/**
 * BELLA TCHAĞ - Admin CSS
 * Styles pour le panneau d'administration
 */

/* ============================================
   VARIABLES & RESET
   ============================================ */

:root {
    /* Couleurs principales */
    --admin-primary: #c0392b;
    --admin-secondary: #2c2013;
    --admin-success: #27ae60;
    --admin-warning: #f39c12;
    --admin-info: #3498db;
    --admin-danger: #e74c3c;
    --admin-dark: #1a1a1a;
    
    /* Backgrounds */
    --admin-bg: #0f0f0f;
    --admin-surface: #1a1a1a;
    --admin-card: #242424;
    --admin-hover: #2d2d2d;
    
    /* Texte */
    --admin-text: #ffffff;
    --admin-text-muted: #a0a0a0;
    --admin-text-dark: #2c2013;
    
    /* Bordures */
    --admin-border: #333333;
    
    /* Effets */
    --admin-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --admin-shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.4);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
}

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

.admin-body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--admin-bg);
    color: var(--admin-text);
    line-height: 1.6;
    min-height: 100vh;
}

/* ============================================
   PAGE DE CONNEXION
   ============================================ */

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--admin-bg) 0%, #1a0f0a 100%);
    padding: var(--spacing-md);
}

.login-container {
    background: var(--admin-surface);
    border-radius: 16px;
    padding: var(--spacing-xl);
    max-width: 450px;
    width: 100%;
    box-shadow: var(--admin-shadow-lg);
    border: 1px solid var(--admin-border);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.login-header h1 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    color: var(--admin-primary);
    margin-bottom: var(--spacing-xs);
    letter-spacing: 2px;
}

.login-header p {
    color: var(--admin-text-muted);
    font-size: 0.95rem;
}

.login-form {
    margin-bottom: var(--spacing-lg);
}

.login-form .form-group {
    margin-bottom: var(--spacing-md);
}

.login-form label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--admin-text);
    font-weight: 500;
}

.login-form label i {
    margin-right: 0.5rem;
    color: var(--admin-primary);
}

.login-form input[type="password"] {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--admin-card);
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    color: var(--admin-text);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.login-form input[type="password"]:focus {
    outline: none;
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.1);
}

.btn-login {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--admin-primary) 0%, #a02818 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(192, 57, 43, 0.3);
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(192, 57, 43, 0.4);
}

.btn-login i {
    margin-right: 0.5rem;
}

.error-message {
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid var(--admin-danger);
    color: var(--admin-danger);
    padding: 0.75rem;
    border-radius: 8px;
    margin-top: var(--spacing-md);
    text-align: center;
}

.login-footer {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--admin-border);
}

.back-link {
    color: var(--admin-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: var(--admin-primary);
}

.back-link i {
    margin-right: 0.5rem;
}

/* ============================================
   HEADER ADMIN
   ============================================ */

.admin-header {
    background: var(--admin-surface);
    border-bottom: 1px solid var(--admin-border);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--admin-shadow);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left h1 {
    font-family: 'Playfair Display', serif;
    font-size: 1.75rem;
    color: var(--admin-primary);
    margin-bottom: 0.25rem;
    letter-spacing: 1px;
}

.header-left h1 i {
    margin-right: 0.5rem;
}

.subtitle {
    color: var(--admin-text-muted);
    font-size: 0.85rem;
}

.header-right {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-view-site,
.btn-logout {
    padding: 0.625rem 1.25rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-view-site:hover {
    background: #a02818;
    transform: translateY(-2px);
}

.btn-logout {
    background: var(--admin-card);
    color: var(--admin-text);
    border: 1px solid var(--admin-border);
}

.btn-logout:hover {
    background: var(--admin-hover);
}

/* ============================================
   MAIN CONTENT
   ============================================ */

.admin-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

/* Actions Bar */
.actions-bar {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.btn-action {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

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

.btn-save:hover {
    background: #229954;
    transform: translateY(-2px);
}

.btn-reset {
    background: var(--admin-warning);
    color: white;
}

.btn-reset:hover {
    background: #d68910;
    transform: translateY(-2px);
}

.btn-export,
.btn-import {
    background: var(--admin-info);
    color: white;
}

.btn-export:hover,
.btn-import:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

/* ============================================
   DASHBOARD SUMMARY
   ============================================ */

.dashboard-summary {
    background: var(--admin-surface);
    border-radius: 12px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--admin-border);
}

.dashboard-summary h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--admin-text);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.dashboard-summary h2 i {
    color: var(--admin-primary);
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.kpi-card {
    background: var(--admin-card);
    border-radius: 10px;
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border: 1px solid var(--admin-border);
    transition: all 0.3s ease;
}

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

.kpi-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
}

.kpi-primary .kpi-icon { background: rgba(192, 57, 43, 0.15); color: var(--admin-primary); }
.kpi-success .kpi-icon { background: rgba(39, 174, 96, 0.15); color: var(--admin-success); }
.kpi-warning .kpi-icon { background: rgba(243, 156, 18, 0.15); color: var(--admin-warning); }
.kpi-info .kpi-icon { background: rgba(52, 152, 219, 0.15); color: var(--admin-info); }
.kpi-danger .kpi-icon { background: rgba(231, 76, 60, 0.15); color: var(--admin-danger); }
.kpi-dark .kpi-icon { background: rgba(255, 255, 255, 0.1); color: #fff; }

.kpi-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.kpi-label {
    color: var(--admin-text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}

.kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--admin-text);
}

/* ============================================
   SECTIONS
   ============================================ */

.admin-section {
    background: var(--admin-surface);
    border-radius: 12px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--admin-border);
}

.admin-section h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--admin-text);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.admin-section h2 i {
    color: var(--admin-primary);
}

.section-desc {
    color: var(--admin-text-muted);
    margin-bottom: var(--spacing-lg);
    font-size: 0.95rem;
}

/* ============================================
   FORMULAIRES
   ============================================ */

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.form-group.active {
    transform: scale(1.02);
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--admin-text);
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group label i {
    color: var(--admin-primary);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper input {
    flex: 1;
    padding: 0.875rem 3rem 0.875rem 1rem;
    background: var(--admin-card);
    border: 2px solid var(--admin-border);
    border-radius: 8px;
    color: var(--admin-text);
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    width: 100%;
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--admin-primary);
    background: var(--admin-hover);
    box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.1);
}

.input-suffix {
    position: absolute;
    right: 1rem;
    color: var(--admin-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    pointer-events: none;
}

.form-group small {
    color: var(--admin-text-muted);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

/* Champ important (coût matière) */
.highlight-field {
    background: rgba(192, 57, 43, 0.05);
    border: 2px solid rgba(192, 57, 43, 0.2);
    border-radius: 10px;
    padding: var(--spacing-md);
}

.highlight-field label {
    color: var(--admin-primary);
}

.badge-important {
    background: var(--admin-primary);
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

.badge-menu {
    background: var(--admin-info);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 0.75rem;
    animation: pulse 2s infinite;
}

.badge-popular {
    background: var(--admin-warning);
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

.badge-sweet {
    background: #e91e63;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 0.75rem;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.menu-section-highlight {
    background: linear-gradient(135deg, var(--admin-surface) 0%, rgba(52, 152, 219, 0.05) 100%);
    border: 2px solid rgba(52, 152, 219, 0.2);
}

.important-note {
    color: var(--admin-primary) !important;
    font-weight: 500 !important;
}

/* ============================================
   DÉTAILS DES CALCULS
   ============================================ */

.calculations-detail {
    background: linear-gradient(135deg, var(--admin-surface) 0%, #1a0f0a 100%);
}

.calc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.calc-card {
    background: var(--admin-card);
    border-radius: 10px;
    padding: var(--spacing-md);
    border: 1px solid var(--admin-border);
}

.calc-card h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--admin-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.calc-card h3 i {
    color: var(--admin-primary);
}

.calc-formula {
    background: rgba(192, 57, 43, 0.1);
    border-left: 3px solid var(--admin-primary);
    padding: 0.75rem;
    border-radius: 4px;
    margin-bottom: var(--spacing-sm);
}

.calc-formula code {
    color: var(--admin-text);
    font-size: 0.85rem;
    font-family: 'Courier New', monospace;
}

.calc-values {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.calc-values span {
    color: var(--admin-text-muted);
    font-size: 0.9rem;
}

/* ============================================
   NOTIFICATIONS
   ============================================ */

.notification {
    position: fixed;
    bottom: -100px;
    right: var(--spacing-md);
    background: var(--admin-surface);
    color: var(--admin-text);
    padding: 1rem 1.5rem;
    border-radius: 10px;
    box-shadow: var(--admin-shadow-lg);
    border: 1px solid var(--admin-border);
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    min-width: 300px;
    font-weight: 500;
}

.notification.show {
    bottom: var(--spacing-md);
}

.notification.success {
    border-left: 4px solid var(--admin-success);
}

.notification.error {
    border-left: 4px solid var(--admin-danger);
}

.notification.info {
    border-left: 4px solid var(--admin-info);
}

/* ============================================
   FOOTER
   ============================================ */

.admin-footer {
    background: var(--admin-surface);
    border-top: 1px solid var(--admin-border);
    padding: var(--spacing-md);
    text-align: center;
    color: var(--admin-text-muted);
    font-size: 0.9rem;
    margin-top: var(--spacing-xl);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .header-left h1 {
        font-size: 1.5rem;
    }
    
    .actions-bar {
        flex-direction: column;
    }
    
    .btn-action {
        width: 100%;
        justify-content: center;
    }
    
    .kpi-grid,
    .form-grid,
    .calc-grid {
        grid-template-columns: 1fr;
    }
    
    .notification {
        right: var(--spacing-sm);
        left: var(--spacing-sm);
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .login-container {
        padding: var(--spacing-md);
    }
    
    .login-header h1 {
        font-size: 2rem;
    }
    
    .admin-section {
        padding: var(--spacing-md);
    }
}