/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    transition: all 0.3s ease;
}

/* Container principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-brand h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-name {
    font-weight: 500;
}

.logout-btn {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

/* Contenu principal */
.main-content {
    min-height: calc(100vh - 80px);
    padding: 2rem 0;
}

.welcome-section {
    text-align: center;
    margin-bottom: 3rem;
}

.welcome-section h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.8;
}

/* Grille du dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* Cards */
.card {
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}



.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
    overflow-x: auto;
    word-wrap: break-word;
    word-break: break-word;
}

.card-body p {
    margin-bottom: 1rem;
    opacity: 0.8;
}

/* Images dans les card-body pour éviter le débordement horizontal */
.card-body img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
    margin: 0.5rem 0;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    object-fit: contain;
}

/* Tables dans les card-body */
.card-body table {
    max-width: 100%;
    overflow-x: auto;
    display: block;
    white-space: nowrap;
    border-collapse: collapse;
    margin: 1rem 0;
}

/* Code préformaté dans les card-body */
.card-body pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-x: auto;
    max-width: 100%;
}

/* Boutons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(240, 147, 251, 0.4);
}

.btn-warning {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    color: #333;
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(252, 182, 159, 0.4);
}

.btn-info {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    color: #333;
}

.btn-info:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(168, 237, 234, 0.4);
}

.btn-full {
    width: 100%;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

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

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-color-alpha);
}

/* Alertes */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-weight: 500;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* Page de connexion */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
}

.login-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.login-header p {
    opacity: 0.8;
}

.login-form {
    margin-bottom: 1.5rem;
}

.login-footer {
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.8;
}

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

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

.table th {
    font-weight: 600;
    background: var(--table-header-bg);
}

.table tr:hover {
    background: var(--table-hover-bg);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .welcome-section h1 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    /* Images encore plus petites sur mobile */
    .card-body img {
        max-width: 100% !important;
        width: auto !important;
        margin: 0.25rem 0;
    }
    
    /* Tables responsive sur mobile */
    .card-body table,
    .table {
        font-size: 0.85rem;
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}

@media (max-width: 480px) {
    .login-container {
        padding: 1rem;
    }
    
    .login-card {
        padding: 1.5rem;
    }
    
    .welcome-section h1 {
        font-size: 1.8rem;
    }
}