:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --success: #10b981;
    --error: #ef4444;
    --background: #f8fafc;
    --card: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --text-secondary: #64748b;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1000px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.header {
    text-align: center;
    margin-bottom: 16px;
}

.header h1 {
    font-size: 2rem;
    margin-bottom: 8px;
    color: var(--text);
}

.header p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.card {
    background: var(--card);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 24px;
    border: 1px solid var(--border);
}

.info-banner {
    background-color: rgba(37, 99, 235, 0.1);
    border-left: 4px solid var(--primary);
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 24px;
}

.info-banner h3 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.upload-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.upload-area {
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 32px 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background-color: rgba(37, 99, 235, 0.02);
}

.upload-area:hover {
    border-color: var(--primary);
    background-color: rgba(37, 99, 235, 0.05);
}

.upload-area .icon {
    font-size: 40px;
    margin-bottom: 16px;
    color: var(--primary);
}

.upload-area h3 {
    margin-bottom: 8px;
    font-weight: 500;
}

.upload-area p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.file-input {
    display: none;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
    font-size: 16px;
    gap: 8px;
}

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

.btn:disabled {
    background-color: var(--text-secondary);
    cursor: not-allowed;
}

.btn-secondary {
    background-color: #f8fafc;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background-color: #f1f5f9;
}

.file-info {
    display: flex;
    align-items: center;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    margin-top: 16px;
    background-color: #f8fafc;
}

.file-info .file-icon {
    font-size: 24px;
    margin-right: 12px;
    color: var(--text-secondary);
}

.file-info .file-name {
    flex-grow: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-info .file-size {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-left: 12px;
}

.progress-container {
    margin-top: 24px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.progress-status {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.progress-bar-container {
    width: 100%;
    height: 8px;
    background-color: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 0;
    background-color: var(--primary);
    transition: width 0.2s;
    border-radius: 4px;
}

.progress-bar.animated {
    background: linear-gradient(90deg, var(--primary) 25%, var(--primary-hover) 50%, var(--primary) 75%);
    background-size: 200% 100%;
    animation: loading 2s infinite;
}

@keyframes loading {
    0% { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}

.error-message {
    color: var(--error);
    background-color: rgba(239, 68, 68, 0.1);
    padding: 12px 16px;
    border-radius: 6px;
    border-left: 4px solid var(--error);
    margin-top: 16px;
    display: none;
}

.results-container {
    display: none;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.results-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.results-actions {
    display: flex;
    gap: 12px;
}

.results-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background-color: #f8fafc;
    border-radius: 6px;
    margin-bottom: 16px;
}

.results-count {
    font-weight: 500;
}

.results-search {
    position: relative;
}

.results-search input {
    padding: 8px 12px 8px 36px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.875rem;
    width: 200px;
}

.results-search .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.table-container {
    overflow-x: auto;
    border-radius: 6px;
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead th {
    background-color: #f8fafc;
    text-align: left;
    padding: 12px 16px;
    font-weight: 500;
    border-bottom: 1px solid var(--border);
}

tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

tbody tr:last-child td {
    border-bottom: none;
}

tbody tr:hover {
    background-color: #f1f5f9;
}

.tooltip {
    position: relative;
    display: inline-block;
    cursor: help;
}

.tooltip-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    background-color: var(--text-secondary);
    color: white;
    border-radius: 50%;
    font-size: 12px;
    margin-left: 4px;
}

.tooltip-icon::after {
    content: "i";
}

.tooltip-text {
    visibility: hidden;
    width: 200px;
    background-color: #334155;
    color: white;
    text-align: center;
    border-radius: 4px;
    padding: 8px;
    position: fixed;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 12px;
    font-weight: normal;
}

.tooltip:hover .tooltip-text {
    opacity: 1;
    visibility: visible;
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

.footer {
    margin-top: auto;
    padding-top: 24px;
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.footer a {
    color: var(--text);
    text-decoration: none;
}

.footer-links {
    margin-top: 8px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .card {
        padding: 16px;
    }
    
    .results-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .results-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .results-search input {
        width: 100%;
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 100;
    overflow: auto;
}

.modal-content {
    position: relative;
    background-color: var(--card);
    margin: 10% auto;
    padding: 0;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    animation: modal-animation 0.3s ease;
}

@keyframes modal-animation {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.close-modal {
    font-size: 24px;
    font-weight: bold;
    color: var(--text-secondary);
    cursor: pointer;
}

.close-modal:hover {
    color: var(--text);
}

.modal-body {
    padding: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="number"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 16px;
}

.form-group input:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

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

.checkbox-group input[type="checkbox"] {
    margin-right: 8px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
}

/* Extract button in table row */
.extract-btn {
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 4px 8px;
    cursor: pointer;
    font-size: 0.875rem;
}

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

#customExtractCard {
    margin-top: 24px;
    display: none;
    text-align: center;
}

#customExtractCard h2 {
    margin-bottom: 8px;
}

#customExtractCard p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}