol-yt-link:hover {
  background: var(--accent-light);
  color: var(--accent);
  border-color: #bfdbfe;
}

/* ── 원문 보기 토글 ───────────────────────────── */
.vol-original {
  margin-top: 3px;
}

.vol-original summary {
  display: inline-block;
  font-size: 0.68rem;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  list-style: none;
  padding: 1px 6px;
  border-radius: 999px;
  background: #f1f5f9;
  border: 1px solid var(--border);
  margin-bottom: 3px;
}

.vol-original summary::-webkit-details-marker { display: none; }

.vol-original summary::before {
  content: '▸ ';
  font-size: 0.6rem;
}

.vol-original[open] summary::before { content: '▾ '; }

.vol-original summary:hover {
  background: var(--accent-light);
  color: var(--accent);
  border-color: #bfdbfe;
}

/* ── Loading ──────────────────────────────── */
.loading {
  color: var(--muted);
  text-align: center;
  padding: 60px 0;
  font-size: 0.9rem;
}

/* ── Methodology section ──────────────────── */
.site-footer {
  margin-top: 60px;
  padding-bottom: 48px;
}

.footer-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 32px;
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-col {
  flex: 1;
  min-width: 200px;
}

.footer-section-title {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-bottom: 12px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links li,
.footer-refs li {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.5;
}

.footer-refs {
  list-style: decimal;
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a,
.footer-refs a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer-links a:hover,
.footer-refs a:hover {
  color: #6366f1;
}