/* koc-report.css — KOC Report Page */

.page-content {
  max-width: 960px;
  margin: 80px auto 48px;
  padding: 0 20px;
}

/* ── Sub-tab bar ─────────────────────────────────────────────── */
.sub-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  background: var(--bg-surface, rgba(255,255,255,0.04));
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  padding: 4px;
  width: fit-content;
}

.sub-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-sec);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.sub-tab:hover {
  color: var(--text-main);
  background: rgba(255,255,255,0.06);
}

.sub-tab.active {
  background: var(--accent, #0a84ff);
  color: #fff;
}

/* ── Glass card ──────────────────────────────────────────────── */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-glass);
  overflow: hidden;
}

.panel-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.panel-header h2 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel-content {
  padding: 20px 24px 24px;
}

/* ── Filter row ──────────────────────────────────────────────── */
.filter-row {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.filter-btn-wrap {
  flex-direction: row;
  align-items: center;
  gap: 10px;
  padding-bottom: 1px;
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-sec);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Date range chip ─────────────────────────────────────────── */
.date-range-chip {
  font-size: 11px;
  color: var(--text-sec);
  background: var(--bg-surface, rgba(255,255,255,0.05));
  border: 1px solid var(--border-glass);
  border-radius: 4px;
  padding: 3px 8px;
}

/* ── Comparison table ────────────────────────────────────────── */
.koc-table {
  width: 100%;
  border-collapse: collapse;
}

.koc-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-sec);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-glass);
}

.koc-table td {
  padding: 13px 12px;
  border-bottom: 1px solid var(--border-glass);
  font-size: 14px;
  color: var(--text-main);
  vertical-align: middle;
}

.koc-table tr:last-child td {
  border-bottom: none;
}

.koc-table td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--text-sec);
}

.koc-name-cell {
  font-weight: 600;
  color: var(--text-main);
}

/* ── Charts ──────────────────────────────────────────────────── */
.charts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.chart-wrap {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chart-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-sec);
  text-align: center;
}

/* ── Empty / loading state ──────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 40px 24px;
  color: var(--text-sec);
  font-size: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.empty-state i {
  font-size: 28px;
  opacity: 0.5;
}

/* ── Spinner ────────────────────────────────────────────────── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.15);
  border-top-color: var(--accent, #0a84ff);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 640px) {
  .charts-row {
    grid-template-columns: 1fr;
  }
  .filter-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .koc-table th:nth-child(n+3),
  .koc-table td:nth-child(n+3) {
    display: none;
  }
}