/* ==================== RESET ET BASE ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Palette dark écologique - Tons naturels */
    --bg-primary: #0a0f0a;
    --bg-secondary: #1a231a;
    --bg-card: #2a352a;
    --bg-hover: #3a453a;
    --text-primary: #e8f5e8;
    --text-secondary: #c8e6c8;
    --text-muted: #a5d6a7;
    --accent-primary: #4caf50;
    --accent-secondary: #66bb6a;
    --accent-success: #388e3c;
    --accent-danger: #d32f2f;
    --accent-warning: #ffa000;
    --accent-info: #0288d1;
    --accent-energy: #ffd54f;
    --border-color: #455a45;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.5);
    --gradient-eco: linear-gradient(135deg, #388e3c 0%, #2e7d32 100%);
    --gradient-energy: linear-gradient(135deg, #ffd54f 0%, #ffb300 100%);
    --gradient-dark: linear-gradient(135deg, #2a352a 0%, #1a231a 100%);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    transition: all 0.3s ease;
}

/* ==================== HEADER SOBRE ==================== */
.header {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 0.75rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.header-title h1 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-title h1::before {
    content: '🌿⚡';
    font-size: 1.2rem;
}

.header-subtitle {
    font-size: 0.8rem;
    opacity: 0.8;
    margin-top: 0.25rem;
    display: block;
    color: var(--text-secondary);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
}

#userInfo {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

/* ==================== BOUTONS ÉCOLOGIQUES ==================== */
.btn-primary {
    background: var(--gradient-eco);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(56, 142, 60, 0.4);
}

.btn-logout {
    background: rgba(211, 47, 47, 0.9);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-logout:hover {
    background: #c62828;
    transform: translateY(-1px);
}

/* ==================== CONTAINER PRINCIPAL ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

/* ==================== DASHBOARD WELCOME ==================== */
.dashboard-welcome {
    text-align: center;
    padding: 2rem;
    background: var(--gradient-dark);
    color: var(--text-primary);
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.dashboard-welcome h2 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.dashboard-welcome p {
    font-size: 1rem;
    opacity: 0.9;
    color: var(--text-secondary);
}

/* ==================== PANEL INFO UTILISATEUR ==================== */
.user-info-panel {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    border-left: 4px solid var(--accent-primary);
    box-shadow: var(--shadow);
}

.user-info-panel h3 {
    margin: 0 0 1rem 0;
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
}

/* ==================== STATISTIQUES ==================== */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-eco);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    background: var(--bg-hover);
}

.stat-card h3 {
    margin: 0 0 1rem 0;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--text-primary);
    margin: 0.5rem 0;
    line-height: 1;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin: 0;
}

/* ==================== GESTION DES SECTIONS ==================== */
.management-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.management-card {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.management-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    background: var(--bg-hover);
}

.management-card h3 {
    margin: 0 0 1rem 0;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.management-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.management-btn {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    text-align: left;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.management-btn:hover {
    background: var(--accent-primary);
    transform: translateX(5px);
    border-color: var(--accent-primary);
}

/* ==================== SECTIONS SPÉCIFIQUES ==================== */
.stations-section, .users-section {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.section-title {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.2rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ==================== MODAL ==================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.modal-title {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.modal-text {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.5;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .user-info {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .dashboard-welcome {
        padding: 1.5rem 1rem;
    }
    
    .dashboard-welcome h2 {
        font-size: 1.5rem;
    }
    
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .management-grid {
        grid-template-columns: 1fr;
    }
    
    .management-card {
        padding: 1rem;
    }
    
    .container {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .dashboard-welcome h2 {
        font-size: 1.3rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .management-btn {
        padding: 0.6rem 0.8rem;
        font-size: 0.85rem;
    }
}