/**
 * KPI Cards Component Styles
 * Stats row with skeleton loading and click-through navigation
 */

/* ═══════════════════════════════════════════════════════════════════
   KPI ROW
   ═══════════════════════════════════════════════════════════════════ */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

@media (max-width: 1024px) {
  .kpi-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .kpi-row {
    grid-template-columns: 1fr;
  }
}

/* ═══════════════════════════════════════════════════════════════════
   KPI CARD
   ═══════════════════════════════════════════════════════════════════ */
.kpi-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--dash-card);
  border: 1px solid var(--dash-border);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
  width: 100%;
  min-height: 88px;
}

.kpi-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.15);
}

.kpi-card:active {
  transform: translateY(0);
}

/* ═══════════════════════════════════════════════════════════════════
   KPI ICON
   ═══════════════════════════════════════════════════════════════════ */
.kpi-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  flex-shrink: 0;
}

.kpi-icon svg {
  width: 24px;
  height: 24px;
  color: #fff;
}

/* Icon variants */
.kpi-icon--rezervari {
  background: linear-gradient(135deg, #22c55e 0%, #10b981 100%);
}

.kpi-icon--urmatoarea {
  background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
}

.kpi-icon--mesaje {
  background: linear-gradient(135deg, #8b5cf6 0%, #a855f7 100%);
}

.kpi-icon--notificari {
  background: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
}

/* ═══════════════════════════════════════════════════════════════════
   KPI DATA
   ═══════════════════════════════════════════════════════════════════ */
.kpi-data {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.kpi-value {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-text);
  line-height: 1.2;
  min-height: 32px;
  display: flex;
  align-items: center;
}

.kpi-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ═══════════════════════════════════════════════════════════════════
   SKELETON LOADING
   ═══════════════════════════════════════════════════════════════════ */
.kpi-value.skeleton {
  position: relative;
  color: transparent;
  background: var(--dash-surface);
  border-radius: var(--radius-sm);
  min-width: 48px;
  overflow: hidden;
}

.kpi-value.skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.08) 50%,
    transparent 100%
  );
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* ═══════════════════════════════════════════════════════════════════
   STAT UPDATED ANIMATION
   ═══════════════════════════════════════════════════════════════════ */
.kpi-value.updated {
  animation: pulse-glow 0.5s ease;
}

@keyframes pulse-glow {
  0% {
    text-shadow: 0 0 0 transparent;
  }
  50% {
    text-shadow: 0 0 12px var(--color-primary);
    color: var(--color-primary);
  }
  100% {
    text-shadow: 0 0 0 transparent;
  }
}

/* ═══════════════════════════════════════════════════════════════════
   GLASS KPI CARDS - TECHNICAL DESIGN
   ═══════════════════════════════════════════════════════════════════ */
.kpi-card.glass-card {
  position: relative;
  background: rgba(var(--color-surface-rgb, 15, 23, 42), 0.6);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  overflow: hidden;
  transition: all 0.3s ease;
}

/* Dungă colorată sus */
.kpi-card.glass-card::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, #3b82f6, #06b6d4);
  opacity: 0.8;
  transition: all 0.3s ease;
}

/* Glow effect în fundal */
.kpi-card.glass-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle at center,
    rgba(14, 165, 233, 0.08) 0%,
    transparent 60%
  );
  pointer-events: none;
  z-index: 0;
}

.kpi-card.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(14, 165, 233, 0.3);
  box-shadow:
    0 12px 40px rgba(14, 165, 233, 0.15),
    0 0 20px rgba(59, 130, 246, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.kpi-card.glass-card:hover::before {
  opacity: 1;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.5);
}

/* Variante de dungă colorată pentru KPI */
.kpi-card.glass-card.stripe-green::before {
  background: linear-gradient(90deg, #22c55e, #10b981);
}

.kpi-card.glass-card.stripe-green:hover::before {
  box-shadow: 0 0 12px rgba(34, 197, 94, 0.5);
}

.kpi-card.glass-card.stripe-cyan::before {
  background: linear-gradient(90deg, #06b6d4, #0ea5e9);
}

.kpi-card.glass-card.stripe-cyan:hover::before {
  box-shadow: 0 0 12px rgba(6, 182, 212, 0.5);
}

.kpi-card.glass-card.stripe-purple::before {
  background: linear-gradient(90deg, #8b5cf6, #a855f7);
}

.kpi-card.glass-card.stripe-purple:hover::before {
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.5);
}

.kpi-card.glass-card.stripe-orange::before {
  background: linear-gradient(90deg, #f59e0b, #f97316);
}

.kpi-card.glass-card.stripe-orange:hover::before {
  box-shadow: 0 0 12px rgba(249, 115, 22, 0.5);
}

/* 3D KPI Icon */
.kpi-icon.icon-3d {
  position: relative;
  z-index: 1;
  box-shadow:
    3px 3px 10px rgba(0, 0, 0, 0.3),
    -1px -1px 6px rgba(255, 255, 255, 0.05),
    inset 1px 1px 2px rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.kpi-icon.icon-3d svg {
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

/* KPI data relative positioning */
.kpi-card.glass-card .kpi-data {
  position: relative;
  z-index: 1;
}