/**
 * Style principal - Thème sombre flat design moderne
 * Avec support thème clair/sombre
 */

/* Thème Sombre (par défaut) */
:root {
    --bg-primary: #1a1d2e;
    --bg-secondary: #242837;
    --bg-tertiary: #2d3142;
    --accent-primary: #00d4aa;
    --accent-secondary: #00a896;
    --accent-hover: #00f3c4;
    --text-primary: #f0f1f5;
    --text-secondary: #a4a8b8;
    --text-muted: #6b7080;
    --border-color: #383c4f;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --danger: #ff4757;
    --warning: #ffa502;
    --success: #00d4aa;
    --info: #3742fa;
    --input-bg: var(--bg-tertiary);
}

/* Thème Clair */
[data-theme="light"] {
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e8ecf1;
    --accent-primary: #00a896;
    --accent-secondary: #008f7a;
    --accent-hover: #00c4aa;
    --text-primary: #1a1d2e;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --border-color: #e2e8f0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
    --input-bg: #ffffff;
}

/* Ajustements spécifiques thème clair */
[data-theme="light"] .card {
    border: 1px solid var(--border-color);
}

[data-theme="light"] .form-control,
[data-theme="light"] .form-select {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
}

[data-theme="light"] .info-box {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

[data-theme="light"] .table th {
    background: var(--bg-tertiary);
}

[data-theme="light"] .btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

[data-theme="light"] .btn-secondary:hover {
    background: var(--border-color);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header / Navigation */
.header {
    background: var(--bg-secondary);
    padding: 1.5rem 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-img {
    height: 55px;
    width: auto;
    object-fit: contain;
    background: transparent;
}

.logo-icon {
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    gap: 1rem;
    list-style: none;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link:hover,
.nav-link.active {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
}

/* Bouton de changement de thème */
.theme-toggle {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    margin-left: 1rem;
}

.theme-toggle:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: rotate(20deg) scale(1.1);
}

.theme-toggle:hover .theme-icon {
    filter: brightness(0);
}

.theme-icon {
    font-size: 1.3rem;
    transition: transform 0.3s ease;
}

[data-theme="light"] .theme-toggle {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="light"] .theme-toggle:hover {
    background: var(--accent-primary);
}

/* Container principal */
.container {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 1rem 0;
}

/* Form Elements */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-label.required::after {
    content: ' *';
    color: var(--danger);
}

.form-control,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.1);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--border-color);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: #ff3838;
}

.btn-success {
    background: var(--success);
    color: var(--bg-primary);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Table */
.table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.table thead {
    background: var(--bg-tertiary);
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table tbody tr {
    transition: background 0.2s ease;
}

.table tbody tr:hover {
    background: var(--bg-tertiary);
    cursor: pointer;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
}

.badge-success {
    background: rgba(0, 212, 170, 0.2);
    color: var(--success);
}

.badge-warning {
    background: rgba(255, 165, 2, 0.2);
    color: var(--warning);
}

.badge-info {
    background: rgba(55, 66, 250, 0.2);
    color: var(--info);
}

/* Alert */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.alert-success {
    background: rgba(0, 212, 170, 0.1);
    border-left: 4px solid var(--success);
    color: var(--success);
}

.alert-danger {
    background: rgba(255, 71, 87, 0.1);
    border-left: 4px solid var(--danger);
    color: var(--danger);
}

.alert-info {
    background: rgba(55, 66, 250, 0.1);
    border-left: 4px solid var(--info);
    color: var(--info);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 2rem;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s ease;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 29, 46, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    backdrop-filter: blur(4px);
}

.loading-overlay .loading {
    width: 50px;
    height: 50px;
    border-width: 4px;
}

/* Search */
.search-box {
    position: relative;
    margin-bottom: 1.5rem;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 3rem;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* Info Box */
.info-box {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border-left: 4px solid var(--accent-primary);
    margin-bottom: 1rem;
}

.info-box-icon {
    font-size: 1.5rem;
    color: var(--accent-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .btn-group {
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .table {
        font-size: 0.85rem;
    }

    .table th,
    .table td {
        padding: 0.5rem;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-color);
}

/* ========================================
   DASHBOARD STYLES
   ======================================== */

.dashboard-content {
    padding: 2rem 0;
}

.dashboard-content h1 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

/* KPI Cards */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.kpi-card {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.kpi-icon {
    font-size: 3rem;
    line-height: 1;
}

.kpi-content h3 {
    font-size: 2rem;
    margin: 0;
    color: var(--accent-primary);
    font-weight: 700;
}

.kpi-content p {
    margin: 0.5rem 0 0 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.chart-card {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.chart-card h2 {
    font-size: 1.2rem;
    margin: 0 0 1.5rem 0;
    color: var(--text-primary);
}

.chart-card canvas {
    max-height: 300px;
}

/* Recent Section */
.recent-section {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.recent-section h2 {
    font-size: 1.2rem;
    margin: 0 0 1.5rem 0;
    color: var(--text-primary);
}

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

#recent-table {
    width: 100%;
    border-collapse: collapse;
}

#recent-table thead {
    background: var(--bg-tertiary);
}

#recent-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

#recent-table td {
    padding: 1rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

#recent-table tbody tr:hover {
    background: var(--bg-tertiary);
}

/* Responsive */
@media (max-width: 768px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }

    .kpi-grid {
        grid-template-columns: 1fr;
    }
}