body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
    min-height: 100vh;
}

.main-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 2rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.main-header h1 {
    margin: 0 0 1rem 0;
    font-size: 1.8rem;
    font-weight: 600;
}

.main-nav {
    display: flex;
    gap: 1rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
    color: white;
    background: rgba(255, 255, 255, 0.2);
}

.upload-section {
    padding: 2rem;
}

.container {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
}

input[type="text"], input[type="file"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    box-sizing: border-box;
}

input[type="text"]:focus, input[type="file"]:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

button {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    background-color: #007bff;
    color: white;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: background-color 0.2s;
}

button:hover {
    background-color: #0056b3;
}

button:disabled {
    background-color: #6c757d;
    cursor: not-allowed;
}

.search-container {
    margin-top: 2rem;
}

#searchSection {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #eee;
}

#results {
    margin-top: 1rem;
    padding: 1rem;
    border: 1px solid #eee;
    border-radius: 4px;
    min-height: 50px;
    background-color: #fafafa;
}

.toggle-content {
    margin-left: 1rem;
    padding: 0.25rem 0.5rem;
    font-size: 12px;
    background-color: #28a745;
}

.toggle-content:hover {
    background-color: #218838;
}

.content {
    margin-top: 0.5rem;
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: 4px;
    border-left: 4px solid #007bff;
}

#uploadMessage, #workspaceMessage, #overallStatus {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 4px;
    font-weight: 500;
}

#uploadMessage {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

#workspaceMessage {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

#overallStatus {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

h1 {
    color: #333;
    margin-bottom: 1.5rem;
    text-align: center;
}

h2 {
    color: #555;
    margin-bottom: 1rem;
}