/* ========================================================================== SaigonNezumi Theme - Design Tokens & Stylesheet Fusion of Vietnamese (Đỏ son, Vàng hoàng, Chàm) & Japanese (Sumi, Washi, Ai) WCAG 2.2 Level AAA Compliant (Normal text >= 7:1, Large >= 4.5:1, UI >= 3:1) ========================================================================== */ /* ================================================================================ CONTRAST PAIRS TABLE (checked by tools/check_contrast.py for WCAG 2.2 AAA) Format: FOREGROUND | BACKGROUND | MIN_RATIO | ROLE | DESCRIPTION -------------------------------------------------------------------------------- --color-text | --color-bg-page | 7.0 | normal-text | Body text on page canvas --color-text | --color-bg-card | 7.0 | normal-text | Body text on card surface --color-text | --color-bg-header | 7.0 | normal-text | Site title/header text --color-text | --color-bg-footer | 7.0 | normal-text | Footer text on footer surface --color-text-muted | --color-bg-page | 7.0 | normal-text | Muted text (dates/meta) on page --color-text-muted | --color-bg-card | 7.0 | normal-text | Muted text on card surface --color-text-muted | --color-bg-footer | 7.0 | normal-text | Muted text on footer surface --color-heading | --color-bg-page | 4.5 | large-text | Headings on page canvas --color-heading | --color-bg-card | 4.5 | large-text | Headings on card surface --color-link | --color-bg-page | 7.0 | normal-text | Links on page canvas --color-link | --color-bg-card | 7.0 | normal-text | Links on card surface --color-link | --color-bg-footer | 7.0 | normal-text | Links on footer surface --color-link-visited | --color-bg-page | 7.0 | normal-text | Visited links on page canvas --color-link-visited | --color-bg-card | 7.0 | normal-text | Visited links on card surface --color-link-hover | --color-bg-page | 7.0 | normal-text | Link hover state on page canvas --color-link-hover | --color-bg-card | 7.0 | normal-text | Link hover state on card surface --color-link-focus | --color-bg-page | 7.0 | normal-text | Link focus state on page canvas --color-link | --color-bg-header | 7.0 | normal-text | Links on header surface --color-link-visited | --color-bg-header | 7.0 | normal-text | Visited links on header surface --color-link-visited | --color-bg-footer | 7.0 | normal-text | Visited links on footer surface --color-link-hover | --color-bg-header | 7.0 | normal-text | Link hover state on header surface --color-link-hover | --color-bg-footer | 7.0 | normal-text | Link hover state on footer surface --color-link-focus | --color-bg-card | 7.0 | normal-text | Link focus state on card surface --color-link-focus | --color-bg-header | 7.0 | normal-text | Link focus state on header surface --color-link-focus | --color-bg-footer | 7.0 | normal-text | Link focus state on footer surface --color-link | --color-bg-quote | 7.0 | normal-text | Links inside a blockquote --color-link-visited | --color-bg-quote | 7.0 | normal-text | Visited links inside a blockquote --color-link-hover | --color-bg-quote | 7.0 | normal-text | Link hover state inside a blockquote --color-code-text | --color-bg-code | 7.0 | normal-text | Code text on code background --color-quote-text | --color-bg-quote | 7.0 | normal-text | Quote text on quote background --color-tag-text | --color-bg-tag | 7.0 | normal-text | Tag text on tag chip surface --color-button-text | --color-bg-button | 7.0 | normal-text | Button text on button background --color-button-hover-text | --color-bg-button-hover | 7.0 | normal-text | Button hover text on hover background --color-input-text | --color-bg-input | 7.0 | normal-text | Form input text on input field --color-text-disabled | --color-bg-disabled | 4.5 | disabled-text | Disabled input/button text --color-focus | --color-bg-page | 3.0 | focus-indicator | Focus outline against page canvas --color-focus | --color-bg-card | 3.0 | focus-indicator | Focus outline against card surface --color-focus | --color-bg-header | 3.0 | focus-indicator | Focus outline against header --color-focus | --color-bg-footer | 3.0 | focus-indicator | Focus outline against footer --color-border | --color-bg-page | 3.0 | ui-border | General divider/rule on page --color-border-card | --color-bg-page | 3.0 | ui-border | Card boundary on page canvas --color-border-input | --color-bg-page | 3.0 | ui-border | Form input border against page --color-border-input | --color-bg-input | 3.0 | ui-border | Form input border against input field --color-border-quote | --color-bg-quote | 3.0 | ui-border | Blockquote decorative border --color-border-tag | --color-bg-page | 3.0 | ui-border | Tag chip border against page --color-border-table | --color-bg-card | 3.0 | ui-border | Table cell border against table surface --color-border-disabled | --color-bg-disabled | 3.0 | disabled-border | Disabled control border --color-bg-button | --color-bg-page | 3.0 | ui-component | Button surface boundary on page --color-bg-button-hover | --color-bg-page | 3.0 | ui-component | Button hover surface boundary on page --color-heading | --color-bg-header | 4.5 | large-text | Headings on header surface --color-heading | --color-bg-footer | 4.5 | large-text | Headings on footer surface --color-heading | --color-bg-footer | 4.5 | large-text | Headings on table header --color-text-placeholder | --color-bg-input | 7.0 | normal-text | Placeholder text on input field --color-text-selection | --color-bg-selection | 7.0 | normal-text | Selection text on selection background --color-focus | --color-focus-inner | 3.0 | focus-indicator | Outer focus ring on inner ring --color-focus-inner | --color-bg-button | 3.0 | focus-indicator | Inner focus ring on button surface --color-focus-inner | --color-bg-button-hover | 3.0 | focus-indicator | Inner focus ring on button hover --color-focus | --color-bg-tag | 3.0 | focus-indicator | Focus ring against tag chip --color-focus | --color-bg-input | 3.0 | focus-indicator | Focus ring against input field --color-focus | --color-bg-code | 3.0 | focus-indicator | Focus ring against code block --color-focus | --color-bg-quote | 3.0 | focus-indicator | Focus ring against quote callout --color-link-hover | --color-bg-tag | 7.0 | normal-text | Tag link hover on tag chip --color-border | --color-bg-code | 3.0 | ui-border | Code block border against code surface --color-border | --color-bg-card | 3.0 | ui-border | Border against card surface for frames --color-border-table | --color-bg-footer | 3.0 | ui-border | Table cell border against table header --color-text | --color-bg-tag | 7.0 | normal-text | Sidebar and nav hover or current item --color-text-muted | --color-bg-tag | 7.0 | normal-text | Sidebar counts on a hovered or current item --color-heading | --color-bg-tag | 4.5 | large-text | Current nav item heading colour on tag surface ================================================================================ */ /* Lexend (SIL OFL 1.1, see ../fonts/OFL.txt), self-hosted variable font, weights 300-700. Three unicode-range subsets so a page only downloads what it uses; Vietnamese gets its own. */ @font-face { font-family: "Lexend"; font-style: normal; font-weight: 300 700; font-display: swap; src: url("../fonts/lexend-vietnamese.e3c313092df5.woff2") format("woff2"); unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB; } @font-face { font-family: "Lexend"; font-style: normal; font-weight: 300 700; font-display: swap; src: url("../fonts/lexend-latin-ext.a981ad4865c7.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; } @font-face { font-family: "Lexend"; font-style: normal; font-weight: 300 700; font-display: swap; src: url("../fonts/lexend-latin.7e692144d823.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; } :root { color-scheme: light dark; /* Typography: self-hosted Lexend first, system stack as the fallback (and for CJK glyphs) */ --font-body: "Lexend", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", system-ui, sans-serif; --font-heading: "Lexend", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", system-ui, sans-serif; --font-mono: ui-monospace, "SF Mono", Menlo, Monaco, Consolas, "Hiragino Kaku Gothic ProN", monospace; /* Font sizing & rhythm: body at least 18px (1.125rem), line-height at least 1.5 */ --font-size-base: 1.125rem; /* 18px */ --line-height-base: 1.6; /* -------------------------------------------------------------------------- LIGHT SCHEME TOKENS (Washi & Sumi Editorial Palette) -------------------------------------------------------------------------- */ /* Surfaces */ --color-bg-page: #faf7f2; /* Washi / Kinari off-white paper */ --color-bg-card: #ffffff; /* Crisp white card surface */ --color-bg-header: #faf7f2; /* Header surface matching washi canvas */ --color-bg-footer: #f2ece1; /* Aged washi / subtle tea-wash footer */ --color-bg-code: #f2ece1; /* Code block background */ --color-bg-quote: #f6f1e8; /* Blockquote callout background */ --color-bg-tag: #ede6d8; /* Tag chip background */ --color-bg-button: #0f3d68; /* Chàm / Ai deep indigo dye */ --color-bg-button-hover: #701515; /* Sơn son / Shu deep lacquer vermilion */ --color-bg-input: #ffffff; /* Form input background */ --color-bg-disabled: #e8e2d8; /* Disabled background */ --color-bg-selection: #0f3d68; /* Deep indigo selection highlight */ /* Text & Typography */ --color-text: #161514; /* Sumi ink charcoal black (17.07:1 on washi) */ --color-text-muted: #44403c; /* Deep nezumi ink wash (9.61:1 on washi) */ --color-heading: #161514; /* Sumi ink black headings */ --color-link: #0f3d68; /* Chàm indigo link (10.41:1 on washi) */ --color-link-visited: #5c2070; /* Tử quy / Murasaki violet (10.37:1 on washi) */ --color-link-hover: #881313; /* Sơn son lacquer red hover (9.14:1 on washi) */ --color-link-focus: #881313; /* Link focus state */ --color-button-text: #ffffff; /* White text on indigo button (11.12:1) */ --color-button-hover-text: #ffffff;/* White text on lacquer red button (11.62:1) */ --color-code-text: #161514; /* Code monospace sumi ink */ --color-quote-text: #161514; /* Quote text */ --color-tag-text: #161514; /* Tag chip text */ --color-input-text: #161514; /* Input field text */ --color-text-disabled: #484542; /* Disabled control text (7.39:1) */ --color-text-placeholder: #57534e;/* Muted placeholder text (7.63:1 on white) */ --color-text-selection: #ffffff; /* High contrast selection text (11.12:1) */ /* Borders & UI Indicators */ --color-border: #78716c; /* Warm stone / nezumi divider (4.49:1) */ --color-border-card: #78716c; /* Card container border */ --color-border-input: #78716c; /* Form input boundary (4.49:1) */ --color-border-quote: #881313; /* Sơn son lacquer red accent bar (8.68:1) */ --color-border-tag: #78716c; /* Tag chip border (4.49:1) */ --color-border-table: #78716c; /* Table border (4.80:1 on card) */ --color-border-disabled: #78716c; /* Disabled border (3.72:1) */ --color-focus: #854d0e; /* Vàng hoàng / Kintsugi lacquer gold (6.41:1) */ --color-focus-inner: #ffffff; /* Inner focus contrast ring for buttons (11.12:1) */ } /* ---------------------------------------------------------------------------- DARK SCHEME TOKENS - DATA-THEME EXPLICIT OVERRIDE Urushi Night & Silk Palette (Vietnamese & Japanese Heritage) ---------------------------------------------------------------------------- */ :root[data-theme="dark"] { /* Surfaces */ --color-bg-page: #121211; /* Deep Sumi / Urushi warm black lacquer canvas */ --color-bg-card: #1c1b19; /* Elevated slate lacquer card surface */ --color-bg-header: #121211; /* Header surface matching canvas */ --color-bg-footer: #181716; /* Subtly elevated footer */ --color-bg-code: #242220; /* Smoked bamboo code background */ --color-bg-quote: #191817; /* Quote callout surface */ --color-bg-tag: #272522; /* Tag chip surface */ --color-bg-button: #70ade6; /* Chàm / Ai botanical indigo silk tint */ --color-bg-button-hover: #b6d5f2; /* Highlighted botanical indigo button hover */ --color-bg-input: #1c1b19; /* Input background */ --color-bg-disabled: #22201e; /* Disabled control surface */ --color-bg-selection: #70ade6; /* Selection highlight (botanical indigo silk) */ /* Text & Typography */ --color-text: #faf7f2; /* Washi cream / raw silk (17.54:1) */ --color-text-muted: #d6d3cd; /* River stone pale washi (12.55:1) */ --color-heading: #faf7f2; /* Silk ivory headings */ --color-link: #70ade6; /* Chàm / Ai botanical indigo silk link */ --color-link-visited: #ddb6fc; /* Tử Quy / Murasaki wisteria violet */ --color-link-hover: #fca89b; /* Sơn son lacquer vermilion glow */ --color-link-focus: #fca89b; /* Link focus state */ --color-button-text: #121211; /* Sumi black on indigo silk button */ --color-button-hover-text: #121211;/* Sumi black on button hover */ --color-code-text: #faf7f2; /* Monospace silk text */ --color-quote-text: #faf7f2; /* Quote text */ --color-tag-text: #faf7f2; /* Tag text */ --color-input-text: #faf7f2; /* Input field text */ --color-text-disabled: #c4beba; /* Disabled control text (8.83:1) */ --color-text-placeholder: #bcb6af;/* Muted placeholder text (8.56:1 on input) */ --color-text-selection: #121211; /* Sumi ink selection text (7.86:1) */ /* Borders & UI Indicators */ --color-border: #a8a29e; /* Light slate / nezumi border (7.43:1) */ --color-border-card: #a8a29e; /* Card border */ --color-border-input: #a8a29e; /* Input border */ --color-border-quote: #fca89b; /* Vermilion lacquer accent bar (9.45:1) */ --color-border-tag: #a8a29e; /* Tag border */ --color-border-table: #a8a29e; /* Table border */ --color-border-disabled: #78716c; /* Disabled border (3.38:1) */ --color-focus: #f5c968; /* Vàng Hoàng Kim / Kintsugi warm gold focus ring */ --color-focus-inner: #121211; /* Sumi ink inner focus ring for buttons (7.86:1) */ } /* ---------------------------------------------------------------------------- DARK SCHEME TOKENS - SYSTEM MEDIA QUERY (TOKEN-FOR-TOKEN IDENTICAL) ---------------------------------------------------------------------------- */ @media (prefers-color-scheme: dark) { :root:not([data-theme="light"]):not([data-theme="dark"]) { /* Surfaces */ --color-bg-page: #121211; /* Deep Sumi / Urushi warm black lacquer canvas */ --color-bg-card: #1c1b19; /* Elevated slate lacquer card surface */ --color-bg-header: #121211; /* Header surface matching canvas */ --color-bg-footer: #181716; /* Subtly elevated footer */ --color-bg-code: #242220; /* Smoked bamboo code background */ --color-bg-quote: #191817; /* Quote callout surface */ --color-bg-tag: #272522; /* Tag chip surface */ --color-bg-button: #70ade6; /* Chàm / Ai botanical indigo silk tint */ --color-bg-button-hover: #b6d5f2; /* Highlighted botanical indigo button hover */ --color-bg-input: #1c1b19; /* Input background */ --color-bg-disabled: #22201e; /* Disabled control surface */ --color-bg-selection: #70ade6; /* Selection highlight (botanical indigo silk) */ /* Text & Typography */ --color-text: #faf7f2; /* Washi cream / raw silk (17.54:1) */ --color-text-muted: #d6d3cd; /* River stone pale washi (12.55:1) */ --color-heading: #faf7f2; /* Silk ivory headings */ --color-link: #70ade6; /* Chàm / Ai botanical indigo silk link */ --color-link-visited: #ddb6fc; /* Tử Quy / Murasaki wisteria violet */ --color-link-hover: #fca89b; /* Sơn son lacquer vermilion glow */ --color-link-focus: #fca89b; /* Link focus state */ --color-button-text: #121211; /* Sumi black on indigo silk button */ --color-button-hover-text: #121211;/* Sumi black on button hover */ --color-code-text: #faf7f2; /* Monospace silk text */ --color-quote-text: #faf7f2; /* Quote text */ --color-tag-text: #faf7f2; /* Tag text */ --color-input-text: #faf7f2; /* Input field text */ --color-text-disabled: #c4beba; /* Disabled control text (8.83:1) */ --color-text-placeholder: #bcb6af;/* Muted placeholder text (8.56:1 on input) */ --color-text-selection: #121211; /* Sumi ink selection text (7.86:1) */ /* Borders & UI Indicators */ --color-border: #a8a29e; /* Light slate / nezumi border (7.43:1) */ --color-border-card: #a8a29e; /* Card border */ --color-border-input: #a8a29e; /* Input border */ --color-border-quote: #fca89b; /* Vermilion lacquer accent bar (9.45:1) */ --color-border-tag: #a8a29e; /* Tag border */ --color-border-table: #a8a29e; /* Table border */ --color-border-disabled: #78716c; /* Disabled border (3.38:1) */ --color-focus: #f5c968; /* Vàng Hoàng Kim / Kintsugi warm gold focus ring */ --color-focus-inner: #121211; /* Sumi ink inner focus ring for buttons (7.86:1) */ } } /* ========================================================================== CSS RESET & CORE RULES ========================================================================== */ *, *::before, *::after { box-sizing: border-box; } html { font-size: 16px; -webkit-text-size-adjust: 100%; } body { margin: 0; padding: 0; font-family: var(--font-body); font-size: var(--font-size-base); padding-bottom: var(--cookie-banner-height, 0px); /* the end of the page is never left under the cookie notice */ line-height: var(--line-height-base); color: var(--color-text); background-color: var(--color-bg-page); text-rendering: optimizeLegibility; max-width: 100%; } /* Text Selection */ ::selection { background-color: var(--color-bg-selection); color: var(--color-text-selection); } /* Respect user motion preference */ @media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; } } /* ========================================================================== ACCESSIBILITY & FOCUS ========================================================================== */ /* Visible Focus Indicator (WCAG 2.2 SC 2.4.13 & SC 2.4.11) */ :focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; } /* Skip link: hidden offscreen until focused */ .skip-link { position: absolute; top: -100px; left: 1rem; z-index: 99999; padding: 0.75rem 1.25rem; background-color: var(--color-bg-button); color: var(--color-button-text); font-weight: 700; text-decoration: underline; text-underline-offset: 0.2em; border-radius: 4px; border: 1px solid var(--color-border); min-height: 44px; min-width: 44px; display: inline-flex; align-items: center; justify-content: center; } .skip-link:focus { top: 1rem; outline: 3px solid var(--color-focus); outline-offset: 3px; } /* Visually Hidden Utility */ .visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; } /* ========================================================================== LINKS & INTERACTIVE STATES ========================================================================== */ /* Body links: underlined so colour is never the only visual cue */ a { color: var(--color-link); text-decoration: underline; text-decoration-thickness: 1.5px; text-underline-offset: 0.2em; transition: color 0.15s ease, text-decoration-color 0.15s ease; } /* Global link states use :where() so they never outrank a component's own colour: a visited .button or .pagination-link must keep its button text colour. */ a:where(:visited) { color: var(--color-link-visited); } a:where(:hover) { color: var(--color-link-hover); text-decoration-thickness: 2.5px; } a:where(:focus-visible) { color: var(--color-link-focus); outline: 3px solid var(--color-focus); outline-offset: 3px; } /* ========================================================================== BUTTONS & FORMS (Touch targets >= 44x44px) ========================================================================== */ button, .button, input[type="submit"] { min-height: 44px; min-width: 44px; padding: 0.625rem 1.25rem; font-family: var(--font-body); font-size: 1rem; font-weight: 600; background-color: var(--color-bg-button); color: var(--color-button-text); border: 1px solid var(--color-border); border-radius: 4px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; text-decoration: underline; text-underline-offset: 0.2em; transition: background-color 0.15s ease, color 0.15s ease; } button:focus-visible, .button:focus-visible, input[type="submit"]:focus-visible, .pagination-link:focus-visible, .skip-link:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; box-shadow: 0 0 0 2px var(--color-focus-inner); } button:hover, .button:hover, input[type="submit"]:hover { background-color: var(--color-bg-button-hover); color: var(--color-button-hover-text); } button:disabled, .button:disabled, input[type="submit"]:disabled { background-color: var(--color-bg-disabled); color: var(--color-text-disabled); border-color: var(--color-border-disabled); cursor: not-allowed; text-decoration: none; } ::placeholder { color: var(--color-text-placeholder); opacity: 1; } input[type="text"], input[type="search"] { min-height: 44px; min-width: 44px; padding: 0.5rem 0.875rem; font-family: var(--font-body); font-size: 1rem; line-height: 1.5; background-color: var(--color-bg-input); color: var(--color-input-text); border: 1px solid var(--color-border-input); border-radius: 4px; box-sizing: border-box; } input[type="text"]:disabled, input[type="search"]:disabled { background-color: var(--color-bg-disabled); color: var(--color-text-disabled); border-color: var(--color-border-disabled); cursor: not-allowed; } /* Contact form (reuses the input, border and button tokens, so no new contrast pairs) */ .contact-form { max-width: 36rem; margin: 1.5rem 0 2.5rem; } .contact-form .form-row { margin-bottom: 1.25rem; } .contact-form label { display: block; margin-bottom: 0.375rem; font-weight: 600; } .contact-form input[type="text"], .contact-form input[type="email"], .contact-form textarea, .contact-form select { width: 100%; min-height: 44px; padding: 0.5rem 0.875rem; font-family: var(--font-body); font-size: 1rem; line-height: 1.5; background-color: var(--color-bg-input); color: var(--color-input-text); border: 1px solid var(--color-border-input); border-radius: 4px; box-sizing: border-box; } .contact-form textarea { min-height: 10rem; resize: vertical; } .contact-form input:focus-visible, .contact-form textarea:focus-visible, .contact-form select:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; } .contact-form .form-help { margin: 0 0 0.375rem; font-size: 0.9375rem; color: var(--color-text-muted); } .contact-form .form-error, .contact-form .form-error-summary { margin: 0 0 0.375rem; font-weight: 600; } .contact-form .form-error-summary { padding: 0.75rem 1rem; border: 2px solid var(--color-border-input); border-radius: 4px; } /* Honeypot: off-screen, not display:none, so simple bots still fill it */ .form-trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; } /* ========================================================================== DECORATIVE MOTIFS (CSS-only, never behind text, solid text background) ========================================================================== */ .motif-rule { height: 6px; width: 100%; background: repeating-linear-gradient( 90deg, var(--color-link-hover) 0 12px, var(--color-focus) 12px 24px, var(--color-link) 24px 36px, var(--color-border) 36px 48px ); border: none; margin: 0; display: block; } /* ========================================================================== LAYOUT LANDMARKS: HEADER, MAIN, FOOTER ========================================================================== */ .site-header { position: sticky; top: 0; z-index: 20; background-color: var(--color-bg-header); border-bottom: 1px solid var(--color-border); padding: 0.5rem 1.25rem; transition: transform 0.2s ease; } /* Smart sticky: config.js adds .is-hidden while scrolling down, removes it on scroll up. Focus inside the header always shows it (WCAG 2.4.12 focus not obscured). */ .site-header.is-hidden:not(:focus-within) { transform: translateY(-100%); } /* Anchors and focused elements must never land under the sticky header. */ html { scroll-padding-top: calc(var(--header-height, 4.5rem) + 1rem); scroll-padding-bottom: calc(var(--cookie-banner-height, 0px) + 1rem); /* the cookie notice, while it shows */ } .site-header-inner { max-width: 72rem; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; } .site-branding { display: flex; flex-direction: column; } /* Notion-style header: a small logo in front of the site name, both in the one home link. */ .logo-image { display: block; border-radius: 50%; } /* When the links row wraps under the name (narrower than 76rem), line it up with the name, not the right edge. */ @media (max-width: 75.99rem) { .site-header .site-header-inner { justify-content: flex-start; } .site-header .site-header-actions { margin-left: 0; } } /* Phones: the top links stay on one row that scrolls sideways instead of wrapping onto extra lines. */ @media (max-width: 40rem) { .site-header .site-header-actions { min-width: 0; max-width: 100%; } .site-header .secondary-nav { flex: 1 1 100%; min-width: 0; overflow-x: auto; scrollbar-width: thin; } .site-header .secondary-nav-list { flex-wrap: nowrap; } .site-header .secondary-nav-link { white-space: nowrap; } } .site-title .logo-image { width: 2.25rem; height: 2.25rem; flex: none; } .site-title { gap: 0.75rem; font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; color: var(--color-heading); text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; } .site-title:hover, .site-title:focus-visible { color: var(--color-link-hover); text-decoration: underline; text-underline-offset: 0.2em; } .site-header-actions { margin-left: auto; display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; } .site-tagline { margin: 0; font-size: 0.875rem; color: var(--color-text-muted); } .secondary-nav-list, .primary-nav-list, .subnav-list { list-style: none; margin: 0; padding: 0; } .secondary-nav-list { display: flex; flex-wrap: wrap; gap: 0.25rem; } .secondary-nav-link, .primary-nav-link, .subnav-link { display: inline-flex; align-items: center; min-height: 44px; padding: 0 0.5rem; color: var(--color-text); text-decoration: none; font-size: 1rem; font-weight: 600; border-radius: 8px; } .secondary-nav-link { font-weight: 400; font-size: 0.9375rem; color: var(--color-text-muted); } .secondary-nav-link:hover, .primary-nav-link:hover, .subnav-link:hover { background-color: var(--color-bg-tag); color: var(--color-link-hover); } .secondary-nav-link[aria-current="page"], .primary-nav-link[aria-current="page"], .subnav-link[aria-current="page"] { color: var(--color-heading); text-decoration: underline; text-underline-offset: 0.3em; text-decoration-thickness: 2px; } /* Primary navigation with dropdowns (hover, focus within, or the toggle button) */ .nav-details { max-width: 72rem; margin: 0.25rem auto 0; border-top: 1px solid var(--color-border); } .nav-toggle { display: flex; align-items: center; min-height: 44px; font-weight: 600; cursor: pointer; } .primary-nav-list { display: flex; flex-direction: column; padding-bottom: 0.5rem; } .primary-nav-item { position: relative; display: flex; flex-wrap: wrap; align-items: center; } .subnav-toggle { min-width: 44px; /* WCAG 2.5.5 */ min-height: 44px; padding: 0; background: transparent; color: var(--color-text-muted); border: 0; border-radius: 8px; font-size: 1rem; cursor: pointer; } /* Keep the dropdown chevron close to its category link */ .has-sub > .primary-nav-link { padding-right: 0.125rem; } .subnav-toggle:hover { background-color: var(--color-bg-tag); color: var(--color-link-hover); } .subnav-toggle .chevron { display: block; width: 0.5rem; height: 0.5rem; margin: 0 auto; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: translateY(-2px) rotate(45deg); transition: transform 0.2s ease; } .subnav-toggle[aria-expanded="true"] .chevron { transform: translateY(2px) rotate(225deg); } .subnav-list { display: none; flex-basis: 100%; padding: 0 0 0.25rem 1rem; } .has-sub.is-open > .subnav-list { display: block; } .subnav-link { font-weight: 400; } @media (min-width: 64rem) { .nav-toggle { display: none; } .primary-nav-list { flex-direction: row; flex-wrap: wrap; gap: 0 0.125rem; padding-bottom: 0; } .subnav-list { position: absolute; top: 100%; left: 0; z-index: 30; min-width: 15rem; padding: 0.25rem; background-color: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: 12px; } /* Without JavaScript, hover and focus open the menu. With it, config.js owns .is-open so the toggle button always matches what is showing, and Escape dismisses it (WCAG 1.4.13). */ html:not(.js) .has-sub:hover > .subnav-list, html:not(.js) .has-sub:focus-within > .subnav-list { display: block; } .subnav-link { display: flex; width: 100%; } } .search-toggle, .search-close { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; padding: 0; background: transparent; color: var(--color-text); border: 0; border-radius: 999px; cursor: pointer; text-decoration: none; } .search-toggle:hover, .search-close:hover { background-color: var(--color-bg-tag); color: var(--color-link-hover); } .search-toggle[aria-expanded="true"] { background-color: var(--color-bg-tag); } .search-panel { max-width: 72rem; margin: 0 auto; padding: 0.75rem 0 1rem; } .header-search { display: flex; align-items: center; gap: 0.5rem; } .header-search input[type="search"] { flex: 1; min-width: 0; font-size: 1.125rem; border-radius: 999px; padding-left: 1.25rem; } .site-shell { max-width: 80rem; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr); align-items: start; } .site-main { min-width: 0; container-type: inline-size; padding: 2rem 1.25rem 6rem; min-height: 60vh; } /* Left sidebar (Notion-style): sticky and independently scrollable on wide screens, a collapsed "Browse" disclosure above the content on narrow ones. */ .sidebar { padding: 0 1.25rem; } .sidebar-toggle { display: flex; align-items: center; min-height: 44px; font-weight: 600; cursor: pointer; color: var(--color-heading); } .sidebar-heading { margin: 1.5rem 0 0.25rem; padding: 0 0.75rem; font-size: 0.9375rem; font-weight: 600; letter-spacing: 0; color: var(--color-text-muted); } .sidebar-list { list-style: none; margin: 0; padding: 0; } .sidebar-link { display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; min-height: 44px; padding: 0 0.75rem; border-radius: 8px; color: var(--color-text); text-decoration: none; font-size: 1rem; } .sidebar-link:hover { background-color: var(--color-bg-tag); color: var(--color-link-hover); } .sidebar-link[aria-current="page"] { background-color: var(--color-bg-tag); font-weight: 600; color: var(--color-heading); } .sidebar-section + .sidebar-section { margin-top: 0.5rem; } .archive-year { margin: 0; } .archive-year-summary { display: flex; justify-content: space-between; align-items: center; min-height: 44px; padding: 0 0.75rem; border-radius: 8px; font-weight: 600; color: var(--color-heading); cursor: pointer; } .archive-year-summary:hover { background-color: var(--color-bg-tag); color: var(--color-link-hover); } .archive-year .sidebar-list { padding-left: 0.75rem; } .sidebar-post-link { display: block; min-height: 44px; /* WCAG 2.5.5 */ padding: 0.5rem 0.75rem; line-height: 1.5; overflow-wrap: anywhere; } .sidebar-count { color: var(--color-text-muted); font-size: 0.9375rem; font-variant-numeric: tabular-nums; } @media (min-width: 64rem) { .site-shell { grid-template-columns: 17rem minmax(0, 1fr); } /* Breathing room between the sidebar rule and the content. */ .site-main { padding-left: 3.5rem; padding-right: 2rem; } .sidebar { position: sticky; top: var(--sidebar-top, var(--header-height, 4.5rem)); max-height: calc(100vh - var(--sidebar-top, var(--header-height, 4.5rem)) - var(--cookie-banner-height, 0px)); overflow-y: auto; padding: 2rem 1.5rem 5rem 1.25rem; border-right: 1px solid var(--color-border); transition: top 0.2s ease, max-height 0.2s ease; } .sidebar-toggle { display: none; } } .site-footer { background-color: var(--color-bg-footer); border-top: 1px solid var(--color-border); padding: 3rem 1.25rem; margin-top: 2rem; } .site-footer-inner { max-width: 72rem; margin: 0 auto; color: var(--color-text-muted); font-size: 0.9375rem; } .footer-brand-row { display: flex; align-items: center; gap: 1rem; margin-bottom: 2rem; } .footer-brand { font-family: var(--font-heading); font-size: 1.25rem; font-weight: 700; letter-spacing: 0.01em; color: var(--color-heading); text-decoration: none; } .footer-tagline { margin: 0.25rem 0 0; } /* Link columns, in the style of the Notion blog footer: a heading and a short list under it. */ .footer-columns { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: 2rem 1.5rem; padding-bottom: 2rem; border-bottom: 1px solid var(--color-border); } .footer-heading { margin: 0 0 0.5rem; font-family: var(--font-body); font-size: 1rem; font-weight: 600; color: var(--color-heading); } .footer-heading-link { color: inherit; text-decoration: none; } .footer-heading-link:hover { color: var(--color-link-hover); text-decoration: underline; } .footer-links, .footer-legal-links { list-style: none; margin: 0; padding: 0; } .footer-links { display: flex; flex-direction: column; } .footer-links li, .footer-legal-links li { margin: 0; } .footer-link { display: inline-flex; align-items: center; min-height: 44px; min-width: 44px; /* WCAG 2.5.5: short words such as Tags */ padding: 0 0.5rem 0 0; color: var(--color-text); border-radius: 8px; } .footer-link:hover { color: var(--color-link-hover); } .footer-legal { display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; align-items: center; justify-content: space-between; padding-top: 1rem; } .footer-copy { margin: 0; } /* Links inside the copyright sentence: no trailing padding, so punctuation sits against the word. */ .footer-copy .footer-link { padding: 0; } .footer-legal-links { display: flex; flex-wrap: wrap; gap: 0 1.25rem; } .footer-legal-links .footer-link { padding-right: 0; } /* ========================================================================== TYPOGRAPHY & HEADINGS ========================================================================== */ h1, h2, h3, h4, h5, h6 { color: var(--color-heading); font-family: var(--font-heading); font-weight: 700; line-height: 1.5; margin: 2rem 0 1rem; overflow-wrap: break-word; } h1 { font-size: 2.5rem; letter-spacing: -0.02em; text-wrap: balance; margin-top: 0; } h2 { font-size: 1.75rem; } h3 { font-size: 1.375rem; } h4 { font-size: 1.1875rem; } h5, h6 { font-size: 1.0625rem; } p { margin: 0 0 1.5rem; } /* ========================================================================== POSTS, CARDS & ARCHIVES ========================================================================== */ .home-header, .archive-header { margin-bottom: 2rem; } .post-list { list-style: none; padding: 0; margin: 1.5rem 0 3rem; display: grid; grid-template-columns: 1fr; gap: 3rem 2rem; } @container (min-width: 40rem) { .post-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } } @container (min-width: 62rem) { .post-list { grid-template-columns: repeat(3, minmax(0, 1fr)); } } .post-card { display: flex; flex-direction: column; min-width: 0; } .post-card-thumb { display: block; aspect-ratio: 16 / 10; overflow: hidden; border-radius: 12px; background-color: var(--color-bg-tag); margin-bottom: 1rem; } /* {% picture %} wraps the image: the wrapper must fill the thumbnail so the image's 100% height still works. */ .post-card-thumb picture { display: block; width: 100%; height: 100%; } .post-card-image { width: 100%; max-width: 100%; height: 100%; object-fit: cover; border: 0; border-radius: 0; display: block; } .post-card-placeholder { display: block; width: 100%; height: 100%; padding: 0.75rem; } .illustration { display: block; width: 100%; max-width: 28rem; aspect-ratio: 3 / 2; margin: 0 auto 1.5rem; } .empty-topic { grid-column: 1 / -1; text-align: center; padding: 1rem 0 2rem; } .empty-topic-title { margin: 0 0 0.5rem; font-size: 1.5rem; font-weight: 600; color: var(--color-heading); } .empty-topic-text { margin: 0; color: var(--color-text-muted); } .post-card-category { margin: 0 0 0.375rem; font-size: 0.9375rem; font-weight: 600; color: var(--color-text-muted); } .post-card-title { margin: 0 0 0.5rem; font-size: 1.375rem; letter-spacing: -0.01em; text-wrap: pretty; } /* The card title is the whole link; WCAG 2.5.5 wants a 44 x 44 px box even for a one-line title. */ .post-card-title a { display: block; min-height: 44px; color: var(--color-heading); text-decoration: none; } .post-card-title a:hover, .post-card-title a:focus-visible { color: var(--color-link-hover); text-decoration: underline; text-underline-offset: 0.2em; } .post-card-meta, .meta { color: var(--color-text-muted); font-size: 0.9375rem; margin: 0.75rem 0 0; } .post-card-excerpt { color: var(--color-text); margin: 0; font-size: 1rem; line-height: 1.6; } .post-card-excerpt p { margin: 0; } .empty-notice { padding: 1.5rem; background-color: var(--color-bg-card); border: 1px solid var(--color-border-card); border-radius: 4px; color: var(--color-text-muted); } /* ========================================================================== ARTICLE / POST DETAIL ========================================================================== */ .post { max-width: 100%; padding-bottom: 3rem; } .post-header { max-width: 46rem; margin: 0 auto 2.5rem; } .post-category { margin: 0 0 0.75rem; font-size: 0.9375rem; font-weight: 600; } .post-category-link { display: inline-flex; align-items: center; min-height: 44px; min-width: 44px; color: var(--color-text-muted); } .post-title { font-size: 2.75rem; letter-spacing: -0.025em; text-wrap: pretty; margin: 0 0 1rem; } @media (max-width: 40rem) { .post-title { font-size: 2rem; } } /* Article column: text stays narrow and centred; figures and video go wider. */ .post .body > *, .post-footer { max-width: 46rem; margin-left: auto; margin-right: auto; } .post .body > figure, .post .body div:has(> iframe), .post .body div:has(> .embed-gate), .post .body div:has(> embed) { max-width: 64rem; margin-left: auto; margin-right: auto; } .terms { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--color-border); color: var(--color-text-muted); font-size: 0.9375rem; display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; } .terms-label { font-weight: 600; margin-right: 0.25rem; } .tag-link { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; min-width: 44px; padding: 0.25rem 0.875rem; background-color: var(--color-bg-tag); color: var(--color-tag-text); border: 1px solid var(--color-border-tag); border-radius: 9999px; text-decoration: underline; text-underline-offset: 0.2em; font-size: 0.9375rem; } .tag-link:hover { color: var(--color-link-hover); } /* ========================================================================== PAGINATION (Touch targets >= 44x44px) ========================================================================== */ .pagination { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin: 2.5rem 0; padding: 1rem 0; border-top: 1px solid var(--color-border); flex-wrap: wrap; } .pagination-link { min-height: 44px; min-width: 44px; padding: 0.625rem 1.25rem; background-color: var(--color-bg-button); color: var(--color-button-text); border: 1px solid var(--color-border); border-radius: 4px; text-decoration: underline; text-underline-offset: 0.2em; display: inline-flex; align-items: center; justify-content: center; font-weight: 600; } .pagination-link:hover { background-color: var(--color-bg-button-hover); color: var(--color-button-hover-text); } .pagination-current { color: var(--color-text-muted); font-size: 1rem; } .pagination-numbers { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.25rem; list-style: none; margin: 0; padding: 0; } .pagination-number, .pagination-gap { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; padding: 0 0.5rem; border-radius: 8px; font-variant-numeric: tabular-nums; } .pagination-number { color: var(--color-text); text-decoration: none; font-weight: 600; } a.pagination-number:hover { background-color: var(--color-bg-tag); color: var(--color-link-hover); } .pagination-number-current { background-color: var(--color-bg-button); color: var(--color-button-text); } .pagination-gap { color: var(--color-text-muted); } /* ========================================================================== SEARCH RESULTS PAGE ========================================================================== */ .search-page-form { margin: 1.5rem 0 2.5rem; } .search-input-group { display: flex; gap: 0.5rem; flex-wrap: wrap; } .search-input-group input[type="text"] { flex: 1; min-width: 16rem; } @media (max-width: 480px) { .search-input-group input[type="text"] { min-width: 100%; } .search-input-group input[type="submit"] { width: 100%; } } .search-results-list { list-style: none; padding: 0; margin: 1.5rem 0; display: flex; flex-direction: column; gap: 1.25rem; } .search-result-card { background-color: var(--color-bg-card); border: 1px solid var(--color-border-card); border-left: 4px solid var(--color-link); border-radius: 4px; padding: 1.25rem; } .search-result-title { margin: 0 0 0.5rem; font-size: 1.25rem; } .search-result-title a { display: block; min-height: 44px; } .search-result-desc { margin: 0; color: var(--color-text); font-size: 1rem; } .search-empty-notice { padding: 1.5rem; background-color: var(--color-bg-card); border: 1px solid var(--color-border-card); border-radius: 4px; color: var(--color-text-muted); } /* ========================================================================== RICH TEXT CONTENT (Importer Content Elements) ========================================================================== */ .richtext-body, .body { font-size: var(--font-size-base); line-height: var(--line-height-base); color: var(--color-text); background-color: transparent; } /* WCAG 1.4.8: paragraph spacing at least 1.5 times the line spacing (1.6 x 1.5 = 2.4em), and a measure of at most 80 characters (`ch` is the width of a zero; in Lexend that is 13.1 px against about 8.3 px for the average letter, so 48ch gives about 76 characters per line). */ .richtext-body p, .body p { margin: 0 0 2.4em; } .richtext-body :is(p, li, blockquote, figcaption, h2, h3, h4, h5, h6), .body :is(p, li, blockquote, figcaption, h2, h3, h4, h5, h6), .post .body > :is(p, ul, ol, blockquote, h2, h3, h4, h5, h6) { /* the last selector outranks `.post .body > *` below */ max-width: 48ch; } /* Images from the editor's image button () take the paragraph width, so image and text share one column. */ .post .body > picture, .richtext-body > picture { display: block; max-width: 48ch; margin: 0 auto 2.4em; } .post .body > picture img, .richtext-body > picture img { display: block; width: 100%; } /* Blockquote */ blockquote { margin: 1.75rem 0; padding: 1.25rem 1.5rem; background-color: var(--color-bg-quote); color: var(--color-quote-text); border-left: 5px solid var(--color-border-quote); border-radius: 0 4px 4px 0; } blockquote p:last-child { margin-bottom: 0; } /* Lists */ ul, ol { margin: 1rem 0 1.75rem 1.75rem; padding: 0; } li { margin-bottom: 0.5rem; } /* Code & Preformatted Text */ code { font-family: var(--font-mono); font-size: 0.9em; padding: 0.15em 0.4em; background-color: var(--color-bg-code); color: var(--color-code-text); border: 1px solid var(--color-border); border-radius: 3px; } pre { margin: 1.75rem 0; padding: 1.25rem; background-color: var(--color-bg-code); border: 1px solid var(--color-border); border-radius: 4px; overflow-x: auto; max-width: 100%; } pre code { background-color: transparent; border: none; padding: 0; font-size: 0.95em; line-height: 1.5; } /* Tables */ table { width: 100%; max-width: 100%; display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; border-collapse: collapse; margin: 1.75rem 0; background-color: var(--color-bg-card); border: 1px solid var(--color-border-table); font-size: 1rem; } table:focus-within { outline: 2px solid var(--color-focus); outline-offset: 2px; } th, td { padding: 0.75rem 1rem; border: 1px solid var(--color-border-table); text-align: left; } th { background-color: var(--color-bg-footer); color: var(--color-heading); font-weight: 700; } td { color: var(--color-text); } /* Figures, Images & Captions */ figure { margin: 2rem 0; padding: 0; text-align: center; } figure img, img { max-width: 100%; height: auto; border: 1px solid var(--color-border); border-radius: 3px; display: inline-block; } figcaption { margin-top: 0.5rem; font-size: 0.9375rem; color: var(--color-text-muted); font-style: italic; } /* Embeds & Iframes */ embed, iframe { max-width: 100%; display: block; margin: 1.75rem auto; border: 0; border-radius: 12px; } /* Wagtail's oEmbed markup hard-codes width="200" height="113" (the thumbnail size). Override both so video fills its column at 16:9. */ iframe[src*="youtube.com"], iframe[src*="youtube-nocookie.com"], iframe[src*="player.vimeo.com"] { width: 100%; height: auto; aspect-ratio: 16 / 9; } /* Error Pages */ .error-page { padding: 2rem 0; text-align: center; } .error-lead { font-size: 1.25rem; color: var(--color-text-muted); margin-bottom: 2rem; } /* ========================================================================== THEME SWITCH COMPONENT (Header Progressive Enhancement) ========================================================================== */ /* Hidden when JavaScript is disabled (HTML hidden attribute), revealed by config.js */ .theme-switch[hidden] { display: none !important; } .theme-switch { display: inline-flex; align-items: center; border: 1px solid var(--color-border); border-radius: 6px; padding: 2px; background-color: var(--color-bg-card); margin: 0; gap: 2px; } .theme-switch-label { position: relative; display: inline-flex; align-items: center; justify-content: center; min-height: 44px; min-width: 44px; padding: 0; border-radius: 4px; cursor: pointer; color: var(--color-text-muted); user-select: none; transition: none; } .theme-switch-label:hover { color: var(--color-link-hover); } .theme-switch-input { position: absolute; opacity: 0; width: 1px; height: 1px; margin: 0; pointer-events: none; } .theme-switch-input:focus-visible + .theme-switch-text { outline: 3px solid var(--color-focus); outline-offset: 2px; border-radius: 2px; } .theme-switch-input:checked + .theme-switch-text { background-color: var(--color-bg-button); color: var(--color-button-text); border-radius: 4px; } /* Icon-only options: the visible glyph is an SVG, the word is visually hidden. */ .theme-switch-text { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; } /* Reduced motion guarantee */ @media (prefers-reduced-motion: reduce) { .site-header, .sidebar, .theme-switch, .theme-switch * { transition: none !important; animation: none !important; } } /* ========================================================================== HIGH CONTRAST & FORCED COLORS (WCAG 2.2 AAA Robustness) ========================================================================== */ /* Reflow (WCAG 1.4.10): a long unbroken string (URL, hash) wraps instead of forcing sideways scroll. */ .richtext-body p, .richtext-body li, .richtext-body figcaption, .richtext-body blockquote, .body p, .body li, .error-page, .search-result-desc, .post-card-excerpt p { overflow-wrap: anywhere; } @media (forced-colors: active) { :focus-visible, a:focus-visible, button:focus-visible, .button:focus-visible, input:focus-visible, .theme-switch-input:focus-visible + .theme-switch-text { outline: 3px solid Highlight !important; outline-offset: 3px !important; box-shadow: none !important; } a { text-decoration: underline !important; } button, .button, input, table, th, td, pre, code, blockquote, .post-card, .tag-link, .theme-switch { border: 1px solid ButtonText !important; } .skip-link { background-color: Canvas !important; color: LinkText !important; border: 2px solid ButtonText !important; } } @media (prefers-contrast: more) { :root { --color-border: var(--color-text-muted); --color-border-card: var(--color-text-muted); --color-border-input: var(--color-text-muted); --color-border-tag: var(--color-text-muted); --color-border-table: var(--color-text-muted); } :root[data-theme="dark"] { --color-border: var(--color-text); --color-border-card: var(--color-text); --color-border-input: var(--color-text); --color-border-tag: var(--color-text); --color-border-table: var(--color-text); } @media (prefers-color-scheme: dark) { :root:not([data-theme="light"]):not([data-theme="dark"]) { --color-border: var(--color-text); --color-border-card: var(--color-text); --color-border-input: var(--color-text); --color-border-tag: var(--color-text); --color-border-table: var(--color-text); } } a { text-decoration-thickness: 2px; } :focus-visible { outline-width: 4px; } } /* ========================================================================== ARCHIVES: year and month boxes ========================================================================== */ .archive-lead { margin: 0; color: var(--color-text-muted); } .breadcrumb { margin: 0 0 1rem; font-size: 0.9375rem; color: var(--color-text-muted); } .year-grid { list-style: none; margin: 2rem 0 3rem; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr)); gap: 1rem; } .year-box-link { display: flex; flex-direction: column; gap: 0.25rem; height: 100%; padding: 1.25rem; background-color: var(--color-bg-card); color: var(--color-text); border: 1px solid var(--color-border); border-radius: 12px; text-decoration: none; } .year-box-link:hover, .year-box-link:focus-visible { background-color: var(--color-bg-tag); color: var(--color-link-hover); } .year-box-year { font-size: 1.75rem; font-weight: 600; letter-spacing: -0.02em; color: var(--color-heading); } .year-box-count, .year-box-months { font-size: 0.9375rem; color: var(--color-text-muted); } .year-box-link:hover .year-box-year, .year-box-link:hover .year-box-count, .year-box-link:hover .year-box-months { color: var(--color-link-hover); } .archive-lead { margin: 0.5rem 0 0; color: var(--color-text-muted); } .tag-card .post-card-meta a { color: inherit; } .sidebar-logo { display: none; } @media (min-width: 64rem) { .sidebar-logo { display: block; width: 9rem; margin: 0 auto 1.5rem; /* centred in the sidebar */ } .sidebar-logo .logo-image { width: 100%; height: auto; } } .sidebar-more { margin: 0.5rem 0 0; } /* ========================================================================== COOKIE BANNER AND VIDEO CONSENT GATE ========================================================================== */ .cookie-banner:not([hidden]) { position: fixed; left: 0; right: 0; bottom: 0; z-index: 50; background-color: var(--color-bg-card); border-top: 2px solid var(--color-border); padding: 1rem 1.25rem; max-height: 70vh; overflow-y: auto; } .cookie-banner-inner { max-width: 64rem; margin: 0 auto; display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 2rem; } .cookie-banner-title { flex-basis: 100%; margin: 0; font-size: 1.125rem; } .cookie-banner-text { flex: 1 1 28rem; margin: 0; font-size: 1rem; line-height: 1.5; } .cookie-banner-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; } .a11y-note { max-width: 46rem; margin: 2rem auto 0; text-align: center; padding: 1rem 1.25rem; background-color: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: 12px; font-size: 0.9375rem; } .a11y-note-heading { margin: 0 0 0.5rem; font-size: 1.0625rem; } .a11y-note p { max-width: 48ch; /* WCAG 1.4.8 measure */ margin: 0 auto 2.4em; /* paragraph spacing 1.5 x the 1.6 line height */ } .a11y-note p:last-child { margin-bottom: 0; } .embed-unavailable { max-width: 46rem; margin: 1.5rem auto; padding: 1rem 1.25rem; background-color: var(--color-bg-card); border: 1px dashed var(--color-border); border-radius: 12px; text-align: center; } .embed-unavailable a { display: inline-flex; align-items: center; min-height: 44px; min-width: 44px; } .embed-unavailable p { margin: 0 0 0.5rem; } .embed-unavailable p:last-child { margin-bottom: 0; } .embed-unavailable-title { font-weight: 600; color: var(--color-heading); } .embed-gate { display: flex; align-items: center; justify-content: center; width: 100%; aspect-ratio: 16 / 9; margin: 1.75rem auto; padding: 1rem; background-color: var(--color-bg-card); color: var(--color-text); border: 1px solid var(--color-border); border-radius: 12px; text-align: center; } .embed-gate-box { max-width: 34rem; } .embed-gate-title { margin: 0 0 0.5rem; font-size: 1.125rem; font-weight: 600; overflow-wrap: anywhere; } .embed-gate-text { margin: 0 0 1rem; font-size: 1rem; line-height: 1.5; } .embed-gate-actions a { display: inline-flex; align-items: center; min-height: 44px; min-width: 44px; } .embed-gate-actions { margin: 0; display: flex; gap: 1rem; align-items: center; justify-content: center; flex-wrap: wrap; } .cookie-settings { padding: 0; background: none; border: 0; font: inherit; text-decoration: underline; cursor: pointer; } /* It is a