/* Enhanced Admin Panel Styling */

/* Variables */
:root {
    --admin-primary: #3b82f6;
    --admin-primary-dark: #2563eb;
    --admin-primary-light: #60a5fa;
    --admin-secondary: #8b5cf6;
    --admin-success: #10b981;
    --admin-danger: #ef4444;
    --admin-warning: #f59e0b;
    --admin-info: #06b6d4;
    --admin-dark: #1f2937;
    --admin-gray-dark: #374151;
    --admin-gray: #6b7280;
    --admin-gray-light: #e5e7eb;
    --admin-gray-lighter: #f3f4f6;
    --admin-white: #ffffff;
    --admin-sidebar-bg: #111827;
    --admin-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --admin-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --admin-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --admin-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Typography */
.admin-layout {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif;
    color: var(--admin-dark);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Admin Header Enhanced */
.admin-header {
    background-color: var(--admin-white);
    border-bottom: 1px solid var(--admin-gray-light);
    box-shadow: var(--admin-shadow-sm);
    height: 64px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 30;
}

.admin-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 1.5rem;
    max-width: 100%;
}

.admin-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--admin-dark);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

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

/* Admin Sidebar Enhanced */
.admin-sidebar {
    width: 280px;
    background-color: var(--admin-sidebar-bg);
    height: calc(100vh - 64px);
    position: fixed;
    left: 0;
    top: 64px;
    overflow-y: auto;
    transition: transform 0.3s ease;
    z-index: 20;
}

.admin-sidebar::-webkit-scrollbar {
    width: 6px;
}

.admin-sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

.admin-sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.admin-sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.admin-nav {
    padding: 1.5rem 0;
}

.admin-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.admin-nav-item {
    margin-bottom: 0.25rem;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    color: #d1d5db;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    position: relative;
}

.admin-nav-link i {
    margin-right: 0.75rem;
    font-size: 1.125rem;
    width: 20px;
    text-align: center;
    color: #9ca3af;
}

.admin-nav-link:hover {
    background-color: rgba(55, 65, 81, 0.5);
    color: var(--admin-white);
    padding-left: 1.75rem;
}

.admin-nav-link:hover i {
    color: var(--admin-white);
}

.admin-nav-link.active {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--admin-primary-light);
}

.admin-nav-link.active i {
    color: var(--admin-primary-light);
}

.admin-nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: var(--admin-primary);
}

/* Admin Main Content */
.admin-main {
    margin-left: 280px;
    padding-top: 64px;
    min-height: 100vh;
    background-color: var(--admin-gray-lighter);
}

.admin-content {
    padding: 2rem;
    max-width: 1600px;
    margin: 0 auto;
}

/* Page Header Enhanced */
.admin-page-header {
    background-color: var(--admin-white);
    border-radius: 0.75rem;
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--admin-shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-page-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--admin-dark);
    margin: 0;
    letter-spacing: -0.025em;
}

.admin-page-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Enhanced Card Design */
.admin-card {
    background-color: var(--admin-white);
    border-radius: 0.75rem;
    box-shadow: var(--admin-shadow);
    margin-bottom: 2rem;
    overflow: hidden;
    border: 1px solid var(--admin-gray-light);
}

.admin-card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--admin-gray-light);
    background-color: var(--admin-gray-lighter);
}

.admin-card-header h3 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--admin-dark);
}

.admin-card-body {
    padding: 0;
}

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

/* Enhanced Table Design */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

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

.admin-table thead {
    background-color: var(--admin-gray-lighter);
}

.admin-table thead th {
    padding: 1rem 1.5rem;
    text-align: left;
    font-weight: 600;
    color: var(--admin-gray-dark);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--admin-gray-light);
}

.admin-table tbody td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--admin-gray-light);
    color: var(--admin-dark);
    font-size: 0.875rem;
}

.admin-table tbody tr:hover {
    background-color: var(--admin-gray-lighter);
}

.admin-table tbody tr:last-child td {
    border-bottom: none;
}

/* Enhanced Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-weight: 500;
    font-size: 0.875rem;
    line-height: 1.25rem;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn:focus {
    outline: 2px solid transparent;
    outline-offset: 2px;
}

.btn:focus-visible {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.5);
}

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

.btn-primary:hover {
    background-color: var(--admin-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--admin-shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--admin-shadow);
}

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

.btn-success:hover {
    background-color: #059669;
    transform: translateY(-1px);
    box-shadow: var(--admin-shadow-md);
}

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

.btn-danger:hover {
    background-color: #dc2626;
    transform: translateY(-1px);
    box-shadow: var(--admin-shadow-md);
}

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

.btn-warning:hover {
    background-color: #d97706;
    transform: translateY(-1px);
    box-shadow: var(--admin-shadow-md);
}

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

.btn-info:hover {
    background-color: #0891b2;
    transform: translateY(-1px);
    box-shadow: var(--admin-shadow-md);
}

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

.btn-secondary:hover {
    background-color: var(--admin-gray-dark);
    transform: translateY(-1px);
    box-shadow: var(--admin-shadow-md);
}

.btn-outline-primary {
    background-color: transparent;
    color: var(--admin-primary);
    border: 1px solid var(--admin-primary);
}

.btn-outline-primary:hover {
    background-color: var(--admin-primary);
    color: var(--admin-white);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: 0.813rem;
}

.btn i {
    font-size: 1rem;
}

/* Enhanced Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1050;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    outline: 0;
}

.modal.show {
    display: block;
}

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1040;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.15s ease;
}

.modal-dialog {
    position: relative;
    width: auto;
    max-width: 600px;
    margin: 2rem auto;
    pointer-events: none;
}

.modal.show .modal-dialog {
    animation: slideDown 0.3s ease;
    pointer-events: auto;
}

.modal-dialog-centered {
    display: flex;
    align-items: center;
    min-height: calc(100% - 4rem);
}

.modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    pointer-events: auto;
    background-color: var(--admin-white);
    background-clip: padding-box;
    border: none;
    border-radius: 0.75rem;
    outline: 0;
    box-shadow: var(--admin-shadow-lg);
}

.modal-header {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--admin-gray-light);
    border-radius: 0.75rem 0.75rem 0 0;
}

.modal-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--admin-dark);
    letter-spacing: -0.025em;
}

.modal-body {
    position: relative;
    flex: 1 1 auto;
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    flex-wrap: wrap;
    flex-shrink: 0;
    align-items: center;
    justify-content: flex-end;
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--admin-gray-light);
    border-radius: 0 0 0.75rem 0.75rem;
    gap: 0.75rem;
}

.btn-close {
    background: transparent;
    border: none;
    width: 2rem;
    height: 2rem;
    padding: 0;
    color: var(--admin-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 0.375rem;
    transition: all 0.15s ease;
}

.btn-close:hover {
    color: var(--admin-dark);
    background-color: var(--admin-gray-light);
}

.btn-close::before {
    content: '×';
    font-size: 1.5rem;
    line-height: 0.75;
}

/* Enhanced Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--admin-gray-dark);
}

.form-control,
.form-select {
    display: block;
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--admin-dark);
    background-color: var(--admin-white);
    background-clip: padding-box;
    border: 1px solid var(--admin-gray-light);
    border-radius: 0.5rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus,
.form-select:focus {
    color: var(--admin-dark);
    background-color: var(--admin-white);
    border-color: var(--admin-primary);
    outline: 0;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-control::placeholder {
    color: var(--admin-gray);
}

.form-check {
    display: flex;
    align-items: center;
    min-height: 1.5rem;
    padding-left: 1.5em;
    margin-bottom: 0.75rem;
}

.form-check-input {
    width: 1rem;
    height: 1rem;
    margin-top: 0;
    margin-left: -1.5em;
    vertical-align: middle;
    background-color: var(--admin-white);
    border: 1px solid var(--admin-gray-light);
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all 0.15s ease;
}

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

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-check-label {
    margin-left: 0.5rem;
    font-size: 0.875rem;
    color: var(--admin-dark);
    cursor: pointer;
}

/* Enhanced Badge Styles */
.badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 0.375rem;
    letter-spacing: 0.025em;
}

.bg-primary {
    background-color: var(--admin-primary) !important;
    color: var(--admin-white);
}

.bg-success {
    background-color: var(--admin-success) !important;
    color: var(--admin-white);
}

.bg-danger {
    background-color: var(--admin-danger) !important;
    color: var(--admin-white);
}

.bg-warning {
    background-color: var(--admin-warning) !important;
    color: var(--admin-white);
}

.bg-info {
    background-color: var(--admin-info) !important;
    color: var(--admin-white);
}

.bg-secondary {
    background-color: var(--admin-gray) !important;
    color: var(--admin-white);
}

/* Product Image in Table */
.product-image {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: 0.5rem;
    border: 1px solid var(--admin-gray-light);
}

/* Filter Toolbar */
.filter-toolbar {
    padding: 1.5rem;
    background-color: var(--admin-gray-lighter);
    border-bottom: 1px solid var(--admin-gray-light);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideDown {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Loading Spinner */
.spinner-border {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    vertical-align: text-bottom;
    border: 0.25em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.2em;
}

@keyframes spinner-border {
    to { transform: rotate(360deg); }
}

/* Pagination Enhanced */
.pagination {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 0.25rem;
}

.page-item {
    margin: 0;
}

.page-link {
    position: relative;
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--admin-primary);
    text-decoration: none;
    background-color: var(--admin-white);
    border: 1px solid var(--admin-gray-light);
    border-radius: 0.5rem;
    transition: all 0.15s ease;
    font-size: 0.875rem;
    font-weight: 500;
}

.page-link:hover {
    color: var(--admin-primary-dark);
    background-color: var(--admin-gray-lighter);
    border-color: var(--admin-gray-light);
    transform: translateY(-1px);
}

.page-item.active .page-link {
    color: var(--admin-white);
    background-color: var(--admin-primary);
    border-color: var(--admin-primary);
}

.page-item.disabled .page-link {
    color: var(--admin-gray);
    pointer-events: none;
    cursor: auto;
    background-color: var(--admin-gray-lighter);
    border-color: var(--admin-gray-light);
}

/* Switch/Toggle Enhanced */
.form-switch {
    padding-left: 2.5em;
}

.form-switch .form-check-input {
    width: 2em;
    height: 1em;
    margin-left: -2.5em;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='rgba(255, 255, 255, 1.0)'/%3e%3c/svg%3e");
    background-position: left center;
    border-radius: 2em;
    transition: background-position 0.15s ease-in-out;
}

.form-switch .form-check-input:checked {
    background-position: right center;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='rgba(255, 255, 255, 1.0)'/%3e%3c/svg%3e");
}

/* Dropdown Enhanced */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1000;
    display: none;
    min-width: 12rem;
    padding: 0.5rem 0;
    margin: 0.125rem 0 0;
    font-size: 0.875rem;
    color: var(--admin-dark);
    text-align: left;
    list-style: none;
    background-color: var(--admin-white);
    background-clip: padding-box;
    border: 1px solid var(--admin-gray-light);
    border-radius: 0.5rem;
    box-shadow: var(--admin-shadow-lg);
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: 0.5rem 1rem;
    clear: both;
    font-weight: 400;
    color: var(--admin-dark);
    text-align: inherit;
    text-decoration: none;
    white-space: nowrap;
    background-color: transparent;
    border: 0;
    transition: all 0.15s ease;
}

.dropdown-item:hover {
    color: var(--admin-dark);
    background-color: var(--admin-gray-lighter);
}

.dropdown-divider {
    height: 0;
    margin: 0.5rem 0;
    overflow: hidden;
    border-top: 1px solid var(--admin-gray-light);
}

/* Utility Classes */
.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.shadow-sm {
    box-shadow: var(--admin-shadow-sm) !important;
}

.shadow {
    box-shadow: var(--admin-shadow) !important;
}

.shadow-md {
    box-shadow: var(--admin-shadow-md) !important;
}

.shadow-lg {
    box-shadow: var(--admin-shadow-lg) !important;
}

/* Responsive Improvements */
@media (max-width: 1024px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    
    .admin-sidebar.show {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .admin-content {
        padding: 1.5rem;
    }
}

@media (max-width: 768px) {
    .admin-content {
        padding: 1rem;
    }
    
    .modal-dialog {
        max-width: calc(100% - 2rem);
        margin: 1rem;
    }
    
    .admin-page-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .admin-table {
        font-size: 0.813rem;
    }
    
    .admin-table thead th,
    .admin-table tbody td {
        padding: 0.75rem 1rem;
    }
}

/* Dark Mode Support (Optional) */
@media (prefers-color-scheme: dark) {
    .admin-layout.dark-mode {
        /* Add dark mode styles here if needed */
    }
}

/* Custom Scrollbar for Main Content */
.admin-main::-webkit-scrollbar {
    width: 8px;
}

.admin-main::-webkit-scrollbar-track {
    background: var(--admin-gray-lighter);
}

.admin-main::-webkit-scrollbar-thumb {
    background: var(--admin-gray);
    border-radius: 4px;
}

.admin-main::-webkit-scrollbar-thumb:hover {
    background: var(--admin-gray-dark);
}

/* Status Indicators */
.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.status-dot.active {
    background-color: var(--admin-success);
}

.status-dot.inactive {
    background-color: var(--admin-danger);
}

.status-dot.pending {
    background-color: var(--admin-warning);
}

/* Action Button Groups */
.action-buttons {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* Dashboard Cards */
.dashboard-card {
    background-color: var(--admin-white);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--admin-shadow);
    border: 1px solid var(--admin-gray-light);
    position: relative;
    overflow: hidden;
}

.dashboard-card-icon {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    font-size: 1.5rem;
}

.dashboard-card-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--admin-gray);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.dashboard-card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--admin-dark);
    margin-bottom: 0.5rem;
}

.dashboard-card-trend {
    font-size: 0.875rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.dashboard-card-trend.up {
    color: var(--admin-success);
}

.dashboard-card-trend.down {
    color: var(--admin-danger);
}