/*
 * site-ui.css
 * Site-wide UI additions used by site-ui.js: phone header brand, dark mode, footer,
 * article contents list / related articles, and the calculator "Copy results" button.
 * Loaded on every page by the SITE-UI block in <head> (see _site-scripts/add-site-ui.py).
 */

:root {
    --mc-teal: #138d90;
    --mc-red: #d63339;
}

/* ---------- Top bar: brand on phones, theme button ---------- */
.mc-brand {
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: -0.01em;
    text-decoration: none;
    white-space: nowrap;
    color: var(--mc-teal);
}
.mc-brand span { color: var(--mc-red); }
@media (min-width: 768px) {
    .mc-brand { display: none; }
}
@media (max-width: 575.98px) {
    /* Room is tight on phones: the brand replaces the page title in the top bar */
    .top-navbar .mc-brand ~ .fw-bold.text-secondary { display: none !important; }
}

.mc-theme-btn {
    width: 38px;
    height: 38px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Keep the top bar items on one line, left to right */
.top-navbar > .container-fluid {
    flex-wrap: nowrap;
    gap: 0.5rem;
}
.top-navbar > .container-fluid > #sidebarCollapse { margin-right: 0.5rem !important; }

/* One look for every page's top bar: same height, border, title and search box size */
.top-navbar { min-height: 64px; border-bottom: 1px solid var(--bs-border-color) !important; }
.mc-topbar .fw-bold.text-secondary.fs-5 { margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mc-topbar .input-group { width: 260px !important; margin-right: 0 !important; }
.mc-topbar > .ms-auto > .input-group { margin-right: 0 !important; }
@media (max-width: 767.98px) {
    .mc-topbar .mc-brand + .fw-bold.text-secondary.fs-5 { display: none !important; }
}

/* ---------- Footer ---------- */
.mc-footer {
    margin-top: 48px;
    padding: 32px 24px 24px;
    border-top: 1px solid var(--bs-border-color);
    background: var(--bs-body-bg);
    color: var(--bs-secondary-color);
    font-size: 0.9rem;
}
.mc-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 24px;
    max-width: 1100px;
}
.mc-footer h2 {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--bs-body-color);
    margin-bottom: 10px;
}
.mc-footer ul { list-style: none; padding: 0; margin: 0; }
.mc-footer li { margin-bottom: 6px; }
.mc-footer a { color: var(--bs-secondary-color); text-decoration: none; }
.mc-footer a:hover { color: var(--mc-teal); text-decoration: underline; }
.mc-footer .mc-brand { display: inline-block; font-size: 1.15rem; margin-bottom: 6px; }
.mc-footer-bottom {
    max-width: 1100px;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--bs-border-color);
    font-size: 0.8rem;
}
@media (max-width: 767.98px) {
    .mc-footer-grid { grid-template-columns: 1fr 1fr; }
    .mc-footer-about { grid-column: 1 / -1; }
}

/* ---------- Articles: contents list and related articles ---------- */
.mc-toc {
    border: 1px solid var(--bs-border-color);
    border-left: 4px solid var(--mc-teal);
    border-radius: 10px;
    background: var(--bs-tertiary-bg);
    padding: 16px 20px;
    margin: 1.5rem 0 2rem;
    font-size: 0.95rem;
    line-height: 1.6;
}
.mc-toc-title {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--bs-secondary-color);
    margin-bottom: 6px;
}
.mc-toc ol { margin: 0; padding-left: 1.2rem; }
.mc-toc a { text-decoration: none; }
.mc-toc a:hover { text-decoration: underline; }
.article-body h2[id], .article-body h3[id] { scroll-margin-top: 90px; }

.mc-related { margin-top: 3rem; }
.mc-related h2 { font-size: 1.25rem !important; border: 0 !important; margin-top: 0 !important; }
.mc-related .card { transition: transform 0.2s ease, box-shadow 0.2s ease; }
.mc-related .card:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08) !important; }
.mc-related .card p { font-size: 0.875rem; line-height: 1.5; }

/* ---------- Calculators: copy results ---------- */
.mc-copy-wrap { text-align: right; margin-top: 10px; }
.mc-copy-wrap[hidden] { display: none; }

/* ---------- Dark mode ---------- */
/* Bootstrap 5.3 switches its own components with data-bs-theme="dark"; these cover the site's
   custom colours. Diagrams and visualisers deliberately stay light: their drawings assume white. */
[data-bs-theme="dark"] body { background-color: #111418; }
[data-bs-theme="dark"] .top-navbar { background: #1a1d21; box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06); }
[data-bs-theme="dark"] .card { --bs-card-bg: #1a1d21; }
[data-bs-theme="dark"] .bg-light { background-color: #22262b !important; }
[data-bs-theme="dark"] .bg-white { background-color: #1a1d21 !important; }
[data-bs-theme="dark"] .text-dark:not(.badge):not(.bg-warning):not(.bg-info):not(.btn-warning) { color: var(--bs-body-color) !important; }
[data-bs-theme="dark"] .text-black { color: var(--bs-body-color) !important; }
/* Badges on a light background that dark mode has darkened, and faint tints (10-25%), need light text too */
[data-bs-theme="dark"] :is(.bg-white, .bg-light).text-dark,
[data-bs-theme="dark"] :is(.bg-opacity-10, .bg-opacity-25).text-dark { color: var(--bs-body-color) !important; }
[data-bs-theme="dark"] :is(.bg-white, .bg-light).text-primary { color: #6ea8fe !important; }
[data-bs-theme="dark"] .btn-light {
    --bs-btn-bg: #2a2f35; --bs-btn-color: #e9ecef; --bs-btn-border-color: #3a4047;
    --bs-btn-hover-bg: #343a40; --bs-btn-hover-color: #fff; --bs-btn-hover-border-color: #495057;
}
[data-bs-theme="dark"] .btn-outline-dark {
    --bs-btn-color: #dee2e6; --bs-btn-border-color: #6c757d;
    --bs-btn-hover-bg: #dee2e6; --bs-btn-hover-color: #111418; --bs-btn-hover-border-color: #dee2e6;
}
[data-bs-theme="dark"] .btn-dark { --bs-btn-border-color: #495057; }
[data-bs-theme="dark"] .article-body { color: #c9d1d9 !important; }
[data-bs-theme="dark"] .article-body h2,
[data-bs-theme="dark"] .article-body h3,
[data-bs-theme="dark"] .article-body h4 { color: #f1f3f5 !important; border-color: #2f343a !important; }
[data-bs-theme="dark"] :is(.article-header, .method-box, .theory-box, .ref-table-box, .policy-content,
    .coming-soon-card, .ad-container, .ad-label, .checklist-item, .setup-theme, .method-card, .contact-card,
    .signup-card, .file-drop-zone, .file-item, .job-meta-tag, .vote-box, .code-textarea, .pin-btn,
    .benefit-icon, .hero-light) {
    background-color: #1a1d21 !important;
    background-image: none !important;
    color: var(--bs-body-color);
    border-color: #2f343a !important;
}
[data-bs-theme="dark"] :is(.form-control-lg, .form-select-lg, .input-group-text) {
    background-color: #22262b;
    color: var(--bs-body-color);
    border-color: #3a4047;
}
[data-bs-theme="dark"] .breadcrumb a { color: #6ea8fe; }
/* Set by site-ui.js on the pages' own light boxes and dark-coloured text */
[data-bs-theme="dark"] .mc-dark-surface {
    background-color: #1e2227 !important;
    background-image: none !important;
    box-shadow: none !important;
}
[data-bs-theme="dark"] .mc-dark-text { color: #d6dbe0 !important; }
[data-bs-theme="dark"] a.mc-dark-text { color: #6ea8fe !important; }
[data-bs-theme="dark"] .mc-related .card:hover { box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4) !important; }

/* ---------- Calculators: favourite / share buttons and "What next?" ---------- */
.mc-tool-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: flex-end; margin: -0.25rem 0 1rem; }
.mc-next {
    margin-top: 16px;
    padding: 16px 18px;
    border: 1px solid var(--bs-border-color);
    border-left: 4px solid var(--mc-teal);
    border-radius: 12px;
    background: var(--bs-body-bg);
}
.mc-next[hidden] { display: none; }
.mc-next-title { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--bs-secondary-color); margin-bottom: 10px; }
.mc-next-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; }
.mc-next-item {
    display: flex; gap: 10px; align-items: flex-start;
    padding: 10px 12px; border-radius: 10px; border: 1px solid var(--bs-border-color);
    text-decoration: none; color: var(--bs-body-color); background: var(--bs-tertiary-bg);
    transition: border-color 0.15s ease, transform 0.15s ease;
}
.mc-next-item:hover { border-color: var(--mc-teal); transform: translateY(-1px); }
.mc-next-item i { font-size: 1.2rem; line-height: 1.3; }
.mc-next-item strong { display: block; font-size: 0.9rem; }
.mc-next-item small { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; color: var(--bs-secondary-color); font-size: 0.78rem; line-height: 1.35; }
.mc-next-learn { margin-top: 12px; font-size: 0.9rem; display: flex; flex-wrap: wrap; gap: 6px 16px; }
.mc-next-learn a, .mc-next-foot a { text-decoration: none; }
.mc-next-learn a:hover, .mc-next-foot a:hover { text-decoration: underline; }
.mc-next-foot { margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--bs-border-color); font-size: 0.85rem; display: flex; flex-wrap: wrap; gap: 6px 18px; }
.mc-next-foot a { color: var(--bs-secondary-color); }

/* ---------- Home / Tools: favourites and recently used ---------- */
.mc-shortcuts { margin-bottom: 24px; display: grid; gap: 8px; }
.mc-shortcuts-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.mc-shortcuts-label { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--bs-secondary-color); min-width: 110px; }
.mc-chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 5px 12px; border-radius: 999px; font-size: 0.85rem;
    border: 1px solid var(--bs-border-color); background: var(--bs-body-bg);
    color: var(--bs-body-color); text-decoration: none;
}
.mc-chip:hover { border-color: var(--mc-teal); color: var(--mc-teal); }

/* ---------- Search suggestions ---------- */
.mc-suggest-host { position: relative; }
.mc-suggest {
    position: absolute; top: calc(100% + 6px); left: 0; right: 0; z-index: 1080;
    min-width: 300px; max-height: 70vh; overflow-y: auto;
    background: var(--bs-body-bg); border: 1px solid var(--bs-border-color);
    border-radius: 10px; box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15); padding: 6px; text-align: left;
}
.top-navbar .mc-suggest { left: auto; width: 360px; }
.mc-suggest[hidden] { display: none; }
.mc-suggest a {
    display: grid; grid-template-columns: 22px 1fr auto; align-items: center; gap: 8px;
    padding: 8px 10px; border-radius: 8px; color: var(--bs-body-color); text-decoration: none; font-size: 0.9rem;
}
.mc-suggest a:hover, .mc-suggest a.active { background: var(--bs-tertiary-bg); }
.mc-suggest a i { color: var(--mc-teal); }
.mc-suggest a small { color: var(--bs-secondary-color); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.04em; }
.mc-suggest-empty { padding: 10px; color: var(--bs-secondary-color); font-size: 0.85rem; }
.mc-search-overlay {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1090;
    padding: 12px 16px; background: var(--bs-body-bg); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}
.mc-search-overlay[hidden] { display: none; }
.mc-search-overlay .mc-suggest { position: static; min-width: 0; margin-top: 8px; box-shadow: none; }

/* ---------- Articles: reading progress, time, next article ---------- */
.mc-progress {
    position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 1085;
    background: var(--mc-teal); transform-origin: 0 50%; transform: scaleX(0); pointer-events: none;
}
.mc-readtime { color: var(--bs-secondary-color); font-size: 0.9rem; margin: -0.5rem 0 1rem; }
.mc-article-extras { margin-top: 2.5rem; display: grid; gap: 16px; }
.mc-next-article {
    display: grid; gap: 2px; padding: 16px 18px; border-radius: 12px; text-decoration: none;
    border: 1px solid var(--bs-border-color); background: var(--bs-tertiary-bg); color: var(--bs-body-color);
}
.mc-next-article:hover { border-color: var(--mc-teal); }
.mc-next-article small { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--mc-teal); }
.mc-next-article strong { font-size: 1.1rem; }
.mc-next-article span { color: var(--bs-secondary-color); font-size: 0.9rem; }

/* ---------- Printing (handbook charts and calculator results) ---------- */
@media print {
    #sidebar, .top-navbar, .mc-footer, footer, .ad-container, .ad-label, ins.adsbygoogle, .mc-progress,
    .mc-tool-actions, .mc-next, .mc-copy-wrap, .mc-related, .mc-article-extras, .mc-search-overlay,
    #tool-guide .accordion, .related-tools, [aria-labelledby="related-tools-heading"] { display: none !important; }
    body, #content, .wrapper { background: #fff !important; color: #000 !important; }
    #content { width: 100% !important; margin: 0 !important; padding: 0 !important; }
    .card, .shadow-sm, .shadow, .shadow-lg { box-shadow: none !important; }
    table { font-size: 10pt; }
    tr, img { page-break-inside: avoid; }
    a { color: #000 !important; text-decoration: none !important; }
}