/* WCP-PREMIUM v1 — WEVAL Cockpits Premium Layer
 * D1291 — Doctrine 169 territoire = ce fichier
 * D753-compliant: pas de gradient/bg derriere section headings (eyebrow+underline only)
 * Owned Opus D1291 — premium analytics layer additif
 */

.wcp-premium {
  --wcp-primary: #0F766E;
  --wcp-primary-soft: rgba(15, 118, 110, 0.08);
  --wcp-accent: #B45309;
  --wcp-success: #047857;
  --wcp-danger: #B91C1C;
  --wcp-text-strong: #0B1620;
  --wcp-text: #1F2937;
  --wcp-text-soft: #4B5563;
  --wcp-text-mute: #6B7280;
  --wcp-surface: #FFFFFF;
  --wcp-surface-2: #FAFAF9;
  --wcp-surface-3: #F5F5F4;
  --wcp-border: #E5E7EB;
  --wcp-border-strong: #D1D5DB;
  --wcp-shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --wcp-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --wcp-shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06), 0 2px 4px rgba(15, 23, 42, 0.04);
  --wcp-shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.08), 0 4px 8px rgba(15, 23, 42, 0.04);
  --wcp-ease: cubic-bezier(0.4, 0, 0.2, 1);

  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-feature-settings: 'cv11', 'ss01', 'tnum';
  max-width: 1280px;
  margin: 4rem auto 2rem;
  padding: 0 1.5rem;
  color: var(--wcp-text);
}

/* D753 compliant header: eyebrow + heading + thin accent underline, NO background */
.wcp-premium .wcp-eyebrow {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--wcp-primary);
  margin: 0 0 0.625rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.wcp-premium .wcp-eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--wcp-primary);
  opacity: 0.6;
}
.wcp-premium .wcp-h2 {
  font-size: clamp(1.625rem, 2.6vw, 2.125rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--wcp-text-strong);
  margin: 0 0 0.75rem;
}
.wcp-premium .wcp-sub {
  font-size: 0.95rem;
  color: var(--wcp-text-soft);
  margin: 0 0 1.25rem;
  max-width: 720px;
  letter-spacing: -0.005em;
}
.wcp-premium .wcp-underline {
  height: 2px;
  width: 56px;
  background: var(--wcp-primary);
  margin-bottom: 2.25rem;
  border-radius: 1px;
}

/* KPI grid */
.wcp-premium .wcp-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}
.wcp-premium .wcp-kpi {
  background: var(--wcp-surface);
  border: 1px solid var(--wcp-border);
  border-radius: 14px;
  padding: 1.25rem 1.35rem;
  box-shadow: var(--wcp-shadow-xs);
  transition: transform 0.25s var(--wcp-ease), box-shadow 0.25s var(--wcp-ease), border-color 0.25s var(--wcp-ease);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(8px);
  animation: wcpFadeUp 0.55s var(--wcp-ease) forwards;
}
.wcp-premium .wcp-kpi:hover {
  transform: translateY(-2px);
  box-shadow: var(--wcp-shadow-md);
  border-color: var(--wcp-border-strong);
}
.wcp-premium .wcp-kpi-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--wcp-text-mute);
  margin-bottom: 0.6rem;
}
.wcp-premium .wcp-kpi-value {
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--wcp-text-strong);
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
  margin-bottom: 0.4rem;
}
.wcp-premium .wcp-kpi-delta {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  letter-spacing: -0.005em;
}
.wcp-premium .wcp-kpi-delta.up { color: var(--wcp-success); background: rgba(4, 120, 87, 0.08); }
.wcp-premium .wcp-kpi-delta.down { color: var(--wcp-danger); background: rgba(185, 28, 28, 0.08); }
.wcp-premium .wcp-kpi-delta.flat { color: var(--wcp-text-mute); background: var(--wcp-surface-3); }
.wcp-premium .wcp-kpi-spark {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 90px;
  height: 32px;
  opacity: 0.5;
  pointer-events: none;
}

/* Chart grid */
.wcp-premium .wcp-chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.125rem;
}
.wcp-premium .wcp-chart-card {
  background: var(--wcp-surface);
  border: 1px solid var(--wcp-border);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: var(--wcp-shadow-sm);
  transition: transform 0.3s var(--wcp-ease), box-shadow 0.3s var(--wcp-ease);
  opacity: 0;
  transform: translateY(10px);
  animation: wcpFadeUp 0.65s var(--wcp-ease) forwards;
}
.wcp-premium .wcp-chart-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--wcp-shadow-lg);
}
.wcp-premium .wcp-chart-title {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--wcp-text-strong);
  margin-bottom: 0.25rem;
}
.wcp-premium .wcp-chart-meta {
  font-size: 0.78rem;
  color: var(--wcp-text-mute);
  margin-bottom: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.wcp-premium .wcp-chart-meta::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--wcp-success);
  box-shadow: 0 0 0 3px rgba(4, 120, 87, 0.16);
  animation: wcpPulse 2.2s var(--wcp-ease) infinite;
}
.wcp-premium .wcp-chart-canvas-wrap {
  position: relative;
  height: 220px;
}
.wcp-premium .wcp-chart-canvas-wrap.tall { height: 260px; }

/* Stagger reveal */
.wcp-premium .wcp-kpi:nth-child(1) { animation-delay: 0.05s; }
.wcp-premium .wcp-kpi:nth-child(2) { animation-delay: 0.12s; }
.wcp-premium .wcp-kpi:nth-child(3) { animation-delay: 0.19s; }
.wcp-premium .wcp-kpi:nth-child(4) { animation-delay: 0.26s; }
.wcp-premium .wcp-chart-card:nth-child(1) { animation-delay: 0.34s; }
.wcp-premium .wcp-chart-card:nth-child(2) { animation-delay: 0.42s; }
.wcp-premium .wcp-chart-card:nth-child(3) { animation-delay: 0.50s; }

/* Footer note */
.wcp-premium .wcp-foot {
  margin-top: 1.5rem;
  font-size: 0.75rem;
  color: var(--wcp-text-mute);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.005em;
}
.wcp-premium .wcp-foot code {
  font-family: 'SF Mono', 'Monaco', 'Cascadia Code', monospace;
  font-size: 0.72rem;
  background: var(--wcp-surface-3);
  padding: 0.15rem 0.42rem;
  border-radius: 4px;
  color: var(--wcp-text-soft);
}

@keyframes wcpFadeUp {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes wcpPulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(4, 120, 87, 0.16); }
  50% { box-shadow: 0 0 0 6px rgba(4, 120, 87, 0.04); }
}

@media (max-width: 640px) {
  .wcp-premium { margin-top: 2.5rem; padding: 0 1rem; }
  .wcp-premium .wcp-kpi-value { font-size: 1.55rem; }
  .wcp-premium .wcp-chart-canvas-wrap { height: 190px; }
}

/* Respect explicit dark/light force from P9 user preference */
@media (prefers-reduced-motion: reduce) {
  .wcp-premium .wcp-kpi, .wcp-premium .wcp-chart-card {
    animation: none;
    opacity: 1;
    transform: none;
  }
  .wcp-premium .wcp-chart-meta::before { animation: none; }
}