/* Admin Panel Styles */

/* Layout */
.admin-wrapper {
    display: flex;
    min-height: 100vh;
    background-color: #f8f9fa;
}

/* Sidebar */
.admin-sidebar {
    width: 260px;
    background: linear-gradient(180deg, #1a1f2e 0%, #2d3748 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 1000;
}

.admin-sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.admin-logo img {
    max-width: 140px;
    height: auto;
    filter: brightness(0) invert(1);
}

.admin-badge {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Navigation */
.admin-nav {
    list-style: none;
    padding: 1rem 0;
    margin: 0;
    flex: 1;
    overflow-y: auto;
}

.admin-nav-item {
    margin: 0.25rem 0.75rem;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.admin-nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.admin-nav-link.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.admin-nav-link svg {
    flex-shrink: 0;
}

/* Expandable Nav with Submenu */
.admin-nav-item-expandable .admin-nav-link {
    justify-content: flex-start;
}

.admin-nav-arrow {
    margin-left: auto;
    transition: transform 0.2s ease;
    opacity: 0.6;
}

.admin-nav-item-expandable.expanded .admin-nav-arrow {
    transform: rotate(180deg);
}

.admin-nav-submenu {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.admin-nav-item-expandable.expanded .admin-nav-submenu {
    max-height: 200px;
}

.admin-nav-submenu li {
    margin: 0;
}

.admin-nav-sublink {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem 0.6rem 2.75rem;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.2s ease;
    border-radius: 6px;
    margin: 0.125rem 0.5rem;
}

.admin-nav-sublink:hover {
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.9);
}

.admin-nav-sublink.active {
    background: rgba(102, 126, 234, 0.3);
    color: #fff;
}

.admin-nav-sublink svg {
    flex-shrink: 0;
    opacity: 0.7;
}

/* Sidebar Footer */
.admin-sidebar-footer {
    padding: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.admin-user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    overflow: hidden;
}

.admin-user-info span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.admin-logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.6rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    border: none;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.admin-logout-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}

/* Main Content */
.admin-content {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.admin-header {
    background: #fff;
    padding: 1.25rem 2rem;
    border-bottom: 1px solid #e5e7eb;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    flex-shrink: 0;
}

.admin-page-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a1f2e;
}

.admin-body {
    padding: 1.5rem;
    flex: 1;
    overflow: auto;
    display: flex;
    flex-direction: column;
}

/* Full height page and card */
.admin-page {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
}

.admin-page > .admin-card {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

.admin-page > .admin-card > .admin-card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.admin-page .admin-grid-container {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.admin-page .admin-grid-container .k-grid {
    flex: 1;
    min-height: 0;
}

/* Cards */
.admin-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.admin-card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid #e5e7eb;
    background: #fafafa;
}

.admin-card-header h2 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: #1a1f2e;
}

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

/* Stat Cards */
.admin-stat-card {
    background: #fff;
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
}

.admin-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.admin-stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.admin-stat-icon.bg-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.admin-stat-icon.bg-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.admin-stat-icon.bg-info {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
}

.admin-stat-icon.bg-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.admin-stat-content {
    flex: 1;
    min-width: 0;
}

.admin-stat-value {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 700;
    color: #1a1f2e;
    line-height: 1.2;
}

.admin-stat-label {
    margin: 0.25rem 0 0;
    font-size: 0.85rem;
    color: #6b7280;
}

/* Login Page */
.admin-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1f2e 0%, #2d3748 100%);
    padding: 1rem;
}

.admin-login-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    max-width: 400px;
    width: 100%;
    overflow: hidden;
}

.admin-login-header {
    text-align: center;
    padding: 2rem 2rem 1rem;
    background: #fafafa;
    border-bottom: 1px solid #e5e7eb;
}

.admin-login-logo {
    max-width: 180px;
    height: auto;
    margin-bottom: 1rem;
}

.admin-login-header h1 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1f2e;
}

.admin-login-body {
    padding: 2rem;
    text-align: center;
}

.admin-login-body p {
    color: #6b7280;
    margin-bottom: 1.5rem;
}

.admin-login-body .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    padding: 0.875rem 1.5rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.admin-login-body .btn-primary:hover {
    background: linear-gradient(135deg, #5a6fd6 0%, #6a4190 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

/* Telerik Grid Customization */
.admin-grid-container {
    margin-top: 1rem;
}

.admin-grid-container .k-grid {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #e5e7eb;
}

.admin-grid-container .k-grid-header {
    background: #f9fafb;
}

.admin-grid-container .k-grid th {
    font-weight: 600;
    color: #374151;
    border-color: #e5e7eb;
}

.admin-grid-container .k-grid td {
    border-color: #e5e7eb;
    color: #4b5563;
}

.admin-grid-container .k-grid tr:hover {
    background-color: #f3f4f6;
}

.admin-grid-container .k-pager {
    background: #fafafa;
    border-top: 1px solid #e5e7eb;
}

.admin-grid-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.admin-grid-search {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-grid-search input {
    padding: 0.5rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    min-width: 250px;
}

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

.btn-admin-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-admin-primary:hover {
    background: linear-gradient(135deg, #5a6fd6 0%, #6a4190 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-admin-secondary {
    background: #fff;
    color: #374151;
    border: 1px solid #d1d5db;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-admin-secondary:hover {
    background: #f3f4f6;
    border-color: #9ca3af;
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.active {
    background: #d1fae5;
    color: #065f46;
}

.status-badge.inactive {
    background: #fee2e2;
    color: #991b1b;
}

/* Error Boundary Styles */
.admin-error-boundary {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    text-align: center;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin: 2rem;
}

.admin-error-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.admin-error-icon svg {
    width: 40px;
    height: 40px;
    color: #dc2626;
}

.admin-error-boundary h3 {
    color: #1a1f2e;
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.admin-error-boundary p {
    color: #6b7280;
    margin-bottom: 1.5rem;
    max-width: 400px;
}

.admin-error-details {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
    text-align: left;
    max-width: 600px;
    width: 100%;
    max-height: 200px;
    overflow: auto;
}

.admin-error-details pre {
    margin: 0;
    font-size: 0.75rem;
    color: #dc2626;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Loading overlay */
.admin-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.admin-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #e5e7eb;
    border-top-color: #667eea;
    border-radius: 50%;
    animation: admin-spin 0.8s linear infinite;
}

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

/* Toast notifications */
.admin-toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.admin-toast {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    animation: admin-toast-in 0.3s ease;
}

.admin-toast.error {
    border-left: 4px solid #dc2626;
}

.admin-toast.success {
    border-left: 4px solid #10b981;
}

.admin-toast.warning {
    border-left: 4px solid #f59e0b;
}

@keyframes admin-toast-in {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Link button in grid */
.btn-admin-link {
    background: transparent;
    color: #667eea;
    border: none;
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
    cursor: pointer;
    text-decoration: underline;
    transition: color 0.2s;
}

.btn-admin-link:hover {
    color: #764ba2;
}

/* Responsive */
@media (max-width: 991.98px) {
    .admin-sidebar {
        width: 220px;
    }

    .admin-content {
        margin-left: 220px;
    }

    .admin-body {
        padding: 1rem;
    }
}

@media (max-width: 767.98px) {
    .admin-sidebar {
        position: fixed;
        left: -260px;
        transition: left 0.3s ease;
    }

    .admin-sidebar.open {
        left: 0;
    }

    .admin-content {
        margin-left: 0;
    }

    .admin-header {
        padding: 1rem;
    }

    .admin-body {
        padding: 1rem;
    }
}