:root {
  --serif: "Newsreader", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --bg: #ffffff; --bg-2: #f2f2f2; --ink: #111111; --ink-2: #333333; --muted: #6b6b6b; --rule: #dcdcdc;
  --accent: #c4321c; --accent-ink: #ffffff;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f0f0f; --bg-2: #1c1c1c; --ink: #f0f0f0; --ink-2: #d0d0d0; --muted: #8f8f8f; --rule: #2e2e2e;
    --accent: #ff6a4d; --accent-ink: #0f0f0f; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0f0f0f; --bg-2: #1c1c1c; --ink: #f0f0f0; --ink-2: #d0d0d0; --muted: #8f8f8f; --rule: #2e2e2e;
  --accent: #ff6a4d; --accent-ink: #0f0f0f; color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0 auto; max-width: 1320px; padding: 0 28px;
  background: var(--bg); color: var(--ink);
  font: 14px/1.55 var(--mono);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration-color: var(--rule); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
main:focus { outline: none; }
button, input, textarea, select { font: inherit; color: inherit; }

/* header */
.top { display: flex; align-items: center; gap: 20px; padding: 20px 0 16px; border-bottom: 3px solid var(--ink); }
.mark { font: 600 15px/1 var(--mono); text-transform: uppercase; letter-spacing: .06em; text-decoration: none; }
.mark::before { content: ""; display: inline-block; width: 11px; height: 11px; background: var(--accent); margin-right: 10px; vertical-align: -1px; }
nav { margin-left: auto; display: flex; gap: 22px; align-items: center; font-size: 13px; }
nav a { text-decoration: none; color: var(--ink-2); }
nav a:hover { color: var(--ink); }
nav a[aria-current] { color: var(--ink); font-weight: 600; box-shadow: inset 0 -2px var(--accent); }
.mode { background: none; border: 0; padding: 0; cursor: pointer; color: var(--ink-2); font-size: 15px; line-height: 1; }

/* toolbar */
.tools { display: flex; flex-wrap: wrap; gap: 10px 24px; align-items: center; padding: 16px 0; font-size: 13px; color: var(--muted); }
.tools input[type=search] {
  font: 14px var(--mono); width: 360px; padding: 7px 10px; border: 1px solid var(--ink); background: var(--bg); border-radius: 0;
}
.tools input[type=search]::placeholder { color: var(--muted); }
.seg { display: flex; gap: 2px; align-items: baseline; flex-wrap: wrap; }
.seg span { margin-right: 6px; }
.seg button { background: none; border: 0; padding: 3px 7px; cursor: pointer; color: var(--ink-2); }
.seg button:hover { color: var(--ink); }
.seg button[aria-pressed=true] { color: var(--accent-ink); background: var(--ink); }
.count { margin-left: auto; }

/* list as table */
.thead, .row {
  display: grid; grid-template-columns: 52px 54px minmax(0, 1fr) 140px 104px 116px 84px; gap: 0 14px; align-items: start;
}
.thead { border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); padding: 7px 0; font-size: 11.5px; text-transform: uppercase; letter-spacing: .06em; }
.thead button { background: none; border: 0; padding: 0; cursor: pointer; text-align: left; color: var(--muted); text-transform: inherit; letter-spacing: inherit; }
.thead button:nth-of-type(1) { text-align: right; white-space: nowrap; }
.thead button:nth-of-type(2) { text-align: center; white-space: nowrap; }
.thead button:hover { color: var(--ink); }
.thead button[aria-pressed=true] { color: var(--ink); font-weight: 600; }
.thead button[aria-pressed=true]::after { content: " ↓"; color: var(--accent); }
ol.list { list-style: none; margin: 0; padding: 0; }
.row { padding: 14px 0 13px; border-bottom: 1px solid var(--rule); }
.row:hover { background: linear-gradient(to right, transparent, var(--bg-2) 6%, var(--bg-2) 94%, transparent); }
.rank { font-size: 12px; line-height: 26px; color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; }
.vote { display: flex; flex-direction: column; align-items: center; font-size: 13px; line-height: 1; }
.vote button { background: none; border: 0; cursor: pointer; padding: 3px 8px; color: var(--muted); font-size: 11px; line-height: 1; }
.vote button:hover { color: var(--ink); }
.vote button[aria-pressed=true] { color: var(--accent); }
.vote b { font-weight: 600; padding: 3px 0; font-variant-numeric: tabular-nums; }
.main { min-width: 0; }
.ttl { font: 500 19px/1.3 var(--serif); text-decoration: none; letter-spacing: -.005em; }
.ttl:hover { text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 2px; }
.short { color: var(--ink-2); font: 15.5px/1.45 var(--serif); margin: 4px 0 0; max-width: 60em;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tags { margin-top: 7px; display: flex; gap: 6px; }
.tag { font-size: 11px; padding: 1px 6px; text-transform: uppercase; letter-spacing: .05em; white-space: nowrap; border: 1px solid var(--ink); }
.tag.dig { background: var(--ink); color: var(--bg); }
.tag.sci { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.c { font-size: 13px; color: var(--ink-2); line-height: 26px; }
.c.per { font-variant-numeric: tabular-nums; }
.m { display: none; }
.linkbtn { background: none; border: 0; padding: 0; cursor: pointer; color: var(--ink-2); font: inherit; text-decoration: underline; text-decoration-color: var(--rule); text-underline-offset: 3px; }
.linkbtn:hover { color: var(--ink); text-decoration-color: var(--accent); }
.cbox { grid-column: 3 / -1; }
.empty { padding: 30px 0; color: var(--muted); }

/* comments */
.comments { margin: 14px 0 4px; padding: 4px 0 4px 16px; border-left: 3px solid var(--ink); max-width: 760px; }
.comment { margin: 0 0 14px; }
.comment p { margin: 3px 0 0; white-space: pre-wrap; overflow-wrap: anywhere; font: 16px/1.5 var(--serif); }
.comment .who { font-size: 12px; color: var(--muted); }
.comment .who b { color: var(--ink); font-weight: 600; }
form.cf, form.sf { display: grid; gap: 8px; max-width: 640px; }
input[type=text], input[type=email], textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--ink); background: var(--bg); border-radius: 0; font: 15px/1.45 var(--mono);
}
input[type=text]:focus, input[type=email]:focus, textarea:focus, .tools input[type=search]:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
textarea { min-height: 80px; resize: vertical; }
.hp { position: absolute; left: -5000px; }
.btn { justify-self: start; font: 600 13px var(--mono); padding: 7px 16px; border: 1px solid var(--ink); background: var(--ink); color: var(--bg); cursor: pointer; }
.btn:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.ghost { background: none; color: var(--ink); }
.note { font-size: 12.5px; color: var(--muted); }

/* detail */
.back { display: inline-block; margin: 20px 0 0; font-size: 13px; color: var(--muted); text-decoration: none; }
.back:hover { color: var(--ink); }
.head { display: grid; grid-template-columns: 46px 1fr; gap: 0 16px; padding: 16px 0 22px; border-bottom: 3px solid var(--ink); }
.head h1 { font: 500 32px/1.15 var(--serif); margin: 0; letter-spacing: -.012em; text-wrap: balance; max-width: 30em; }
.head .short { -webkit-line-clamp: unset; font-size: 19px; margin-top: 10px; max-width: 46em; }
.head .meta { margin-top: 12px; font-size: 13px; color: var(--ink-2); display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; }
.head .vote { padding-top: 8px; }
.detail { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 0 32px; }
section { display: contents; }
h2 { grid-column: 1; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .07em; margin: 0; padding: 20px 0; border-bottom: 1px solid var(--rule); }
.sbody { grid-column: 2; padding: 18px 0 8px; border-bottom: 1px solid var(--rule); }
.sbody > p { margin: 0 0 14px; max-width: 42em; font: 19.5px/1.55 var(--serif); }
ol.works, ul.archives { list-style: none; margin: 0; padding: 0; }
.works li { display: grid; grid-template-columns: 52px 1fr; gap: 0 14px; padding: 0 0 13px; font: 16px/1.45 var(--serif); }
.yr { font: 600 13px/22px var(--mono); color: var(--accent); font-variant-numeric: tabular-nums; }
.works .t { font-style: italic; }
.works .n { color: var(--ink-2); font: 13px/1.5 var(--mono); display: block; margin-top: 3px; max-width: 62em; }
.archives li { padding: 0 0 15px; font: 16px/1.45 var(--serif); }
.archives .rep { font-weight: 600; }
.archives .col { display: block; }
.archives .n { color: var(--ink-2); font: 13px/1.5 var(--mono); display: block; margin-top: 3px; max-width: 62em; }
.archives .tag { margin-left: 8px; vertical-align: 2px; font-size: 10px; border-color: var(--rule); color: var(--ink-2); }

/* admin, pages */
.page-title { font: 500 30px/1.2 var(--serif); margin: 26px 0 18px; }
.contact { font-size: 18px; }
.admin-item { padding: 14px 0; border-bottom: 1px solid var(--rule); }
.admin-item p { margin: 4px 0; white-space: pre-wrap; font: 16px/1.5 var(--serif); }
.admin-item .acts { display: flex; gap: 8px; margin-top: 8px; }
.admin h2 { padding: 18px 0 8px; border: 0; }
.del { color: var(--accent); margin-left: 8px; }

.foot { margin-top: 48px; border-top: 3px solid var(--ink); font-size: 13px; color: var(--ink-2); }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--ink); }
.foot-top { display: flex; justify-content: space-between; gap: 24px 48px; flex-wrap: wrap; padding: 26px 0 30px; border-bottom: 1px solid var(--rule); }
.stats { margin: 12px 0 0; display: flex; flex-wrap: wrap; gap: 4px 0; color: var(--muted); max-width: 640px; }
.stats span:not(:last-child)::after { content: "·"; margin: 0 10px; color: var(--rule); }
.foot-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.foot-sig { position: relative; padding: 30px 0 40px; }
.foot-sig .quiet { position: absolute; right: 0; top: 36px; font-size: 12px; }
.signature { --sig-fg: var(--ink); --sig-muted: var(--muted); --sig-rule: var(--rule); }
.quiet { color: var(--rule); }
.quiet:hover { color: var(--muted); }

@media (max-width: 980px) {
  .thead, .row { grid-template-columns: 52px 46px minmax(0, 1fr) 96px; }
  .thead button:nth-of-type(4), .thead button:nth-of-type(5), .thead button:nth-of-type(6), .row .c:not(.com) { display: none; }
  .m { display: block; font-size: 12.5px; color: var(--muted); margin-top: 6px; }
}
@media (max-width: 640px) {
  body { padding: 0 16px; }
  .top { flex-wrap: wrap; }
  nav { margin-left: 0; width: 100%; gap: 16px; }
  .mode { margin-left: auto; }
  .tools input[type=search] { width: 100%; }
  .count { margin-left: 0; }
  .thead { grid-template-columns: repeat(4, auto); justify-content: start; gap: 0 14px; }
  .thead button:nth-of-type(7) { display: none; }
  .row { grid-template-columns: 40px minmax(0, 1fr); gap: 0 10px; }
  .rank { display: none; }
  .row .c.com { grid-column: 2; line-height: 1.5; margin-top: 6px; }
  .cbox { grid-column: 1 / -1; }
  .head h1 { font-size: 25px; }
  .head { grid-template-columns: 40px 1fr; }
  .detail { grid-template-columns: 1fr; }
  h2, .sbody { grid-column: 1; }
  h2 { padding: 16px 0 0; border: 0; }
  .sbody { padding-top: 8px; }
}
.admin section { display: block; }
@media (max-width: 640px) {
  .foot-sig .quiet { position: static; display: block; text-align: center; margin-top: 18px; }
}

/* provenance and AI attribution */
.prov { margin: 14px 0 4px; font-size: 11.5px; color: var(--muted); }
.agent { display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; cursor: help; border-bottom: 1px dotted var(--muted); line-height: 1.2; vertical-align: -1px; }
.agent .bot { width: 12px; height: 12px; flex: none; color: var(--ink-2); }
.comment .who .agent { color: var(--ink); font-weight: 600; }

/* potential approach */
ul.steps { margin: 0; padding: 0; list-style: none; max-width: 42em; }
.steps li { position: relative; padding-left: 24px; margin: 0 0 11px; font: 19.5px/1.5 var(--serif); }
.steps li::before { content: ""; position: absolute; left: 3px; top: .6em; width: 7px; height: 7px; background: var(--accent); }
.ideas h3 { font-size: 11.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .07em; margin: 22px 0 10px; }
.ideas .comment { border-left: 3px solid var(--rule); padding-left: 14px; max-width: 46em; }
.idea-toggle { margin: 14px 0 6px; font-size: 13px; color: var(--ink); text-decoration-color: var(--accent); }
.slide { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s ease; }
.slide > div { overflow: hidden; }
.slide.open { grid-template-rows: 1fr; }
.slide.open > div { padding: 8px 0 6px; }
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
@media (max-width: 640px) { .cf-row { grid-template-columns: 1fr; } }
.sbody > p.prov { font: 11.5px/1.6 var(--mono); color: var(--muted); }

/* header image */
.head.has-img { grid-template-columns: 46px minmax(0, 1fr) minmax(240px, 400px); gap: 0 32px; align-items: start; }
.pic { margin: 6px 0 0; }
.pic img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; }
.pic figcaption { margin-top: 8px; font-size: 11px; line-height: 1.5; color: var(--muted); }
.pic figcaption a { color: inherit; }
.share { margin-left: 4px; }
@media (max-width: 860px) {
  .head.has-img { grid-template-columns: 40px minmax(0, 1fr); }
  .head.has-img .pic { grid-column: 1 / -1; grid-row: 1; margin: 0 0 18px; }
  .head.has-img .pic img { aspect-ratio: 16 / 9; object-fit: cover; }
}
@media (max-width: 640px) {
  .sbody > p, .steps li { font-size: 18px; }
}

/* about */
.about { max-width: 760px; }
.about .page-title { font-size: 34px; margin-top: 30px; }
.prose p { font: 19.5px/1.6 var(--serif); margin: 0 0 16px; }
.prose a { text-decoration-color: var(--accent); }
.prose h2 { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; margin: 40px 0 14px; padding: 16px 0 0; border: 0; border-top: 1px solid var(--rule); color: var(--ink); }
.donate {
  display: flex; align-items: center; justify-content: space-between; gap: 16px 32px; flex-wrap: wrap;
  margin: 30px 0 18px; padding: 22px 24px; border: 2px solid var(--ink); position: relative;
}
.donate::before { content: ""; position: absolute; left: -2px; top: -2px; width: 14px; height: 14px; background: var(--accent); }
.donate h2 { font: 500 25px/1.2 var(--serif); margin: 0; padding: 0; border: 0; text-transform: none; letter-spacing: -.005em; color: var(--ink); }
.donate-btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 12px 22px; font: 600 14px var(--mono); letter-spacing: .04em; text-transform: uppercase;
  background: var(--accent); color: var(--accent-ink); text-decoration: none; border: 2px solid var(--accent); transition: background .2s, color .2s;
}
.donate-btn:hover { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.contact-list { list-style: none; margin: 0; padding: 0; font-size: 14px; }
.contact-list li { display: grid; grid-template-columns: 150px 1fr; gap: 0 16px; padding: 9px 0; border-bottom: 1px solid var(--rule); color: var(--ink-2); }
.contact-list li span { color: var(--muted); text-transform: uppercase; font-size: 11.5px; letter-spacing: .06em; padding-top: 2px; }
.contact-list a { color: var(--ink); text-decoration-color: var(--accent); }
@media (max-width: 640px) {
  .prose p { font-size: 18px; }
  .contact-list li { grid-template-columns: 1fr; }
  .donate { padding: 18px; }
}

/* impact rating */
.rate { max-width: 980px; }
.rate-q { font: 500 22px/1.35 var(--serif); margin: 0 0 14px; max-width: 34em; }
.scale { list-style: none; margin: 0 0 14px; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 22px; font-size: 13px; color: var(--ink-2); }
.scale b { color: var(--accent); margin-right: 6px; }
.rf-who { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 18px 0 8px; }
.rate-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.rate-list li { display: grid; grid-template-columns: 30px minmax(0, 1fr) auto; gap: 0 16px; padding: 14px 0; border-bottom: 1px solid var(--rule); align-items: start; }
.rate-list .short { -webkit-line-clamp: 3; }
.rate-list details { margin-top: 6px; font-size: 12px; color: var(--muted); }
.rate-list summary { cursor: pointer; }
.rate-list textarea { margin-top: 6px; min-height: 56px; font-size: 14px; }
.pick { display: flex; gap: 4px; padding-top: 2px; }
.pick button { width: 34px; height: 34px; border: 1px solid var(--ink); background: var(--bg); cursor: pointer; font: 600 14px var(--mono); }
.pick button:hover { background: var(--bg-2); }
.pick button[aria-pressed=true] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.pick button[data-val="0"][aria-pressed=true] { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.rate-bar { position: sticky; bottom: 0; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 0; background: var(--bg); border-top: 3px solid var(--ink); font-size: 13px; color: var(--ink-2); }
.admin-scores { margin: 6px 0; padding-left: 0; list-style: none; font-size: 14px; }
.admin-scores b { color: var(--accent); display: inline-block; width: 18px; }
@media (max-width: 760px) {
  .rf-who { grid-template-columns: 1fr; }
  .rate-list li { grid-template-columns: 1fr; gap: 10px; }
  .rate-list .rank { display: none; }
  .pick button { width: 40px; height: 40px; }
}