/* ========== Sidebar Admin: categorías y desplegables ========== */
body.admin-panel .sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
body.admin-panel .sidebar-group {
    margin: 4px 12px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}
body.admin-panel .sidebar-group-toggle {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 12px 14px;
    gap: 12px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    border-radius: var(--radius-sm);
    transition: background 0.2s, color 0.2s;
    font-family: inherit;
}
body.admin-panel .sidebar-group-toggle:hover {
    background: var(--bg-hover);
    color: #f8fafc;
}
body.admin-panel .sidebar-group-toggle.open {
    background: rgba(99, 102, 241, 0.12);
    color: #f8fafc;
}
body.admin-panel .sidebar-group-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}
body.admin-panel .sidebar-group-label {
    flex: 1;
}
body.admin-panel .sidebar-group-chevron {
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid currentColor;
    opacity: 0.8;
    transition: transform 0.25s ease;
    flex-shrink: 0;
}
body.admin-panel .sidebar-group-toggle.open .sidebar-group-chevron {
    transform: rotate(180deg);
}
body.admin-panel .sidebar-group-items {
    padding: 4px 0 8px 0;
    padding-left: 14px;
    border-left: 2px solid rgba(99, 102, 241, 0.25);
    margin-left: 22px;
    margin-top: -2px;
    animation: admin-group-in 0.2s ease-out;
}
@keyframes admin-group-in {
    from { opacity: 0.6; }
    to { opacity: 1; }
}
body.admin-panel .sidebar-group-items .nav-link-sub {
    display: flex;
    align-items: center;
    padding: 10px 14px;
    gap: 10px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: background 0.2s, color 0.2s;
    margin-bottom: 2px;
    position: relative;
}
body.admin-panel .sidebar-group-items .nav-link-sub::before {
    content: '';
    position: absolute;
    left: -14px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.4;
}
body.admin-panel .sidebar-group-items .nav-link-sub.active::before {
    opacity: 1;
    background: var(--primary-color);
}
body.admin-panel .sidebar-group-items .nav-link-sub:hover {
    background: var(--bg-hover);
    color: #f8fafc;
}
body.admin-panel .sidebar-group-items .nav-link-sub.active {
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.25) 0%, transparent 100%);
    color: #f8fafc;
    font-weight: 600;
}
body.admin-panel .nav-item-exit {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}
body.admin-panel .nav-link-exit {
    color: var(--text-muted);
}
body.admin-panel .nav-link-exit:hover {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
}
body.admin-panel .sidebar-legal {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    font-size: 11px;
}
body.admin-panel .sidebar-legal a {
    color: var(--text-muted);
    text-decoration: none;
}
body.admin-panel .sidebar-legal a:hover {
    color: var(--primary-color);
}

.admin-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.admin-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.admin-header h1 {
    color: var(--text-primary);
    font-size: 2rem;
    margin-bottom: 5px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-card);
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.stat-card h3 {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 10px;
    font-weight: 500;
}

.stat-value {
    color: var(--text-primary);
    font-size: 2rem;
    font-weight: 700;
}

.usuarios-form {
    background: var(--bg-card);
    padding: 25px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 600;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-help {
    display: block;
    margin-top: 5px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.usuarios-table-container {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    overflow-x: auto;
}

.usuarios-table {
    width: 100%;
    border-collapse: collapse;
}

.usuarios-table th {
    background: var(--bg-secondary);
    padding: 15px;
    text-align: left;
    color: var(--text-primary);
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
}

.usuarios-table td {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

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

.btn-action {
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

.btn-edit:hover {
    background: var(--primary-dark);
}

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

.btn-delete:hover {
    background: #dc2626;
}

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

.btn-view:hover {
    background: var(--secondary-dark);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

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

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

.btn-block {
    width: 100%;
}

.alert {
    padding: 15px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid #10b981;
    color: #10b981;
}

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

@media (max-width: 768px) {
    .admin-container {
        padding: 10px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* En el panel admin, mostrar siempre el menú hamburguesa y el sidebar en móvil (el CSS global los oculta a ≤767px) */
@media (max-width: 1024px) {
    body.admin-panel .menu-toggle {
        display: flex !important;
        position: fixed;
        top: 15px;
        left: 15px;
        z-index: 1001;
        width: 48px;
        height: 48px;
        align-items: center;
        justify-content: center;
        background: var(--primary-color);
        color: white;
        border: none;
        border-radius: var(--radius-sm);
        font-size: 24px;
        cursor: pointer;
        box-shadow: var(--shadow-lg);
    }
    body.admin-panel .menu-toggle:hover {
        background: var(--primary-dark);
    }
    body.admin-panel .sidebar {
        display: flex !important;
        flex-direction: column !important;
        position: fixed !important;
        left: 0;
        top: 0;
        height: 100vh;
        width: 280px;
        max-width: 85vw;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
        box-shadow: none;
    }
    body.admin-panel .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-xl);
    }
    body.admin-panel .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.7);
        z-index: 999;
        backdrop-filter: blur(4px);
    }
    body.admin-panel .sidebar-overlay.active {
        display: block !important;
    }
    body.admin-panel .main-wrapper {
        padding-top: 70px !important;
        padding-left: 0 !important;
    }
}

@media (max-width: 767px) {
    body.admin-panel .menu-toggle {
        display: flex !important;
    }
    body.admin-panel .sidebar {
        display: flex !important;
        flex-direction: column !important;
        transform: translateX(-100%);
    }
    body.admin-panel .sidebar.open {
        transform: translateX(0);
    }
    body.admin-panel .sidebar-overlay.active {
        display: block !important;
    }
}