/* ═══════════════════════════════════════════════════════════════════
   Trade Analytics — Shared Design System
   Used by: eu-trade-analytics.html, customs-analytics.html, customs-intelligence.html
   Theme: Dark glassmorphism
   ═══════════════════════════════════════════════════════════════════ */

:root {
  /* ── Core palette ── */
  --ta-bg: #0f172a;
  --ta-bg-card: rgba(30, 41, 59, 0.6);
  --ta-bg-header: rgba(15, 23, 42, 0.85);
  --ta-border: rgba(255, 255, 255, 0.08);
  --ta-border-hover: rgba(255, 255, 255, 0.15);

  /* ── Text ── */
  --ta-text: #e2e8f0;
  --ta-text-muted: #94a3b8;
  --ta-text-dim: #64748b;
  --ta-text-heading: #ffffff;

  /* ── Trade colors ── */
  --ta-import: #3b82f6;
  --ta-export: #10b981;
  --ta-balance-pos: #10b981;
  --ta-balance-neg: #ef4444;

  /* ── Accent ── */
  --ta-accent-blue: #3b82f6;
  --ta-accent-green: #10b981;
  --ta-accent-violet: #8b5cf6;
  --ta-accent-amber: #f59e0b;
  --ta-accent-rose: #f43f5e;
  --ta-accent-cyan: #06b6d4;

  /* ── Glassmorphism ── */
  --ta-glass-blur: 12px;
  --ta-glass-bg: rgba(30, 41, 59, 0.6);

  /* ── Spacing ── */
  --ta-radius: 1rem;
  --ta-radius-sm: 0.5rem;

  /* ── Chart ── */
  --ta-chart-height: 380px;
  --ta-chart-font: 'Inter', system-ui, sans-serif;
}

/* ── Glass card ── */
.ta-card {
  background: var(--ta-glass-bg);
  backdrop-filter: blur(var(--ta-glass-blur));
  -webkit-backdrop-filter: blur(var(--ta-glass-blur));
  border: 1px solid var(--ta-border);
  border-radius: var(--ta-radius);
  transition: transform 0.2s, box-shadow 0.2s;
}

.ta-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

/* ── Section header ── */
.ta-section-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--ta-border);
}

.ta-section-header h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ta-text-heading);
  margin: 0;
}

.ta-section-header p {
  font-size: 0.75rem;
  color: var(--ta-text-muted);
  margin: 0;
}

/* ── Export button ── */
.ta-export-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--ta-text-muted);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--ta-border);
  border-radius: var(--ta-radius-sm);
  cursor: pointer;
  transition: all 0.15s;
}

.ta-export-btn:hover {
  color: var(--ta-text);
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--ta-border-hover);
}

/* ── Loader ── */
.ta-loader {
  width: 2rem;
  height: 2rem;
  border: 3px solid var(--ta-border);
  border-top-color: var(--ta-accent-blue);
  border-radius: 50%;
  animation: ta-spin 0.8s linear infinite;
}

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

/* ── Chart container ── */
.ta-chart-wrap {
  position: relative;
  height: var(--ta-chart-height);
  padding: 1rem;
}

/* ── KPI stat card ── */
.ta-stat {
  padding: 1.25rem;
  text-align: center;
}

.ta-stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--ta-text-heading);
}

.ta-stat-label {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--ta-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Country chip ── */
.ta-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ta-text-muted);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--ta-border);
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.15s;
  user-select: none;
}

.ta-chip:hover {
  color: var(--ta-text);
  background: rgba(255, 255, 255, 0.1);
}

.ta-chip.active {
  color: #ffffff;
  background: var(--ta-accent-blue);
  border-color: var(--ta-accent-blue);
}

/* ── Table ── */
.ta-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.ta-table th {
  padding: 0.5rem 0.75rem;
  text-align: left;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--ta-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--ta-border);
}

.ta-table td {
  padding: 0.5rem 0.75rem;
  color: var(--ta-text);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.ta-table tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

.ta-table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ── Print ── */
@media print {
  body { background: #fff !important; color: #000 !important; }
  .ta-card { background: #fff !important; border: 1px solid #ddd !important; backdrop-filter: none !important; }
  .ta-export-btn { display: none !important; }
}