/**
 * Phase 6: Design System — crimson/gold theme
 * Use as base: index.html. Variables + component classes (btn, card, input, badge, table).
 */
:root {
  /* Colors */
  --ds-bg: #0b0608;
  --ds-bg-soft: #14070a;
  --ds-crimson-glow-1: rgba(244, 63, 94, 0.22);
  --ds-crimson-glow-2: rgba(220, 38, 38, 0.18);
  --ds-crimson-glow-3: rgba(251, 113, 133, 0.12);
  --ds-card: rgba(22, 24, 30, 0.7);
  --ds-card-border: rgba(212, 175, 55, 0.15);
  --ds-card-hover: rgba(32, 34, 42, 0.85);
  --ds-text: #f0f1f4;
  --ds-text-soft: #b8bcc4;
  --ds-muted: #6b7280;
  --ds-gold: #d4af37;
  --ds-gold-dim: rgba(212, 175, 55, 0.2);
  --ds-gold-glow: rgba(212, 175, 55, 0.35);
  --ds-accent: #c9a227;
  --ds-cream: #f5f0e6;
  --ds-success: #3fb950;
  --ds-error: #f85149;
  --ds-warning: #d29922;

  /* Radii */
  --ds-radius: 20px;
  --ds-radius-sm: 14px;
  --ds-radius-lg: 28px;

  /* Shadows */
  --ds-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --ds-shadow-gold: 0 0 40px rgba(212, 175, 55, 0.12);

  /* Transitions */
  --ds-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ds-ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ds-transition: 0.4s var(--ds-ease-out);
}

[data-theme="light"] {
  --ds-bg: #fff1f2;
  --ds-bg-soft: #ffe4e6;
  --ds-crimson-glow-1: rgba(225, 29, 72, 0.16);
  --ds-crimson-glow-2: rgba(244, 63, 94, 0.14);
  --ds-crimson-glow-3: rgba(251, 113, 133, 0.12);
  --ds-card: rgba(255, 255, 255, 0.92);
  --ds-card-border: rgba(225, 29, 72, 0.18);
  --ds-card-hover: rgba(255, 255, 255, 0.96);
  --ds-text: #1a1b1e;
  --ds-text-soft: #4b5563;
  --ds-muted: #6b7280;
  --ds-gold: #b8860b;
  --ds-gold-dim: rgba(184, 134, 11, 0.15);
  --ds-gold-glow: rgba(184, 134, 11, 0.2);
  --ds-cream: #1a1b1e;
  --ds-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  --ds-shadow-gold: 0 0 32px rgba(184, 134, 11, 0.08);
}

/* --- Component: .btn --- */
.ds-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--ds-radius-sm);
  border: 1px solid var(--ds-card-border);
  background: var(--ds-card);
  color: var(--ds-text);
  cursor: pointer;
  transition: transform var(--ds-transition), border-color var(--ds-transition), background var(--ds-transition), box-shadow var(--ds-transition);
}
.ds-btn:hover {
  background: var(--ds-card-hover);
  border-color: rgba(212, 175, 55, 0.25);
  box-shadow: var(--ds-shadow-gold);
}
.ds-btn-primary {
  background: var(--ds-gold);
  color: #0b0608;
  border-color: var(--ds-gold);
}
.ds-btn-primary:hover {
  background: var(--ds-accent);
  border-color: var(--ds-accent);
  color: #0b0608;
}
.ds-btn-secondary {
  background: transparent;
  border-color: var(--ds-gold-dim);
}
.ds-btn-sm {
  padding: 8px 14px;
  font-size: 0.875rem;
}

/* --- Component: .ds-card --- */
.ds-card {
  background: var(--ds-card);
  border: 1px solid var(--ds-card-border);
  border-radius: var(--ds-radius);
  padding: 20px 24px;
  box-shadow: var(--ds-shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color var(--ds-transition), background var(--ds-transition);
}
.ds-card:hover {
  border-color: rgba(212, 175, 55, 0.3);
  background: var(--ds-card-hover);
}

/* --- Component: .ds-input --- */
.ds-input {
  width: 100%;
  padding: 10px 16px;
  font-family: inherit;
  font-size: 0.9375rem;
  border-radius: var(--ds-radius-sm);
  border: 1px solid var(--ds-card-border);
  background: var(--ds-card);
  color: var(--ds-text);
  transition: border-color var(--ds-transition);
}
.ds-input:focus {
  outline: none;
  border-color: var(--ds-gold);
}
.ds-input::placeholder {
  color: var(--ds-muted);
}

/* --- Component: .ds-badge --- */
.ds-badge {
  display: inline-block;
  padding: 2px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  letter-spacing: 0.03em;
}
.ds-badge-default {
  background: var(--ds-gold-dim);
  color: var(--ds-gold);
}
.ds-badge-success {
  background: rgba(63, 185, 80, 0.2);
  color: var(--ds-success);
}
.ds-badge-error {
  background: rgba(248, 81, 73, 0.2);
  color: var(--ds-error);
}
.ds-badge-warning {
  background: rgba(210, 153, 34, 0.2);
  color: var(--ds-warning);
}

/* --- Component: .ds-table --- */
.ds-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.ds-table th,
.ds-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--ds-card-border);
}
.ds-table th {
  color: var(--ds-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.ds-table tr:hover td {
  background: rgba(212, 175, 55, 0.05);
}
.ds-table .ds-table-num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* --- Breadcrumbs --- */
.ds-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  color: var(--ds-muted);
  margin-bottom: 16px;
}
.ds-breadcrumbs a {
  color: var(--ds-gold);
  text-decoration: none;
}
.ds-breadcrumbs a:hover {
  text-decoration: underline;
}
.ds-breadcrumbs span {
  color: var(--ds-text-soft);
}
.ds-breadcrumbs .sep {
  color: var(--ds-muted);
  opacity: 0.7;
}