static/styles.css

:root {
    --primary-color: #0d6efd;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #0dcaf0;
}

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

body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
}

/* Modal Styles */
.modal {
    display: flex;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    width: 90%;
    max-width: 400px;
}

.modal-content h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

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

.header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 12px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info span {
    font-weight: 500;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-color), #0b5ed7);
    color: white;
    border-radius: 0.5rem;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.stat-card h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-card p {
    margin-bottom: 0;
    opacity: 0.9;
}

.tabs {
    display: flex;
    margin-bottom: 2rem;
    background: var(--card-bg);
    border-radius: 12px;
    padding: 0.5rem;
    box-shadow: 0 2px 4px -1px rgba(0, 0, 0, 0.1);
}

.tab-button {
    flex: 1;
    padding: 1rem;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.tab-button.active {
    background: var(--primary-color);
    color: white;
}

.tab-content {
    display: none;
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.tab-content.active {
    display: block;
}

/* File Upload Styling */
.file-upload {
    border: 2px dashed #dee2e6 !important;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: #f8f9fa;
}

.file-upload:hover {
    border-color: var(--primary-color) !important;
    background-color: #e3f2fd;
}

.file-upload.dragover {
    border-color: var(--primary-color) !important;
    background-color: #e3f2fd;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Button Styles */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

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

.btn-secondary {
    background: var(--text-secondary);
    color: white;
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-danger {
    background: var(--error-color);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

/* Result Boxes */
.result-box {
    padding: 1rem;
    border-radius: 0.375rem;
    font-family: 'Courier New', monospace;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.result-success {
    background-color: #d1e7dd;
    border: 1px solid #badbcc;
    color: #0f5132;
}

.result-error {
    background-color: #f8d7da;
    border: 1px solid #f5c2c7;
    color: #842029;
}

.result-warning {
    background-color: #fff3cd;
    border: 1px solid #ffecb5;
    color: #664d03;
}

.result-info {
    background-color: #cff4fc;
    border: 1px solid #b6effb;
    color: #055160;
}

/* Document Cards */
.document-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1rem;
}

.document-card {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
    padding: 1rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: box-shadow 0.15s ease-in-out;
}

.document-card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* Category Buttons */
.category-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.category-btn {
    padding: 0.375rem 0.75rem;
    border: 1px solid #dee2e6;
    border-radius: 1.5rem;
    background-color: white;
    color: #6c757d;
    cursor: pointer;
    transition: all 0.15s ease-in-out;
    text-decoration: none;
}

.category-btn:hover,
.category-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Loading Spinner */
.loading {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 0.5rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* OCR Text Display */
.ocr-text {
    max-height: 300px;
    overflow-y: auto;
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 0.375rem;
    border: 1px solid #dee2e6;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Similarity Badges */
.similarity-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
}

.similarity-high {
    background-color: #d1e7dd;
    color: #0f5132;
}

.similarity-medium {
    background-color: #fff3cd;
    color: #664d03;
}

.similarity-low {
    background-color: #f8d7da;
    color: #842029;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .header-content {
        text-align: center;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .tabs {
        flex-direction: column;
    }
    
    .tab-button {
        text-align: center;
    }
    
    .document-grid {
        grid-template-columns: 1fr;
    }
    
    .category-buttons {
        justify-content: center;
    }
    
    .navbar-brand {
        font-size: 1rem;
    }
}

/* Custom scrollbar */
.ocr-text::-webkit-scrollbar {
    width: 8px;
}

.ocr-text::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.ocr-text::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.ocr-text::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}