body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.upload-container {
    margin-bottom: 2rem;
}

.upload-area {
    border: 3px dashed #007bff;
    border-radius: 10px;
    padding: 3rem 2rem;
    text-align: center;
    background-color: #f8f9fa;
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover {
    border-color: #0056b3;
    background-color: #e3f2fd;
}

.upload-area.dragover {
    border-color: #0056b3;
    background-color: #e3f2fd;
    transform: scale(1.02);
}

.upload-content {
    color: #6c757d;
}

.upload-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.upload-content h4 {
    color: #495057;
    margin-bottom: 0.5rem;
}

.upload-content p {
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.status-container,
.results-container,
.page-selection-container {
    margin-top: 2rem;
}

/* File info display */
.file-info-display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-label {
    font-weight: 600;
    color: #6c757d;
    font-size: 0.9rem;
}

.info-value {
    background-color: #e9ecef;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.85rem;
    color: #495057;
    border: 1px solid #ced4da;
}

/* Page selection styles */
.pages-input-container {
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 1rem;
    background-color: #f8f9fa;
}

.pages-display {
    min-height: 60px;
    background-color: white;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    padding: 0.75rem;
    margin-bottom: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.placeholder-text {
    color: #6c757d;
    font-style: italic;
}

.page-tag {
    background-color: #007bff;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.page-tag .remove-page {
    cursor: pointer;
    font-weight: bold;
    opacity: 0.8;
}

.page-tag .remove-page:hover {
    opacity: 1;
    color: #ffc107;
}

.pages-summary {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pages-count {
    font-weight: 600;
    color: #495057;
}

.pages-ranges {
    font-family: 'Courier New', monospace;
    color: #007bff;
    background-color: #f8f9fa;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    border: 1px solid #dee2e6;
}

.all-pages-view {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.all-pages-view .page-tag {
    margin-right: 0.25rem;
    margin-bottom: 0.25rem;
}

.button-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.badge {
    font-size: 0.8rem;
}

.badge.queued { background-color: #6c757d; }
.badge.processing { background-color: #ffc107; }
.badge.completed { background-color: #198754; }
.badge.failed { background-color: #dc3545; }
.badge.cancelled { background-color: #fd7e14; }

/* Available pages display */
.available-pages-display {
    padding: 0.75rem;
    background-color: #e7f5ff;
    border: 1px solid #74c0fc;
    border-radius: 6px;
}

.available-pages-display strong {
    color: #1971c2;
}

.available-pages-display .btn {
    font-size: 0.8rem;
    padding: 0.25rem 0.75rem;
}

.task-actions {
    display: none;
    text-align: center;
    border-top: 1px solid #dee2e6;
    padding-top: 1rem;
}

.task-actions .btn {
    transition: all 0.2s ease;
}

.task-actions .btn:hover {
    transform: translateY(-1px);
}

.results-json {
    background-color: #0d1117;
    border: 1px solid #30363d;
    border-radius: 8px;
    padding: 1.5rem;
    max-height: 500px;
    overflow-y: auto;
    font-family: 'Fira Code', 'JetBrains Mono', 'Monaco', 'Consolas', 'Ubuntu Mono', 'Liberation Mono', 'Courier New', monospace;
    font-size: 0.9rem;
    white-space: pre-wrap;
    margin: 0;
    color: #c9d1d9;
    line-height: 1.6;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.3);
    position: relative;
}

/* Terminal scrollbar */
.results-json::-webkit-scrollbar {
    width: 8px;
}

.results-json::-webkit-scrollbar-track {
    background: #161b22;
    border-radius: 4px;
}

.results-json::-webkit-scrollbar-thumb {
    background: #30363d;
    border-radius: 4px;
}

.results-json::-webkit-scrollbar-thumb:hover {
    background: #484f58;
}

.progress {
    height: 10px;
    border-radius: 5px;
}

.card {
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border-radius: 10px;
}

.btn {
    border-radius: 5px;
}

/* Terminal-style buttons for results */
.results-container .btn {
    background-color: #21262d;
    border: 1px solid #30363d;
    color: #c9d1d9;
    font-family: 'Fira Code', 'JetBrains Mono', 'Monaco', 'Consolas', monospace;
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
}

.results-container .btn:hover {
    background-color: #30363d;
    border-color: #484f58;
    color: #58a6ff;
    transform: translateY(-1px);
}

.results-container .btn-outline-primary {
    border-color: #58a6ff;
    color: #58a6ff;
}

.results-container .btn-outline-primary:hover {
    background-color: #58a6ff;
    color: #0d1117;
}

.results-container .btn-outline-secondary {
    border-color: #7d8590;
    color: #7d8590;
}

/* Terminal-style results card */
.results-container .card {
    background-color: #0d1117;
    border: 1px solid #30363d;
}

.results-container .card-header {
    background-color: #161b22;
    border-bottom: 1px solid #30363d;
    color: #c9d1d9;
}

.results-container .card-body {
    background-color: #0d1117;
    padding: 0;
}

@media (max-width: 768px) {
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-icon {
        font-size: 3rem;
    }
    
    .file-info-display {
        grid-template-columns: 1fr;
    }
    
    .button-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .pages-display {
        min-height: 80px;
    }
    
    /* Make results buttons stack vertically on mobile */
    .results-container .card-header {
        flex-direction: column;
        gap: 1rem;
    }
    
    .results-container .card-header > div {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        width: 100%;
    }
    
    .results-container .btn-sm {
        flex: 1;
        min-width: fit-content;
    }
}