/* ============================================
   APP GRAPHIQUE - Styles pour la page d'analyse
   Utilise les variables de app.css
   ============================================ */

/* ============================================
   LAYOUT PRINCIPAL
   ============================================ */

.analyse-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: var(--bg-primary);
}

.analyse-body {
    flex: 1;
    padding: var(--spacing-xl);
    margin-top: 80px;
    max-width: 1600px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   CONTRÔLES
   ============================================ */

.analyse-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    background: var(--bg-card);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.controls-left,
.controls-right {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.period-selector {
    padding: 10px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--white);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

    .period-selector:focus {
        outline: none;
        border-color: var(--secondary-color);
        box-shadow: 0 0 0 3px rgba(72, 202, 228, 0.1);
    }

    .period-selector:hover {
        border-color: var(--primary-blue);
    }

/* ============================================
   STATS GRID (KPI Cards)
   ============================================ */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid transparent;
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
    position: relative;
    overflow: hidden;
}

    .stat-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: var(--gradient-primary);
    }

    .stat-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
        border-color: var(--primary-blue);
    }

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-card.revenue .stat-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.stat-card.orders .stat-icon {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.stat-card.customers .stat-icon {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.stat-card.average .stat-icon {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.stat-icon svg {
    stroke: var(--white);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.stat-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

    .stat-content h3 {
        margin: 0;
        font-size: 0.875rem;
        font-weight: 600;
        color: var(--text-secondary);
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin: var(--spacing-xs) 0;
}

.stat-change {
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: 12px;
    align-self: flex-start;
}

    .stat-change.positive {
        background: rgba(16, 185, 129, 0.1);
        color: var(--success-color);
    }

    .stat-change.negative {
        background: rgba(239, 68, 68, 0.1);
        color: var(--danger-color);
    }

    .stat-change.neutral {
        background: var(--gray-100);
        color: var(--gray-600);
    }

/* ============================================
   CHARTS GRID
   ============================================ */

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.chart-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition);
    margin-bottom:20px;
}

    .chart-card:hover {
        box-shadow: var(--shadow-lg);
    }

.chart-header {
    padding: var(--spacing-lg) var(--spacing-xl);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    border-bottom: 2px solid var(--border-color);
}

    .chart-header h2 {
        margin: 0;
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--text-primary);
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
    }

.chart-container {
    padding: var(--spacing-xl);
    height: 350px;
    position: relative;
}

    .chart-container canvas {
        max-height: 100%;
    }

/* ============================================
   TABLE CARD
   ============================================ */

.table-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}

.table-header {
    padding: var(--spacing-lg) var(--spacing-xl);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    border-bottom: 2px solid var(--border-color);
}

    .table-header h2 {
        margin: 0;
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--text-primary);
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
    }

.table-body {
    overflow-x: auto;
}

.product-name {
    font-weight: 600;
    color: var(--text-primary);
}

/* Progress bar dans le tableau */
.data-table .progress-bar {
    width: 100px;
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 4px;
}

.data-table .progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    transition: width 0.5s ease-in-out;
}

.data-table small {
    font-size: 11px;
    color: var(--text-secondary);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1200px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }
}

@media (max-width: 768px) {
    .analyse-body {
        padding: var(--spacing-md);
        margin-top: 0;
    }

    .analyse-controls {
        flex-direction: column;
        align-items: stretch;
        padding: var(--spacing-md);
    }

    .controls-left,
    .controls-right {
        width: 100%;
        justify-content: center;
    }

    .period-selector {
        width: 100%;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .stat-card {
        padding: var(--spacing-lg);
    }

    .stat-icon {
        width: 48px;
        height: 48px;
    }

    .stat-value {
        font-size: 1.75rem;
    }

    .charts-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .chart-container {
        height: 300px;
        padding: var(--spacing-md);
    }

    .chart-header,
    .table-header {
        padding: var(--spacing-md) var(--spacing-lg);
    }

        .chart-header h2,
        .table-header h2 {
            font-size: 1.1rem;
        }

    /* Table responsive */
    .data-table {
        font-size: 0.875rem;
    }

        .data-table th,
        .data-table td {
            padding: 12px 8px;
        }

        .data-table .progress-bar {
            width: 60px;
        }
}

@media (max-width: 480px) {
    .stat-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .chart-container {
        height: 250px;
        padding: var(--spacing-sm);
    }

    /* Masquer certaines colonnes sur mobile */
    .data-table th:nth-child(3),
    .data-table td:nth-child(3),
    .data-table th:nth-child(5),
    .data-table td:nth-child(5) {
        display: none;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-card,
.chart-card,
.table-card {
    animation: fadeInUp 0.5s ease-out;
}

    .stat-card:nth-child(1) {
        animation-delay: 0.1s;
    }

    .stat-card:nth-child(2) {
        animation-delay: 0.2s;
    }

    .stat-card:nth-child(3) {
        animation-delay: 0.3s;
    }

    .stat-card:nth-child(4) {
        animation-delay: 0.4s;
    }

/* ============================================
   LOADING OVERLAY (spécifique graphiques)
   ============================================ */

.chart-container .loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    z-index: 10;
}

    .chart-container .loading-overlay .loading-spinner {
        width: 40px;
        height: 40px;
        border: 3px solid var(--gray-200);
        border-top-color: var(--primary-blue);
        border-radius: 50%;
        animation: spin 0.8s linear infinite;
        margin-bottom: var(--spacing-md);
    }

    .chart-container .loading-overlay p {
        color: var(--text-secondary);
        font-size: 14px;
        margin: 0;
    }