/**
 * executive-dashboard.css — Styles premium pour le Dashboard DG Exécutif
 *
 * Design : Shadcn-inspired, glassmorphism, micro-animations
 * Compatible : Bootstrap 5, Roboto font, Dark/Light mode
 */

/* ═══════════════════════════════════════════════
   1. Design Tokens
   ═══════════════════════════════════════════════ */
:root {
    --exec-bg-primary: #0a0e1a;
    --exec-bg-card: rgba(255, 255, 255, 0.03);
    --exec-bg-card-hover: rgba(255, 255, 255, 0.06);
    --exec-border: rgba(255, 255, 255, 0.08);
    --exec-border-hover: rgba(255, 255, 255, 0.15);
    --exec-text-primary: #f1f5f9;
    --exec-text-secondary: #94a3b8;
    --exec-text-muted: #64748b;
    --exec-accent-blue: #3b82f6;
    --exec-accent-emerald: #10b981;
    --exec-accent-amber: #f59e0b;
    --exec-accent-red: #ef4444;
    --exec-accent-purple: #8b5cf6;
    --exec-accent-cyan: #06b6d4;
    --exec-gradient-blue: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    --exec-gradient-emerald: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --exec-gradient-amber: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --exec-gradient-red: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --exec-shadow-card: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.24);
    --exec-shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.4);
    --exec-radius: 16px;
    --exec-radius-sm: 10px;
    --exec-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ═══════════════════════════════════════════════
   2. Layout Principal
   ═══════════════════════════════════════════════ */
.exec-dashboard {
    background: var(--exec-bg-primary);
    min-height: calc(100vh - 120px);
    padding: 24px;
    border-radius: var(--exec-radius);
    font-family: 'Roboto', 'Inter', -apple-system, sans-serif;
}

.exec-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 16px;
}

.exec-header__title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--exec-text-primary);
    letter-spacing: -0.02em;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.exec-header__title-icon {
    width: 36px;
    height: 36px;
    background: var(--exec-gradient-blue);
    border-radius: var(--exec-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
}

.exec-header__subtitle {
    font-size: 0.875rem;
    color: var(--exec-text-muted);
    margin-top: 4px;
    font-weight: 400;
}

/* ═══════════════════════════════════════════════
   3. Filtre de Période
   ═══════════════════════════════════════════════ */
.exec-period-selector {
    display: flex;
    background: var(--exec-bg-card);
    border: 1px solid var(--exec-border);
    border-radius: 12px;
    padding: 3px;
    gap: 2px;
}

.exec-period-btn {
    padding: 8px 18px;
    border: none;
    background: transparent;
    color: var(--exec-text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--exec-transition);
    white-space: nowrap;
}

.exec-period-btn:hover {
    color: var(--exec-text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.exec-period-btn.active {
    background: var(--exec-accent-blue);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.35);
}

/* ═══════════════════════════════════════════════
   4. Cartes KPI
   ═══════════════════════════════════════════════ */
.exec-kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

@media (max-width: 1200px) {
    .exec-kpi-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 576px) {
    .exec-kpi-grid { grid-template-columns: 1fr; }
}

.exec-kpi-card {
    background: var(--exec-bg-card);
    border: 1px solid var(--exec-border);
    border-radius: var(--exec-radius);
    padding: 22px;
    transition: var(--exec-transition);
    position: relative;
    overflow: hidden;
}

.exec-kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: var(--exec-radius) var(--exec-radius) 0 0;
    opacity: 0.9;
}

.exec-kpi-card--blue::before    { background: var(--exec-gradient-blue); }
.exec-kpi-card--emerald::before { background: var(--exec-gradient-emerald); }
.exec-kpi-card--amber::before   { background: var(--exec-gradient-amber); }
.exec-kpi-card--red::before     { background: var(--exec-gradient-red); }

.exec-kpi-card:hover {
    background: var(--exec-bg-card-hover);
    border-color: var(--exec-border-hover);
    box-shadow: var(--exec-shadow-card-hover);
    transform: translateY(-2px);
}

.exec-kpi-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.exec-kpi-card__label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--exec-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.exec-kpi-card__icon {
    width: 38px;
    height: 38px;
    border-radius: var(--exec-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.exec-kpi-card__icon--blue    { background: rgba(59, 130, 246, 0.12); color: var(--exec-accent-blue); }
.exec-kpi-card__icon--emerald { background: rgba(16, 185, 129, 0.12); color: var(--exec-accent-emerald); }
.exec-kpi-card__icon--amber   { background: rgba(245, 158, 11, 0.12); color: var(--exec-accent-amber); }
.exec-kpi-card__icon--red     { background: rgba(239, 68, 68, 0.12); color: var(--exec-accent-red); }

.exec-kpi-card__value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--exec-text-primary);
    line-height: 1;
    margin-bottom: 6px;
}

.exec-kpi-card__suffix {
    font-size: 1rem;
    font-weight: 400;
    color: var(--exec-text-muted);
    margin-left: 4px;
}

.exec-kpi-card__trend {
    font-size: 0.75rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}

.exec-kpi-card__trend--up   { color: var(--exec-accent-emerald); }
.exec-kpi-card__trend--down { color: var(--exec-accent-red); }

/* ═══════════════════════════════════════════════
   5. Grille de Graphiques
   ═══════════════════════════════════════════════ */
.exec-charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

@media (max-width: 992px) {
    .exec-charts-grid { grid-template-columns: 1fr; }
}

.exec-chart-card {
    background: var(--exec-bg-card);
    border: 1px solid var(--exec-border);
    border-radius: var(--exec-radius);
    padding: 22px;
    transition: var(--exec-transition);
}

.exec-chart-card:hover {
    border-color: var(--exec-border-hover);
}

.exec-chart-card--full {
    grid-column: 1 / -1;
}

.exec-chart-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.exec-chart-card__title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--exec-text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.exec-chart-card__title-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.exec-chart-card__badge {
    font-size: 0.7rem;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 20px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--exec-accent-blue);
}

/* ═══════════════════════════════════════════════
   6. Table Critique
   ═══════════════════════════════════════════════ */
.exec-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.exec-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.exec-table thead th {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--exec-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 12px 16px;
    border-bottom: 1px solid var(--exec-border);
    text-align: left;
    white-space: nowrap;
}

.exec-table tbody tr {
    transition: var(--exec-transition);
}

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

.exec-table tbody td {
    font-size: 0.85rem;
    color: var(--exec-text-primary);
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    vertical-align: middle;
}

.exec-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    white-space: nowrap;
}

.exec-badge--yellow   { background: rgba(245, 158, 11, 0.12); color: #f59e0b; }
.exec-badge--blue     { background: rgba(59, 130, 246, 0.12); color: #3b82f6; }
.exec-badge--green    { background: rgba(16, 185, 129, 0.12); color: #10b981; }
.exec-badge--red      { background: rgba(239, 68, 68, 0.12); color: #ef4444; }
.exec-badge--gray     { background: rgba(148, 163, 184, 0.12); color: #94a3b8; }

.exec-badge--urgence-critique { background: rgba(239, 68, 68, 0.15); color: #fca5a5; border: 1px solid rgba(239, 68, 68, 0.25); }
.exec-badge--urgence-elevee   { background: rgba(245, 158, 11, 0.15); color: #fcd34d; border: 1px solid rgba(245, 158, 11, 0.25); }
.exec-badge--urgence-normale  { background: rgba(148, 163, 184, 0.1); color: #94a3b8; }

.exec-days-counter {
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
    font-size: 0.85rem;
}

.exec-days-counter--warning { color: var(--exec-accent-amber); }
.exec-days-counter--danger  { color: var(--exec-accent-red); }
.exec-days-counter--safe    { color: var(--exec-text-secondary); }

/* ═══════════════════════════════════════════════
   7. Animation d'entrée
   ═══════════════════════════════════════════════ */
@keyframes exec-fade-up {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.exec-animate-in {
    animation: exec-fade-up 0.45s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.exec-animate-in:nth-child(1) { animation-delay: 0.05s; }
.exec-animate-in:nth-child(2) { animation-delay: 0.10s; }
.exec-animate-in:nth-child(3) { animation-delay: 0.15s; }
.exec-animate-in:nth-child(4) { animation-delay: 0.20s; }

/* ═══════════════════════════════════════════════
   8. Indicateur Pulse (Live)
   ═══════════════════════════════════════════════ */
.exec-pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--exec-accent-emerald);
    border-radius: 50%;
    display: inline-block;
    position: relative;
}

.exec-pulse-dot::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: var(--exec-accent-emerald);
    animation: exec-pulse 2s ease-in-out infinite;
}

@keyframes exec-pulse {
    0%, 100% { opacity: 0; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.8); }
}

/* ═══════════════════════════════════════════════
   9. Empty State
   ═══════════════════════════════════════════════ */
.exec-empty {
    text-align: center;
    padding: 48px 24px;
    color: var(--exec-text-muted);
}

.exec-empty__icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    opacity: 0.3;
}

.exec-empty__text {
    font-size: 0.9rem;
    font-weight: 400;
}

/* ═══════════════════════════════════════════════
   10. ApexCharts Override (Dark Theme)
   ═══════════════════════════════════════════════ */
.exec-dashboard .apexcharts-tooltip {
    background: #1e293b !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: 10px !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4) !important;
}

.exec-dashboard .apexcharts-tooltip-title {
    background: rgba(255, 255, 255, 0.05) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
    color: #e2e8f0 !important;
    font-weight: 600 !important;
}

.exec-dashboard .apexcharts-tooltip-text-y-label,
.exec-dashboard .apexcharts-tooltip-text-y-value {
    color: #e2e8f0 !important;
}

.exec-dashboard .apexcharts-legend-text {
    color: var(--exec-text-secondary) !important;
    font-size: 0.8rem !important;
}

.exec-dashboard .apexcharts-gridline {
    stroke: rgba(255, 255, 255, 0.04) !important;
}

.exec-dashboard .apexcharts-xaxis-label,
.exec-dashboard .apexcharts-yaxis-label {
    fill: var(--exec-text-muted) !important;
}

/* ═══════════════════════════════════════════════
   11. Responsive Fine-tuning
   ═══════════════════════════════════════════════ */
@media (max-width: 768px) {
    .exec-dashboard {
        padding: 16px;
    }

    .exec-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .exec-header__title {
        font-size: 1.35rem;
    }

    .exec-kpi-card__value {
        font-size: 1.5rem;
    }

    .exec-chart-card {
        padding: 16px;
    }
}