/* Admin Panel Styles */
:root {
    --sidebar-width: 250px;
    --header-height: 60px;
}

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

/* Sidebar */
.admin-sidebar {
    width: var(--sidebar-width);
    background: var(--primary);
    color: var(--white);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 100;
    transition: transform 0.3s ease;
}

.admin-sidebar.collapsed {
    transform: translateX(-100%);
}

.sidebar-header {
    padding: 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header .logo {
    color: var(--white);
}

.sidebar-header .logo-text {
    color: var(--white);
}

.sidebar-nav {
    padding: 1rem 0;
}

.sidebar-nav-item {
    display: block;
}

.sidebar-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

.sidebar-nav-link:hover,
.sidebar-nav-link.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.sidebar-nav-link svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.sidebar-nav-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 0.5rem 0;
}

.sidebar-subnav {
    background: rgba(0, 0, 0, 0.1);
    display: none;
}

.sidebar-nav-item.open .sidebar-subnav {
    display: block;
}

.sidebar-subnav a {
    padding-left: 3rem;
    font-size: 0.875rem;
}

/* Main Content */
.admin-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    background: var(--gray-50);
}

/* Admin Header */
.admin-header {
    height: var(--header-height);
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 50;
}

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

.sidebar-toggle {
    display: none;
    padding: 0.5rem;
    cursor: pointer;
}

.sidebar-toggle svg {
    width: 24px;
    height: 24px;
}

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

.admin-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.admin-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

/* Admin Content */
.admin-content {
    padding: 1.5rem;
}

.admin-page-header {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.admin-page-title {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.admin-page-subtitle {
    color: var(--gray-500);
    font-size: 0.875rem;
}

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

.admin-page-actions .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* Dashboard Cards */
.dashboard-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    margin-bottom: 2rem;
}

.dashboard-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.dashboard-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.dashboard-card-title {
    font-size: 0.875rem;
    color: var(--gray-500);
    font-weight: 500;
}

.dashboard-card-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.dashboard-card-icon svg {
    width: 20px;
    height: 20px;
    fill: var(--white);
}

.dashboard-card-icon.blue { background: var(--primary); }
.dashboard-card-icon.green { background: var(--success); }
.dashboard-card-icon.orange { background: var(--warning); }
.dashboard-card-icon.red { background: var(--error); }

.dashboard-card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
}

/* Admin Tables */
.admin-table-wrap {
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.admin-table-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.admin-table-title {
    font-size: 1.125rem;
    font-weight: 600;
}

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

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

.admin-table th,
.admin-table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.admin-table th {
    background: var(--gray-50);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-500);
}

.admin-table tbody tr:hover {
    background: var(--gray-50);
}

.admin-table td {
    font-size: 0.9375rem;
}

/* Status Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

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

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

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

.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

/* Action Buttons */
.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-icon {
    padding: 0.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon svg {
    width: 16px;
    height: 16px;
}

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

.btn-danger:hover {
    background: #dc2626;
    color: var(--white);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
}

.btn-outline:hover {
    background: var(--gray-100);
}

/* Forms */
.admin-form {
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
}

.admin-form .form-group {
    margin-bottom: 1.25rem;
}

.admin-form label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--gray-700);
}

.admin-form input,
.admin-form select,
.admin-form textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    transition: var(--transition-fast);
}

.admin-form input:focus,
.admin-form select:focus,
.admin-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(10, 30, 94, 0.1);
}

.admin-form textarea {
    min-height: 200px;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

/* File Upload */
.file-upload {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.file-upload:hover {
    border-color: var(--primary);
    background: var(--gray-50);
}

.file-upload input {
    display: none;
}

.file-upload-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    fill: var(--gray-400);
}

.file-upload-text {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.file-preview {
    margin-top: 1rem;
}

.file-preview img {
    max-width: 200px;
    border-radius: var(--radius-sm);
}

/* Stats Row */
.admin-stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Source Badges */
.badge-hero {
    background: #dbeafe;
    color: #1e40af;
}

.badge-sidebar {
    background: #fef3c7;
    color: #92400e;
}

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

/* Empty State */
.empty-state {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 3rem;
    text-align: center;
    color: var(--gray-500);
}

/* Responsive */
@media (max-width: 991px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    
    .admin-sidebar.open {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 99;
    }
    
    .sidebar-overlay.active {
        display: block;
    }
}

@media (max-width: 767px) {
    .admin-table-wrap {
        overflow-x: auto;
    }
    
    .admin-table {
        min-width: 600px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    padding: 1rem;
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 2rem;
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo .logo {
    justify-content: center;
}

.login-title {
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-form .form-group {
    margin-bottom: 1rem;
}

.login-form .btn {
    width: 100%;
    margin-top: 0.5rem;
}