/* css/main.css */

:root {
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --secondary-color: #764ba2;
    --success-color: #48bb78;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-light: #a0aec0;
    --bg-primary: #ffffff;
    --bg-secondary: #f7fafc;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.2);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 15px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-gradient);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

header {
    background: var(--bg-primary);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: 30px;
    text-align: center;
}

header h1 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

header h1 svg {
    color: var(--primary-color);
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.main-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.section-card {
    background: var(--bg-primary);
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.section-title {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.empty-state,
.loading-state,
.error-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state svg,
.error-state svg {
    color: var(--text-light);
    margin-bottom: 20px;
}

.empty-state h3,
.error-state h3 {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 1.5rem;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    color: white;
    font-weight: 600;
    z-index: 9999;
    opacity: 0;
    transform: translateY(-20px);
    transition: var(--transition);
}

.notification.show {
    opacity: 1;
    transform: translateY(0);
}

.notification-success {
    background: var(--success-color);
}

.notification-error {
    background: var(--danger-color);
}

.notification-warning {
    background: var(--warning-color);
}

.notification-info {
    background: var(--primary-color);
}

::-webkit-scrollbar {
    width: 10px;
}

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

/* Ajouter ces styles dans main.css */

/* ===== HEADER LAYOUT ===== */

header {
    background: var(--bg-primary);
    padding: 25px 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: 30px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.header-left {
    flex: 1;
}

.header-left h1 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-left h1 svg {
    color: var(--primary-color);
    flex-shrink: 0;
}

.header-left .subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
}

.header-right {
    flex-shrink: 0;
}

/* Mobile header */
@media (max-width: 768px) {
    header {
        padding: 20px;
    }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .header-left h1 {
        font-size: 1.5rem;
    }

    .header-left h1 svg {
        width: 32px;
        height: 32px;
    }

    .header-right {
        width: 100%;
        display: flex;
        justify-content: flex-end;
    }
}

@media (max-width: 480px) {
    .header-left h1 {
        font-size: 1.3rem;
    }

    .header-left .subtitle {
        font-size: 0.9rem;
    }
}