/* NightBench — a lab notebook at night: graph-paper grid, faint scanlines, mono + grotesk, one amber lamp. */
:root {
  --bg: #0d1110; --bg2: #131917; --bg3: #1a2220; --ink: #e6ebe6; --dim: #a3aea8; --faint: #66736d; --line: #24302c; --grid: rgba(140, 200, 170, .045);
  --lamp: #f2b84b; --ok: #6fd6a0; --no: #e66767;
  --agent: #3987e5; --format: #d95926; --facts: #199e70; --lang: #c98500; --hard: #d55181; --code: #9085e9;
  --sans: 'Hanken Grotesk', system-ui, sans-serif; --mono: 'JetBrains Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; }
html { color-scheme: dark; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 var(--sans); }
body { overflow-x: hidden; background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 28px 28px; background-attachment: fixed; }
a { color: inherit; }
button { font: inherit; }
.scan { position: fixed; inset: 0; pointer-events: none; z-index: 50; background: repeating-linear-gradient(0deg, rgba(255,255,255,.018) 0 1px, transparent 1px 3px); mix-blend-mode: screen; }
.scan::after { content: ''; position: absolute; inset: 0; background: radial-gradient(120% 90% at 50% 0%, transparent 55%, rgba(0,0,0,.45)); }

.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px clamp(16px, 4vw, 48px); position: sticky; top: 0; z-index: 5; background: rgba(13, 17, 16, .82); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.brand { font: 500 19px var(--mono); text-decoration: none; letter-spacing: -.02em; display: flex; align-items: center; gap: 6px; }
.brand b { color: var(--lamp); font-weight: 700; }
.cursor { color: var(--lamp); font-size: 15px; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
nav { display: flex; gap: clamp(4px, 1.5vw, 10px); font: 500 13px var(--mono); }
nav a { text-decoration: none; color: var(--dim); padding: 6px 10px; border: 1px solid transparent; border-radius: 4px; }
nav a:hover { color: var(--ink); }
nav a.on { color: var(--lamp); border-color: var(--line); background: var(--bg2); }

main { max-width: 1180px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 48px) 60px; position: relative; }
.hero { padding: clamp(40px, 8vw, 96px) 0 24px; position: relative; }
.kicker { font: 500 12px var(--mono); color: var(--dim); text-transform: uppercase; letter-spacing: .12em; display: flex; align-items: center; gap: 10px; margin: 0; }
.kicker::before { content: '$'; color: var(--lamp); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 0 rgba(111, 214, 160, .6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(111, 214, 160, 0); } 100% { box-shadow: 0 0 0 0 rgba(111, 214, 160, 0); } }
h1 { font: 800 clamp(38px, 6.4vw, 80px)/1 var(--sans); margin: 18px 0 22px; letter-spacing: -.035em; max-width: 16ch; }
h1 em { font-style: normal; color: var(--lamp); background: linear-gradient(transparent 62%, rgba(242, 184, 75, .16) 62%); }
.lede { font-size: clamp(17px, 1.9vw, 20px); color: var(--dim); max-width: 64ch; }
.lede b { color: var(--ink); font-weight: 600; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); border: 1px solid var(--line); margin-top: 34px; background: var(--bg2); }
.stats div { padding: 16px 18px; border-right: 1px dashed var(--line); }
.stats div:last-child { border-right: 0; }
.stats b { display: block; font: 500 34px/1.05 var(--mono); color: var(--ink); letter-spacing: -.04em; overflow-wrap: anywhere; }
.stats span { font: 11px var(--mono); color: var(--faint); text-transform: uppercase; letter-spacing: .08em; }

.board { margin-top: 36px; }
.filters { display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; margin-bottom: 14px; }
.seg { display: flex; flex-wrap: wrap; gap: 0; border: 1px solid var(--line); background: var(--bg2); }
.seg button { border: 0; border-right: 1px solid var(--line); background: none; color: var(--dim); font: 500 12px var(--mono); padding: 8px 12px; cursor: pointer; }
.seg button:last-child { border-right: 0; }
.seg button:hover { color: var(--ink); }
.seg button.on { background: var(--lamp); color: #1a1205; }

.thead, .row { display: grid; grid-template-columns: 34px minmax(0, 1.5fr) minmax(0, 2fr) 92px 92px 74px; gap: 16px; align-items: center; }
.thead { padding: 8px 10px; font: 10px var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--faint); border-top: 1px solid var(--dim); border-bottom: 1px solid var(--line); }
.thead span:nth-child(n+4) { text-align: right; }
.thead span:nth-child(3) { word-spacing: .6em; overflow: hidden; white-space: nowrap; text-overflow: clip; }
.rows { list-style: none; padding: 0; margin: 0; counter-reset: r; }
.row { counter-increment: r; padding: 12px 10px; border-bottom: 1px solid var(--line); text-decoration: none; transition: background .12s; position: relative; }
.rows li:nth-child(even) .row { background: rgba(255, 255, 255, .012); }
.row:hover { background: var(--bg3) !important; }
.row:hover::after { content: '→'; position: absolute; right: -18px; color: var(--lamp); font: 14px var(--mono); }
.row::before { content: counter(r, decimal-leading-zero); font: 12px var(--mono); color: var(--faint); }
.row .name { font: 600 16px var(--sans); overflow-wrap: anywhere; }
.row .name small { display: block; font: 11px var(--mono); color: var(--faint); margin-top: 2px; font-weight: 400; }
.row .score { font: 500 28px/1 var(--mono); text-align: right; letter-spacing: -.05em; }
.row .score small { font: 11px var(--mono); color: var(--faint); letter-spacing: 0; }
.rows li:first-child .row .score { color: var(--lamp); }
.row .meta { font: 12px var(--mono); color: var(--dim); text-align: right; line-height: 1.5; }
.bars { display: grid; grid-template-columns: repeat(6, 1fr); gap: 3px; align-items: end; height: 20px; }
.bars i { display: block; position: relative; height: 100%; background: var(--bg3); border-radius: 2px 2px 0 0; overflow: hidden; }
.bars i b { opacity: .88; position: absolute; left: 0; right: 0; bottom: 0; border-radius: 2px 2px 0 0; }
.c { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin: 0 6px 0 14px; vertical-align: -1px; }
.agent, .bars .agent b { background: var(--agent); } .format, .bars .format b { background: var(--format); } .facts, .bars .facts b { background: var(--facts); } .lang, .bars .lang b { background: var(--lang); } .hard, .bars .hard b { background: var(--hard); } .code, .bars .code b { background: var(--code); }
.bars i.agent, .bars i.format, .bars i.facts, .bars i.lang, .bars i.hard, .bars i.code { background: var(--bg3); }
.legend { font: 12px var(--mono); color: var(--faint); margin-top: 14px; line-height: 2; }

.notes { margin-top: 56px; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 0; border-top: 1px solid var(--dim); }
.note { padding: 18px 20px 22px 0; border-bottom: 1px dashed var(--line); }
.note h3 { font: 700 19px/1.2 var(--sans); margin: 0 0 8px; letter-spacing: -.01em; }
.note h3::before { content: '▸ '; color: var(--lamp); }
.note p { margin: 0; color: var(--dim); font-size: 15px; }

.page { padding-top: clamp(30px, 6vw, 70px); }
.page h1 { max-width: 20ch; }
.page h2 { font: 700 13px var(--mono); text-transform: uppercase; letter-spacing: .14em; color: var(--lamp); margin: 44px 0 10px; }
.page h2::before { content: '## '; color: var(--faint); }
.page p { max-width: 70ch; color: var(--dim); }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0 24px; margin-top: 26px; }
.cols div { border-top: 1px solid var(--line); padding: 14px 0; }
.cols h3 { margin: 0 0 6px; font: 600 13px var(--mono); color: var(--ink); text-transform: uppercase; letter-spacing: .06em; }
.cols p { margin: 0; font-size: 15px; }

.fit { display: grid; grid-template-columns: 1fr auto; gap: 8px 16px; align-items: center; margin: 30px 0; max-width: 640px; padding: 18px; border: 1px solid var(--line); background: var(--bg2); }
.fit label { grid-column: 1 / -1; font: 12px var(--mono); color: var(--dim); }
.fit input { width: 100%; accent-color: var(--lamp); }
.fit output { font: 500 34px var(--mono); color: var(--lamp); min-width: 4ch; text-align: right; letter-spacing: -.04em; }

.model .back { font: 13px var(--mono); color: var(--dim); text-decoration: none; }
.model .back:hover { color: var(--lamp); }
.tasks { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 8px; margin-top: 20px; }
.task { border: 1px solid var(--line); border-left: 3px solid var(--faint); padding: 10px 12px; font-size: 14px; background: var(--bg2); }
.task.ok { border-left-color: var(--ok); }
.task.no { border-left-color: var(--no); }
.task b { font: 600 13px var(--mono); }
.task.ok b::before { content: '✓ '; color: var(--ok); }
.task.no b::before { content: '✗ '; color: var(--no); }
.task small { font: 11px var(--mono); color: var(--faint); }
.task p { margin: 6px 0 0; color: var(--faint); font: 12px/1.45 var(--mono); max-height: 5.8em; overflow: hidden; overflow-wrap: anywhere; }
.hw { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.hw div { border: 1px solid var(--line); padding: 10px 14px; font: 12px var(--mono); color: var(--dim); background: var(--bg2); }
.hw b { display: block; color: var(--ink); font: 500 24px var(--mono); letter-spacing: -.04em; }

.foot { max-width: 1180px; margin: 0 auto; padding: 36px clamp(16px, 4vw, 48px) 60px; border-top: 1px solid var(--line); color: var(--faint); font-size: 14px; }
.foot-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.foot-k { font: 500 12px var(--mono); color: var(--lamp); margin: 0 0 10px; }
.foot .made { color: var(--dim); }
.foot .mm { font: 13px var(--mono); color: var(--dim); border-left: 2px solid var(--lamp); padding-left: 10px; }
.foot .mm a { color: var(--ink); }
.foot .mm-icon { float: left; width: 36px; height: 36px; border-radius: 9px; margin: 2px 10px 4px 0; outline: 1px solid var(--line, #333); }
.foot .mm::after { content: ""; display: table; clear: both; }
.eco { list-style: none; padding: 0; margin: 0; }
.eco li { display: grid; grid-template-columns: 170px 1fr; gap: 10px; padding: 6px 0; border-bottom: 1px dashed var(--line); font-size: 13px; }
.eco a { font: 500 13px var(--mono); color: var(--ink); text-decoration: none; }
.eco a:hover { color: var(--lamp); }
.eco .here a::after { content: ' ◂'; color: var(--lamp); }
.empty { color: var(--faint); font: 14px var(--mono); padding: 30px 0; }

@media (max-width: 860px) {
  .foot-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .thead { display: none; }
  .row { grid-template-columns: 26px 1fr 64px; grid-template-areas: 'n name score' 'n bars bars' 'n meta meta'; gap: 6px 12px; }
  .row::before { grid-area: n; }
  .row .name { grid-area: name; } .row .bars { grid-area: bars; } .row .score { grid-area: score; } .row .meta { grid-area: meta; text-align: left; }
  .row .meta br { display: none; }
  .row .meta.mem { display: none; }
  .row:hover::after { display: none; }
  .top { flex-wrap: wrap; gap: 8px; }
  nav { width: 100%; justify-content: space-between; font-size: 12px; }
  nav a { padding: 4px 6px; }
  .stats div { border-right: 0; border-bottom: 1px dashed var(--line); }
  .eco li { grid-template-columns: 1fr; gap: 0; }
}
@media (prefers-reduced-motion: reduce) { .cursor, .dot { animation: none; } }