/* DocVault Common Styles */

/* Basic Layout */
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.content {
    flex: 1;
}

.footer {
    margin-top: auto;
}

/* Main containers */
.container {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}

/* Document Content Styles */
.document-content img {
    max-width: 100%;
    height: auto;
}

.document-metadata {
    font-size: 0.9rem;
}

/* Table of Contents */
#toc {
    font-size: 0.95rem;
    position: relative;
    padding: 8px 0;
}

#toc ul {
    padding-left: 0;
    margin-bottom: 0;
}

#toc li {
    margin-bottom: 3px;
    list-style-type: none;
    position: relative;
    transition: all 0.15s ease;
    line-height: 1.4;
    border-radius: 3px;
}

#toc li:hover {
    background-color: #f1f4f9;
}

#toc a {
    display: block;
    text-decoration: none;
    color: #495057;
    padding: 4px 10px;
    border-left: 2px solid transparent;
    transition: all 0.15s ease-in-out;
    font-weight: 400;
    line-height: 1.4;
    margin: 1px 0;
    text-overflow: ellipsis;
    overflow: hidden;
    max-width: 100%;
}

#toc a:hover {
    color: #0d6efd;
    border-left-color: #0d6efd;
}

#toc a.active {
    font-weight: 500;
    color: #0d6efd;
    border-left-color: #0d6efd;
    background-color: #e7f0ff;
}

/* ToC levels with clear visual hierarchy */
#toc li[data-level="1"] a {
    font-weight: 600;
    padding-left: 10px;
    color: #212529;
    white-space: nowrap;
}

#toc li[data-level="2"] a {
    padding-left: 20px;
    font-weight: 500;
    white-space: nowrap;
}

#toc li[data-level="3"] a {
    padding-left: 30px;
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

#toc li[data-level="4"] a {
    padding-left: 38px;
    font-size: 0.9rem;
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

#toc li[data-level="5"] a,
#toc li[data-level="6"] a {
    padding-left: 44px;
    font-size: 0.85rem;
    color: #666;
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}

/* Visual level indicators */
#toc li[data-level="2"]::before,
#toc li[data-level="3"]::before,
#toc li[data-level="4"]::before,
#toc li[data-level="5"]::before,
#toc li[data-level="6"]::before {
    position: absolute;
    color: #adb5bd;
}

#toc li[data-level="2"]::before {
    content: "•";
    left: 10px;
    top: 5px;
    font-size: 10px;
    color: #495057;
}

#toc li[data-level="3"]::before {
    content: "◦";
    left: 20px;
    top: 6px;
    font-size: 8px;
}

#toc li[data-level="4"]::before,
#toc li[data-level="5"]::before,
#toc li[data-level="6"]::before {
    content: "-";
    left: 30px;
    top: 4px;
    font-size: 9px;
}

#toc li:hover::before {
    color: #0d6efd;
}

#toc li a.active::before {
    color: #0d6efd;
}

/* Animations */
.highlight-heading {
    animation: highlight-fade 2s;
}

@keyframes highlight-fade {
    0% { background-color: rgba(255, 255, 0, 0.5); }
    50% { background-color: rgba(255, 255, 0, 0.3); }
    100% { background-color: transparent; }
}

/* Back to top link */
#toc a[href="#"] {
    color: #6c757d;
    font-size: 0.9rem;
    display: inline-block;
    padding: 6px 12px;
    border-radius: 4px;
    transition: all 0.15s ease;
    border-left: none;
    background-color: #f8f9fa;
    margin-top: 8px;
    border: 1px solid #dee2e6;
    white-space: nowrap;
    overflow: visible;
}

#toc a[href="#"]:hover {
    color: #0d6efd;
    background-color: #e9ecef;
    text-decoration: none;
    border-color: #cbd3da;
}

/* Card Styles */
.card-header-action {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header-action .card-title {
    margin-bottom: 0;
}

/* Sidebar Improvements */
.col-md-3 .card {
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0,0,0,0.12);
    width: 100%;
    overflow: hidden;
}

.col-md-3 .card.sticky-top {
    max-height: calc(100vh - 40px);
    display: flex;
    flex-direction: column;
    top: 15px;
}

.col-md-3 .card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    font-weight: 500;
    padding: 0.75rem 1rem;
}

.col-md-3 .card-body {
    padding: 0;
    max-height: 70vh;
    overflow-y: auto;
    scrollbar-width: thin;
    font-size: 0.95rem;
    background-color: #fff;
}

/* Document TOC specific styles */
.document-toc-heading {
    color: #495057;
    padding: 12px 15px;
    background-color: #f8f9fa;
    border-bottom: 1px solid #eaedf0;
    width: 100%;
    box-sizing: border-box;
}

.document-toc-heading .fw-bold {
    color: #212529;
    font-size: 1rem;
    margin-top: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
    line-height: 1.3;
}

/* Custom scrollbar for the ToC */
.col-md-3 .card-body::-webkit-scrollbar {
    width: 6px;
}

.col-md-3 .card-body::-webkit-scrollbar-track {
    background: #f8f9fa;
}

.col-md-3 .card-body::-webkit-scrollbar-thumb {
    background-color: #cfd4da;
    border-radius: 6px;
}

.col-md-3 .card-body::-webkit-scrollbar-thumb:hover {
    background-color: #adb5bd;
}

/* Document Version History */
.version-card {
    transition: background-color 0.2s;
}

.version-card:hover {
    background-color: rgba(0, 123, 255, 0.05);
}

/* Document Changelog */
.change-importance-high {
    border-left: 4px solid #dc3545;
}

.change-importance-medium {
    border-left: 4px solid #fd7e14;
}

.change-importance-low {
    border-left: 4px solid #6c757d;
}

/* Search Results */
.search-highlight {
    background-color: rgba(255, 255, 0, 0.3);
    padding: 0.1rem 0.2rem;
    border-radius: 0.2rem;
}