/*
 * Flowset docs — Phase 0 design layer (tokens + dark mode + components).
 *
 * Loaded LAST so it can override the Antora default UI and the other
 * supplemental stylesheets. Everything here is expressed via CSS custom
 * properties (design tokens) so it migrates 1:1 into the future `flowset-ui`
 * bundle: move :root/[data-theme] into the bundle's token file and the rest
 * into the bundle's component styles — no rewrite needed.
 */

/* ----------------------------------------------------------------------
 * 1. Design tokens
 * -------------------------------------------------------------------- */
:root {
    color-scheme: light;

    --fl-brand: #104656;          /* links, headings accents (matches current brand) */
    --fl-brand-accent: #368f52;   /* primary actions (matches current green button) */

    --fl-bg: #ffffff;
    --fl-bg-subtle: #f6f9fa;
    --fl-surface: #ffffff;
    --fl-text: #1f2328;
    --fl-text-muted: #5f6b71;
    --fl-border: #e1e6e8;
    --fl-code-bg: #f4f7f8;

    --fl-info: #185fa5;     --fl-info-bg: #e9f2fb;
    --fl-success: #0f6e56;  --fl-success-bg: #e7f5ef;
    --fl-warning: #8a5a00;  --fl-warning-bg: #fcf3e2;
    --fl-danger: #a32d2d;   --fl-danger-bg: #fbeaea;

    --fl-radius-sm: 6px;
    --fl-radius-md: 8px;
    --fl-radius-lg: 12px;

    --fl-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --fl-font-mono: ui-monospace, SFMono-Regular, 'JetBrains Mono', Menlo, Consolas, monospace;
    --fl-content-max: 820px;
}

[data-theme="dark"] {
    color-scheme: dark;

    --fl-brand: #5dcaa5;
    --fl-brand-accent: #5dcaa5;

    --fl-bg: #0f1216;
    --fl-bg-subtle: #171b21;
    --fl-surface: #13171d;
    --fl-text: #e6e8eb;
    --fl-text-muted: #9aa3af;
    --fl-border: #2a2f37;
    --fl-code-bg: #13171d;

    --fl-info: #6cb0f5;     --fl-info-bg: #16263a;
    --fl-success: #5dcaa5;  --fl-success-bg: #11241d;
    --fl-warning: #e3b341;  --fl-warning-bg: #2a230f;
    --fl-danger: #f08a8a;   --fl-danger-bg: #2a1515;
}

/* ----------------------------------------------------------------------
 * 2. Typography
 * -------------------------------------------------------------------- */
html, body, .doc, button, input, select, textarea {
    font-family: var(--fl-font-sans);
}

/* ----------------------------------------------------------------------
 * 3. Dark-mode surfaces (override Antora default UI + existing overrides)
 * -------------------------------------------------------------------- */
[data-theme="dark"] body {
    background-color: var(--fl-bg) !important;
    color: var(--fl-text);
}

[data-theme="dark"] nav.navbar,
[data-theme="dark"] .navbar {
    background: var(--fl-bg) !important;
    border-bottom-color: var(--fl-border) !important;
}

[data-theme="dark"] .toolbar {
    background-color: var(--fl-bg) !important;
    color: var(--fl-text-muted);
    box-shadow: inset 0 -1px 0 var(--fl-border);
}

[data-theme="dark"] .toolbar a,
[data-theme="dark"] .breadcrumbs a,
[data-theme="dark"] .toolbar .breadcrumbs li::after {
    color: var(--fl-text-muted);
}

[data-theme="dark"] .nav {
    background-color: var(--fl-bg) !important;
    border-right-color: var(--fl-border) !important;
}

[data-theme="dark"] .nav-panel-menu,
[data-theme="dark"] .nav .nav-list,
[data-theme="dark"] .nav .nav-text,
[data-theme="dark"] .nav a {
    color: var(--fl-text);
}

[data-theme="dark"] .nav .nav-item.is-current-page > .nav-link,
[data-theme="dark"] .nav a:hover {
    color: var(--fl-brand);
}

[data-theme="dark"] .doc {
    color: var(--fl-text);
}

[data-theme="dark"] .doc :is(h1, h2, h3, h4, h5, h6) {
    color: var(--fl-text) !important;
}

/* Only content links get the brand color in dark mode — not nav, toolbar, buttons */
[data-theme="dark"] .doc a {
    color: var(--fl-brand);
}

[data-theme="dark"] .doc :is(table.tableblock, th.tableblock, td.tableblock),
[data-theme="dark"] .doc table.tableblock {
    border-color: var(--fl-border) !important;
}

[data-theme="dark"] .doc thead th {
    background-color: var(--fl-bg-subtle);
    color: var(--fl-text);
}

[data-theme="dark"] .doc :not(pre) > code {
    background-color: var(--fl-code-bg);
    color: var(--fl-text);
}

[data-theme="dark"] .toc .toc-menu h3 {
    color: var(--fl-text);
}

[data-theme="dark"] .toc .toc-menu a {
    color: var(--fl-text-muted);
}

/* breadcrumb home icon (dark SVG) — make it match the text */
[data-theme="dark"] .home-link {
    filter: invert(1) brightness(1.7);
}

[data-theme="dark"] .toc .toc-menu a:hover,
[data-theme="dark"] .toc .toc-menu li.is-active > a {
    color: var(--fl-brand);
}

[data-theme="dark"] .pagination a {
    color: var(--fl-brand) !important;
}

/* Code blocks — the base UI hardcodes #fafafa on pre / pre.highlight > code */
[data-theme="dark"] .doc .listingblock pre,
[data-theme="dark"] .doc .listingblock pre:not(.highlight),
[data-theme="dark"] .doc .literalblock pre,
[data-theme="dark"] .doc pre.highlight > code,
[data-theme="dark"] .doc pre {
    background: var(--fl-code-bg) !important;
    box-shadow: inset 0 0 0 1px var(--fl-border);
    color: var(--fl-text);
}

/* Version selector / explore panel — base UI hardcodes light greys */
[data-theme="dark"] .nav-panel-explore { background: var(--fl-bg); }
[data-theme="dark"] .nav-panel-explore .context { color: var(--fl-text); }

[data-theme="dark"] .nav-panel-explore .components {
    background: var(--fl-bg-subtle);
    box-shadow: inset 0 1px 5px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .nav-panel-explore .component .version a {
    background: var(--fl-bg-subtle);
    color: var(--fl-text);
}

[data-theme="dark"] .nav-panel-explore .component .is-current a {
    background: var(--fl-brand);
    color: #08231b;
}

[data-theme="dark"] .page-versions .version-menu {
    background: var(--fl-surface);
    border: 1px solid var(--fl-border);
}

[data-theme="dark"] .page-versions .version-menu a,
[data-theme="dark"] .page-versions .version-menu-toggle {
    color: var(--fl-text);
}

/* dark backgrounds need light chevrons (pseudo-elements only, never the text) */
[data-theme="dark"] .nav-panel-explore .context .version::after {
    filter: invert(1) brightness(1.6);
}

/* ----------------------------------------------------------------------
 * 4. Components (both themes, token-driven)
 * -------------------------------------------------------------------- */

/* Admonitions — modern callout card. The default UI renders the type label as
 * an absolutely-positioned pill at the top-left of the table; we keep that
 * mechanism (no overflow clipping, no width/position overrides) and only
 * restyle the content box. */
.doc .admonitionblock {
    margin: 1.6rem 0;
}

.doc .admonitionblock > table {
    position: relative;
    table-layout: fixed;
    width: 100%;
    /* td border-radius is only honored with separate borders */
    border-collapse: separate;
    border-spacing: 0;
}

.doc .admonitionblock td.content {
    background-color: var(--fl-bg-subtle);
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius-lg);
    padding: 1.15rem 1.2rem 0.9rem;
    color: var(--fl-text);
}

.doc .admonitionblock td.content > .title {
    color: var(--fl-text-muted);
    font-style: normal;
}

/* lift the label pill above the card border */
.doc .admonitionblock td.icon {
    z-index: 1;
}

/* Card block (used on quick-start) */
.card-block {
    border-color: var(--fl-border);
    background-color: var(--fl-bg-subtle);
    border-radius: var(--fl-radius-lg);
    color: var(--fl-text);
}

/* Primary button — readable green with white text in both themes */
a.primary-btn,
[data-theme="dark"] .doc a.primary-btn {
    background-color: #368f52;
    color: #fff;
    border-radius: var(--fl-radius-md);
}

/* Code blocks */
.doc .listingblock pre,
.doc pre.highlight,
.doc pre {
    background-color: var(--fl-code-bg);
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius-md);
    overflow: hidden; /* clip the inner code block's square corners */
}

/* round the inner code/literal block so no square corner pokes out */
.doc .listingblock pre.highlight > code,
.doc .listingblock pre:not(.highlight),
.doc .literalblock pre {
    border-radius: var(--fl-radius-md);
}

/* Search input */
#search-input {
    background-color: var(--fl-surface);
    border: 1px solid var(--fl-border);
    color: var(--fl-text);
    border-radius: var(--fl-radius-md);
}

#search-input::placeholder {
    color: var(--fl-text-muted);
}

[data-theme="dark"] .search-result-dataset {
    background: var(--fl-surface);
    border-color: var(--fl-border);
    color: var(--fl-text);
}

[data-theme="dark"] .search-result-document-hit > a {
    color: var(--fl-text);
}

/* ----------------------------------------------------------------------
 * 5. Theme toggle button
 * -------------------------------------------------------------------- */
.theme-toggle {
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--fl-radius-md);
    padding: 6px 8px;
    cursor: pointer;
    color: var(--fl-text);
    display: inline-flex;
    align-items: center;
    line-height: 0;
}

.theme-toggle:hover {
    border-color: var(--fl-border);
    background-color: var(--fl-bg-subtle);
}

.theme-icon {
    width: 18px;
    height: 18px;
    display: block;
}

.theme-icon--sun { display: none; }
[data-theme="dark"] .theme-icon--moon { display: none; }
[data-theme="dark"] .theme-icon--sun { display: block; }

/* ----------------------------------------------------------------------
 * 6. Typography scale & vertical rhythm (Phase 2)
 * -------------------------------------------------------------------- */
.doc {
    max-width: var(--fl-content-max);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

.doc p,
.doc li {
    line-height: 1.7;
}

.doc :is(h1, h2, h3, h4, h5, h6) {
    line-height: 1.3;
    scroll-margin-top: 5rem; /* clear the sticky toolbar when jumping to anchors */
}

.doc h1 {
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin: 0 0 0.6em;
}

.doc h2 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin: 2.2rem 0 1rem;
    padding-bottom: 0.3em;
    border-bottom: 1px solid var(--fl-border);
}

.doc h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 1.8rem 0 0.7rem;
}

.doc h4 {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 1.5rem 0 0.6rem;
}

.doc h5,
.doc h6 {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 1.2rem 0 0.5rem;
}

.doc a {
    font-weight: 500;
    text-decoration: none;
}

.doc a:hover {
    text-decoration: underline;
}

.doc :not(pre) > code {
    font-family: var(--fl-font-mono);
    font-size: 0.875em;
    background-color: var(--fl-code-bg);
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius-sm);
    padding: 0.1em 0.35em;
}

.doc blockquote {
    border-left: 3px solid var(--fl-brand-accent);
    background: var(--fl-bg-subtle);
    margin: 1.25rem 0;
    padding: 0.6rem 1rem;
    color: var(--fl-text);
    border-radius: 0 var(--fl-radius-md) var(--fl-radius-md) 0;
}

.doc hr {
    border: 0;
    border-top: 1px solid var(--fl-border);
    margin: 2rem 0;
}

.doc kbd {
    background: var(--fl-bg-subtle);
    border: 1px solid var(--fl-border);
    border-bottom-width: 2px;
    border-radius: var(--fl-radius-sm);
    padding: 0.1em 0.4em;
    font-family: var(--fl-font-mono);
    font-size: 0.8em;
    color: var(--fl-text);
}

/* ----------------------------------------------------------------------
 * 7. Command-palette search (Phase 3)
 * -------------------------------------------------------------------- */
.search-trigger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-width: 220px;
    height: 38px;
    box-sizing: border-box;
    background: var(--fl-bg-subtle);
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius-md);
    padding: 0 10px;
    color: var(--fl-text-muted);
    font-size: 14px;
    cursor: pointer;
}

/* language toggle matches the search box height */
.lang-dropdown-toggle {
    height: 38px;
    box-sizing: border-box;
}

.search-trigger:hover {
    border-color: var(--fl-text-muted);
}

.search-trigger svg {
    width: 16px;
    height: 16px;
    flex: none;
}

.search-trigger__label {
    flex: 1;
    text-align: left;
}

.search-trigger__kbd {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--fl-border);
    border-radius: 5px;
    padding: 2px 7px;
    font-size: 13px;
    font-family: var(--fl-font-sans);
    line-height: 1;
}

.search-modal[hidden] { display: none; }

.search-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 12vh 16px 16px;
}

.search-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
}

.search-modal__panel {
    position: relative;
    width: min(640px, 100%);
    background: var(--fl-surface);
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius-lg);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
}

.search-modal__field {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    padding: 14px 16px;
    position: relative;
}

.search-modal__field > svg {
    width: 18px;
    height: 18px;
    color: var(--fl-text-muted);
    flex: none;
}

.search-modal__field #search-input {
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    font-size: 16px;
    color: var(--fl-text);
    width: auto;
    padding: 0;
    outline: none;
}

.search-modal__field kbd {
    border: 1px solid var(--fl-border);
    border-radius: 5px;
    padding: 2px 6px;
    font-size: 11px;
    color: var(--fl-text-muted);
    font-family: var(--fl-font-mono);
    cursor: pointer;
}

/* Make the lunr results flow inside the panel */
.search-modal .search-result-dropdown-menu {
    position: static;
    box-shadow: none;
    margin: 0;
    min-width: 0;
    max-width: none;
    width: 100%;
    border: 0;
    border-top: 1px solid var(--fl-border);
}

.search-modal .search-result-dataset {
    border: 0;
    border-radius: 0 0 var(--fl-radius-lg) var(--fl-radius-lg);
    background: var(--fl-surface);
    color: var(--fl-text);
    max-height: 60vh;
}

.search-modal .search-result-document-hit > a { color: var(--fl-text); }
.search-modal .search-result-document-hit > a:hover { background-color: var(--fl-bg-subtle); }

html.search-modal-open { overflow: hidden; }

/* self-contained search results */
.search-modal__results {
    max-height: 60vh;
    overflow-y: auto;
    border-top: 1px solid var(--fl-border);
}

.search-modal__results:empty {
    display: none;
}

.search-modal__result {
    display: block;
    padding: 10px 16px;
    color: var(--fl-text);
    text-decoration: none;
    border-bottom: 1px solid var(--fl-border);
}

.search-modal__result:last-child {
    border-bottom: 0;
}

.search-modal__result:hover,
.search-modal__result.is-selected {
    background: var(--fl-bg-subtle);
}

.search-modal__result-title {
    display: block;
    font-weight: 500;
    color: var(--fl-text);
}

.search-modal__result:hover .search-modal__result-title,
.search-modal__result.is-selected .search-modal__result-title {
    color: var(--fl-brand);
}

.search-modal__result-snippet {
    display: block;
    margin-top: 2px;
    font-size: 13px;
    color: var(--fl-text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.search-modal__result mark {
    background: transparent;
    color: var(--fl-brand-accent);
    font-weight: 600;
}

.search-modal__empty {
    padding: 14px 16px;
    color: var(--fl-text-muted);
    font-size: 14px;
}

/* ----------------------------------------------------------------------
 * 8. Navigation (Phase 3)
 * -------------------------------------------------------------------- */
/* Wider sidebar so longer (e.g. Spanish) labels and the version selector fit */
@media screen and (min-width: 1024px) {
    .nav-container { width: 18rem; }
}

/* More breathing room between items */
.nav-menu { line-height: 1.5; }
.nav-menu .nav-item { position: relative; margin-top: 0.55rem; }
.nav-menu .nav-list { margin-left: 0.85rem; }
.nav-link,
.nav-text { padding: 3px 0; }

.nav-link:hover,
.nav-text:hover {
    color: var(--fl-brand);
}

.nav-item.is-current-page > .nav-link,
.nav-item.is-current-page > .nav-text {
    color: var(--fl-brand);
    font-weight: 600;
}

/* Move the expand caret from the left to the right edge */
.nav-menu .nav-item-toggle {
    left: auto !important;
    right: 0 !important;
    margin: 0 !important;
    top: 0.2em;
    color: var(--fl-text-muted);
}

.nav-item-toggle ~ .nav-link,
.nav-item-toggle ~ .nav-text {
    padding-right: 1.5em;
}

/* ----------------------------------------------------------------------
 * 9. Landing page — hero + cards (Phase 4)
 * -------------------------------------------------------------------- */
.doc .fl-hero {
    margin: 0.5rem 0 2rem;
}

.doc .fl-hero p {
    font-size: 1.3rem;
    line-height: 1.5;
    color: var(--fl-text-muted);
    max-width: 42rem;
    margin: 0;
}

.doc .fl-hero-actions ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin: 1.4rem 0 0;
    padding: 0;
}

.doc .fl-hero-actions li {
    margin: 0 !important;
    padding: 0;
    display: flex;
}

/* the buttons are wrapped in <p> — make it transparent to layout */
.doc .fl-hero-actions li p {
    display: contents;
    margin: 0;
    line-height: 1;
}

.doc .fl-hero-actions li a {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    height: 44px !important;
    min-height: 0;
    padding: 0 18px !important;
    margin: 0 !important;
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius-md);
    text-decoration: none;
    font-weight: 500;
    line-height: 1;
    color: var(--fl-text);
}

/* no external-link marker on the buttons (would change their height) */
.doc .fl-hero-actions li a::after {
    content: none !important;
    display: none !important;
}

.doc .fl-hero-actions li:first-child a {
    background: #368f52;
    color: #fff;
    border-color: transparent;
}

.doc .fl-hero-actions a:hover {
    text-decoration: none;
    border-color: var(--fl-text-muted);
}

.doc .fl-cards ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
    gap: 16px;
    margin: 0 0 2.5rem;
    padding: 0;
}

@media screen and (max-width: 700px) {
    .doc .fl-cards ul {
        grid-template-columns: 1fr;
    }
}

.doc .fl-cards li {
    margin: 0;
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius-lg);
    background: var(--fl-bg-subtle);
    padding: 16px 18px;
    color: var(--fl-text-muted);
    line-height: 1.55;
}

.doc .fl-cards li:hover {
    border-color: var(--fl-brand-accent);
}

.doc .fl-cards li a {
    display: inline-block;
    font-weight: 600;
    font-size: 1.05rem;
    margin-bottom: 0.2rem;
}

/* Alignment fixes: hero actions and cards share the content's left edge,
   no stray indentation from the default open-block / list wrappers. */
.doc .openblock.fl-hero,
.doc .openblock.fl-hero > .content {
    margin: 0;
}

.doc .openblock.fl-hero > .content > .paragraph {
    margin: 0;
}

.doc .ulist.fl-hero-actions,
.doc .ulist.fl-cards {
    margin-left: 0;
    margin-right: 0;
}

.doc .fl-cards ul {
    align-items: stretch;
}

/* keep normal flow inside cards so text top-aligns uniformly across cards */
.doc .fl-cards li {
    display: block;
}

/* beat `.doc .ulist li+li { margin-top:.5rem }` which pushed cards 2/3 down */
.doc .ulist.fl-cards li,
.doc .ulist.fl-cards li + li {
    margin-top: 0;
}

/* ----------------------------------------------------------------------
 * 10. Code block file header (Phase 4)
 * -------------------------------------------------------------------- */
.doc .listingblock > .title {
    margin: 0;
    padding: 8px 14px;
    background: var(--fl-bg-subtle);
    border: 1px solid var(--fl-border);
    border-bottom: 0;
    border-radius: var(--fl-radius-md) var(--fl-radius-md) 0 0;
    font-family: var(--fl-font-mono);
    font-size: 0.8rem;
    font-style: normal;
    font-weight: 500;
    color: var(--fl-text-muted);
}

.doc .listingblock:has(> .title) pre {
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

/* ----------------------------------------------------------------------
 * 11. Tabbed content (Phase 4) — restyle @asciidoctor/tabs to our tokens.
 *     Requires the @asciidoctor/tabs extension + its tabs.css/tabs.js
 *     (see flowset-ui/TABS-SETUP.md). These rules are inert without it.
 * -------------------------------------------------------------------- */
.doc .tabs > .tablist > ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin: 0;
    padding: 0;
    border-bottom: 1px solid var(--fl-border);
}

.doc .tabs > .tablist li {
    margin: 0;
    padding: 8px 14px;
    cursor: pointer;
    color: var(--fl-text-muted);
    border: 1px solid transparent;
    border-bottom: 0;
    border-radius: var(--fl-radius-md) var(--fl-radius-md) 0 0;
}

.doc .tabs > .tablist li.is-selected {
    color: var(--fl-text);
    background: var(--fl-bg-subtle);
    border-color: var(--fl-border);
}

.doc .tabs > .tabpanel {
    border: 1px solid var(--fl-border);
    border-top: 0;
    padding: 1rem 1.1rem;
    border-radius: 0 0 var(--fl-radius-md) var(--fl-radius-md);
}

/* ----------------------------------------------------------------------
 * 12. Accessibility (Phase 5)
 * -------------------------------------------------------------------- */
:where(a, button, input, [tabindex], .nav-link, .search-trigger, .theme-toggle):focus-visible {
    outline: 2px solid var(--fl-brand-accent);
    outline-offset: 2px;
    border-radius: var(--fl-radius-sm);
}

.skip-link {
    position: absolute;
    left: 8px;
    top: -48px;
    z-index: 1100;
    padding: 8px 14px;
    background: var(--fl-surface);
    color: var(--fl-brand);
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius-md);
    text-decoration: none;
    font-weight: 500;
    transition: top 0.15s ease;
}

.skip-link:focus {
    top: 8px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

/* ----------------------------------------------------------------------
 * 13. Header brand + unified action buttons (fixes)
 * -------------------------------------------------------------------- */
.navbar-brand .brand-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.brand-mark {
    height: 30px;
    width: auto;
    flex: none;
}

.brand-name {
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
    color: var(--fl-text);
    white-space: nowrap;
}

/* Right-side icon buttons: same boxed format as the theme toggle */
.header-btn {
    gap: 4px;
    align-items: center;
}

.header-btn a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 8px;
    border: 1px solid transparent;
    border-radius: var(--fl-radius-md);
    background: transparent;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.header-btn a:hover {
    border-color: var(--fl-border);
    background-color: var(--fl-bg-subtle);
}

/* beat search.css `div.header-btn a img { margin-left: 8px }` */
div.header-btn a img {
    margin: 0;
    filter: brightness(0);
    opacity: 0.8;
}

.header-btn a:hover img {
    opacity: 1;
    transform: none;
}

[data-theme="dark"] .header-btn a img { filter: brightness(0) invert(1); opacity: 0.85; }
[data-theme="dark"] .header-btn a:hover img { opacity: 1; }

.theme-toggle .theme-icon { width: 20px; height: 20px; }