/* Custom styles for PDF Structure Inspector */

:root {
    --primary-color: #0066cc;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --light-gray: #f8f9fa;
    --border-radius: 0.375rem;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fa;
}

/* Navbar */
.navbar-brand {
    font-weight: 600;
    font-size: 1.2rem;
}

/* Cards */
.card {
    border: none;
    border-radius: var(--border-radius);
    transition: box-shadow 0.15s ease-in-out;
}

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

.card-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
    font-weight: 600;
}

/* File upload area */
#uploadForm {
    position: relative;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
}

/* Progress bar */
.progress {
    height: 0.75rem;
    background-color: #e9ecef;
    border-radius: var(--border-radius);
}

.progress-bar {
    background-color: var(--primary-color);
}

/* Issue items */
.issue-item {
    background-color: white;
    border: 1px solid #dee2e6 !important;
    transition: all 0.15s ease-in-out;
}

.issue-item:hover {
    background-color: #f8f9fa;
    border-color: #adb5bd !important;
}

/* Buttons */
.btn {
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: all 0.15s ease-in-out;
}

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

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}

.btn-group .btn-check:checked + .btn {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Stats display */
.text-center .h3 {
    font-weight: 700;
    margin-bottom: 0.25rem;
}

/* Modals */
.modal-xl {
    max-width: 90%;
}

.modal-content {
    border: none;
    border-radius: var(--border-radius);
}

.modal-header {
    border-bottom: 1px solid #dee2e6;
    background-color: var(--light-gray);
}

/* Code blocks */
pre {
    font-size: 0.875rem;
    line-height: 1.4;
}

/* Loading states */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Responsive improvements */
@media (max-width: 768px) {
    .container-fluid {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .card-body .row .col-md-6,
    .card-body .row .col-md-4,
    .card-body .row .col-md-3 {
        margin-bottom: 1rem;
    }
    
    .display-5 {
        font-size: 2rem;
    }
    
    .btn-group {
        flex-wrap: wrap;
    }
    
    .btn-group .btn {
        font-size: 0.875rem;
    }
}

/* Accessibility improvements */
.btn:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.5);
}

.form-control:focus {
    outline: none;
}

/* Alert variants */
.alert-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

/* Badge improvements */
.badge {
    font-size: 0.75rem;
    font-weight: 500;
}

/* Footer */
footer {
    border-top: 1px solid #dee2e6;
    margin-top: auto;
}

/* Animation for results */
#resultsSection {
    animation: fadeInUp 0.5s ease-out;
}

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

/* Issue severity colors */
.text-danger {
    color: var(--danger-color) !important;
}

.text-warning {
    color: #856404 !important;
}

.text-success {
    color: var(--success-color) !important;
}

.text-info {
    color: var(--info-color) !important;
}

.text-primary {
    color: var(--primary-color) !important;
}

/* Custom scrollbar for modal content */
.modal-body pre::-webkit-scrollbar {
    width: 8px;
}

.modal-body pre::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.modal-body pre::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

.modal-body pre::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Help section styling */
#helpSection {
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* File input custom styling */
.form-control[type="file"] {
    padding: 0.375rem 0.75rem;
}

.form-control[type="file"]::-webkit-file-upload-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0.25rem;
    padding: 0.25rem 0.75rem;
    margin-right: 0.75rem;
    cursor: pointer;
}

.form-control[type="file"]::-webkit-file-upload-button:hover {
    background-color: #0056b3;
}

/* Compact tree view - file explorer style */
.tree-row,
.tree-row-issue {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.85rem;
    line-height: 1.4;
    padding: 1px 5px;
    margin: 0;
    white-space: nowrap;
    transition: background-color 0.1s ease;
}

.tree-row:hover {
    background-color: #e8f4ff;
}

.tree-row-issue {
    background-color: #fff9e6;
    border-left: 3px solid #ffc107;
    font-weight: 500;
}

.tree-row-issue:hover {
    background-color: #fff3cd;
}

.tree-toggle-simple {
    color: #666;
    user-select: none;
    font-size: 0.7rem;
    transition: color 0.1s ease;
}

.tree-toggle-simple:hover {
    color: var(--primary-color);
}

.tree-children-compact {
    margin-left: 15px;
    padding-left: 0;
}

#structureContent {
    font-size: 0.85rem;
    max-height: 70vh;
    overflow-y: auto;
    overflow-x: auto;
    padding: 10px;
    background-color: #ffffff;
    border: 1px solid #dee2e6;
    border-radius: 4px;
}

/* Scrollbar styling */
#structureContent::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

#structureContent::-webkit-scrollbar-track {
    background: #f1f1f1;
}

#structureContent::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

#structureContent::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Improve plain language alert styling */
.alert-info {
    border-left: 4px solid var(--info-color);
    background-color: #e7f5ff;
}

.alert-info strong {
    color: #0c5460;
}