:root {
    --primary-color: #4a6bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.5;
}

.container {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.search-container {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    margin-bottom: 2rem;
}

.search-header {
    text-align: center;
    margin-bottom: 2rem;
}

.search-header h1 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 0.5rem;
}

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

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

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #495057;
}

.form-select,
.form-control {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    border: 1px solid #ced4da;
    border-radius: 4px;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-select:focus,
.form-control:focus {
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: #3a5bef;
    border-color: #3a5bef;
}

.result-container {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 2rem;
}

.result-item {
    padding: 1rem;
    border-bottom: 1px solid #eee;
}

.result-item:last-child {
    border-bottom: none;
}

.file-path {
    color: #007bff;
    cursor: pointer;
    word-break: break-all;
}

.file-path:hover {
    text-decoration: underline;
}

.badge {
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-weight: 500;
}

.loading-container {
    text-align: center;
    padding: 2rem;
}

.spinner-border {
    width: 3rem;
    height: 3rem;
    color: var(--primary-color);
}

.alert {
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: #6c757d;
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.error-message {
    color: var(--danger-color);
    font-weight: 500;
    margin-top: 0.5rem;
}

.search-history {
    margin-top: 1rem;
}

@media (max-width: 768px) {
    .container {
        margin: 1rem auto;
        padding: 0 0.5rem;
    }
    
    .search-container,
    .result-container {
        padding: 1rem;
    }
    
    .search-header h1 {
        font-size: 1.5rem;
    }
}