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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.2em;
    opacity: 0.9;
}

.search-panel, .results-panel {
    background: white;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.search-panel h2, .results-panel h2 {
    color: #667eea;
    margin-bottom: 20px;
    font-size: 1.5em;
}

.search-form {
    margin-top: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #555;
}

.form-group select {
    padding: 10px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group select:focus {
    outline: none;
    border-color: #667eea;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background: #5568d3;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

.results-count {
    margin-bottom: 20px;
    font-weight: 600;
    color: #667eea;
}

.documents-list {
    display: grid;
    gap: 15px;
}

.document-card {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 20px;
    transition: all 0.3s;
    cursor: pointer;
}

.document-card:hover {
    border-color: #667eea;
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.2);
    transform: translateY(-2px);
}

.document-card h3 {
    color: #667eea;
    margin-bottom: 10px;
}

.document-card .meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 10px;
    font-size: 0.9em;
    color: #666;
}

.document-card .meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: #999;
    font-style: italic;
}

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.85em;
    font-weight: 600;
}

.status-действующий {
    background: #d4edda;
    color: #155724;
}

.status-утративший-силу {
    background: #f8d7da;
    color: #721c24;
}

.status-проект {
    background: #fff3cd;
    color: #856404;
}

.back-link {
    color: #667eea;
    text-decoration: none;
    display: inline-block;
    margin-bottom: 20px;
    font-weight: 600;
    transition: color 0.3s;
}

.back-link:hover {
    color: #5568d3;
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    header h1 {
        font-size: 1.8em;
    }
}