/* Admin Panel Styles */
:root {
    --admin-primary: #0066CC;
    --admin-dark: #004B99;
    --admin-light: #F5F7FA;
    --admin-sidebar: #1E293B;
    --admin-sidebar-hover: #334155;
    --admin-text: #0F172A;
    --admin-text-light: #64748B;
    --admin-border: #E2E8F0;
    --admin-success: #10B981;
    --admin-warning: #F59E0B;
    --admin-danger: #EF4444;
    --admin-info: #3B82F6;
}

/* Login Page */
.login-page {
    background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-dark) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.login-header {
    background: var(--admin-primary);
    color: white;
    padding: 40px 30px;
    text-align: center;
}

.login-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.login-header p {
    opacity: 0.9;
    font-size: 1rem;
}

.login-form {
    padding: 40px 30px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--admin-text);
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group label i {
    margin-right: 6px;
    color: var(--admin-primary);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="url"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--admin-border);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.checkbox-label {
    display: flex;
    align-items: center;
    font-weight: 400;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-right: 8px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--admin-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.3);
}

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

.btn-success:hover {
    background: #059669;
}

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

.btn-danger:hover {
    background: #DC2626;
}

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

.btn-secondary:hover {
    background: var(--admin-text);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.login-footer {
    padding: 20px 30px;
    text-align: center;
    border-top: 1px solid var(--admin-border);
}

.login-footer a {
    color: var(--admin-primary);
    text-decoration: none;
    font-weight: 600;
}

.login-footer a:hover {
    text-decoration: underline;
}

/* Admin Dashboard Layout */
.admin-layout {
    display: flex;
    min-height: 100vh;
    background: var(--admin-light);
}

/* Sidebar */
.admin-sidebar {
    width: 260px;
    background: var(--admin-sidebar);
    color: white;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: all 0.3s ease;
    z-index: 1000;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
    font-size: 1.3rem;
    margin-bottom: 4px;
}

.sidebar-header p {
    font-size: 0.85rem;
    opacity: 0.7;
}

.sidebar-user {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--admin-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
}

.user-info h4 {
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.user-info p {
    font-size: 0.8rem;
    opacity: 0.7;
}

.sidebar-menu {
    padding: 20px 0;
}

.sidebar-menu ul {
    list-style: none;
}

.sidebar-menu li {
    margin: 4px 0;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: var(--admin-sidebar-hover);
    color: white;
    padding-left: 28px;
}

.sidebar-menu i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

/* Main Content */
.admin-main {
    flex: 1;
    margin-left: 260px;
    transition: all 0.3s ease;
}

.admin-header {
    background: white;
    padding: 20px 30px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 999;
}

.admin-header h1 {
    font-size: 1.8rem;
    color: var(--admin-text);
}

.admin-header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.admin-content {
    padding: 30px;
}

/* Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
}

.stat-icon.primary {
    background: rgba(0, 102, 204, 0.1);
    color: var(--admin-primary);
}

.stat-icon.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--admin-success);
}

.stat-icon.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--admin-warning);
}

.stat-icon.danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--admin-danger);
}

.stat-info h3 {
    font-size: 0.85rem;
    color: var(--admin-text-light);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.stat-info p {
    font-size: 2rem;
    font-weight: 700;
    color: var(--admin-text);
}

/* Content Card */
.content-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    margin-bottom: 24px;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 1.4rem;
    color: var(--admin-text);
}

.card-body {
    padding: 24px;
}

/* Table */
.table-responsive {
    overflow-x: auto;
}

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

table thead {
    background: var(--admin-light);
}

table th {
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--admin-text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--admin-border);
}

table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--admin-border);
    color: var(--admin-text);
}

table tr:hover {
    background: var(--admin-light);
}

.table-actions {
    display: flex;
    gap: 8px;
}

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--admin-success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--admin-warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--admin-danger);
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--admin-info);
}

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert i {
    font-size: 1.2rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--admin-success);
    border-left: 4px solid var(--admin-success);
}

.alert-error,
.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--admin-danger);
    border-left: 4px solid var(--admin-danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--admin-warning);
    border-left: 4px solid var(--admin-warning);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--admin-info);
    border-left: 4px solid var(--admin-info);
}

/* Image Upload Preview */
.image-preview {
    margin-top: 12px;
    max-width: 300px;
}

.image-preview img {
    width: 100%;
    border-radius: 8px;
    border: 2px solid var(--admin-border);
}

/* Pagination */
.pagination {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 30px;
}

.pagination a,
.pagination span {
    padding: 8px 14px;
    border: 1px solid var(--admin-border);
    border-radius: 6px;
    color: var(--admin-text);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

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

/* Responsive */
@media (max-width: 1024px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    
    .admin-sidebar.active {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    .admin-content {
        padding: 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .card-body {
        padding: 16px;
    }
    
    .table-responsive {
        font-size: 0.9rem;
    }
}