/* ==============================================================================
   STYLES GLOBAUX ET COMPOSANTS PARTAGÉS — PHP E-COMMERCE
   ============================================================================== */

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --success-hover: #059669;
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --warning-color: #f59e0b;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #0f172a;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-hover);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    width: 100%;
}

.main-content {
    flex: 1;
    padding-top: 30px;
    padding-bottom: 40px;
}

/* ==============================================================================
   EN-TÊTE ET NAVIGATION (HEADER & NAV)
   ============================================================================== */

.main-header {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.brand-logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-logo:hover {
    color: var(--primary-color);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.nav-link {
    font-weight: 500;
    color: var(--text-color);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
}

.nav-link:hover {
    background-color: #f1f5f9;
}

.cart-link {
    position: relative;
}

.badge {
    background-color: var(--danger-color);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 999px;
    margin-left: 4px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #f1f5f9;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.9rem;
}

.user-solde {
    color: var(--success-color);
    font-weight: 700;
}

.auth-links {
    display: flex;
    gap: 10px;
}

/* ==============================================================================
   BOUTONS ET FORMULAIRES
   ============================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

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

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

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

.btn-secondary:hover {
    background-color: #475569;
    color: white;
}

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

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

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

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

.btn-edit {
    background-color: #3b82f6;
    color: white;
}

.btn-edit:hover {
    background-color: #2563eb;
    color: white;
}

.btn-logout {
    background: #e2e8f0;
    color: #475569;
    padding: 4px 10px;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

.btn-logout:hover {
    background: #cbd5e1;
    color: #1e293b;
}

.btn-login {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
}

.btn-register {
    background: var(--primary-color);
    color: white;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
}

.btn-register:hover {
    background: var(--primary-hover);
    color: white;
}

.btn-large {
    padding: 12px 24px;
    font-size: 1.05rem;
}

.btn-block {
    width: 100%;
}

.btn-disabled {
    background-color: #cbd5e1;
    color: #94a3b8;
    cursor: not-allowed;
}

.btn-sm {
    padding: 4px 10px;
    font-size: 0.8rem;
}

/* Formulaires */

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.form-group label {
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    background-color: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* ==============================================================================
   ALERTES ET NOTIFICATIONS
   ============================================================================== */

.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-weight: 500;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-danger {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.alert-info {
    background-color: #e0f2fe;
    color: #075985;
    border: 1px solid #bae6fd;
}

.alert-warning-sm {
    background-color: #fef3c7;
    color: #92400e;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    margin: 10px 0;
}

/* ==============================================================================
   TABLEAUX D'ADMINISTRATION ET DU PANIER
   ============================================================================== */

.table-responsive {
    overflow-x: auto;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 25px;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th, td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: #f8fafc;
    font-weight: 600;
    color: #475569;
}

tr:last-child td {
    border-bottom: none;
}

.table-thumb, .cart-thumb {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.role-badge {
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-admin {
    background-color: #fef3c7;
    color: #b45309;
}

.badge-user {
    background-color: #e0e7ff;
    color: #4338ca;
}

/* ==============================================================================
   PIED DE PAGE (FOOTER)
   ============================================================================== */

.main-footer {
    background-color: #ffffff;
    border-top: 1px solid var(--border-color);
    padding: 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: auto;
}