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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* Admin Login */
.admin-login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.admin-login-box {
    background: #fff;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 420px;
}

.admin-login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.admin-login-header h2 {
    color: #333;
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
}

.admin-login-header p {
    color: #666;
    font-size: 1.1rem;
}

.captcha-img {
    height: 40px;
    border-radius: 4px;
    cursor: pointer;
    border: 1px solid #d9d9d9;
}

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

.admin-header {
    background: #667eea;
    color: white;
    padding: 0 2rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.admin-logo h2 {
    color: white;
    margin: 0;
}

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

.admin-user a {
    color: #1890ff;
    text-decoration: none;
}

.admin-user a:hover {
    text-decoration: underline;
}

.admin-main {
    display: flex;
    flex: 1;
}

.admin-sidebar {
    width: 250px;
    background: #667eea;
    color: white;
    padding: 1.5rem 0;
}

.admin-nav h3 {
    color: #8c8c8c;
    padding: 0 1.5rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.admin-nav ul {
    list-style: none;
}

.admin-nav li {
    margin-bottom: 0.2rem;
}

.admin-nav a {
    display: block;
    padding: 0.8rem 1.5rem;
    color: #bfbfbf;
    text-decoration: none;
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

.admin-nav a:hover,
.admin-nav a.active {
    color: white;
    background: #764ba2;
    border-left-color: #9f7aea;
}

.admin-content {
    flex: 1;
    padding: 1rem;
    background: #f0f2f5;
    overflow-y: auto;
    overflow-x: hidden;
}

.admin-content-header {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.admin-content-header h1 {
    color: #333;
    margin-bottom: 0.5rem;
}

.admin-content-header p {
    color: #666;
    margin: 0;
}

/* Dashboard Styles */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f0f2f5;
    border-radius: 8px;
}

.stat-info h3 {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-weight: normal;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: bold;
    color: #333;
    margin: 0;
}

.dashboard-section {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
}

.dashboard-section h2 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.data-table th,
.data-table td {
    padding: 0.8rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.data-table th {
    background: #fafafa;
    font-weight: 500;
    color: #666;
}

.data-table tr:hover {
    background: #f5f5f5;
}

/* Admin Welcome */
.admin-welcome {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.admin-welcome h2 {
    color: #333;
    margin-bottom: 1rem;
}

.admin-welcome p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.quick-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

/* Form Styles */
.form-container {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #333;
}

.form-group label .required {
    color: #ff4d4f;
    margin-left: 4px;
}

.form-control {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    font-size: 1rem;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.2);
}

.form-control[readonly] {
    background-color: #f5f5f5;
    cursor: not-allowed;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    text-align: center;
}

.btn-primary {
    background-color: #667eea;
    color: white;
}

.btn-primary:hover {
    background-color: #5a6fd8;
}

.btn-secondary {
    background-color: #f0f0f0;
    color: #333;
}

.btn-secondary:hover {
    background-color: #e0e0e0;
}

.btn-danger {
    background-color: #ff4d4f;
    color: white;
}

.btn-danger:hover {
    background-color: #ff7875;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.9rem;
}

.form-actions {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* Role Checkbox Group */
.role-checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.checkbox-label:hover {
    border-color: #667eea;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
}

.checkbox-label input[type="checkbox"]:checked + span {
    color: #667eea;
    font-weight: 500;
}

/* Admin Toolbar */
.admin-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.admin-toolbar .btn {
    font-size: 1rem;
    padding: 0.6rem 1.2rem;
}

.search-form {
    display: flex;
    gap: 0.5rem;
}

.search-form input {
    padding: 0.6rem;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
}

.search-form .btn {
    font-size: 1rem;
    padding: 0.6rem 1.2rem;
}

/* Status Badges */
.status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-active {
    background-color: #f6ffed;
    color: #52c41a;
    border: 1px solid #b7eb8f;
}

.status-inactive {
    background-color: #fff1f0;
    color: #ff4d4f;
    border: 1px solid #ffccc7;
}

/* Responsive */
@media (max-width: 768px) {
    .admin-main {
        flex-direction: column;
    }
    
    .admin-sidebar {
        width: 100%;
        order: 2;
    }
    
    .admin-content {
        order: 1;
    }
    
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .quick-stats {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .admin-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-form {
        justify-content: stretch;
    }
    
    .search-form input {
        flex: 1;
    }
}