/* Main application styles */

/* Body and base typography */
body {
    font-family: var(--font-family);
    font-size: var(--body-font-size);
    line-height: var(--body-line-height);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family);
    font-weight: 700;
    line-height: 1.15;
}

h1 {
    color: var(--brand-primary);
}

h2, h3, h4, h5, h6 {
    color: var(--text-primary);
}

/* Links */
a {
    color: var(--link-color);
}

a:hover {
    color: var(--brand-primary);
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    max-height: calc(100vh - 56px);
    overflow-y: auto;
    position: sticky;
    top: 56px;
    flex-shrink: 0;
}

.sidebar-header {
    position: sticky;
    top: 0;
    background: inherit;
    z-index: 10;
}

.sidebar-nav {
    padding: 0.5rem 0;
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
    color: inherit;
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all 0.15s ease;
}

.sidebar-link:hover {
    background-color: rgba(0, 0, 0, 0.05);
    color: inherit;
}

.sidebar-link.active {
    background-color: rgba(13, 110, 253, 0.1);
    border-left-color: var(--bs-primary);
    color: var(--bs-primary);
    font-weight: 500;
}

.sidebar-category-header {
    font-weight: 500;
}

.sidebar-category-header .sidebar-chevron {
    transition: transform 0.2s ease;
}

.sidebar-category-header[aria-expanded="true"] .sidebar-chevron {
    transform: rotate(180deg);
}

.sidebar-indicators {
    background-color: rgba(0, 0, 0, 0.02);
}

.sidebar-indicator {
    padding-left: 2.5rem;
    font-size: 0.9rem;
}

.sidebar-indicator i {
    font-size: 0.8rem;
}

/* Content area */
.content-area {
    padding: var(--content-padding);
    background-color: #fff;
}

.content-container {
    max-width: var(--content-max-width);
    margin: 0 auto;
}

.content-header {
    margin-bottom: 1.5rem;
}

/* Protocol cards on home page */
.protocol-card {
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.protocol-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1) !important;
}

.protocol-icon {
    flex-shrink: 0;
}

/* Category cards */
.category-card {
    transition: border-color 0.15s ease;
}

.category-card:hover {
    border-color: var(--bs-primary) !important;
}

/* Indicator list */
.indicators-list .list-group-item {
    border-left-width: 3px;
    transition: border-left-color 0.15s ease;
}

.indicators-list .list-group-item:hover {
    border-left-color: var(--bs-primary);
}

/* Markdown content styling */
.markdown-content {
    line-height: 1.5;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
    font-family: var(--font-family);
    font-weight: 700;
    line-height: 1.15;
}

.markdown-content h1 {
    margin-top: 1.5em;
    margin-bottom: 0.75em;
    color: var(--brand-primary);
}

.markdown-content h2 {
    margin-top: 1.25em;
    margin-bottom: 0.5em;
}

.markdown-content h3 {
    margin-top: 1.25em;
    margin-bottom: 0.5em;
}

.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
    margin-top: 1.25em;
    margin-bottom: 0.5em;
}

.markdown-content h1:first-child,
.markdown-content h2:first-child,
.markdown-content h3:first-child {
    margin-top: 0;
}

/* Reduce vertical space when headings follow each other */
.markdown-content h1 + h2,
.markdown-content h2 + h3,
.markdown-content h3 + h4 {
    margin-top: 0.5em;
}

.markdown-content p {
    margin-bottom: 1em;
}

.markdown-content ul,
.markdown-content ol {
    margin-bottom: 1em;
    padding-left: 2em;
    line-height: 1.5;
}

.markdown-content li {
    margin-bottom: 0.25em;
}

.markdown-content table {
    width: 100%;
    margin-bottom: 1em;
    border-collapse: collapse;
}

.markdown-content th,
.markdown-content td {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    vertical-align: top;
}

.markdown-content th {
    background-color: var(--brand-primary);
    color: #ffffff;
    font-weight: 700;
}

.markdown-content img {
    max-width: 100%;
    height: auto;
    border-radius: 0.375rem;
}

.markdown-content blockquote {
    padding: 0.5rem 1rem;
    margin: 1em 0;
    border-left: 4px solid var(--brand-primary);
    background-color: var(--background-light);
}

.markdown-content code {
    padding: 0.125rem 0.25rem;
    background-color: var(--background-light);
    border-radius: 0.25rem;
    font-size: 0.9em;
}

.markdown-content pre {
    padding: 1rem;
    background-color: var(--background-light);
    border: 1px solid var(--text-secondary);
    border-radius: 0.375rem;
    overflow-x: auto;
}

.markdown-content pre code {
    padding: 0;
    background-color: transparent;
}

/* Metadata grid */
.metadata-grid .metadata-item {
    padding: 0.5rem 0;
}

/* Type explanation alert */
.type-explanation {
    background-color: #f8f9fa;
}

/* Navigation buttons */
.indicator-nav .btn {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Mobile responsiveness */
@media (max-width: 991.98px) {
    .sidebar {
        position: fixed;
        left: -100%;
        top: 56px;
        height: calc(100vh - 56px);
        z-index: 1040;
        transition: left 0.3s ease;
        background-color: #f8f9fa;
    }

    .sidebar.show {
        left: 0;
    }

    .content-area {
        padding: 1rem;
    }
}

@media (max-width: 575.98px) {
    :root {
        --content-padding: 1rem;
    }

    .content-header h1 {
        font-size: 1.5rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus styles for accessibility */
.sidebar-link:focus,
.btn:focus,
a:focus {
    outline: 2px solid var(--bs-primary);
    outline-offset: 2px;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--bs-primary);
    color: white;
    padding: 8px;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* Footnotes (citations/references) */
.footnote-ref {
    font-size: 0.75em;
    vertical-align: super;
    line-height: 0;
    text-decoration: none;
}

.markdown-content .footnote-ref:hover {
    text-decoration: underline;
}

/* Footnotes section at bottom of each page */
.markdown-content .footnote {
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
    padding-top: 1rem;
    font-size: 0.9em;
}

.markdown-content .footnote hr {
    display: none;
}

.markdown-content .footnote ol {
    padding-left: 1.5em;
    margin-bottom: 0;
}

.markdown-content .footnote li {
    margin-bottom: 0.5em;
    line-height: 1.4;
}

.markdown-content .footnote p {
    margin-bottom: 0.25em;
}

/* Backref link in footnotes */
.markdown-content .footnote-backref {
    font-size: 0.8em;
    margin-left: 0.25em;
    text-decoration: none;
}