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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    overflow: hidden;
}

.header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 30px 40px;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.logo {
    font-size: 28px;
    font-weight: bold;
}

.nav-links a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
    padding: 8px 16px;
    border-radius: 6px;
    background: rgba(255,255,255,0.1);
    transition: background 0.3s;
}

.nav-links a:hover {
    background: rgba(255,255,255,0.2);
}

.subtitle {
    font-size: 16px;
    opacity: 0.9;
}

.main {
    padding: 40px;
}

.category {
    margin-bottom: 40px;
}

.category-title {
    font-size: 22px;
    color: #1e3c72;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #667eea;
    display: flex;
    align-items: center;
}

.category-icon {
    margin-right: 10px;
    font-size: 24px;
}

.websites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px;
}

.website-card {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 15px;
    text-decoration: none;
    color: #333;
    display: block;
    transition: all 0.3s;
}

.website-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-color: #667eea;
}

.website-name {
    font-weight: 600;
    font-size: 16px;
    color: #1e3c72;
    margin-bottom: 5px;
}

.website-desc {
    font-size: 13px;
    color: #666;
    line-height: 1.4;
}

.admin-section {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 25px;
}

.admin-section h2 {
    color: #1e3c72;
    margin-bottom: 20px;
}

.admin-section h3 {
    color: #333;
    margin: 15px 0;
    font-size: 16px;
}

.form {
    background: white;
    padding: 20px;
    border-radius: 6px;
}

.form-row {
    margin-bottom: 15px;
}

.form-row label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #555;
}

.form-row input,
.form-row select,
.form-row textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
    outline: none;
    border-color: #667eea;
}

.btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.3s;
}

.btn:hover {
    background: #5a6fd6;
}

.btn-primary {
    background: #28a745;
}

.btn-primary:hover {
    background: #218838;
}

.btn-small {
    padding: 5px 12px;
    font-size: 12px;
}

.btn-danger {
    background: #dc3545;
}

.btn-danger:hover {
    background: #c82333;
}

.table-wrapper {
    overflow-x: auto;
    margin-bottom: 20px;
}

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

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
}

.table th {
    background: #1e3c72;
    color: white;
    font-weight: 500;
}

.table tr:hover {
    background: #f8f9fa;
}

.link {
    color: #667eea;
    text-decoration: none;
}

.link:hover {
    text-decoration: underline;
}

.filter-bar {
    margin-bottom: 15px;
}

.filter-bar label {
    margin-right: 10px;
    font-weight: 500;
}

.message {
    padding: 12px 20px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 8px;
    max-width: 500px;
    width: 90%;
    position: relative;
}

.close {
    position: absolute;
    right: 15px;
    top: 15px;
    font-size: 28px;
    cursor: pointer;
    color: #999;
}

.close:hover {
    color: #333;
}

.form-group {
    margin-bottom: 20px;
}

.form-desc {
    color: #666;
    margin-bottom: 15px;
    font-size: 14px;
}

.footer {
    background: #f8f9fa;
    padding: 20px 40px;
    text-align: center;
    color: #666;
    font-size: 14px;
}