/* ============================================
   CHARTS.CSS - SCIENCES PO EDITION
   Styles pour les graphiques avec charte institutionnelle
   ============================================ */

/* ============================================
   CHART WRAPPERS
   ============================================ */

.chart-wrapper {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-sm);
    margin: 30px 0;
    min-height: 500px;
    position: relative;
    overflow: visible;
    border: 1px solid var(--sciencespo-gray-light);
    border-top: 4px solid var(--sciencespo-red);
}

.chart-canvas {
    width: 100% !important;
    height: 500px !important;
    max-height: 70vh;
}

/* Bubble charts - plus d'espace */
.chart-wrapper[data-chart-type="bubble"] {
    padding: 40px 20px;
}

.chart-wrapper[data-chart-type="bubble"] .chart-canvas {
    height: 600px !important;
}

/* ============================================
   CHART INFO BOX - SCIENCES PO
   ============================================ */

.chart-info-box {
    background: linear-gradient(135deg, #FFF9F0 0%, #FFF4E6 100%);
    border-left: 4px solid var(--sciencespo-red);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px rgba(230, 20, 45, 0.08);
}

.chart-info-box h5 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--sciencespo-navy);
    font-weight: 700;
    font-size: 1.2rem;
}

.chart-info-box p {
    margin-bottom: 0.75rem;
    color: var(--sciencespo-gray-dark);
    line-height: 1.6;
}

.chart-info-box ul {
    margin-bottom: 0;
    padding-left: 20px;
    color: var(--sciencespo-gray-dark);
}

.chart-info-box ul li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.chart-info-box ul li::marker {
    color: var(--sciencespo-red);
}

.chart-info-box .fst-italic {
    font-style: italic;
    color: var(--sciencespo-gray);
    font-size: 0.95rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(230, 20, 45, 0.2);
}

/* ============================================
   CHART CONTROLS (Sélecteurs)
   ============================================ */

.chart-controls {
    margin-bottom: 25px;
    padding: 1.5rem;
    background: var(--sciencespo-gray-ultralight);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--sciencespo-gray-light);
}

.chart-controls .form-label {
    font-weight: 600;
    color: var(--sciencespo-navy);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.chart-controls .form-select {
    border-radius: var(--border-radius-md);
    border: 2px solid var(--sciencespo-gray-light);
    padding: 0.75rem 1rem;
    transition: all 0.3s;
    font-size: 1rem;
    background: white;
}

.chart-controls .form-select:focus {
    border-color: var(--sciencespo-red);
    box-shadow: 0 0 0 0.25rem rgba(230, 20, 45, 0.15);
}

/* ============================================
   LOADING & ERROR STATES
   ============================================ */

.chart-loading {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 400px;
    color: var(--sciencespo-gray);
}

.chart-loading .spinner-border {
    width: 3rem;
    height: 3rem;
    color: var(--sciencespo-red);
    margin-bottom: 1rem;
}

.chart-error {
    padding: 2rem;
    text-align: center;
    color: var(--sciencespo-red-dark);
    background: #FFF5F5;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--sciencespo-red);
}

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

/* Mobile (< 576px) */
@media (max-width: 575px) {
    .chart-wrapper {
        padding: 15px 10px;
        margin: 15px 0;
    }

    .chart-canvas {
        height: 300px !important;
    }

    .chart-wrapper[data-chart-type="bubble"] .chart-canvas {
        height: 400px !important;
    }

    .chart-info-box {
        padding: 1rem;
        font-size: 0.9rem;
    }

    .chart-controls {
        padding: 1rem;
    }
}

/* Tablet portrait (576px - 768px) */
@media (min-width: 576px) and (max-width: 768px) {
    .chart-wrapper {
        padding: 20px;
    }

    .chart-canvas {
        height: 400px !important;
    }

    .chart-wrapper[data-chart-type="bubble"] .chart-canvas {
        height: 500px !important;
    }
}

/* Tablet landscape (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .chart-canvas {
        height: 450px !important;
    }

    .chart-wrapper[data-chart-type="bubble"] .chart-canvas {
        height: 550px !important;
    }
}

/* Desktop (1025px - 1399px) */
@media (min-width: 1025px) and (max-width: 1399px) {
    .chart-canvas {
        height: 500px !important;
    }

    .chart-wrapper[data-chart-type="bubble"] .chart-canvas {
        height: 600px !important;
    }
}

/* Large Desktop (≥ 1400px) */
@media (min-width: 1400px) {
    .chart-canvas {
        height: 600px !important;
    }

    .chart-wrapper[data-chart-type="bubble"] .chart-canvas {
        height: 700px !important;
    }
}

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

.chart-wrapper.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .chart-wrapper {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
        page-break-inside: avoid;
    }

    .chart-canvas {
        max-height: none !important;
        height: auto !important;
    }

    .chart-info-box {
        background: white;
        border: 1px solid #ddd;
    }
}