/* =========================================================================== astro-ui.css — shared foundation for Template4 / Template5 / Template6 --------------------------------------------------------------------------- Every class is prefixed `au-` and every rule is scoped under `.au-theme` (set on by the Template4/5/6 layouts) so this sheet cannot alter the legacy templates, the search results page, or the ad units. Per-template sheets (template4.css / template5.css / template6.css) only re-declare the tokens below plus a handful of signature rules; the layout and component code lives here once. =========================================================================== */ .au-theme { /* palette ------------------------------------------------------------- */ --au-bg: #ffffff; --au-surface: #f6f8f9; --au-surface-2: #eef1f4; --au-border: #e2e6ea; --au-border-strong: #cdd4db; --au-text: #12161c; --au-text-soft: #48525f; --au-muted: #6b7480; --au-accent: var(--theme-tag-color, #2563eb); /* accent darkened to clear 4.5:1 both as text on white and behind white labels; the flat value is the fallback for engines without color-mix */ --au-accent-strong: #1b4fb8; --au-accent-strong: color-mix(in srgb, var(--au-accent) 72%, #000); --au-accent-ink: #ffffff; --au-footer-bg: var(--theme-footer-color, #16191d); --au-footer-text: rgba(255, 255, 255, 0.72); /* shape & depth -------------------------------------------------------- */ --au-radius: 16px; --au-radius-sm: 10px; --au-radius-pill: 999px; --au-shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 4px 12px rgba(16, 24, 40, 0.05); --au-shadow-lift: 0 2px 4px rgba(16, 24, 40, 0.05), 0 12px 28px rgba(16, 24, 40, 0.09); --au-hairline: 1px solid var(--au-border); /* rhythm --------------------------------------------------------------- */ --au-maxw: 1240px; --au-gutter: 24px; --au-gap: 24px; --au-section-gap: 64px; /* type ----------------------------------------------------------------- */ --au-font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; --au-font-display: var(--au-font); --au-font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace; --au-display-weight: 700; --au-display-tracking: -0.022em; --au-kicker-tracking: 0.08em; background-color: var(--au-bg); color: var(--au-text); font-family: var(--au-font); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; } /* --------------------------------------------------------------------------- primitives --------------------------------------------------------------------------- */ .au-theme .au-wrap { width: 100%; max-width: var(--au-maxw); margin-inline: auto; padding-inline: var(--au-gutter); } .au-theme .au-main { display: block; width: 100%; padding-block: 40px 72px; } .au-theme .au-section + .au-section, .au-theme .au-split + .au-section { margin-top: var(--au-section-gap); } .au-theme .au-section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 22px; } .au-theme .au-section-title { margin: 0; font-family: var(--au-font-display); font-size: clamp(1.15rem, 0.9rem + 0.8vw, 1.5rem); font-weight: var(--au-display-weight); letter-spacing: var(--au-display-tracking); color: var(--au-text); } .au-theme .au-section-link { flex: none; font-size: 0.875rem; font-weight: 600; color: var(--au-accent-strong); text-decoration: none; white-space: nowrap; } .au-theme .au-section-link:hover { text-decoration: underline; text-underline-offset: 3px; } .au-theme .au-kicker { margin: 0 0 8px; font-size: 0.6875rem; font-weight: 700; letter-spacing: var(--au-kicker-tracking); text-transform: uppercase; color: var(--au-accent-strong); } .au-theme .au-meta { margin: 0; font-size: 0.8125rem; color: var(--au-muted); } .au-theme .au-meta > * + *::before { content: "·"; margin-inline: 8px; color: var(--au-border-strong); } /* --------------------------------------------------------------------------- header / nav --------------------------------------------------------------------------- */ .au-theme .au-header { position: sticky; top: 0; z-index: 1030; background-color: color-mix(in srgb, var(--theme-navbar-color, #fff) 88%, transparent); backdrop-filter: saturate(180%) blur(12px); -webkit-backdrop-filter: saturate(180%) blur(12px); border-bottom: var(--au-hairline); } .au-theme .au-header-inner { display: flex; align-items: center; gap: 20px; min-height: 68px; padding-block: 12px; } .au-theme .au-brand { flex: none; display: inline-flex; align-items: center; line-height: 0; } .au-theme .au-brand img { height: 34px; width: auto; max-width: 220px; } .au-theme .au-header-search { flex: 1 1 auto; max-width: 460px; margin-left: auto; } .au-theme .au-field { display: flex; align-items: center; gap: 8px; height: 42px; padding: 0 6px 0 14px; background: var(--au-bg); border: 1px solid var(--au-border-strong); border-radius: var(--au-radius-pill); transition: border-color 0.15s ease, box-shadow 0.15s ease; } .au-theme .au-field:focus-within { border-color: var(--au-accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--au-accent) 18%, transparent); } .au-theme .au-field input { flex: 1 1 auto; min-width: 0; height: 100%; border: 0; outline: 0; background: transparent; font: inherit; font-size: 0.9375rem; color: var(--au-text); } .au-theme .au-field button { flex: none; display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border: 0; border-radius: var(--au-radius-pill); background: var(--au-accent-strong); color: var(--au-accent-ink); cursor: pointer; transition: filter 0.15s ease; } .au-theme .au-field button:hover { filter: brightness(0.92); } .au-theme .au-field button svg { width: 15px; height: 15px; } .au-theme .au-navbar { border-bottom: var(--au-hairline); background: var(--au-bg); } .au-theme .au-nav { display: flex; align-items: center; gap: 4px; overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; padding-block: 8px; } .au-theme .au-nav::-webkit-scrollbar { display: none; } .au-theme .au-nav a { flex: none; padding: 7px 14px; border-radius: var(--au-radius-pill); font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.01em; color: var(--au-text-soft); text-decoration: none; white-space: nowrap; transition: background-color 0.15s ease, color 0.15s ease; } .au-theme .au-nav a:hover { background: var(--au-surface-2); color: var(--au-text); } /* --------------------------------------------------------------------------- cards & grids --------------------------------------------------------------------------- */ .au-theme .au-grid { display: grid; gap: var(--au-gap); grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); } .au-theme .au-grid-2 { display: grid; gap: var(--au-gap); grid-template-columns: repeat(2, minmax(0, 1fr)); } .au-theme .au-grid-3 { display: grid; gap: var(--au-gap); grid-template-columns: repeat(3, minmax(0, 1fr)); } .au-theme .au-split { display: grid; gap: 40px; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); align-items: start; } .au-theme .au-card { display: flex; flex-direction: column; height: 100%; background: var(--au-bg); border: var(--au-hairline); border-radius: var(--au-radius); overflow: hidden; text-decoration: none; color: inherit; transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease; } .au-theme .au-card:hover { transform: translateY(-2px); border-color: var(--au-border-strong); box-shadow: var(--au-shadow-lift); color: inherit; } .au-theme .au-card-media { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; background: var(--au-surface-2); } .au-theme .au-card-body { display: flex; flex-direction: column; gap: 8px; padding: 18px; } .au-theme .au-card-title { margin: 0; font-family: var(--au-font-display); font-size: 1.0625rem; font-weight: var(--au-display-weight); line-height: 1.32; letter-spacing: var(--au-display-tracking); color: var(--au-text); } .au-theme .au-card-text { margin: 0; font-size: 0.9rem; line-height: 1.55; color: var(--au-text-soft); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; } .au-theme .au-card-body .au-meta { margin-top: auto; padding-top: 4px; } /* feature card ------------------------------------------------------------ */ .au-theme .au-feature { position: relative; display: block; border-radius: var(--au-radius); overflow: hidden; text-decoration: none; color: #fff; background: var(--au-surface-2); } .au-theme .au-feature img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform 0.4s ease; } .au-theme .au-feature:hover img { transform: scale(1.03); } .au-theme .au-feature-overlay { position: absolute; inset: auto 0 0 0; padding: 28px 24px 22px; background: linear-gradient(to top, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.15) 65%, transparent); } .au-theme .au-feature-overlay .au-kicker { color: #fff; opacity: 0.85; } .au-theme .au-feature-title { margin: 0; font-family: var(--au-font-display); font-size: clamp(1.25rem, 1rem + 1.2vw, 1.9rem); font-weight: var(--au-display-weight); line-height: 1.22; letter-spacing: var(--au-display-tracking); color: #fff; } /* compact list ------------------------------------------------------------ */ .au-theme .au-list { display: flex; flex-direction: column; gap: 2px; margin: 0; padding: 0; list-style: none; } .au-theme .au-list-item { display: flex; align-items: center; gap: 14px; padding: 12px; margin-inline: -12px; border-radius: var(--au-radius-sm); text-decoration: none; color: inherit; transition: background-color 0.15s ease; } .au-theme .au-list-item:hover { background: var(--au-surface); color: inherit; } .au-theme .au-list-item img { flex: none; width: 76px; height: 62px; object-fit: cover; border-radius: var(--au-radius-sm); background: var(--au-surface-2); } .au-theme .au-list-item h3 { margin: 4px 0 0; font-family: var(--au-font-display); font-size: 0.9375rem; font-weight: 600; line-height: 1.35; letter-spacing: var(--au-display-tracking); color: var(--au-text); } .au-theme .au-list-item .au-kicker { margin-bottom: 0; font-size: 0.625rem; } /* chips / badges ---------------------------------------------------------- */ .au-theme .au-chip { display: inline-block; padding: 5px 11px; border: var(--au-hairline); border-radius: var(--au-radius-pill); font-size: 0.75rem; font-weight: 600; color: var(--au-text-soft); text-decoration: none; background: var(--au-bg); transition: border-color 0.15s ease, color 0.15s ease; } .au-theme .au-chip:hover { border-color: var(--au-accent-strong); color: var(--au-accent-strong); } .au-theme .au-badge { display: inline-block; padding: 5px 10px; border-radius: var(--au-radius-pill); background: var(--au-accent-strong); color: var(--au-accent-ink); font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; } .au-theme .au-badge-float { position: absolute; top: 14px; left: 14px; z-index: 2; } /* --------------------------------------------------------------------------- article --------------------------------------------------------------------------- */ .au-theme .au-article { max-width: 760px; margin-inline: auto; } .au-theme .au-breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0 0 24px; padding: 0; list-style: none; font-size: 0.8125rem; color: var(--au-muted); } .au-theme .au-breadcrumb a { color: var(--au-muted); text-decoration: none; } .au-theme .au-breadcrumb a:hover { color: var(--au-accent-strong); } .au-theme .au-breadcrumb li + li::before { content: "/"; margin-right: 8px; color: var(--au-border-strong); } .au-theme .au-breadcrumb .au-current { color: var(--au-text-soft); max-width: 42ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } .au-theme .au-article-title { margin: 0 0 16px; font-family: var(--au-font-display); font-size: clamp(1.75rem, 1.2rem + 2.2vw, 2.75rem); font-weight: var(--au-display-weight); line-height: 1.15; letter-spacing: var(--au-display-tracking); color: var(--au-text); } .au-theme .au-article-hero { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--au-radius); margin: 28px 0 8px; background: var(--au-surface-2); } .au-theme .au-prose { font-size: 1.0625rem; line-height: 1.75; color: var(--au-text-soft); } .au-theme .au-prose > * { margin-block: 0 1.15em; } .au-theme .au-prose h2, .au-theme .au-prose h3, .au-theme .au-prose h4 { margin-top: 1.9em; margin-bottom: 0.6em; font-family: var(--au-font-display); font-weight: var(--au-display-weight); line-height: 1.3; letter-spacing: var(--au-display-tracking); color: var(--au-text); } .au-theme .au-prose h2 { font-size: 1.5rem; } .au-theme .au-prose h3 { font-size: 1.25rem; } .au-theme .au-prose h4 { font-size: 1.0625rem; } .au-theme .au-prose img { width: 100%; height: auto; border-radius: var(--au-radius); } .au-theme .au-prose a { color: var(--au-accent-strong); text-underline-offset: 2px; } .au-theme .au-prose ul, .au-theme .au-prose ol { padding-left: 1.35em; } .au-theme .au-prose li { margin-bottom: 0.5em; } .au-theme .au-prose blockquote { margin-inline: 0; padding: 4px 0 4px 20px; border-left: 3px solid var(--au-accent); color: var(--au-text); font-style: italic; } .au-theme .au-author { display: flex; align-items: center; gap: 16px; margin-top: 48px; padding: 22px; background: var(--au-surface); border: var(--au-hairline); border-radius: var(--au-radius); } .au-theme .au-author img { flex: none; width: 56px; height: 56px; border-radius: var(--au-radius-pill); object-fit: cover; } .au-theme .au-author h3 { margin: 0 0 4px; font-size: 0.9375rem; font-weight: 700; color: var(--au-text); } .au-theme .au-author p { margin: 0; font-size: 0.875rem; line-height: 1.55; color: var(--au-muted); } .au-theme .au-notice { max-width: 560px; margin: 72px auto; padding: 40px 32px; text-align: center; background: var(--au-surface); border: var(--au-hairline); border-radius: var(--au-radius); } .au-theme .au-notice h1 { margin: 0 0 10px; font-family: var(--au-font-display); font-size: 1.375rem; font-weight: var(--au-display-weight); letter-spacing: var(--au-display-tracking); } .au-theme .au-notice p { margin: 0; color: var(--au-muted); } .au-theme .au-spinner { width: 26px; height: 26px; margin: 22px auto 0; border: 2px solid var(--au-border-strong); border-top-color: var(--au-accent); border-radius: 50%; animation: au-spin 0.8s linear infinite; } @keyframes au-spin { to { transform: rotate(360deg); } } /* --------------------------------------------------------------------------- page header + pagination --------------------------------------------------------------------------- */ .au-theme .au-page-head { padding-block: 44px 8px; border-bottom: var(--au-hairline); margin-bottom: 40px; } .au-theme .au-page-title { margin: 0 0 10px; font-family: var(--au-font-display); font-size: clamp(1.6rem, 1.1rem + 2vw, 2.4rem); font-weight: var(--au-display-weight); letter-spacing: var(--au-display-tracking); line-height: 1.15; } .au-theme .au-page-lead { margin: 0 0 24px; max-width: 62ch; font-size: 1rem; line-height: 1.65; color: var(--au-muted); } .au-theme .au-chip-row { display: flex; flex-wrap: wrap; gap: 8px; padding-bottom: 24px; } .au-theme .au-pagination { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 6px; margin-top: 56px; } .au-theme .au-pagination a, .au-theme .au-pagination span { min-width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center; padding-inline: 12px; border: var(--au-hairline); border-radius: var(--au-radius-sm); font-size: 0.875rem; font-weight: 600; color: var(--au-text-soft); text-decoration: none; background: var(--au-bg); } .au-theme .au-pagination a:hover { border-color: var(--au-accent-strong); color: var(--au-accent-strong); } .au-theme .au-pagination .au-page-current { background: var(--au-accent-strong); border-color: var(--au-accent-strong); color: var(--au-accent-ink); } .au-theme .au-pagination .au-page-disabled { opacity: 0.45; } /* --------------------------------------------------------------------------- newsletter panel --------------------------------------------------------------------------- */ .au-theme .au-panel { padding: 44px 32px; text-align: center; background: var(--au-surface); border: var(--au-hairline); border-radius: var(--au-radius); } .au-theme .au-panel h2 { margin: 0 0 8px; font-family: var(--au-font-display); font-size: clamp(1.25rem, 1rem + 1vw, 1.65rem); font-weight: var(--au-display-weight); letter-spacing: var(--au-display-tracking); } .au-theme .au-panel p { margin: 0 auto 24px; max-width: 52ch; color: var(--au-muted); } .au-theme .au-panel form { display: flex; gap: 8px; max-width: 420px; margin-inline: auto; } .au-theme .au-panel input { flex: 1 1 auto; min-width: 0; height: 44px; padding-inline: 16px; border: 1px solid var(--au-border-strong); border-radius: var(--au-radius-pill); background: var(--au-bg); font: inherit; font-size: 0.9375rem; color: var(--au-text); } .au-theme .au-panel input:focus { outline: 0; border-color: var(--au-accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--au-accent) 18%, transparent); } .au-theme .au-btn { flex: none; display: inline-flex; align-items: center; justify-content: center; height: 44px; padding-inline: 22px; border: 0; border-radius: var(--au-radius-pill); background: var(--au-accent-strong); color: var(--au-accent-ink); font: inherit; font-size: 0.9375rem; font-weight: 600; cursor: pointer; text-decoration: none; transition: filter 0.15s ease; } .au-theme .au-btn:hover { filter: brightness(0.92); color: var(--au-accent-ink); } /* --------------------------------------------------------------------------- footer --------------------------------------------------------------------------- */ .au-theme .au-footer { margin-top: 0; padding-block: 48px 36px; background: var(--au-footer-bg); color: var(--au-footer-text); } .au-theme .au-footer-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; padding-bottom: 28px; border-bottom: 1px solid rgba(255, 255, 255, 0.12); } /* the wordmarks are dark-on-transparent, so the footer gives them a light plate instead of letting them disappear into the dark background */ .au-theme .au-footer-brand { display: inline-flex; align-items: center; padding: 10px 16px; background: #fff; border-radius: var(--au-radius-sm); line-height: 0; } .au-theme .au-footer-brand img { height: 28px; width: auto; } .au-theme .au-footer-nav { display: flex; flex: 1 1 auto; flex-wrap: wrap; justify-content: flex-end; gap: 6px 22px; margin: 0; padding: 0; list-style: none; } .au-theme .au-footer-nav a { font-size: 0.875rem; color: var(--au-footer-text); text-decoration: none; } .au-theme .au-footer-nav a:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; } .au-theme .au-footer-fine { margin: 0; padding-top: 26px; font-size: 0.8125rem; line-height: 1.6; color: rgba(255, 255, 255, 0.55); } .au-theme .au-footer-fine + .au-footer-fine { padding-top: 8px; max-width: 78ch; } /* --------------------------------------------------------------------------- responsive --------------------------------------------------------------------------- */ @media (max-width: 991.98px) { .au-theme .au-split { grid-template-columns: minmax(0, 1fr); gap: 48px; } .au-theme .au-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } } @media (max-width: 767.98px) { .au-theme { --au-gutter: 16px; --au-gap: 18px; --au-section-gap: 48px; } .au-theme .au-header-inner { flex-wrap: wrap; min-height: 0; gap: 12px; } .au-theme .au-header-search { order: 3; flex-basis: 100%; max-width: none; margin-left: 0; } .au-theme .au-brand img { height: 28px; } .au-theme .au-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); } .au-theme .au-grid-2, .au-theme .au-grid-3 { grid-template-columns: minmax(0, 1fr); } .au-theme .au-main { padding-block: 28px 56px; } .au-theme .au-panel { padding: 32px 20px; } .au-theme .au-panel form { flex-direction: column; } .au-theme .au-panel input, .au-theme .au-panel .au-btn { width: 100%; } .au-theme .au-author { flex-direction: column; align-items: flex-start; } } @media (max-width: 479.98px) { .au-theme .au-grid { grid-template-columns: minmax(0, 1fr); } .au-theme .au-list-item img { width: 64px; height: 54px; } }