/* Common component styles for all pages: mobile menu, table of contents, back-to-top,
   scrollbar, scroll animation, button hover and the corner mark. Loaded after common.css. */

/* Mobile navigation */
#mobileMenuToggle,
dialog.mobile-menu .close-button {
    min-width: 2.75rem;
    min-height: 2.75rem;
    padding: 0.5rem;
    border: 0;
    border-radius: 0.25rem;
    background: transparent;
    color: var(--text-color-strong);
    cursor: pointer;
}

#mobileMenuToggle {
    flex-shrink: 0;
}

#mobileMenuToggle svg,
dialog.mobile-menu .close-button svg {
    display: block;
    width: 1.5rem;
    height: 1.5rem;
    margin: auto;
}

dialog.mobile-menu {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    max-width: none;
    max-height: none;
    margin: 0;
    padding: 1rem;
    border: 0;
    background: var(--mobile-menu-bg);
    color: var(--text-color-strong);
    backdrop-filter: blur(10px);
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: none;
}

dialog.mobile-menu:not([open]) {
    display: none;
}

dialog.mobile-menu[open] {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0.5rem;
}

dialog.mobile-menu::backdrop {
    background: transparent;
}

html:has(dialog.mobile-menu[open]) {
    overflow-y: hidden;
}

dialog.mobile-menu .close-button {
    position: static;
    flex: none;
    align-self: flex-end;
}

.mobile-menu-content {
    display: flex;
    flex: 1;
    min-height: 0;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 0.25rem;
}

.mobile-menu-nav {
    display: grid;
    width: min(100%, 22rem);
    margin-top: auto;
}

dialog.mobile-menu .mobile-menu-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 2.75rem;
    padding: 0.375rem 0.75rem;
    color: var(--text-color-strong);
    font-size: 1.5rem;
    text-align: center;
    text-decoration: none;
}

dialog.mobile-menu .mobile-menu-link:hover {
    color: var(--link-color);
}

dialog.mobile-menu .mobile-menu-link[aria-current="page"] {
    font-weight: 600;
}

dialog.mobile-menu .theme-switch-wrapper {
    flex: none;
    margin-bottom: auto;
}

dialog.mobile-menu .theme-switch {
    height: 2.75rem;
}

dialog.mobile-menu .theme-switch input {
    display: block;
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    margin: 0;
    opacity: 0;
    cursor: pointer;
}

dialog.mobile-menu .theme-switch .slider {
    top: 50%;
    bottom: auto;
    height: 24px;
    transform: translateY(-50%);
}

#mobileMenuToggle:focus-visible,
dialog.mobile-menu .close-button:focus-visible,
dialog.mobile-menu .mobile-menu-link:focus-visible,
dialog.mobile-menu .theme-switch input:focus-visible + .slider {
    outline: 2px solid var(--link-color);
    outline-offset: 2px;
}

/* Leave room for the existing 1.05 watermark pulse. */
svg.hero-watermark {
    max-width: 95%;
    height: auto;
    pointer-events: none;
}

#main-content,
.prose-custom section[id] {
    scroll-margin-top: 5rem;
}

/* Table of Contents Specific Styles */
.toc-container {
    position: sticky;
    top: 10rem;
    /* Adjust based on header height */
    height: calc(100vh - 12rem);
    /* Adjust based on header/footer */
    overflow-y: auto;
    padding-left: 2rem;
    border-left: 1px solid var(--toc-border);
    flex-shrink: 0;
    width: 250px;
    /* Fixed width for TOC */
    display: none;
    /* Hidden by default on small screens */
}

@media (min-width: 1024px) {

    /* lg breakpoint */
    .toc-container {
        display: block;
        /* Show on large screens */
    }
}

.toc-container h3 {
    color: var(--text-color-strong);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.toc-container ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-container li {
    margin-bottom: 0.5rem;
}

.toc-container a {
    display: block;
    color: var(--toc-link-color);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.toc-container a:hover {
    color: var(--toc-link-hover);
    background-color: rgba(0, 0, 0, 0.1);
    /* Subtle hover effect */
}

[data-theme="light"] .toc-container a:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.toc-container a.active {
    color: var(--toc-link-active);
    font-weight: 600;
    background-color: rgba(0, 0, 0, 0.15);
    /* Active background */
}

[data-theme="light"] .toc-container a.active {
    background-color: rgba(0, 0, 0, 0.08);
}

/* Back to Top Button */
#backToTopBtn {
    background-color: var(--link-color);
    color: var(--bg-color);
    opacity: 0;
    visibility: hidden;
}

#backToTopBtn.show {
    opacity: 1;
    visibility: visible;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover-color);
}

/* Scroll Animation for text elements */
.animated-text {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animated-text.is-visible {
    opacity: 1;
    transform: translateY(0);
}

html {
    scroll-behavior: smooth;
}

/* Button hover styles to replace inline event handlers */
.hover-button-primary:hover {
    background-color: var(--button-primary-hover-bg) !important;
}

.hover-button-secondary:hover {
    background-color: var(--card-bg-color) !important;
}

/* Corner mark, the same small decorative mark on all three SentryVista sites */
footer {
    position: relative;
}

.corner-mark {
    position: absolute;
    right: 1rem;
    bottom: 0.5rem;
    height: 20px;
    width: auto;
    opacity: 0.55;
    filter: grayscale(1);
    pointer-events: none;
}

@media (max-width: 480px) {
    .corner-mark {
        right: 0.75rem;
        height: 16px;
    }
}