/* ============================================================= Vellum — design system All personalization flows through these custom properties, which settings.js rewrites on :root / . ============================================================= */ :root { /* accent (overwritten by settings) */ --accent: #6366f1; --accent-weak: color-mix(in srgb, var(--accent) 14%, transparent); --accent-soft: color-mix(in srgb, var(--accent) 8%, transparent); /* typography knobs */ --font-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; --font-read: "Newsreader", Georgia, "Times New Roman", serif; --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace; --read-size: 1.075rem; /* article body size */ --read-measure: 720px; /* article column width */ --radius: 14px; --radius-sm: 10px; --shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 8px 30px -12px rgba(15, 23, 42, 0.18); --header-h: 60px; --ease: cubic-bezier(0.22, 1, 0.36, 1); } /* ---- light palette ---- */ :root, [data-theme="light"] { --bg: #f7f8fa; --bg-grad: radial-gradient(1200px 600px at 80% -10%, color-mix(in srgb, var(--accent) 9%, transparent), transparent 70%); --surface: #ffffff; --surface-2: #fbfbfd; --border: #e7e9ee; --border-strong: #d7dbe3; --text: #14161c; --text-2: #4a5160; --text-3: #828a99; --link: var(--accent); --kbd-bg: #eef0f4; } /* ---- dark palette ---- */ [data-theme="dark"] { --bg: #0b0d12; --bg-grad: radial-gradient(1200px 600px at 80% -10%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%); --surface: #14171e; --surface-2: #11141a; --border: #232733; --border-strong: #2e3340; --text: #eef1f6; --text-2: #aab2c0; --text-3: #6f7889; --link: color-mix(in srgb, var(--accent) 78%, white); --kbd-bg: #1b1f28; --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 40px -16px rgba(0, 0, 0, 0.7); } /* follow OS when theme = auto */ @media (prefers-color-scheme: dark) { [data-theme="auto"] { --bg: #0b0d12; --bg-grad: radial-gradient(1200px 600px at 80% -10%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%); --surface: #14171e; --surface-2: #11141a; --border: #232733; --border-strong: #2e3340; --text: #eef1f6; --text-2: #aab2c0; --text-3: #6f7889; --link: color-mix(in srgb, var(--accent) 78%, white); --kbd-bg: #1b1f28; --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 40px -16px rgba(0, 0, 0, 0.7); } } /* ---------------------------- base ---------------------------- */ * { box-sizing: border-box; } html { -webkit-text-size-adjust: 100%; } body { margin: 0; min-height: 100vh; font-family: var(--font-ui); color: var(--text); background: var(--bg); background-image: var(--bg-grad); background-attachment: fixed; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; } [hidden] { display: none !important; } a { color: var(--link); text-decoration: none; } a:hover { text-decoration: underline; } ::selection { background: var(--accent-weak); } img { max-width: 100%; height: auto; } /* scrollbars */ * { scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; } *::-webkit-scrollbar { width: 10px; height: 10px; } *::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 8px; border: 3px solid var(--bg); } /* ---------------------------- buttons ------------------------- */ .btn { font: 500 0.92rem var(--font-ui); padding: 0.6rem 1rem; border-radius: var(--radius-sm); border: 1px solid var(--border-strong); background: var(--surface); color: var(--text); cursor: pointer; transition: transform 0.08s var(--ease), background 0.15s, border-color 0.15s, opacity 0.15s; } .btn:hover { border-color: var(--accent); } .btn:active { transform: translateY(1px); } .btn-primary { background: var(--accent); border-color: transparent; color: #fff; box-shadow: 0 6px 18px -8px var(--accent); } .btn-primary:hover { filter: brightness(1.06); border-color: transparent; } .btn-ghost { background: transparent; border-color: var(--border); color: var(--text-2); } .btn-ghost:hover { color: var(--text); border-color: var(--border-strong); } .btn-block { width: 100%; } .icon-btn { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; border: 1px solid transparent; background: transparent; color: var(--text-2); cursor: pointer; transition: background 0.15s, color 0.15s, border-color 0.15s; } .icon-btn:hover { background: var(--accent-soft); color: var(--accent); } /* ---------------------------- login --------------------------- */ .lock { position: fixed; inset: 0; z-index: 50; display: grid; place-content: center; gap: 18px; padding: 24px; } .lock-card { width: min(380px, 92vw); background: var(--surface); border: 1px solid var(--border); border-radius: 20px; box-shadow: var(--shadow); padding: 34px 30px 28px; text-align: center; animation: pop 0.5s var(--ease) both; } @keyframes pop { from { opacity: 0; transform: translateY(10px) scale(0.98); } } .lock-mark { width: 60px; height: 60px; margin: 0 auto 14px; display: grid; place-items: center; border-radius: 16px; color: #fff; background: linear-gradient(140deg, var(--accent), color-mix(in srgb, var(--accent) 55%, #000)); box-shadow: 0 10px 26px -10px var(--accent); } .lock-title { margin: 0; font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; } .lock-sub { margin: 4px 0 22px; color: var(--text-3); font-size: 0.92rem; } .field { display: block; text-align: left; margin-bottom: 14px; } .field > span { display: block; font-size: 0.78rem; font-weight: 500; color: var(--text-2); margin-bottom: 6px; } .field input, .ctrl select, .ctrl input[type="url"] { width: 100%; padding: 0.7rem 0.85rem; font: 400 0.95rem var(--font-ui); color: var(--text); background: var(--surface-2); border: 1px solid var(--border-strong); border-radius: var(--radius-sm); outline: none; transition: border-color 0.15s, box-shadow 0.15s; } .field input:focus, .ctrl select:focus, .ctrl input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-weak); } .lock-error { margin: 12px 0 0; color: #e5484d; font-size: 0.85rem; } .lock-foot { color: var(--text-3); font-size: 0.78rem; text-align: center; } /* ---------------------------- topbar -------------------------- */ .topbar { position: sticky; top: 0; z-index: 30; height: var(--header-h); display: flex; align-items: center; gap: 14px; padding: 0 18px; background: color-mix(in srgb, var(--surface) 82%, transparent); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid var(--border); } .logo { display: flex; align-items: center; gap: 8px; font: 700 1.05rem var(--font-ui); letter-spacing: -0.02em; color: var(--text); background: none; border: none; cursor: pointer; padding: 4px; } .logo svg { color: var(--accent); } .topbar-actions { display: flex; gap: 2px; } /* search */ .search { position: relative; flex: 1; max-width: 640px; margin: 0 auto; } .search-ico { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text-3); pointer-events: none; } #search-input { width: 100%; height: 42px; padding: 0 40px 0 42px; font: 400 0.95rem var(--font-ui); color: var(--text); background: var(--surface-2); border: 1px solid var(--border-strong); border-radius: 999px; outline: none; transition: border-color 0.15s, box-shadow 0.15s, background 0.15s; } #search-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-weak); background: var(--surface); } #search-input::-webkit-search-cancel-button { display: none; } .search-kbd { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); font: 500 0.72rem var(--font-mono); color: var(--text-3); background: var(--kbd-bg); padding: 2px 7px; border-radius: 6px; pointer-events: none; } .search-results { position: absolute; top: calc(100% + 8px); left: 0; right: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; max-height: 70vh; overflow-y: auto; animation: drop 0.16s var(--ease); } @keyframes drop { from { opacity: 0; transform: translateY(-6px); } } .sr-item { display: flex; gap: 12px; align-items: center; padding: 10px 14px; cursor: pointer; border-bottom: 1px solid var(--border); } .sr-item:last-child { border-bottom: none; } .sr-item:hover, .sr-item.active { background: var(--accent-soft); } .sr-thumb { width: 44px; height: 44px; border-radius: 8px; object-fit: cover; background: var(--surface-2); flex: none; } .sr-text { min-width: 0; } .sr-title { font-weight: 600; font-size: 0.93rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; } .sr-desc { font-size: 0.8rem; color: var(--text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; } .sr-empty { padding: 18px; text-align: center; color: var(--text-3); font-size: 0.88rem; } /* ---------------------------- layout -------------------------- */ .app { min-height: 100vh; display: flex; flex-direction: column; } .view { flex: 1; width: 100%; } .appfoot { padding: 22px; text-align: center; color: var(--text-3); font-size: 0.8rem; border-top: 1px solid var(--border); } /* ----- home ----- */ .home { max-width: 1280px; margin: 0 auto; padding: 40px 28px 60px; } .hero { text-align: center; padding: 26px 0 38px; } .hero h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); letter-spacing: -0.03em; margin: 0 0 10px; } .hero p { color: var(--text-3); margin: 0; font-size: 1.02rem; } .hero .accent { color: var(--accent); } .section-h { display: flex; align-items: center; justify-content: space-between; margin: 30px 4px 14px; } .section-h h2 { font-size: 1.02rem; font-weight: 600; margin: 0; letter-spacing: -0.01em; } .section-h .muted { font-size: 0.82rem; } .grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; } .card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; cursor: pointer; text-align: left; transition: transform 0.12s var(--ease), border-color 0.15s, box-shadow 0.15s; display: flex; flex-direction: column; } .card:hover { transform: translateY(-3px); border-color: var(--border-strong); box-shadow: var(--shadow); } .card-img { width: 100%; height: 132px; object-fit: cover; background: var(--surface-2); } .card-body { padding: 13px 15px 15px; } .card-title { font-weight: 600; font-size: 0.98rem; margin: 0 0 4px; letter-spacing: -0.01em; } .card-desc { font-size: 0.85rem; color: var(--text-3); line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; } .card-tag { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent); font-weight: 600; margin-bottom: 6px; } .chips { display: flex; flex-wrap: wrap; gap: 8px; } .chip { padding: 6px 13px; border-radius: 999px; font-size: 0.85rem; cursor: pointer; background: var(--surface); border: 1px solid var(--border); color: var(--text-2); transition: all 0.13s; } .chip:hover { border-color: var(--accent); color: var(--accent); } /* ----- article reader ----- */ .reader { max-width: calc(var(--read-measure) + 320px); margin: 0 auto; padding: 0 22px; display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 40px; } .article-wrap { min-width: 0; padding: 26px 0 60px; } .article-bar { display: flex; align-items: center; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; } .article-bar .spacer { flex: 1; } .crumb { font-size: 0.82rem; color: var(--text-3); } .article { font-family: var(--font-read); font-size: var(--read-size); line-height: 1.72; color: var(--text); max-width: var(--read-measure); } .article.justify p { text-align: justify; hyphens: auto; } .article h1.title { font-family: var(--font-ui); font-size: clamp(1.7rem, 3.4vw, 2.3rem); line-height: 1.15; letter-spacing: -0.025em; margin: 0 0 6px; } .article .subtitle { font-family: var(--font-ui); color: var(--text-3); font-size: 1rem; margin: 0 0 26px; padding-bottom: 18px; border-bottom: 1px solid var(--border); } .article h2, .article h3, .article h4 { font-family: var(--font-ui); letter-spacing: -0.01em; line-height: 1.3; margin: 1.7em 0 0.5em; scroll-margin-top: calc(var(--header-h) + 16px); } .article h2 { font-size: 1.45rem; padding-bottom: 0.25em; border-bottom: 1px solid var(--border); } .article h3 { font-size: 1.18rem; } .article h4 { font-size: 1.03rem; color: var(--text-2); } .article p { margin: 0 0 1.05em; } .article a { color: var(--link); text-decoration: none; border-bottom: 1px solid color-mix(in srgb, var(--link) 30%, transparent); } .article a:hover { border-bottom-color: var(--link); } .article a.external::after { content: "↗"; font-size: 0.7em; vertical-align: super; margin-left: 1px; opacity: 0.6; } .article ul, .article ol { margin: 0 0 1.05em; padding-left: 1.4em; } .article li { margin: 0.25em 0; } .article blockquote { margin: 1.2em 0; padding: 0.4em 1.1em; border-left: 3px solid var(--accent); color: var(--text-2); background: var(--accent-soft); border-radius: 0 8px 8px 0; } .article code { font-family: var(--font-mono); font-size: 0.86em; background: var(--surface-2); padding: 0.12em 0.4em; border-radius: 6px; border: 1px solid var(--border); } .article pre { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px; overflow-x: auto; } .article hr { border: none; border-top: 1px solid var(--border); margin: 2em 0; } .article sup { font-size: 0.72em; } /* figures / images */ .article figure { margin: 1.4em 0; } .article figure img, .article img { border-radius: var(--radius-sm); } .article figcaption { font-family: var(--font-ui); font-size: 0.82rem; color: var(--text-3); margin-top: 7px; text-align: center; } .no-images .article img, .no-images .article figure, .no-images .infobox-img { display: none; } /* tables & infobox */ .article table { border-collapse: collapse; font-family: var(--font-ui); font-size: 0.86rem; margin: 1.2em 0; width: 100%; display: block; overflow-x: auto; } .article th, .article td { border: 1px solid var(--border); padding: 7px 10px; text-align: left; vertical-align: top; } .article th { background: var(--surface-2); font-weight: 600; } .article .infobox { float: right; width: 300px; max-width: 42%; margin: 0 0 1.2em 1.6em; font-size: 0.8rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); display: table; overflow: hidden; } .article .infobox img { border-radius: 6px; } /* TOC sidebar */ .toc { position: sticky; top: calc(var(--header-h) + 24px); align-self: start; padding-top: 26px; max-height: calc(100vh - var(--header-h) - 40px); overflow-y: auto; } .toc-h { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-3); margin-bottom: 12px; font-weight: 600; } .toc a { display: block; padding: 4px 12px; font-size: 0.84rem; color: var(--text-3); border-left: 2px solid var(--border); transition: color 0.15s, border-color 0.15s; } .toc a:hover, .toc a.active { color: var(--accent); border-left-color: var(--accent); text-decoration: none; } .toc a.lvl-3 { padding-left: 24px; font-size: 0.8rem; } /* save button state */ .btn[data-saved="1"] { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); } /* loading skeleton */ .skel { position: relative; overflow: hidden; background: var(--surface-2); border-radius: 8px; } .skel::after { content: ""; position: absolute; inset: 0; transform: translateX(-100%); background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--text) 6%, transparent), transparent); animation: shimmer 1.3s infinite; } @keyframes shimmer { 100% { transform: translateX(100%); } } .spin { width: 30px; height: 30px; border-radius: 50%; border: 3px solid var(--border); border-top-color: var(--accent); animation: rot 0.8s linear infinite; margin: 60px auto; } @keyframes rot { to { transform: rotate(360deg); } } .empty-state { text-align: center; color: var(--text-3); padding: 80px 20px; } .empty-state svg { color: var(--border-strong); margin-bottom: 12px; } /* ---------------------------- settings drawer ------------------ */ .scrim { position: fixed; inset: 0; z-index: 40; background: rgba(8, 10, 14, 0.45); backdrop-filter: blur(2px); animation: fade 0.2s; } @keyframes fade { from { opacity: 0; } } .drawer { position: fixed; top: 0; right: 0; bottom: 0; z-index: 41; width: min(420px, 100vw); background: var(--surface); border-left: 1px solid var(--border); box-shadow: -20px 0 60px -30px rgba(0,0,0,0.5); display: flex; flex-direction: column; animation: slide 0.28s var(--ease); } @keyframes slide { from { transform: translateX(100%); } } .drawer-head, .drawer-foot { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; } .drawer-head { border-bottom: 1px solid var(--border); } .drawer-foot { border-top: 1px solid var(--border); } .drawer-head h2 { margin: 0; font-size: 1.05rem; } .drawer-body { flex: 1; overflow-y: auto; padding: 8px 20px 24px; } .set-group { padding: 18px 0; border-bottom: 1px solid var(--border); } .set-group:last-child { border-bottom: none; } .set-group > h3 { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-3); margin: 0 0 14px; } .ctrl { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 14px; } .ctrl:last-child { margin-bottom: 0; } .ctrl > label { font-size: 0.9rem; color: var(--text); } .ctrl select { width: auto; min-width: 130px; padding: 0.45rem 0.6rem; } .ctrl input[type="url"] { font-size: 0.85rem; } /* segmented control */ .seg { display: inline-flex; background: var(--surface-2); border: 1px solid var(--border-strong); border-radius: 10px; padding: 3px; gap: 2px; } .seg button { border: none; background: none; padding: 5px 12px; font: 500 0.84rem var(--font-ui); color: var(--text-3); border-radius: 7px; cursor: pointer; transition: all 0.13s; } .seg button:hover { color: var(--text); } .seg button[aria-pressed="true"] { background: var(--surface); color: var(--text); box-shadow: 0 1px 3px rgba(0,0,0,0.12); } /* swatches */ .swatches { display: flex; gap: 9px; flex-wrap: wrap; } .swatch { width: 26px; height: 26px; border-radius: 50%; cursor: pointer; border: 2px solid transparent; transition: transform 0.12s; } .swatch:hover { transform: scale(1.12); } .swatch[aria-pressed="true"] { border-color: var(--text); box-shadow: 0 0 0 2px var(--surface) inset; } /* toggle */ .toggle { position: relative; width: 42px; height: 24px; flex: none; } .toggle input { opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; } .toggle .track { position: absolute; inset: 0; border-radius: 999px; background: var(--border-strong); transition: background 0.18s; pointer-events: none; } .toggle .track::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transition: transform 0.18s var(--ease); } .toggle input:checked + .track { background: var(--accent); } .toggle input:checked + .track::after { transform: translateX(18px); } /* toast */ .toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 60; background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 999px; font-size: 0.86rem; font-weight: 500; box-shadow: var(--shadow); animation: toast 0.25s var(--ease); } @keyframes toast { from { opacity: 0; transform: translate(-50%, 10px); } } .muted { color: var(--text-3); } .hint { font-size: 0.72rem; color: var(--text-3); font-weight: 400; } .set-note { font-size: 0.78rem; color: var(--text-3); line-height: 1.5; margin: 12px 0 0; } .ctrl > label { display: flex; flex-direction: column; gap: 1px; } /* ---------------------------- reading progress ---------------- */ #progress { position: fixed; top: 0; left: 0; right: 0; z-index: 35; height: 3px; background: transparent; pointer-events: none; } #progress > i { display: block; height: 100%; width: 0; background: var(--accent); box-shadow: 0 0 10px -1px var(--accent); transition: width 0.1s linear; } /* ---------------------------- zoomable images ----------------- */ .article img.zoomable { cursor: zoom-in; } /* ---------------------------- link hover preview -------------- */ .link-pop { position: fixed; z-index: 70; width: min(340px, 86vw); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; animation: drop 0.14s var(--ease); font-family: var(--font-ui); } .link-pop .lp-img { width: 100%; height: 140px; object-fit: cover; display: block; background: var(--surface-2); } .link-pop .lp-body { padding: 12px 14px 14px; } .link-pop .lp-title { font-weight: 600; font-size: 0.96rem; margin-bottom: 5px; letter-spacing: -0.01em; } .link-pop .lp-text { font-size: 0.84rem; color: var(--text-2); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical; overflow: hidden; } /* ---------------------------- image lightbox ------------------ */ .lightbox { position: fixed; inset: 0; z-index: 80; display: grid; place-items: center; padding: 32px; background: rgba(8, 10, 14, 0.86); backdrop-filter: blur(4px); animation: fade 0.18s; } .lightbox img { max-width: 100%; max-height: 100%; border-radius: var(--radius-sm); box-shadow: 0 20px 70px -20px rgba(0,0,0,0.8); cursor: zoom-out; } .lb-close { position: fixed; top: 18px; right: 22px; width: 42px; height: 42px; border-radius: 50%; border: none; cursor: pointer; background: rgba(255,255,255,0.12); color: #fff; font-size: 1.2rem; display: grid; place-items: center; transition: background 0.15s; } .lb-close:hover { background: rgba(255,255,255,0.24); } /* ---------------------------- responsive ---------------------- */ @media (max-width: 920px) { .reader { grid-template-columns: 1fr; } .toc { display: none; } } @media (max-width: 640px) { .search-kbd { display: none; } .logo span { display: none; } .topbar { gap: 8px; padding: 0 12px; } .article .infobox { float: none; width: 100%; max-width: 100%; margin: 0 0 1.2em; } .home { padding: 24px 16px 50px; } } @media (prefers-reduced-motion: reduce) { * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } }