.md-header__button.md-logo img,
.md-header__button.md-logo svg {
    height: 80px !important;
    width: auto;
}

.md-header__button.md-logo {
    margin: 0;
    padding: 0;
}


/* Mermaid diagram styling */
.mermaid {
    text-align: center;
    margin: 1em 0;
}

/* Image zoom on hover */
.zoom-image {
    transition: transform 0.3s ease;
    cursor: pointer;
}

.zoom-image:hover {
    transform: scale(1.05);
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.back-to-top:hover {
    background: var(--md-accent-fg-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

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

::-webkit-scrollbar-track {
    background: var(--md-default-bg-color);
}

::-webkit-scrollbar-thumb {
    background: var(--md-primary-fg-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--md-accent-fg-color);
}

/* Enhanced code blocks */
.highlight {
    border-radius: 6px;
    overflow: hidden;
}

/* Smooth animations for theme switching */
* {
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Custom admonition styling */
.md-typeset .admonition {
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Table enhancements */
.md-typeset table:not([class]) {
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Reading time indicator */
.reading-time {
    font-family: var(--md-text-font);
}

/* Help modal styling */
.help-content {
    background: var(--md-default-bg-color);
    padding: 2rem;
    border-radius: 8px;
    max-width: 400px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.shortcut-list {
    margin: 1rem 0;
}

.shortcut-list div {
    margin: 0.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

kbd {
    background: var(--md-default-fg-color--lightest);
    border: 1px solid var(--md-default-fg-color--lighter);
    border-radius: 3px;
    padding: 2px 6px;
    font-size: 0.8em;
    font-family: monospace;
}

.close-help {
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    margin-top: 1rem;
}

/* Active TOC link highlighting */
.md-nav--secondary a.active {
    color: var(--md-accent-fg-color) !important;
    font-weight: 600;
}

/* Print styles */
@media print {

    .back-to-top,
    .md-header,
    .md-sidebar,
    .copy-code-btn {
        display: none !important;
    }

    .md-content {
        margin: 0 !important;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus indicators */
button:focus,
a:focus {
    outline: 2px solid var(--md-accent-fg-color);
    outline-offset: 2px;
}

/* Toast notifications */
.toast-container {
    max-width: 300px;
}

.toast {
    display: block;
    max-width: 100%;
    word-wrap: break-word;
}

/* Enhanced code block styling */
pre:hover .custom-copy-btn {
    opacity: 0.8 !important;
}

.custom-copy-btn:hover {
    opacity: 1 !important;
    background: rgba(0, 0, 0, 0.8) !important;
}