:root {
    --primary-color: #4a6fa5;
    --secondary-color: #166088;
    --accent-color: #4fc3a1;
    --background-color: #f8f9fa;
    --text-color: #333;
    --light-gray: #e9ecef;
    --medium-gray: #dee2e6;
    --dark-gray: #6c757d;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --border-radius: 4px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    padding: 20px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

h1 {
    color: var(--secondary-color);
    margin-bottom: 20px;
    text-align: center;
}

h2 {
    color: var(--primary-color);
    margin: 20px 0 10px;
    font-size: 1.4rem;
}

h3 {
    color: var(--secondary-color);
    font-size: 1.1rem;
    margin-bottom: 10px;
}

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

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--secondary-color);
}

input[type="text"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: border-color 0.3s;
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

.file-input-container {
    position: relative;
    overflow: hidden;
    display: inline-block;
    width: 100%;
}

.file-input-label {
    display: block;
    padding: 12px 20px;
    background-color: var(--primary-color);
    color: white;
    border-radius: var(--border-radius);
    text-align: center;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s;
}

.file-input-label:hover {
    background-color: var(--secondary-color);
}

.file-input {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-name {
    margin-top: 8px;
    font-size: 14px;
    color: var(--dark-gray);
}

.checkboxes {
    margin-bottom: 20px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
}

.checkbox-group input[type="checkbox"] {
    margin-right: 10px;
}

button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    display: block;
    width: 100%;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #3da889;
}

button:disabled {
    background-color: var(--medium-gray);
    cursor: not-allowed;
}

.continue-button {
    background-color: var(--primary-color);
    margin-top: 15px;
}

.continue-button:hover {
    background-color: var(--secondary-color);
}

.new-button {
    background-color: var(--dark-gray);
    margin-top: 20px;
}

.new-button:hover {
    background-color: #5a6268;
}

.refresh-button {
    padding: 8px 16px;
    font-size: 14px;
    background-color: var(--primary-color);
    margin-bottom: 10px;
}

.use-document-btn {
    padding: 6px 12px;
    font-size: 12px;
    width: auto;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
    margin-right: 10px;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    display: none;
}

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

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

.workflow-steps {
    margin-bottom: 30px;
}

.step {
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    background-color: var(--light-gray);
}

.extraction-result {
    margin-top: 20px;
    padding: 15px;
    background-color: white;
    border: 1px solid var(--success-color);
    border-radius: var(--border-radius);
    display: none; /* Hidden by default */
}

.extraction-result p {
    margin-bottom: 10px;
    font-size: 14px;
}

.extraction-result span {
    font-weight: 600;
    color: var(--secondary-color);
}

.document-list-container {
    margin-top: 30px;
}

.document-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    margin-top: 10px;
}

.document-table th,
.document-table td {
    padding: 8px;
    text-align: left;
    border-bottom: 1px solid var(--medium-gray);
}

.document-table th {
    background-color: var(--primary-color);
    color: white;
}

.document-table tr:nth-child(even) {
    background-color: var(--light-gray);
}

.result-container {
    margin-top: 30px;
    display: none;
}

.result-options {
    display: flex;
    margin-bottom: 15px;
}

.view-option {
    padding: 8px 15px;
    background-color: var(--light-gray);
    cursor: pointer;
    margin-right: 10px;
    border-radius: var(--border-radius);
}

.view-option.active {
    background-color: var(--secondary-color);
    color: white;
}

.result-text {
    white-space: pre-wrap;
    background-color: var(--light-gray);
    padding: 20px;
    border-radius: var(--border-radius);
    max-height: 500px;
    overflow-y: auto;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

.result-json {
    white-space: pre-wrap;
    font-family: monospace;
    background-color: #282c34;
    color: #abb2bf;
    padding: 20px;
    border-radius: var(--border-radius);
    max-height: 500px;
    overflow-y: auto;
    display: none;
}

.token-group {
    margin-bottom: 20px;
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    padding: 15px;
    background-color: white;
}

.token-group h3 {
    margin-top: 0;
    margin-bottom: 10px;
    color: var(--secondary-color);
    font-size: 1.1rem;
}

.remember-token {
    margin-top: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 20px;
    }
    
    .step {
        padding: 15px;
    }
    
    .document-table {
        font-size: 12px;
    }
    
    .use-document-btn {
        padding: 4px 8px;
        font-size: 11px;
    }
}