/* privacy.evemisslab.com — APBSC
   Palette: ledger paper, green-black ink, cobalt for the boundary.
   Warning levels use one amber ramp, light to dark (sequential, ordinal).
   No external resources: every font is served from this host. */

@font-face { font-family: "Archivo"; src: url("/assets/fonts/archivo-wdth.woff2") format("woff2");
  font-weight: 100 900; font-stretch: 62% 125%; font-display: swap; }
@font-face { font-family: "Source Serif 4"; src: url("/assets/fonts/source-serif-4.woff2") format("woff2");
  font-weight: 200 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Source Serif 4"; src: url("/assets/fonts/source-serif-4-italic.woff2") format("woff2");
  font-weight: 200 900; font-style: italic; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("/assets/fonts/ibm-plex-mono-400.woff2") format("woff2");
  font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("/assets/fonts/ibm-plex-mono-500.woff2") format("woff2");
  font-weight: 500 700; font-display: swap; }

:root {
  --paper: #EEF0EA;
  --paper-2: #E3E7DF;
  --paper-3: #D7DDD3;
  --ink: #1D2321;
  --ink-2: #47514C;
  --muted: #6B7470;
  --rule: #C3CAC1;
  --boundary: #2B4BAE;
  --pass: #2E7D4F;
  --hyp: #85650F;
  --redact: #151918;
  --priv-bg: #E8DDB9;
  --l0: #E3D3A0; --l1: #C69A3E; --l2: #94600F; --l3: #5F3206; --l4: #3A1D03;
  --on-l-light: #1D2321; --on-l-dark: #F4F1E6;
  --void: #8C948F;

  --f-display: "Archivo", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", "Heiti TC", system-ui, sans-serif;
  --f-body: "Source Serif 4", Georgia, "Noto Serif TC", "Songti TC", serif;
  --f-body-zh: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", "Heiti TC", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, "Noto Sans Mono CJK TC", monospace;

  --wrap: 1120px;
  --gut: clamp(20px, 5vw, 48px);
  --radius: 8px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #121614;
    --paper-2: #1A1F1C;
    --paper-3: #232A26;
    --ink: #DCE2DD;
    --ink-2: #AAB3AE;
    --muted: #868F8A;
    --rule: #303834;
    --boundary: #91A9F2;
    --pass: #74C394;
    --hyp: #D8B65C;
    --redact: #DCE2DD;
    --priv-bg: #3D3620;
    --l0: #4A3F20; --l1: #7D6127; --l2: #B38735; --l3: #E2B866; --l4: #F3DCA4;
    --on-l-light: #EDE6D3; --on-l-dark: #17130A;
    --void: #6A736E;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 18px;
  line-height: 1.6;
  font-optical-sizing: auto;
  font-kerning: normal;
}
body.lang-zh { font-family: var(--f-body-zh); font-size: 17px; line-height: 1.85; }

a { color: var(--boundary); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--boundary); outline-offset: 3px; border-radius: 3px; }
code { font-family: var(--f-mono); font-size: 0.86em; background: var(--paper-2); padding: 0.06em 0.32em; border-radius: 4px; }
b, strong { font-weight: 650; }

.wrap { max-width: calc(var(--wrap) + 2 * var(--gut)); margin-inline: auto; padding-inline: var(--gut); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -48px; background: var(--ink); color: var(--paper); padding: 8px 14px; border-radius: 6px; z-index: 10; }
.skip:focus { top: 12px; }

/* ------------------------------------------------------------ header */

.site-head { border-bottom: 1px solid var(--rule); }
.head-row { display: flex; align-items: center; gap: 28px; min-height: 68px; flex-wrap: wrap; padding-block: 10px; }
.wordmark { display: flex; align-items: baseline; gap: 12px; color: var(--ink); text-decoration: none; margin-right: auto; }
.wordmark b { font-family: var(--f-display); font-stretch: 72%; font-weight: 820; font-size: 26px; letter-spacing: 0.02em; line-height: 1; }
.wordmark span { font-family: var(--f-mono); font-size: 11.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-2); }
.site-nav { display: flex; gap: 22px; }
.site-nav a { font-family: var(--f-display); font-stretch: 88%; font-weight: 560; font-size: 16px; color: var(--ink); text-decoration: none; padding-block: 4px; border-bottom: 2px solid transparent; }
.site-nav a:hover { border-bottom-color: var(--rule); }
.site-nav a[aria-current="page"] { border-bottom-color: var(--boundary); }
.lang-switch { font-family: var(--f-mono); font-size: 13px; color: var(--ink); text-decoration: none; border: 1px solid var(--rule); border-radius: 999px; padding: 3px 12px; }
.lang-switch:hover { border-color: var(--ink-2); }
@media (max-width: 720px) {
  .wordmark span { display: none; }
  .site-nav { gap: 16px; order: 3; width: 100%; }
}

/* ------------------------------------------------------------ type */

.eyebrow { font-family: var(--f-mono); font-size: 12.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); margin: 0 0 18px; }
.display { font-family: var(--f-display); font-stretch: 70%; font-weight: 720; font-size: clamp(2.6rem, 6.4vw, 5.6rem); line-height: 0.98; letter-spacing: -0.012em; margin: 0; }
.lang-zh .display { font-weight: 800; line-height: 1.16; letter-spacing: 0.01em; font-size: clamp(2.3rem, 5.6vw, 4.6rem); }
.display span { display: block; }
.hero .display span:first-child { color: var(--ink-2); }
.lede { font-size: clamp(1.08rem, 1.6vw, 1.3rem); max-width: 46em; color: var(--ink); margin: 26px 0 0; }
.lang-zh .lede { max-width: 40em; }
h2 { font-family: var(--f-display); font-stretch: 80%; font-weight: 660; font-size: 1.7rem; line-height: 1.15; margin: 0 0 14px; }
h3 { font-family: var(--f-display); font-stretch: 86%; font-weight: 640; font-size: 1.28rem; line-height: 1.2; margin: 0 0 8px; }
h4 { font-family: var(--f-mono); font-weight: 500; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 6px; }
.mono { font-family: var(--f-mono); font-size: 13px; }

.hero { padding-top: clamp(48px, 9vw, 112px); padding-bottom: 40px; }
.page-head { padding-top: clamp(44px, 7vw, 88px); padding-bottom: 28px; }
.band { padding-block: clamp(40px, 6vw, 72px); background: linear-gradient(var(--rule), var(--rule)) no-repeat center top / calc(100% - 2 * var(--gut)) 1px; }
.page-head + .band { background: none; padding-top: 12px; }
.band-head { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 12px 40px; align-items: baseline; margin-bottom: 26px; }
.band-head p, .band-p { margin: 0; color: var(--ink-2); max-width: 44em; }
.band-p { margin-bottom: 22px; }
@media (max-width: 820px) { .band-head { grid-template-columns: 1fr; } }
.more { margin: 26px 0 0; font-family: var(--f-display); font-stretch: 88%; font-weight: 560; }
.note, .caveat { color: var(--ink-2); font-size: 0.92em; }
.caveat { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-family: var(--f-mono); font-size: 13px; margin-top: 18px; }

/* ------------------------------------------------------------ stamps (knowledge state) */

.stamp { display: inline-flex; align-items: center; gap: 8px; font-family: var(--f-mono); white-space: nowrap; vertical-align: middle; }
.stamp b { display: inline-grid; place-items: center; min-width: 28px; height: 28px; padding-inline: 4px; font-weight: 600; font-size: 13px; border-radius: 4px; }
.stamp span { font-size: 11.5px; letter-spacing: 0.07em; text-transform: uppercase; color: var(--ink-2); }
.stamp-O b { border: 1.5px solid var(--ink); }
.stamp-H b { border: 1.5px dashed var(--hyp); color: var(--hyp); }
.stamp-E b { border: 3px double var(--pass); color: var(--pass); }
.stamp-NM b { border: 1.5px dotted var(--muted); color: var(--muted); font-size: 11px; }
.stamp-sm b { min-width: 24px; height: 24px; font-size: 12px; }
.stamp-sm span { font-size: 10.5px; }

/* ------------------------------------------------------------ hero strip (signature) */

.strip {
  margin: 8px 0 clamp(40px, 6vw, 72px);
  background: var(--paper-2);
  border-radius: 12px;
  padding: clamp(18px, 3vw, 32px);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) 52px repeat(2, minmax(0, 1fr));
  column-gap: 14px;
  row-gap: 20px;
}
.strip .stages { display: contents; list-style: none; }
.stage { padding-top: 16px; border-top: 2px solid var(--ink); position: relative; display: flex; flex-direction: column; gap: 4px; }
.stage::before { content: ""; position: absolute; top: -7px; left: 0; width: 12px; height: 12px; border-radius: 50%; background: var(--ink); }
.stage.side-out { border-top-style: solid; border-top-color: var(--ink-2); }
.stage.side-out::before { background: var(--paper-2); border: 2px solid var(--ink-2); }
.stage-name { font-family: var(--f-display); font-stretch: 78%; font-weight: 700; font-size: 15px; letter-spacing: 0.04em; text-transform: uppercase; }
.lang-zh .stage-name { letter-spacing: 0.06em; font-size: 16px; }
.stage-desc { font-size: 14.5px; line-height: 1.45; color: var(--ink-2); }
.stage-1, .stage-2, .stage-3 { grid-row: 1; }
.stage-1 { grid-column: 1; } .stage-2 { grid-column: 2; } .stage-3 { grid-column: 3; }
.stage-4 { grid-column: 5; grid-row: 1; } .stage-5 { grid-column: 6; grid-row: 1; }
.boundary { grid-column: 4; grid-row: 1 / 3; position: relative; display: flex; justify-content: center; }
.boundary::before { content: ""; position: absolute; top: -10px; bottom: -10px; left: 50%; border-left: 2px dashed var(--boundary); }
.boundary span {
  position: relative; writing-mode: vertical-rl; transform: rotate(180deg);
  font-family: var(--f-mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--boundary); background: var(--paper-2); padding-block: 8px; align-self: center;
}
.lang-zh .boundary span { transform: none; letter-spacing: 0.3em; text-transform: none; font-size: 13px; }
.snippet { grid-row: 2; background: var(--paper); border-radius: var(--radius); padding: 14px 16px 16px; }
.snippet-in { grid-column: 1 / 4; }
.snippet-out { grid-column: 5 / 7; }
.snippet .file { display: block; font-family: var(--f-mono); font-size: 11.5px; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 6px; }
.snippet code { display: block; background: none; padding: 0; font-size: 14.5px; line-height: 1.75; color: var(--ink); overflow-wrap: anywhere; }
.priv { background: var(--priv-bg); border-radius: 3px; padding: 0.06em 0.2em; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.redact {
  color: transparent; border-radius: 2px; user-select: none; -webkit-user-select: none;
  background: linear-gradient(var(--redact), var(--redact)) no-repeat 0 50% / 100% 78%;
  animation: redact 700ms cubic-bezier(.2,.7,.2,1) 450ms both;
  box-decoration-break: clone; -webkit-box-decoration-break: clone;
  word-break: break-all;
}
@keyframes redact { from { background-size: 0% 78%; } to { background-size: 100% 78%; } }
.strip figcaption { grid-column: 1 / -1; grid-row: 3; font-size: 15px; color: var(--ink-2); max-width: 54em; }
.synthetic { display: inline-block; font-family: var(--f-mono); font-size: 12px; color: var(--muted); }
@media (max-width: 860px) {
  .strip { grid-template-columns: 1fr; row-gap: 18px; }
  .stage-1, .stage-2, .stage-3, .stage-4, .stage-5, .snippet-in, .snippet-out, .boundary, .strip figcaption { grid-column: 1; grid-row: auto; }
  .stage-1 { order: 1; } .stage-2 { order: 2; } .stage-3 { order: 3; } .snippet-in { order: 4; }
  .boundary { order: 5; min-height: 36px; align-items: center; }
  .boundary::before { top: 50%; bottom: auto; left: -8px; right: -8px; border-left: 0; border-top: 2px dashed var(--boundary); }
  .boundary span { writing-mode: horizontal-tb; transform: none; padding-inline: 10px; padding-block: 0; }
  .stage-4 { order: 6; } .stage-5 { order: 7; } .snippet-out { order: 8; } .strip figcaption { order: 9; }
}
@media (prefers-reduced-motion: reduce) {
  .redact { animation: none; background-size: 100% 78%; }
}

/* ------------------------------------------------------------ ledger */

.ledger { list-style: none; padding: 0; margin: 0; }
.ledger-row { display: grid; grid-template-columns: 170px minmax(0, 1fr) auto; gap: 8px 24px; align-items: baseline; padding: 14px 0; border-top: 1px solid var(--rule); }
.ledger-row:last-child { border-bottom: 1px solid var(--rule); }
.ledger-row p { margin: 0; }
.ledger-src { font-family: var(--f-mono); font-size: 12px; color: var(--muted); text-align: right; }
.ledger-e { display: flex; gap: 14px; align-items: center; margin: 18px 0 0; color: var(--ink-2); }
@media (max-width: 720px) {
  .ledger-row { grid-template-columns: 1fr; gap: 6px; }
  .ledger-src { text-align: left; }
}

/* ------------------------------------------------------------ home: surface totals */

.totals { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.totals-cell { background: var(--paper-2); border-radius: var(--radius); padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 2px; border-top: 4px solid var(--paper-3); }
.totals-hot { border-top-color: var(--l3); }
.totals-surface { font-family: var(--f-display); font-stretch: 84%; font-weight: 640; font-size: 17px; }
.totals-n { font-family: var(--f-display); font-stretch: 66%; font-weight: 760; font-size: 72px; line-height: 1; margin-top: 8px; font-variant-numeric: tabular-nums; }
.totals-of { font-family: var(--f-mono); font-size: 12.5px; color: var(--ink-2); }
@media (max-width: 720px) { .totals { grid-template-columns: 1fr; } .totals-n { font-size: 56px; } }

/* ------------------------------------------------------------ paper lists */

.paper-list { list-style: none; padding: 0; margin: 0; }
.paper-list a { display: grid; grid-template-columns: 52px minmax(0, 1fr) auto; gap: 18px; align-items: baseline; padding: 13px 0; border-top: 1px solid var(--rule); color: var(--ink); text-decoration: none; }
.paper-list li:last-child a { border-bottom: 1px solid var(--rule); }
.paper-list a:hover .pl-t { color: var(--boundary); }
.pl-n, .pi-n { font-family: var(--f-mono); font-size: 14px; color: var(--muted); }
.pl-k { font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-2); text-align: right; }
@media (max-width: 720px) { .paper-list a { grid-template-columns: 40px 1fr; } .pl-k { grid-column: 2; text-align: left; } }

.paper-index { list-style: none; padding: 0; margin: 0 0 40px; }
.pi a { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 20px; padding: 26px 0; border-top: 1px solid var(--rule); color: var(--ink); text-decoration: none; }
.pi:last-child a { border-bottom: 1px solid var(--rule); }
.pi-n { font-family: var(--f-display); font-stretch: 62%; font-weight: 780; font-size: 64px; line-height: 0.9; color: var(--ink-2); }
.pi-body { display: flex; flex-direction: column; gap: 6px; }
.pi-k { font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.pi-t { font-family: var(--f-display); font-stretch: 84%; font-weight: 650; font-size: 1.32rem; line-height: 1.22; }
.pi-l { color: var(--ink-2); max-width: 44em; }
.pi a:hover .pi-t { color: var(--boundary); }
@media (max-width: 640px) { .pi a { grid-template-columns: 1fr; gap: 6px; } .pi-n { font-size: 44px; } }

/* ------------------------------------------------------------ paper page */

.paper { padding-top: clamp(40px, 6vw, 80px); padding-bottom: 40px; }
.paper-head { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 32px; align-items: start; }
.paper-n { font-family: var(--f-display); font-stretch: 62%; font-weight: 820; font-size: 150px; line-height: 0.8; margin: 0; color: var(--paper-3); -webkit-text-stroke: 1.5px var(--ink-2); }
.paper-head h1 { font-family: var(--f-display); font-stretch: 78%; font-weight: 700; font-size: clamp(1.9rem, 3.6vw, 2.9rem); line-height: 1.06; margin: 0 0 16px; }
.lang-zh .paper-head h1 { line-height: 1.3; font-weight: 760; }
.dek { font-size: 1.18rem; margin: 0 0 14px; max-width: 40em; }
.draft { font-family: var(--f-mono); font-size: 12.5px; color: var(--muted); margin: 0; }
.formula { margin: 36px 0 8px; padding: 16px 20px; background: var(--paper-2); border-left: 3px solid var(--boundary); border-radius: 0 var(--radius) var(--radius) 0; overflow-x: auto; }
.formula code { background: none; padding: 0; font-size: 16px; white-space: nowrap; }
.paper-sec { margin-top: 44px; max-width: 760px; }
.paper-sec h2 { font-size: 1.25rem; font-stretch: 84%; color: var(--ink-2); text-transform: none; }
.prose p { margin: 0 0 1.05em; }
.ideas, .nots, .checklist { list-style: none; padding: 0; margin: 0; }
.ideas li, .nots li, .checklist li { position: relative; padding: 9px 0 9px 30px; border-top: 1px solid var(--rule); }
.ideas li::before { content: ""; position: absolute; left: 4px; top: 1.05em; width: 9px; height: 9px; background: var(--ink); border-radius: 2px; }
.nots li::before { content: "✕"; position: absolute; left: 2px; top: 9px; font-family: var(--f-mono); font-size: 14px; color: var(--muted); }
.nots li { color: var(--ink-2); }
@media (max-width: 760px) {
  .paper-head { grid-template-columns: 1fr; gap: 8px; }
  .paper-n { font-size: 96px; }
}
.pager { display: grid; grid-template-columns: 1fr auto 1fr; gap: 20px; margin-top: 64px; padding-top: 22px; border-top: 1px solid var(--rule); font-family: var(--f-display); font-stretch: 88%; font-size: 15px; }
.pager a { text-decoration: none; }
.pager span { display: block; font-family: var(--f-mono); font-size: 11.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.pg-next { text-align: right; }
.pg-all { align-self: end; }
@media (max-width: 640px) { .pager { grid-template-columns: 1fr; } .pg-next { text-align: left; } }

/* ------------------------------------------------------------ evidence */

table { border-collapse: collapse; width: 100%; font-size: 15.5px; }
th, td { text-align: left; padding: 10px 12px 10px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
thead th { font-family: var(--f-mono); font-weight: 500; font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-2); border-bottom-color: var(--ink-2); }
td { font-variant-numeric: tabular-nums; }
.table-scroll { overflow-x: auto; }
.ledger-table td:first-child { width: 150px; }

.run { padding: 34px 0 6px; border-top: 1px dashed var(--rule); }
.run:first-of-type { border-top: 0; padding-top: 10px; }
.run > p { max-width: 46em; color: var(--ink-2); margin: 0 0 18px; }
.run-quiet { color: var(--ink-2); }
.allows { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 22px 0 18px; }
.allows > div { padding: 14px 18px; border-radius: var(--radius); background: var(--paper-2); }
.allow-yes { border-left: 3px solid var(--pass); }
.allow-no { border-left: 3px solid var(--muted); }
.allows p { margin: 0; font-size: 15.5px; line-height: 1.55; }
.allow-yes h4 { color: var(--pass); }
.allow-no h4 { color: var(--ink-2); }
@media (max-width: 720px) { .allows { grid-template-columns: 1fr; } }

.figs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 0; }
.figs-wide { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.figs div { background: var(--paper-2); border-radius: var(--radius); padding: 12px 16px; }
.figs dt { font-family: var(--f-mono); font-size: 11.5px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-2); }
.figs dd { margin: 4px 0 0; font-family: var(--f-display); font-stretch: 70%; font-weight: 740; font-size: 34px; line-height: 1.1; font-variant-numeric: tabular-nums; }
.figs dd span { display: block; font-family: var(--f-mono); font-weight: 400; font-size: 12px; color: var(--ink-2); }
@media (max-width: 720px) { .figs, .figs-wide { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* charts: stacked bars of warning levels */
.legend { list-style: none; padding: 0; margin: 0 0 14px; display: flex; flex-wrap: wrap; gap: 6px 16px; font-family: var(--f-mono); font-size: 12px; color: var(--ink-2); }
.legend li { display: inline-flex; align-items: center; gap: 6px; }
.sw { width: 14px; height: 14px; border-radius: 3px; display: inline-block; }
.sw-l0, .seg-l0 { background: var(--l0); }
.sw-l1, .seg-l1 { background: var(--l1); }
.sw-l2, .seg-l2 { background: var(--l2); }
.sw-l3, .seg-l3 { background: var(--l3); }
.sw-l4, .seg-l4 { background: var(--l4); }
.sw-void, .seg-void { background: repeating-linear-gradient(135deg, var(--void) 0 1.5px, transparent 1.5px 6px); box-shadow: inset 0 0 0 1px var(--void); }
.strata { display: flex; flex-direction: column; gap: 10px; }
.strata-row { display: grid; grid-template-columns: 210px minmax(0, 1fr) 64px; gap: 16px; align-items: center; }
.strata-name { font-family: var(--f-display); font-stretch: 86%; font-weight: 600; font-size: 15px; }
.strata-n { font-family: var(--f-mono); font-size: 12.5px; color: var(--muted); }
@media (max-width: 640px) { .strata-row { grid-template-columns: 1fr; gap: 4px; } }
.bar { display: flex; gap: 2px; width: 100%; height: 28px; }
.seg { flex-grow: 0; flex-shrink: 1; min-width: 3px; border-radius: 4px; position: relative; overflow: hidden; cursor: default; }
.seg i { position: absolute; left: 7px; top: 50%; transform: translateY(-50%); font-style: normal; font-family: var(--f-mono); font-size: 12px; font-weight: 500; color: var(--on-l-light); }
.seg-l2 i, .seg-l3 i, .seg-l4 i { color: var(--on-l-dark); }
.seg-void i { color: var(--ink); background: var(--paper); padding: 0 3px; border-radius: 2px; }
.numbers { margin-top: 14px; font-size: 15px; }
.numbers summary { cursor: pointer; font-family: var(--f-mono); font-size: 12.5px; color: var(--boundary); width: fit-content; }
.numbers table { margin-top: 10px; }

/* the 3 × 3 matrix */
.matrix { display: grid; gap: 8px; margin-top: 6px; }
.mx-row { display: grid; grid-template-columns: 190px repeat(3, minmax(0, 1fr)); gap: 8px; align-items: stretch; }
.mx-col, .mx-rowhead { font-family: var(--f-display); font-stretch: 86%; font-weight: 620; font-size: 15px; align-self: end; }
.mx-rowhead { align-self: center; }
.mx-cell { background: var(--paper-2); border-radius: var(--radius); padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 10px; }
.mx-hot { box-shadow: inset 0 0 0 2px var(--l3); }
.mx-stat { margin: 0; font-family: var(--f-mono); font-size: 12px; color: var(--ink-2); }
.mx-stat b { font-family: var(--f-display); font-stretch: 70%; font-weight: 760; font-size: 28px; color: var(--ink); margin-right: 4px; vertical-align: -3px; }
.mx-stat span { display: block; }
.mx-empty { background: repeating-linear-gradient(135deg, var(--paper-2) 0 7px, var(--paper-3) 7px 8.5px); justify-content: center; align-items: center; min-height: 92px; }
.mx-absent { font-family: var(--f-mono); font-size: 12.5px; color: var(--ink-2); background: var(--paper); padding: 2px 8px; border-radius: 4px; }
.mx-cell .bar { height: 20px; }
.mx-cell .seg i { font-size: 11px; left: 5px; }
@media (max-width: 860px) {
  .mx-head { display: none; }
  .mx-row { grid-template-columns: 1fr; }
  .mx-cell::before { content: attr(data-surface); }
}

.levels { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; }
.levels li { display: grid; grid-template-columns: 60px 220px minmax(0, 1fr); gap: 16px; padding: 12px 0; border-top: 1px solid var(--rule); align-items: baseline; }
.lv-code { display: inline-grid; place-items: center; width: 40px; height: 26px; border-radius: 4px; font-family: var(--f-mono); font-size: 13px; font-weight: 600; color: var(--on-l-light); }
.lv-code.sw-l2, .lv-code.sw-l3, .lv-code.sw-l4 { color: var(--on-l-dark); }
.levels b { font-family: var(--f-display); font-stretch: 86%; font-weight: 640; }
.levels span:last-child { color: var(--ink-2); }
@media (max-width: 720px) { .levels li { grid-template-columns: 52px 1fr; } .levels li > span:last-child { grid-column: 2; } }

.runtime { list-style: none; padding: 0 0 0 22px; margin: 0; border-left: 2px solid var(--rule); }
.runtime li { display: grid; grid-template-columns: 150px minmax(0, 1fr) 90px; gap: 16px; padding: 10px 0; position: relative; align-items: baseline; }
.runtime li::before { content: ""; position: absolute; left: -29px; top: 1.05em; width: 12px; height: 12px; border-radius: 50%; background: var(--paper); border: 2px solid var(--ink-2); }
.rt-v { font-family: var(--f-mono); font-size: 13.5px; font-weight: 500; }
.rt-d { color: var(--ink-2); font-size: 16px; }
.rt-t { font-family: var(--f-mono); font-size: 13px; text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }
.rt-t::after { content: " tests"; }
.lang-zh .rt-t::after { content: " 項"; }
@media (max-width: 720px) { .runtime li { grid-template-columns: 1fr; gap: 2px; } .rt-t { text-align: left; } }

/* ------------------------------------------------------------ method */

.flow ol { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 6px; }
.fl { border-radius: var(--radius); padding: 14px 12px 16px; display: flex; flex-direction: column; gap: 6px; border: 1px solid var(--rule); }
.fl-sealed { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.fl-code { font-family: var(--f-mono); font-weight: 600; font-size: 22px; line-height: 1; }
.fl-name { font-family: var(--f-display); font-stretch: 84%; font-weight: 640; font-size: 15px; line-height: 1.2; }
.fl-desc { font-size: 13.5px; line-height: 1.45; opacity: 0.86; }
.fl-sealed .fl-desc { opacity: 0.8; }
.flow-zone { display: inline-flex; align-items: center; gap: 8px; margin-top: 12px; font-family: var(--f-mono); font-size: 12.5px; color: var(--ink-2); }
.flow-zone::before { content: ""; width: 14px; height: 14px; border-radius: 3px; background: var(--ink); }
.flow-compact .fl { padding: 12px 10px; }
@media (max-width: 980px) { .flow ol { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 560px) { .flow ol { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.rules { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 40px; }
.rules li { break-inside: avoid; padding: 12px 0 14px; border-top: 1px solid var(--rule); color: var(--ink-2); }
.rules b { display: block; color: var(--ink); font-family: var(--f-display); font-stretch: 86%; font-weight: 650; font-size: 1.05rem; margin-bottom: 2px; }
@media (max-width: 760px) { .rules { columns: 1; } }

.two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 48px; }
@media (max-width: 860px) { .two { grid-template-columns: 1fr; } }
.classes { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.classes li { background: var(--paper-2); border-radius: var(--radius); padding: 10px 12px; font-size: 15px; line-height: 1.35; display: flex; flex-direction: column; gap: 4px; }
.cl-code { font-family: var(--f-mono); font-size: 12px; color: var(--muted); }
@media (max-width: 520px) { .classes { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.recover { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 4px; }
.recover li { padding: 12px 10px 14px; border-radius: 4px; font-size: 14.5px; line-height: 1.3; display: flex; flex-direction: column; gap: 6px; }
.rc-code { font-family: var(--f-mono); font-weight: 600; font-size: 13px; }
.rc-r0 { background: var(--paper-2); }
.rc-r1 { background: color-mix(in srgb, var(--ink) 14%, var(--paper)); }
.rc-r2 { background: color-mix(in srgb, var(--ink) 30%, var(--paper)); }
.rc-r3 { background: color-mix(in srgb, var(--ink) 62%, var(--paper)); color: var(--paper); }
.rc-r4 { background: var(--ink); color: var(--paper); }
@media (max-width: 560px) { .recover { grid-template-columns: 1fr; } }

.states { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 0; font-family: var(--f-mono); font-size: 13.5px; }
.states li { display: inline-flex; align-items: center; }
.states li + li::before { content: "→"; margin: 0 10px; color: var(--muted); }
.states li { background: none; }
.states-side li + li::before { content: "·"; }
.side-label { font-family: var(--f-mono); font-size: 11.5px; letter-spacing: 0.07em; text-transform: uppercase; color: var(--muted); margin: 18px 0 6px; }
.checklist li::before { content: ""; position: absolute; left: 3px; top: 1.0em; width: 12px; height: 12px; border: 1.5px solid var(--ink); border-radius: 3px; }
.checklist { max-width: 820px; }

/* ------------------------------------------------------------ about / 404 */

.about { padding-bottom: 60px; }
.about-sec { max-width: 760px; padding-top: 28px; margin-top: 28px; border-top: 1px solid var(--rule); }
.about-sec:first-child { border-top: 0; margin-top: 0; padding-top: 0; }
.about-sec h2 { font-size: 1.35rem; }
.notfound { padding-bottom: 80px; display: grid; gap: 40px; }
.notfound .display { font-size: clamp(2rem, 5vw, 3.4rem); }

/* ------------------------------------------------------------ footer + tooltip */

.site-foot { background: var(--paper-2); margin-top: 40px; padding-block: 36px 44px; font-size: 14.5px; color: var(--ink-2); }
.foot-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 32px; }
.foot-grid p { margin: 0 0 8px; }
.foot-mark b { font-family: var(--f-display); font-stretch: 72%; font-weight: 800; color: var(--ink); letter-spacing: 0.02em; }
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr; gap: 16px; } }

.tip { position: fixed; z-index: 20; pointer-events: none; background: var(--ink); color: var(--paper); font-family: var(--f-mono); font-size: 12px; padding: 6px 9px; border-radius: 5px; max-width: 280px; line-height: 1.4; }

@media (forced-colors: active) {
  .seg, .sw { forced-color-adjust: none; border: 1px solid CanvasText; }
  .redact { forced-color-adjust: none; background: CanvasText; }
}

/* generated by build.py: chart widths (tenths of a percent) */
.w50{flex-basis:5.0%}
.w100{flex-basis:10.0%}
.w150{flex-basis:15.0%}
.w200{flex-basis:20.0%}
.w250{flex-basis:25.0%}
.w300{flex-basis:30.0%}
.w450{flex-basis:45.0%}
.w600{flex-basis:60.0%}
.w700{flex-basis:70.0%}
.w750{flex-basis:75.0%}
.w800{flex-basis:80.0%}
.w850{flex-basis:85.0%}