/* ============================================
   Lash Vanshy - Estilos del Panel Admin
   Diseño: Rosa Pastel (#F8B4C4) + Blanco
   ============================================ */

/* Variables CSS */
:root {
    --primary: #F8B4C4;
    --primary-dark: #E89AAD;
    --secondary: #FFE4EC;
    --accent: #E89AAD;
    --background: #F8F9FA;
    --surface: #FFFFFF;
    --text: #4A4A4A;
    --text-light: #6c757d;
    --text-muted: #adb5bd;
    --border: #E9ECEF;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
    --sidebar-width: 260px;
    --header-height: 70px;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(248, 180, 196, 0.3);
    --font-family: 'Poppins', sans-serif;
}

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

body {
    font-family: var(--font-family);
    color: var(--text);
    background-color: var(--background);
    overflow-x: hidden;
}

/* ============================================
   LAYOUT
   ============================================ */
.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ============================================
   SIDEBAR
   ============================================ */
.admin-sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, #fff 0%, var(--secondary) 100%);
    box-shadow: 2px 0 20px var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
}

.sidebar-header .brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.sidebar-header .brand-icon {
    font-size: 1.5rem;
}

.sidebar-header .brand-text {
    font-size: 1.3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-header .badge {
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
}

.sidebar-nav .nav-item {
    margin-bottom: 0.5rem;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text);
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.sidebar-nav .nav-link i {
    width: 20px;
    text-align: center;
    color: var(--primary-dark);
}

.sidebar-nav .nav-link:hover {
    background: rgba(248, 180, 196, 0.2);
    color: var(--primary-dark);
}

.sidebar-nav .nav-link.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.sidebar-nav .nav-link.active i {
    color: white;
}

.sidebar-nav .nav-link .badge {
    margin-left: auto;
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid var(--border);
    background: white;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text);
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-light);
}

.btn-logout {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

/* ============================================
   MAIN CONTENT
   ============================================ */
.admin-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
}

.admin-header {
    height: var(--header-height);
    background: white;
    box-shadow: 0 2px 10px var(--shadow);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-toggle-sidebar {
    background: transparent;
    border: none;
    font-size: 1.25rem;
    color: var(--text);
    cursor: pointer;
    padding: 0.5rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text);
    margin: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.current-date {
    color: var(--text-light);
    font-size: 0.9rem;
}

.admin-content {
    padding: 2rem;
    flex: 1;
}

/* ============================================
   CARDS
   ============================================ */
.card-admin {
    background: white;
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow);
    overflow: hidden;
}

.card-admin .card-header {
    background: linear-gradient(135deg, var(--secondary), white);
    border-bottom: 1px solid var(--border);
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    color: var(--text);
}

.card-admin .card-body {
    padding: 1.5rem;
}

/* Stats Cards */
.stat-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 20px var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-lg);
}

.stat-card .stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-card .stat-icon.primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.stat-card .stat-icon.success {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
}

.stat-card .stat-icon.warning {
    background: linear-gradient(135deg, var(--warning), #fd7e14);
    color: white;
}

.stat-card .stat-icon.info {
    background: linear-gradient(135deg, var(--info), var(--primary-dark));
    color: white;
}

.stat-card .stat-info h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.stat-card .stat-info p {
    color: var(--text-light);
    margin: 0;
    font-size: 0.9rem;
}

/* ============================================
   TABLES
   ============================================ */
.table-admin {
    width: 100%;
    border-collapse: collapse;
}

.table-admin thead th {
    background: var(--secondary);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text);
    border-bottom: 2px solid var(--primary);
}

.table-admin tbody td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.table-admin tbody tr:hover {
    background: rgba(248, 180, 196, 0.1);
}

.table-admin .actions {
    display: flex;
    gap: 0.5rem;
}

.table-admin .actions .btn {
    padding: 0.4rem 0.75rem;
    border-radius: 8px;
    font-size: 0.85rem;
}

/* ============================================
   FORMS
   ============================================ */
.form-label {
    font-weight: 500;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.form-control, .form-select {
    border: 2px solid var(--border);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    font-family: var(--font-family);
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(248, 180, 196, 0.2);
    outline: none;
}

.form-control.is-invalid {
    border-color: var(--danger);
}

.invalid-feedback {
    color: var(--danger);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

/* Form switch */
.form-switch {
    padding-left: 2.5rem;
}

.form-switch .form-check-input {
    width: 2rem;
    height: 1rem;
    cursor: pointer;
}

.form-switch .form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary-admin {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary-admin:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow-lg);
}

.btn-secondary-admin {
    background: white;
    border: 2px solid var(--border);
    color: var(--text);
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-secondary-admin:hover {
    border-color: var(--primary);
    color: var(--primary-dark);
}

.btn-danger-admin {
    background: var(--danger);
    border: none;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-danger-admin:hover {
    background: #c82333;
    color: white;
}

.btn-sm {
    padding: 0.4rem 0.75rem;
    font-size: 0.85rem;
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    border: none;
    border-radius: 10px;
    padding: 1rem 1.25rem;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda, #c3e6cb);
    color: #155724;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da, #f5c6cb);
    color: #721c24;
}

.alert-warning {
    background: linear-gradient(135deg, #fff3cd, #ffeeba);
    color: #856404;
}

.alert-info {
    background: linear-gradient(135deg, #d1ecf1, #bee5eb);
    color: #0c5460;
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
    margin-top: 1.5rem;
}

.pagination .page-link {
    color: var(--text);
    border: 2px solid var(--border);
    margin: 0 0.25rem;
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
}

.pagination .page-link:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.pagination .page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-color: transparent;
    color: white;
}

/* ============================================
   UTILITIES
   ============================================ */
.text-primary {
    color: var(--primary-dark) !important;
}

.bg-primary-custom {
    background-color: var(--secondary) !important;
}

.badge-admin {
    padding: 0.4rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.badge-admin.bg-success {
    background: linear-gradient(135deg, #28a745, #20c997) !important;
}

.badge-admin.bg-warning {
    background: linear-gradient(135deg, var(--warning), #fd7e14) !important;
    color: #000;
}

.badge-admin.bg-danger {
    background: linear-gradient(135deg, var(--danger), #bd2130) !important;
}

.badge-admin.bg-info {
    background: linear-gradient(135deg, var(--info), var(--primary-dark)) !important;
}

/* Image preview */
.image-preview {
    width: 100%;
    max-height: 200px;
    object-fit: cover;
    border-radius: 10px;
    border: 2px dashed var(--border);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-light);
}

.empty-state i {
    font-size: 3rem;
    color: var(--border);
    margin-bottom: 1rem;
}

/* ============================================
   SEARCH & FILTERS
   ============================================ */
.search-box {
    position: relative;
    max-width: 300px;
}

.search-box input {
    padding-left: 2.5rem;
    border-radius: 25px;
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

.filters-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    
    .admin-sidebar.show {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .admin-content {
        padding: 1rem;
    }
}

@media (max-width: 768px) {
    .stat-card {
        margin-bottom: 1rem;
    }
    
    .filters-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .table-admin {
        font-size: 0.85rem;
    }
    
    .table-admin thead th,
    .table-admin tbody td {
        padding: 0.75rem 0.5rem;
    }
}

/* ============================================
   MODAL
   ============================================ */
.modal-admin .modal-content {
    border: none;
    border-radius: 15px;
    box-shadow: 0 20px 60px var(--shadow-lg);
}

.modal-admin .modal-header {
    background: linear-gradient(135deg, var(--secondary), white);
    border-bottom: 1px solid var(--border);
    border-radius: 15px 15px 0 0;
    padding: 1.25rem 1.5rem;
}

.modal-admin .modal-title {
    font-weight: 600;
    color: var(--text);
}

.modal-admin .modal-body {
    padding: 1.5rem;
}

.modal-admin .modal-footer {
    border-top: 1px solid var(--border);
    padding: 1rem 1.5rem;
}

/* ============================================
   LOADING
   ============================================ */
.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}