/* ========================================================================= Offensive Security Academy — design system Light-first "clean docs" palette with a per-course accent and a dark mode. Tokens live on :root; every surface reads from them, so a course changes colour by swapping one class on . ========================================================================= */ /* ---------- tokens ---------- */ :root { color-scheme: light; --bg: #ffffff; --bg-sub: #f6f7f9; --bg-card: #ffffff; --bg-inset: #f1f3f6; --line: #e4e7ec; --line-soft: #eef0f4; --fg: #14161a; --fg-mid: #4a5160; --fg-mut: #737b8c; --accent: #6d4aff; --accent-ink: #4b28e0; --accent-soft: #f0ecff; --accent-line: #d9d0ff; --on-accent: #ffffff; --ok: #17864a; --ok-soft: #e6f6ed; --warn: #a4610a; --danger: #c4362f; --code-bg: #f7f8fa; --code-fg: #253046; --code-line: #e6e9ef; --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif; --mono: ui-monospace, "JetBrains Mono", "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; --r-sm: 6px; --r: 10px; --r-lg: 16px; --r-xl: 22px; --sh-sm: 0 1px 2px rgba(16, 20, 30, .06); --sh: 0 2px 8px rgba(16, 20, 30, .07), 0 1px 2px rgba(16, 20, 30, .05); --sh-lg: 0 18px 50px -12px rgba(16, 20, 30, .22); --rail: 292px; --doc: 760px; --top: 58px; } /* per-course accents — one class on retints the whole page */ .accent-violet { --accent: #6d4aff; --accent-ink: #4b28e0; --accent-soft: #f0ecff; --accent-line: #d9d0ff; } .accent-amber { --accent: #c2760a; --accent-ink: #9a5c05; --accent-soft: #fdf3e3; --accent-line: #f2ddb6; } .accent-teal { --accent: #0b8a86; --accent-ink: #076c69; --accent-soft: #e4f6f5; --accent-line: #b6e3e1; } .accent-rose { --accent: #c62b62; --accent-ink: #a11a4c; --accent-soft: #fdeaf1; --accent-line: #f6c6d8; } .accent-lime { --accent: #52820f; --accent-ink: #3f660a; --accent-soft: #eff7e0; --accent-line: #d3e6ae; } .accent-sky { --accent: #0a6ec4; --accent-ink: #0857a0; --accent-soft: #e6f2fd; --accent-line: #bcdcf7; } /* ---------- dark ---------- */ @media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { color-scheme: dark; --bg: #0e1014; --bg-sub: #14171d; --bg-card: #171a21; --bg-inset: #1c2027; --line: #262b34; --line-soft: #1e222a; --fg: #e8eaef; --fg-mid: #a8b0bf; --fg-mut: #7b8494; --on-accent: #ffffff; --ok: #4ecb85; --ok-soft: #10291c; --warn: #e0a944; --danger: #f2695f; --code-bg: #12151b; --code-fg: #cfd7e6; --code-line: #262b34; --sh-sm: 0 1px 2px rgba(0, 0, 0, .4); --sh: 0 2px 10px rgba(0, 0, 0, .45); --sh-lg: 0 20px 60px -12px rgba(0, 0, 0, .7); } :root:not([data-theme="light"]).accent-violet { --accent: #a08cff; --accent-ink: #c0b2ff; --accent-soft: #1d1a33; --accent-line: #35305c; } :root:not([data-theme="light"]).accent-amber { --accent: #e3a447; --accent-ink: #f0bd72; --accent-soft: #2a2113; --accent-line: #4d3c1e; } :root:not([data-theme="light"]).accent-teal { --accent: #45c4bd; --accent-ink: #6ed6d0; --accent-soft: #10262a; --accent-line: #1d454a; } :root:not([data-theme="light"]).accent-rose { --accent: #f0759f; --accent-ink: #f79bba; --accent-soft: #2c1520; --accent-line: #4f2438; } :root:not([data-theme="light"]).accent-lime { --accent: #9dc95c; --accent-ink: #b6d982; --accent-soft: #1c2413; --accent-line: #35441f; } :root:not([data-theme="light"]).accent-sky { --accent: #5aaef0; --accent-ink: #86c4f5; --accent-soft: #101f2c; --accent-line: #1c3a52; } } :root[data-theme="dark"] { color-scheme: dark; --bg: #0e1014; --bg-sub: #14171d; --bg-card: #171a21; --bg-inset: #1c2027; --line: #262b34; --line-soft: #1e222a; --fg: #e8eaef; --fg-mid: #a8b0bf; --fg-mut: #7b8494; --on-accent: #ffffff; --ok: #4ecb85; --ok-soft: #10291c; --warn: #e0a944; --danger: #f2695f; --code-bg: #12151b; --code-fg: #cfd7e6; --code-line: #262b34; --sh-sm: 0 1px 2px rgba(0, 0, 0, .4); --sh: 0 2px 10px rgba(0, 0, 0, .45); --sh-lg: 0 20px 60px -12px rgba(0, 0, 0, .7); } :root[data-theme="dark"].accent-violet { --accent: #a08cff; --accent-ink: #c0b2ff; --accent-soft: #1d1a33; --accent-line: #35305c; } :root[data-theme="dark"].accent-amber { --accent: #e3a447; --accent-ink: #f0bd72; --accent-soft: #2a2113; --accent-line: #4d3c1e; } :root[data-theme="dark"].accent-teal { --accent: #45c4bd; --accent-ink: #6ed6d0; --accent-soft: #10262a; --accent-line: #1d454a; } :root[data-theme="dark"].accent-rose { --accent: #f0759f; --accent-ink: #f79bba; --accent-soft: #2c1520; --accent-line: #4f2438; } :root[data-theme="dark"].accent-lime { --accent: #9dc95c; --accent-ink: #b6d982; --accent-soft: #1c2413; --accent-line: #35441f; } :root[data-theme="dark"].accent-sky { --accent: #5aaef0; --accent-ink: #86c4f5; --accent-soft: #101f2c; --accent-line: #1c3a52; } /* ---------- base ---------- */ *, *::before, *::after { box-sizing: border-box; } /* Any explicit `display` beats the hidden attribute's UA rule — restore it, since several components below are display:grid/flex *and* toggled by [hidden] from JS. */ [hidden] { display: none !important; } html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--top) + 18px); } @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } } body { margin: 0; background: var(--bg); color: var(--fg); font: 400 16px/1.65 var(--sans); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; } h1, h2, h3, h4, h5 { margin: 0; line-height: 1.2; letter-spacing: -.02em; font-weight: 660; } p { margin: 0 0 1em; } a { color: var(--accent-ink); text-decoration: none; } a:hover { text-decoration: underline; text-underline-offset: 2px; } img { max-width: 100%; height: auto; } svg { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; } kbd { font: 500 11px/1 var(--mono); padding: 3px 5px; border-radius: 5px; background: var(--bg-inset); border: 1px solid var(--line); color: var(--fg-mid); } ::selection { background: var(--accent-soft); color: var(--accent-ink); } :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; } .wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; } .skip { position: absolute; left: -9999px; top: 0; z-index: 100; background: var(--accent); color: var(--on-accent); padding: 10px 16px; border-radius: 0 0 var(--r) 0; } .skip:focus { left: 0; } /* ---------- topbar ---------- */ .topbar { position: sticky; top: 0; z-index: 60; height: var(--top); display: flex; align-items: center; gap: 22px; padding: 0 24px; background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: saturate(1.6) blur(12px); -webkit-backdrop-filter: saturate(1.6) blur(12px); border-bottom: 1px solid var(--line); } .brand { display: flex; align-items: center; gap: 9px; font-weight: 700; letter-spacing: -.02em; color: var(--fg); font-size: 15px; } .brand:hover { text-decoration: none; } .brand .mark { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 8px; background: var(--accent); color: var(--on-accent); font-size: 13px; } .topnav { display: flex; gap: 4px; margin-right: auto; } .topnav a { padding: 7px 12px; border-radius: var(--r-sm); font-size: 14px; font-weight: 500; color: var(--fg-mid); } .topnav a:hover { background: var(--bg-inset); color: var(--fg); text-decoration: none; } .topnav a.on { color: var(--accent-ink); background: var(--accent-soft); } .topright { display: flex; align-items: center; gap: 8px; } .kbtn { display: flex; align-items: center; gap: 10px; height: 34px; padding: 0 8px 0 12px; background: var(--bg-sub); border: 1px solid var(--line); border-radius: 999px; color: var(--fg-mut); font: 500 13px var(--sans); cursor: pointer; } .kbtn:hover { border-color: var(--accent-line); color: var(--fg); } .iconbtn { display: grid; place-items: center; width: 34px; height: 34px; background: none; border: 1px solid transparent; border-radius: 9px; color: var(--fg-mut); cursor: pointer; font-size: 17px; } .iconbtn:hover { background: var(--bg-inset); color: var(--fg); border-color: var(--line); } .iconbtn svg { width: 17px; height: 17px; } [data-theme-toggle] .i-moon { display: none; } :root[data-theme="dark"] [data-theme-toggle] .i-sun { display: none; } :root[data-theme="dark"] [data-theme-toggle] .i-moon { display: block; } @media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) [data-theme-toggle] .i-sun { display: none; } :root:not([data-theme="light"]) [data-theme-toggle] .i-moon { display: block; } } @media (max-width: 720px) { .topbar { gap: 12px; padding: 0 14px; } .topnav a { padding: 7px 9px; } .kbtn span { display: none; } .kbtn { padding: 0 10px; } } /* ---------- buttons ---------- */ .btn { display: inline-flex; align-items: center; gap: 8px; height: 42px; padding: 0 18px; border-radius: 999px; font: 600 14.5px var(--sans); cursor: pointer; border: 1px solid transparent; transition: transform .12s, background .15s, border-color .15s; } .btn:hover { text-decoration: none; transform: translateY(-1px); } .btn:active { transform: translateY(0); } .btn.primary { background: var(--accent); color: var(--on-accent); box-shadow: var(--sh); } .btn.primary:hover { background: var(--accent-ink); } .btn.ghost { background: var(--bg-card); color: var(--fg); border-color: var(--line); } .btn.ghost:hover { border-color: var(--accent-line); background: var(--bg-sub); } .btn.ghost.danger:hover { border-color: var(--danger); color: var(--danger); } .btn.file { position: relative; overflow: hidden; } /* ---------- progress bars ---------- */ .bar { height: 6px; border-radius: 999px; background: var(--bg-inset); overflow: hidden; } .bar.big { height: 10px; } .bar i { display: block; height: 100%; width: 0; border-radius: 999px; background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 55%, var(--ok))); transition: width .45s cubic-bezier(.2, .8, .2, 1); } /* ---------- hero (hub) ---------- */ .hero { position: relative; overflow: hidden; padding: 84px 24px 68px; border-bottom: 1px solid var(--line); background: radial-gradient(ellipse 70% 60% at 18% -10%, var(--accent-soft), transparent 70%), radial-gradient(ellipse 50% 50% at 92% 0%, var(--accent-soft), transparent 70%), var(--bg); } .hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5; background-image: linear-gradient(var(--line-soft) 1px, transparent 1px), linear-gradient(90deg, var(--line-soft) 1px, transparent 1px); background-size: 56px 56px; mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000, transparent 75%); -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000, transparent 75%); } .hero-in { position: relative; z-index: 1; max-width: 1140px; margin: 0 auto; } .pill { display: inline-block; padding: 6px 13px; border-radius: 999px; background: var(--bg-card); border: 1px solid var(--accent-line); color: var(--accent-ink); font-size: 12.5px; font-weight: 600; letter-spacing: .01em; box-shadow: var(--sh-sm); } .hero h1 { margin: 20px 0 0; font-size: clamp(2.4rem, 6.2vw, 4.2rem); letter-spacing: -.045em; font-weight: 700; } .hero h1 em { font-style: normal; color: var(--accent); background: linear-gradient(transparent 62%, var(--accent-soft) 62%); } .lede { margin: 18px 0 0; max-width: 62ch; font-size: clamp(1rem, 1.6vw, 1.18rem); color: var(--fg-mid); } .hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; } .hero-cta kbd { margin-left: 2px; } .hero-stats { display: flex; flex-wrap: wrap; gap: 44px; margin: 46px 0 0; } .hero-stats div { margin: 0; } .hero-stats dt { font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--fg-mut); font-weight: 600; } .hero-stats dd { margin: 4px 0 0; font-size: 1.85rem; font-weight: 680; letter-spacing: -.03em; } /* ---------- your-stats band ---------- */ .band { border-bottom: 1px solid var(--line); background: var(--bg-sub); } .band-in { max-width: 1140px; margin: 0 auto; padding: 22px 24px; display: flex; align-items: center; gap: 40px; flex-wrap: wrap; } .stat { display: flex; flex-direction: column; } .stat-n { font-size: 1.55rem; font-weight: 680; letter-spacing: -.03em; color: var(--accent-ink); } .stat-l { font-size: 12px; color: var(--fg-mut); text-transform: uppercase; letter-spacing: .08em; font-weight: 600; } .heat { display: grid; grid-auto-flow: column; grid-template-rows: repeat(7, 1fr); gap: 3px; margin-left: auto; } .heat b { width: 10px; height: 10px; border-radius: 2.5px; background: var(--bg-inset); display: block; } .heat b[data-l="1"] { background: color-mix(in srgb, var(--accent) 28%, var(--bg-inset)); } .heat b[data-l="2"] { background: color-mix(in srgb, var(--accent) 55%, var(--bg-inset)); } .heat b[data-l="3"] { background: color-mix(in srgb, var(--accent) 78%, var(--bg-inset)); } .heat b[data-l="4"] { background: var(--accent); } @media (max-width: 860px) { .heat { display: none; } .band-in { gap: 26px; } } /* ---------- section titles ---------- */ .sec-title { font-size: 1.5rem; margin: 64px 0 24px; letter-spacing: -.03em; display: flex; align-items: center; gap: 14px; } .sec-title::after { content: ""; flex: 1; height: 1px; background: var(--line); } /* ---------- course cards ---------- */ .course-grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); } .course-card { position: relative; display: flex; flex-direction: column; padding: 24px; border-radius: var(--r-lg); background: var(--bg-card); border: 1px solid var(--line); color: var(--fg); box-shadow: var(--sh-sm); transition: transform .16s, box-shadow .16s, border-color .16s; overflow: hidden; } .course-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: linear-gradient(90deg, var(--accent), transparent 85%); } .course-card:hover { text-decoration: none; transform: translateY(-3px); box-shadow: var(--sh-lg); border-color: var(--accent-line); } .cc-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; } .cc-icon { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 11px; background: var(--accent-soft); color: var(--accent); flex: none; } .cc-icon svg { width: 21px; height: 21px; stroke-width: 1.6; } .cc-icon.big { width: 54px; height: 54px; border-radius: 15px; margin-bottom: 18px; } .cc-icon.big svg { width: 29px; height: 29px; stroke-width: 1.5; } .cc-level { font-size: 11.5px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--fg-mut); background: var(--bg-inset); padding: 4px 9px; border-radius: 999px; } .course-card h3 { font-size: 1.22rem; margin-bottom: 8px; } .course-card p { color: var(--fg-mid); font-size: 14.5px; line-height: 1.6; margin-bottom: 18px; } .cc-stats { display: flex; gap: 16px; font-size: 13px; color: var(--fg-mut); margin-top: auto; } .cc-stats b { color: var(--fg); font-weight: 640; } .cc-prog { display: flex; align-items: center; gap: 12px; margin: 16px 0 18px; } .cc-prog .bar { flex: 1; } .cc-pct { font-size: 12.5px; font-weight: 600; color: var(--fg-mut); white-space: nowrap; } .cc-go { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; font-weight: 600; color: var(--accent-ink); } .cc-go svg { width: 15px; height: 15px; transition: transform .16s; } .course-card:hover .cc-go svg { transform: translateX(4px); } /* ---------- features ---------- */ .features { padding-bottom: 90px; } .feat-grid { display: grid; gap: 2px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; } .feat { background: var(--bg-card); padding: 26px 24px; } .feat .fi { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); font-size: 16px; margin-bottom: 14px; } .feat h4 { font-size: 1rem; margin-bottom: 7px; } .feat p { color: var(--fg-mid); font-size: 14px; line-height: 1.62; margin: 0; } /* ---------- course page ---------- */ .course-hero { padding: 44px 0 40px; border-bottom: 1px solid var(--line); background: radial-gradient(ellipse 60% 90% at 12% 0%, var(--accent-soft), transparent 70%), var(--bg); } .crumbs { display: flex; align-items: center; gap: 9px; font-size: 13.5px; color: var(--fg-mut); margin-bottom: 18px; } .crumbs a { color: var(--fg-mut); font-weight: 500; } .crumbs a:hover { color: var(--accent-ink); } .crumbs b { color: var(--fg); font-weight: 600; } .course-hero h1 { font-size: clamp(1.9rem, 4.2vw, 2.7rem); } .course-prog { display: flex; align-items: center; gap: 14px; max-width: 520px; margin: 26px 0 10px; } .course-prog .bar { flex: 1; } .course-prog span { font-size: 13.5px; font-weight: 600; color: var(--fg-mid); white-space: nowrap; } .course-meta { font-size: 13.5px; color: var(--fg-mut); margin: 0; } .modules { padding: 34px 0 90px; display: flex; flex-direction: column; gap: 12px; } .module { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; } .module > summary { display: flex; align-items: center; gap: 16px; padding: 17px 20px; cursor: pointer; list-style: none; user-select: none; } .module > summary::-webkit-details-marker { display: none; } .module > summary:hover { background: var(--bg-sub); } .mnum { font: 640 12px var(--mono); color: var(--accent); background: var(--accent-soft); padding: 5px 8px; border-radius: 7px; letter-spacing: .02em; } .mname { font-weight: 640; font-size: 1.02rem; letter-spacing: -.015em; } .mmeta { font-size: 12.5px; color: var(--fg-mut); margin-left: auto; white-space: nowrap; } .mpct { font-size: 12.5px; font-weight: 640; color: var(--accent-ink); min-width: 62px; text-align: right; } .chev { width: 17px; height: 17px; color: var(--fg-mut); transition: transform .2s; flex: none; } .module[open] .chev { transform: rotate(180deg); } .rooms { list-style: none; margin: 0; padding: 0 10px 10px; } .rooms a { display: grid; grid-template-columns: 22px 1fr auto 88px; align-items: center; gap: 14px; padding: 11px 12px; border-radius: var(--r); color: var(--fg); font-size: 14.5px; } .rooms a:hover { background: var(--accent-soft); text-decoration: none; } .rk { width: 18px; height: 18px; border-radius: 999px; border: 1.8px solid var(--line); display: grid; place-items: center; font-size: 11px; color: transparent; } .rk.done { background: var(--ok); border-color: var(--ok); color: #fff; } .rk.part { border-color: var(--accent); box-shadow: inset 0 0 0 3.5px var(--accent-soft); } .rn { font-weight: 520; } .rc { font-size: 12.5px; color: var(--fg-mut); white-space: nowrap; } .rb { height: 5px; border-radius: 999px; background: var(--bg-inset); overflow: hidden; } .rb i { display: block; height: 100%; width: 0; background: var(--accent); border-radius: 999px; transition: width .4s; } @media (max-width: 700px) { .rooms a { grid-template-columns: 22px 1fr; } .rc, .rb { display: none; } .mmeta { display: none; } } /* ---------- room: two-column shell ---------- */ .shell { display: grid; grid-template-columns: var(--rail) minmax(0, 1fr); align-items: start; } .rail { position: sticky; top: var(--top); height: calc(100vh - var(--top)); border-right: 1px solid var(--line); background: var(--bg-sub); overflow-y: auto; overscroll-behavior: contain; } .rail-in { padding: 26px 22px 40px; } .rail-mod { font-size: 11.5px; text-transform: uppercase; letter-spacing: .1em; color: var(--accent); font-weight: 700; margin-bottom: 8px; } .rail-title { font-size: 1.24rem; margin-bottom: 18px; } .rail-prog { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; } .rail-prog .bar { flex: 1; } .rail-prog span { font-size: 12px; font-weight: 640; color: var(--fg-mut); white-space: nowrap; } .srclink { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 560; } .srclink svg { width: 13px; height: 13px; } .toc { margin-top: 24px; border-top: 1px solid var(--line); padding-top: 18px; } .toc ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 1px; } .toc a { display: grid; grid-template-columns: 16px 20px 1fr; align-items: start; gap: 9px; padding: 7px 9px; border-radius: var(--r-sm); font-size: 13.4px; line-height: 1.45; color: var(--fg-mid); } .toc a:hover { background: var(--bg-inset); color: var(--fg); text-decoration: none; } .toc a.active { background: var(--accent-soft); color: var(--accent-ink); font-weight: 600; } .toc .tk { width: 14px; height: 14px; border-radius: 999px; border: 1.6px solid var(--line); margin-top: 3px; } .toc a.done .tk { background: var(--ok); border-color: var(--ok); } .toc .tn { font: 600 12px var(--mono); color: var(--fg-mut); margin-top: 1px; } .toc a.active .tn { color: var(--accent-ink); } .doc { max-width: var(--doc); padding: 40px 32px 120px; margin: 0 auto; } @media (max-width: 980px) { .shell { grid-template-columns: 1fr; } .rail { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--line); } .rail-in { padding: 20px; } .toc { max-height: 300px; overflow-y: auto; } .doc { padding: 28px 20px 90px; } } /* ---------- task ---------- */ .task { scroll-margin-top: calc(var(--top) + 20px); padding-bottom: 40px; margin-bottom: 40px; border-bottom: 1px solid var(--line-soft); } .task:last-of-type { border-bottom: 0; } .task-head { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 22px; } .th-text { flex: 1; min-width: 0; } .tlabel { display: block; font: 700 11.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 5px; } .task-head h2 { font-size: 1.62rem; letter-spacing: -.03em; } .task.done .task-head h2 { color: var(--fg-mid); } .tick { flex: none; cursor: pointer; margin-top: 6px; } .tick input { position: absolute; opacity: 0; width: 0; height: 0; } .tick .box { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 8px; border: 1.8px solid var(--line); background: var(--bg-card); transition: all .15s; } .tick .box svg { width: 14px; height: 14px; color: #fff; opacity: 0; transform: scale(.6); transition: all .15s; } .tick:hover .box { border-color: var(--accent); } .tick input:checked + .box { background: var(--ok); border-color: var(--ok); } .tick input:checked + .box svg { opacity: 1; transform: scale(1); } .tick input:focus-visible + .box { outline: 2px solid var(--accent); outline-offset: 2px; } .task-tools { display: flex; gap: 2px; flex: none; } .task-tools .iconbtn.on { color: var(--accent); background: var(--accent-soft); border-color: var(--accent-line); } .task-tools .iconbtn.on svg { fill: currentColor; } /* ---------- prose (extracted lesson content) ---------- */ .task-body { font-size: 16.2px; line-height: 1.75; color: var(--fg); } .task-body > :first-child { margin-top: 0; } .task-body h1, .task-body h2, .task-body h3, .task-body h4 { margin: 2em 0 .6em; letter-spacing: -.02em; scroll-margin-top: calc(var(--top) + 20px); } .task-body h1 { font-size: 1.42rem; } .task-body h2 { font-size: 1.26rem; } .task-body h3 { font-size: 1.1rem; } .task-body h4 { font-size: 1rem; } .task-body p { margin: 0 0 1.05em; } .task-body ul, .task-body ol { margin: 0 0 1.15em; padding-left: 1.5em; } .task-body li { margin: .38em 0; } .task-body li::marker { color: var(--accent); } .task-body strong { font-weight: 660; } .task-body hr { border: 0; border-top: 1px solid var(--line); margin: 2em 0; } .task-body blockquote { margin: 1.4em 0; padding: 2px 0 2px 18px; border-left: 3px solid var(--accent-line); color: var(--fg-mid); } .task-body img { display: block; margin: 1.6em auto; border-radius: var(--r); border: 1px solid var(--line); background: var(--bg-sub); box-shadow: var(--sh-sm); } .task-body code { font: 500 .875em/1.5 var(--mono); background: var(--code-bg); color: var(--code-fg); border: 1px solid var(--code-line); border-radius: var(--r-sm); padding: .12em .38em; word-break: break-word; } .task-body pre { margin: 1.4em 0; padding: 16px 18px; overflow-x: auto; background: var(--code-bg); border: 1px solid var(--code-line); border-radius: var(--r); font: 500 13.6px/1.62 var(--mono); color: var(--code-fg); -webkit-overflow-scrolling: touch; } .task-body pre code { background: none; border: 0; padding: 0; font-size: 1em; } .task-body table { width: 100%; margin: 1.5em 0; border-collapse: collapse; font-size: 14.6px; display: block; overflow-x: auto; } .task-body th, .task-body td { padding: 10px 13px; border: 1px solid var(--line); text-align: left; vertical-align: top; } .task-body th { background: var(--bg-sub); font-weight: 640; } .task-body a { text-decoration: underline; text-decoration-color: var(--accent-line); text-underline-offset: 2px; } .task-body abbr { text-decoration: underline dotted var(--accent); cursor: help; } mark, .task-body mark { background: color-mix(in srgb, var(--accent) 22%, transparent); color: inherit; border-radius: 3px; padding: .05em .1em; } .task-body mark.hl { background: color-mix(in srgb, var(--accent) 26%, transparent); box-shadow: 0 1px 0 var(--accent-line); cursor: pointer; } /* ---------- questions ---------- */ .questions { margin: 26px 0 0; padding: 18px 20px; background: var(--accent-soft); border: 1px solid var(--accent-line); border-radius: var(--r); } .questions h4 { display: flex; align-items: center; gap: 9px; margin-bottom: 10px; font-size: 13px; text-transform: uppercase; letter-spacing: .07em; color: var(--accent-ink); } .questions h4 span { display: grid; place-items: center; width: 19px; height: 19px; border-radius: 999px; background: var(--accent); color: var(--on-accent); font-size: 11px; } .questions ol { margin: 0; padding-left: 1.3em; font-size: 14.6px; color: var(--fg-mid); } .questions li { margin: .4em 0; } /* ---------- per-task note ---------- */ .note { margin-top: 20px; border: 1px solid var(--line); border-radius: var(--r); background: var(--bg-sub); overflow: hidden; } .note-head { display: flex; align-items: center; justify-content: space-between; padding: 9px 14px; border-bottom: 1px solid var(--line); font-size: 12px; font-weight: 640; text-transform: uppercase; letter-spacing: .07em; color: var(--fg-mut); } .note-state { text-transform: none; letter-spacing: 0; font-weight: 500; color: var(--ok); opacity: 0; transition: opacity .3s; } .note-state.show { opacity: 1; } .note textarea { display: block; width: 100%; border: 0; resize: vertical; min-height: 92px; padding: 14px; background: var(--bg-card); color: var(--fg); font: 400 14.6px/1.65 var(--sans); } .note textarea:focus { outline: none; box-shadow: inset 0 0 0 2px var(--accent-soft); } .task.has-note .note { border-color: var(--accent-line); } /* ---------- pager ---------- */ .pager-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 20px; } .pager { display: flex; flex-direction: column; gap: 3px; padding: 15px 18px; border: 1px solid var(--line); border-radius: var(--r); background: var(--bg-card); color: var(--fg); transition: border-color .15s, transform .15s; } .pager:hover { border-color: var(--accent); text-decoration: none; transform: translateY(-2px); } .pager span { font-size: 11.5px; text-transform: uppercase; letter-spacing: .09em; color: var(--fg-mut); font-weight: 640; } .pager b { font-size: 14.6px; font-weight: 600; letter-spacing: -.015em; } .pager.next { text-align: right; grid-column: 2; } .pager.prev:only-child { grid-column: 1; } @media (max-width: 620px) { .pager-row { grid-template-columns: 1fr; } .pager.next { grid-column: 1; text-align: left; } } .totop { position: fixed; right: 22px; bottom: 22px; z-index: 40; display: grid; place-items: center; width: 42px; height: 42px; border-radius: 999px; background: var(--bg-card); border: 1px solid var(--line); color: var(--fg-mid); box-shadow: var(--sh); cursor: pointer; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; } .totop.show { opacity: 1; pointer-events: auto; } .totop:hover { color: var(--accent); border-color: var(--accent-line); transform: translateY(-2px); } .totop svg { width: 18px; height: 18px; } /* ---------- highlight popover ---------- */ .hl-pop { position: absolute; z-index: 70; display: flex; gap: 1px; padding: 3px; background: var(--fg); border-radius: 9px; box-shadow: var(--sh-lg); } .hl-pop button { background: none; border: 0; color: var(--bg); font: 600 12.5px var(--sans); padding: 6px 11px; border-radius: 6px; cursor: pointer; white-space: nowrap; } .hl-pop button:hover { background: color-mix(in srgb, var(--bg) 18%, transparent); } /* ---------- command palette ---------- */ .palette { position: fixed; inset: 0; z-index: 200; display: grid; place-items: start center; padding: 10vh 20px 20px; background: color-mix(in srgb, #0b0d12 45%, transparent); backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px); animation: fade .12s ease-out; } @keyframes fade { from { opacity: 0; } } .palette-box { width: min(660px, 100%); max-height: 74vh; display: flex; flex-direction: column; background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--sh-lg); overflow: hidden; } .palette-input { display: flex; align-items: center; gap: 12px; padding: 15px 18px; border-bottom: 1px solid var(--line); } .palette-input svg { width: 18px; height: 18px; color: var(--fg-mut); flex: none; } .palette-input input { flex: 1; border: 0; background: none; color: var(--fg); font: 400 16px var(--sans); outline: none; } .palette-input input::-webkit-search-cancel-button { display: none; } .palette-results { overflow-y: auto; padding: 8px; } .pgroup { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .09em; color: var(--fg-mut); padding: 12px 10px 6px; } .phit { display: block; padding: 9px 11px; border-radius: var(--r-sm); color: var(--fg); cursor: pointer; } .phit:hover, .phit.sel { background: var(--accent-soft); text-decoration: none; } .phit .pwhere { font-size: 11.5px; color: var(--fg-mut); display: flex; align-items: center; gap: 6px; margin-bottom: 2px; } .phit .pwhere b { color: var(--accent-ink); font-weight: 640; } .phit .ptitle { font-size: 14.6px; font-weight: 580; letter-spacing: -.01em; } .phit .psnip { font-size: 12.8px; color: var(--fg-mut); margin-top: 3px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; } .palette-foot { display: flex; gap: 18px; padding: 10px 18px; border-top: 1px solid var(--line); background: var(--bg-sub); font-size: 11.5px; color: var(--fg-mut); } .palette-foot span { display: flex; align-items: center; gap: 5px; } .pempty { padding: 34px 16px; text-align: center; color: var(--fg-mut); font-size: 14px; } /* ---------- notebook / review pages ---------- */ .page { padding-top: 44px; padding-bottom: 100px; } .page-head h1 { font-size: clamp(1.9rem, 4vw, 2.5rem); } .page-head .lede { margin-bottom: 26px; } .page-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 30px; } .page-tools .spacer { flex: 1; } .page-tools input[type="search"] { height: 42px; padding: 0 15px; min-width: 200px; background: var(--bg-card); border: 1px solid var(--line); border-radius: 999px; color: var(--fg); font: 400 14px var(--sans); outline: none; } .page-tools input[type="search"]:focus { border-color: var(--accent); } .filter { display: flex; gap: 2px; padding: 3px; background: var(--bg-inset); border-radius: 999px; } .filter button { border: 0; background: none; padding: 7px 15px; border-radius: 999px; font: 600 13.5px var(--sans); color: var(--fg-mut); cursor: pointer; } .filter button.on { background: var(--bg-card); color: var(--fg); box-shadow: var(--sh-sm); } .notebook { display: flex; flex-direction: column; gap: 14px; } .nb-course { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .09em; color: var(--accent); margin: 26px 0 4px; } .nb-item { display: block; padding: 18px 20px; border-radius: var(--r-lg); background: var(--bg-card); border: 1px solid var(--line); color: var(--fg); transition: border-color .15s, transform .15s; } .nb-item:hover { border-color: var(--accent-line); text-decoration: none; transform: translateY(-1px); } .nb-meta { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; font-size: 12px; color: var(--fg-mut); margin-bottom: 8px; } .nb-tag { font-size: 10.5px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; padding: 3px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-ink); } .nb-tag.mark { background: var(--ok-soft); color: var(--ok); } .nb-item h3 { font-size: 1.02rem; margin-bottom: 8px; } .nb-body { font-size: 14.6px; color: var(--fg-mid); white-space: pre-wrap; line-height: 1.6; } .nb-body.quote { border-left: 3px solid var(--accent); padding-left: 14px; font-style: italic; } .empty-state { text-align: center; padding: 80px 20px; color: var(--fg-mut); } .empty-state .es-icon { font-size: 40px; opacity: .35; display: block; margin-bottom: 14px; } .empty-state h3 { font-size: 1.1rem; color: var(--fg); margin-bottom: 8px; } .review-stats { display: flex; gap: 40px; flex-wrap: wrap; padding: 22px 24px; margin-bottom: 30px; background: var(--bg-sub); border: 1px solid var(--line); border-radius: var(--r-lg); } .card { padding: 34px; border-radius: var(--r-xl); background: var(--bg-card); border: 1px solid var(--line); box-shadow: var(--sh); text-align: center; } .card .c-where { font-size: 12px; color: var(--fg-mut); margin-bottom: 14px; } .card .c-front { font-size: 1.35rem; font-weight: 620; letter-spacing: -.025em; margin-bottom: 22px; } .card .c-back { border-top: 1px solid var(--line); padding-top: 22px; margin-top: 22px; font-size: 15px; color: var(--fg-mid); white-space: pre-wrap; text-align: left; line-height: 1.65; } .card-actions { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-top: 26px; } .grade { min-width: 92px; justify-content: center; } .grade.again { border-color: var(--danger); color: var(--danger); } .grade.good { border-color: var(--ok); color: var(--ok); } /* ---------- footer ---------- */ .foot { border-top: 1px solid var(--line); background: var(--bg-sub); } .foot-in { max-width: 1140px; margin: 0 auto; padding: 44px 24px 26px; display: flex; gap: 40px; flex-wrap: wrap; justify-content: space-between; } .foot-in strong { font-size: 15px; letter-spacing: -.02em; } .foot-in p { margin: 7px 0 0; font-size: 13.6px; color: var(--fg-mut); max-width: 46ch; } .foot-links { display: flex; gap: 22px; font-size: 13.6px; } .foot-links a { color: var(--fg-mid); } .foot-fine { max-width: 1140px; margin: 0 auto; padding: 18px 24px 34px; border-top: 1px solid var(--line); font-size: 12.5px; color: var(--fg-mut); } /* ---------- toast ---------- */ .toast { position: fixed; left: 50%; bottom: 26px; transform: translate(-50%, 14px); z-index: 300; padding: 11px 18px; border-radius: 999px; background: var(--fg); color: var(--bg); font: 600 13.5px var(--sans); box-shadow: var(--sh-lg); opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; } .toast.show { opacity: 1; transform: translate(-50%, 0); } @media print { .topbar, .rail, .foot, .totop, .palette, .task-tools, .tick { display: none !important; } .doc { max-width: none; padding: 0; } .task { break-inside: avoid; } }