/* =========================================================
   SimpleSidebar — a Publii theme
   ========================================================= */

:root {
    /* injected from Theme Settings (head.hbs): --accent, --sidebar-width,
       --content-max, --base-size. Fallbacks below. */
    --accent: #2563eb;
    --sidebar-width: 320px;
    --content-max: 720px;
    --base-size: 18px;

    --gap: 48px;
    --container-max: 1140px;
    --radius: 12px;

    /* Light theme colors */
    --text: #1f2430;
    --text-soft: #384150;
    --muted: #6b7280;
    --border: #e6e8ec;
    --bg: #ffffff;
    --bg-soft: #f6f7f9;
    --card: #ffffff;
    --shadow: 0 1px 2px rgba(16,24,40,.04), 0 8px 24px rgba(16,24,40,.06);

    --font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
    --font-serif: Georgia, Cambria, "Times New Roman", Times, serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

    --font: var(--font-system);
    --font-heading: var(--font);
}

[data-theme="dark"] {
    --text: #e8eaed;
    --text-soft: #c7ccd4;
    --muted: #9aa3b2;
    --border: #2a2f3a;
    --bg: #14171f;
    --bg-soft: #1b1f29;
    --card: #1b1f29;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
}

/* Font choices (body classes) */
.font-system { --font: var(--font-system); }
.font-serif  { --font: var(--font-serif); }
.font-mono   { --font: var(--font-mono); }
.heading-body { --font-heading: var(--font); }
.heading-serif { --font-heading: var(--font-serif); }
.heading-sans { --font-heading: var(--font-system); }

/* Sidebar presence drives container width */
body.has-sidebar { --container-max: calc(var(--content-max) + var(--sidebar-width) + var(--gap)); }
body.no-sidebar  { --container-max: var(--content-max); }

/* ---- Reset / base --------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font);
    font-size: var(--base-size);
    line-height: 1.65;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    transition: background-color .2s ease, color .2s ease;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.25; color: var(--text); margin: 0 0 .5em; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0 0 1.1em; }

/* ---- Layout --------------------------------------------- */
.container { max-width: var(--container-max); margin-inline: auto; padding-inline: 24px; }
.site-main { padding: 48px 0 72px; }
.layout { display: flex; gap: var(--gap); align-items: flex-start; }
.layout__content { flex: 1 1 auto; min-width: 0; }
body.sidebar-left .layout { flex-direction: row-reverse; }
.sidebar { flex: 0 0 var(--sidebar-width); width: var(--sidebar-width); }
body.sidebar-sticky .sidebar__inner { position: sticky; top: 24px; }
.section-title { font-size: 1.4rem; margin: 0 0 20px; }

/* ---- Announcement bar ----------------------------------- */
.announcement { background: var(--accent); color: #fff; text-align: center; font-size: .92rem; }
.announcement .container { padding-block: 9px; }
.announcement a, .announcement span { color: #fff; }
.announcement a:hover { text-decoration: underline; }

/* ---- Header --------------------------------------------- */
.site-header { border-bottom: 1px solid var(--border); background: var(--bg); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 20px; flex-wrap: wrap; }
.site-header__right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.site-brand { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.site-brand__name { font-size: 1.4rem; font-weight: 800; color: var(--text); letter-spacing: -0.02em; }
.site-brand__name:hover { text-decoration: none; color: var(--accent); }
.site-brand__logo img { max-height: 44px; width: auto; }
.site-brand__tagline { margin: 0; color: var(--muted); font-size: .95rem; }

body.header-centered .site-header__inner { flex-direction: column; text-align: center; }
body.header-centered .site-brand { justify-content: center; }
body.header-centered .site-header__right { justify-content: center; }

/* ---- Theme toggle --------------------------------------- */
.theme-toggle { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg-soft); color: var(--text); cursor: pointer; transition: border-color .15s, color .15s; }
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle__sun { display: none; }
.theme-toggle__moon { display: block; }
[data-theme="dark"] .theme-toggle__sun { display: block; }
[data-theme="dark"] .theme-toggle__moon { display: none; }

/* ---- Menus ---------------------------------------------- */
.menu { list-style: none; margin: 0; padding: 0; display: flex; gap: 6px; flex-wrap: wrap; }
.site-nav .menu__link { display: inline-block; padding: 6px 12px; border-radius: 8px; color: var(--text); font-weight: 600; font-size: .98rem; }
.site-nav .menu__link:hover { background: var(--bg-soft); text-decoration: none; }
.site-nav .menu__item.current .menu__link, .site-nav .menu__item.active .menu__link { color: var(--accent); }
.menu__submenu { list-style: none; margin: 4px 0 0; padding: 0 0 0 12px; display: flex; flex-direction: column; gap: 2px; }

/* ---- Social icons --------------------------------------- */
.social { list-style: none; margin: 0; padding: 0; display: flex; gap: 8px; flex-wrap: wrap; }
.social a { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 9px; background: var(--bg-soft); color: var(--text); border: 1px solid var(--border); transition: color .15s, border-color .15s, transform .15s; }
.social a:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; transform: translateY(-1px); }

/* ---- Featured / related grids --------------------------- */
.featured { margin-bottom: 48px; padding-bottom: 40px; border-bottom: 1px solid var(--border); }
.featured__grid, .related__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 24px; }
.featured-card__image { display: block; border-radius: var(--radius); overflow: hidden; margin-bottom: 12px; }
.featured-card__image img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform .35s ease; }
.featured-card__image:hover img { transform: scale(1.04); }
.featured-card__title { font-size: 1.1rem; margin: 0 0 6px; line-height: 1.3; }
.featured-card__title a { color: var(--text); }
.featured-card__title a:hover { color: var(--accent); text-decoration: none; }
.featured-card__date { color: var(--muted); font-size: .82rem; }
.related { margin-top: 48px; padding-top: 40px; border-top: 1px solid var(--border); }

/* ---- Post list ------------------------------------------ */
.home-intro { margin-bottom: 40px; padding-bottom: 28px; border-bottom: 1px solid var(--border); font-size: 1.15rem; color: var(--muted); }
.post-list { display: flex; flex-direction: column; gap: 40px; }
.post-card { display: flex; flex-direction: column; gap: 16px; }
.post-card__image { display: block; border-radius: var(--radius); overflow: hidden; }
.post-card__image img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform .35s ease; }
.post-card__image:hover img { transform: scale(1.03); }
.post-card__title { font-size: 1.6rem; margin: 0; }
.post-card__title a { color: var(--text); }
.post-card__title a:hover { color: var(--accent); text-decoration: none; }
.post-card__meta { color: var(--muted); font-size: .9rem; margin: 6px 0 10px; }
.post-card__excerpt { margin: 0 0 14px; color: var(--text-soft); }
.post-card__content { color: var(--text-soft); }
.post-card__more { font-weight: 600; font-size: .95rem; }
.post-card + .post-card { border-top: 1px solid var(--border); padding-top: 40px; }
.post-list--full .post-card__title { font-size: 1.9rem; }

/* ---- Single post ---------------------------------------- */
.post__header { margin-bottom: 28px; }
.post__title { font-size: 2.4rem; }
.post__meta { color: var(--muted); font-size: .95rem; }
.post__meta a { color: var(--muted); text-decoration: underline; }
.post__reading-time::before { content: "·"; margin: 0 .45em; }
.post__featured { margin: 0 0 32px; border-radius: var(--radius); overflow: hidden; }
.post__featured figcaption { color: var(--muted); font-size: .85rem; padding: 8px 2px 0; text-align: center; }
.post__content { font-size: 1.08rem; }
.post__content h2 { font-size: 1.7rem; margin-top: 1.6em; }
.post__content h3 { font-size: 1.35rem; margin-top: 1.4em; }
.post__content img { border-radius: var(--radius); margin: 1.4em 0; }
.post__content a { text-decoration: underline; }
.post__content blockquote { margin: 1.6em 0; padding: 4px 0 4px 22px; border-left: 4px solid var(--accent); color: var(--muted); font-style: italic; }
.post__content pre { background: #0f172a; color: #e2e8f0; padding: 18px 20px; border-radius: var(--radius); overflow-x: auto; font-size: .9rem; line-height: 1.5; }
.post__content code { background: var(--bg-soft); padding: .15em .4em; border-radius: 6px; font-size: .9em; }
.post__content pre code { background: none; padding: 0; }
.post__content ul, .post__content ol { padding-left: 1.4em; }
.post__content hr { border: 0; border-top: 1px solid var(--border); margin: 2.4em 0; }
.post__content table { width: 100%; border-collapse: collapse; margin: 1.4em 0; }
.post__content th, .post__content td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; }
.post__footer { margin-top: 36px; }

/* ---- Share ---------------------------------------------- */
.post__share { display: flex; align-items: center; gap: 12px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--border); }
.post__share-label { font-weight: 600; font-size: .9rem; color: var(--muted); }
.share { display: flex; gap: 8px; }
.share__btn { position: relative; display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border: 1px solid var(--border); border-radius: 9px; background: var(--bg-soft); color: var(--text); cursor: pointer; transition: color .15s, border-color .15s; }
.share__btn:hover { color: var(--accent); border-color: var(--accent); }
.share__copied { position: absolute; bottom: calc(100% + 6px); left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); font-size: .72rem; padding: 3px 8px; border-radius: 6px; opacity: 0; pointer-events: none; white-space: nowrap; transition: opacity .15s; }
.share__btn--copy.is-copied .share__copied { opacity: 1; }

/* ---- Author bio ----------------------------------------- */
.author-bio { display: flex; gap: 20px; align-items: flex-start; margin-top: 48px; padding: 24px; background: var(--bg-soft); border-radius: var(--radius); }
.author-bio__avatar { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; flex: 0 0 auto; }
.author-bio__name { font-size: 1.15rem; margin: 0 0 4px; }
.author-bio__name a { color: var(--text); }
.author-bio__desc { color: var(--muted); font-size: .96rem; }
.author-bio__desc p:last-child { margin-bottom: 0; }

/* ---- Prev / next ---------------------------------------- */
.post-nav { display: flex; justify-content: space-between; gap: 20px; margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--border); }
.post-nav__link { display: flex; flex-direction: column; gap: 4px; max-width: 48%; }
.post-nav__next { text-align: right; margin-left: auto; align-items: flex-end; }
.post-nav__dir { font-size: .8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.post-nav__title { font-weight: 600; color: var(--text); }
.post-nav__link:hover .post-nav__title { color: var(--accent); }
.post-nav__link:hover { text-decoration: none; }

/* ---- Comments ------------------------------------------- */
.comments { margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--border); }

/* ---- Archive headers ------------------------------------ */
.archive-header { margin-bottom: 40px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.archive-header__label { text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; color: var(--muted); margin: 0 0 4px; }
.archive-header__title { font-size: 2.2rem; margin: 0; }
.archive-header__author { display: flex; align-items: center; gap: 16px; }
.archive-header__avatar { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; }
.archive-header__desc { margin-top: 12px; color: var(--muted); }

/* ---- Widgets -------------------------------------------- */
.widget + .widget { margin-top: 36px; }
.widget__title { font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 0 14px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.widget__image { border-radius: var(--radius); margin-bottom: 14px; }
.widget__text { font-size: .96rem; color: var(--text-soft); }
.widget__text p:last-child { margin-bottom: 0; }
.widget__list { list-style: none; margin: 0; padding: 0; }
.widget__list-item { padding: 10px 0; border-bottom: 1px solid var(--border); }
.widget__list-item:first-child { padding-top: 0; }
.widget__list-item:last-child { border-bottom: 0; padding-bottom: 0; }
.widget__list-link { display: block; font-weight: 600; color: var(--text); line-height: 1.35; }
.widget__list-link:hover { color: var(--accent); text-decoration: none; }
.widget__list-date { display: block; font-size: .8rem; color: var(--muted); margin-top: 2px; }
.widget--menu .menu { flex-direction: column; gap: 2px; }
.widget--menu .menu__link { display: block; padding: 6px 0; color: var(--text); font-weight: 500; }
.widget--menu .menu__link:hover { color: var(--accent); text-decoration: none; }

/* ---- Tag cloud ------------------------------------------ */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud__item { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 999px; font-size: .85rem; color: var(--text); font-weight: 500; }
.tag-cloud__item:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.tag-cloud__count { color: var(--muted); font-size: .78rem; }
.tag-cloud--large .tag-cloud__item { padding: 8px 16px; font-size: .95rem; }

/* ---- Buttons -------------------------------------------- */
.btn { display: inline-block; padding: 11px 22px; background: var(--accent); color: #fff; border-radius: 10px; font-weight: 600; }
.btn:hover { text-decoration: none; filter: brightness(.94); }

/* ---- Reading progress + back to top --------------------- */
.reading-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; background: transparent; z-index: 60; }
.reading-progress__bar { display: block; height: 100%; width: 0; background: var(--accent); }
.back-to-top { position: fixed; right: 22px; bottom: 22px; width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--border); border-radius: 50%; background: var(--card); color: var(--text); box-shadow: var(--shadow); cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity .2s, transform .2s, visibility .2s; z-index: 55; }
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { color: var(--accent); border-color: var(--accent); }

/* ---- 404 ------------------------------------------------ */
.error-page { text-align: center; padding: 60px 0; }
.error-page__code { font-size: 5rem; font-weight: 800; color: var(--accent); margin: 0; line-height: 1; }
.error-page__title { font-size: 1.8rem; margin: 8px 0 12px; }
.error-page__text { color: var(--muted); margin-bottom: 28px; }

/* ---- Footer --------------------------------------------- */
.site-footer { border-top: 1px solid var(--border); margin-top: 40px; background: var(--bg-soft); }
.site-footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 28px; flex-wrap: wrap; }
.footer-nav .menu__link { color: var(--muted); font-size: .92rem; padding: 4px 8px; }
.footer-nav .menu__link:hover { color: var(--accent); text-decoration: none; }
.site-footer__copy { color: var(--muted); font-size: .9rem; }
.site-footer__copy p { margin: 0; }

/* ---- Responsive ----------------------------------------- */
@media (max-width: 880px) {
    .layout, body.sidebar-left .layout { flex-direction: column; }
    .sidebar { flex-basis: auto; width: 100%; margin-top: 8px; padding-top: 40px; border-top: 1px solid var(--border); }
    body.sidebar-sticky .sidebar__inner { position: static; }
    .post__title { font-size: 1.9rem; }
    .post-card__title { font-size: 1.4rem; }
}
@media (max-width: 520px) {
    .site-header__inner { flex-direction: column; align-items: flex-start; gap: 14px; }
    body.header-centered .site-header__inner { align-items: center; }
    .site-header__right { width: 100%; justify-content: space-between; }
    .post-nav { flex-direction: column; }
    .post-nav__link, .post-nav__next { max-width: 100%; text-align: left; align-items: flex-start; margin-left: 0; }
}