/* 排队 — one stylesheet, no script anywhere on the page.
   Bar widths come in from a class rather than a style attribute, so the
   Content-Security-Policy can stay at style-src 'self' with no unsafe-inline.
   The .w0 … .w100 block at the bottom is generated for that reason. */

:root {
  --bg: #101418;
  --panel: #171c22;
  --panel2: #1d232b;
  --line: #2a323c;
  --ink: #e8edf3;
  --dim: #9aa7b5;
  --faint: #6d7b8a;
  --accent: #59b3ff;
  --ok: #4cc38a;
  --warn: #e8b13a;
  --bad: #ef6b5e;
  --edge: #c07be0;
  --r: 12px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.65 -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
        "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  padding: 0 0 max(28px, env(safe-area-inset-bottom));
  overflow-wrap: anywhere;
}

main {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ---------------------------------------------------------------- topbar */

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 780px;
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) 14px 16px;
}

.mark {
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: linear-gradient(150deg, #2b4d6d, #16212c);
  border: 1px solid #334657;
  color: var(--accent);
  display: grid;
  place-items: center;
  font-size: 21px;
  line-height: 1;
}

.titles h1 { margin: 0; font-size: 20px; letter-spacing: .04em; }
.titles p { margin: 2px 0 0; color: var(--dim); font-size: 13px; }

/* ---------------------------------------------------------------- panels */

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 15px 15px 16px;
}

.panel h2 {
  margin: 0 0 10px;
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--dim);
  font-weight: 600;
}

.panel.quiet { background: transparent; }
.panel.intro { background: linear-gradient(180deg, #182029, #171c22); }

.sub { margin: 0 0 9px; color: #c7d2de; font-size: 14px; }
.sub:last-child { margin-bottom: 0; }
.sub b, .say b { color: var(--ink); }

.tiny { margin: 10px 0 0; color: var(--faint); font-size: 12.5px; line-height: 1.6; }
.tiny b { color: var(--dim); }

.note {
  margin: 9px 0 0;
  padding: 9px 11px;
  background: var(--panel2);
  border-left: 2px solid var(--line);
  border-radius: 0 8px 8px 0;
  color: var(--dim);
  font-size: 13px;
}

.note.warn { border-left-color: var(--warn); color: #e5d3ad; }

code {
  font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  background: #0d1116;
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 5px;
  color: var(--dim);
}

/* ----------------------------------------------------------------- input */

.egs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 8px;
  margin-bottom: 13px;
}

.eg {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: left;
  padding: 9px 11px;
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--ink);
  font: inherit;
  cursor: pointer;
}

.eg b { font-size: 13.5px; font-weight: 600; }
.eg span { font-size: 11.5px; color: var(--faint); line-height: 1.45; }
.eg.on { border-color: var(--accent); background: #1b2836; }
.eg.on b { color: var(--accent); }
.eg:hover { border-color: #3d4a58; }

.lbl {
  display: block;
  margin: 0 0 7px;
  color: var(--dim);
  font-size: 13px;
}

.lbl b { color: var(--ink); }

textarea {
  width: 100%;
  background: #0d1116;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--ink);
  padding: 10px 11px;
  font: 12.5px/1.6 ui-monospace, SFMono-Regular, Menlo, monospace;
  resize: vertical;
}

textarea:focus, input:focus, select:focus, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.dials {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px;
  margin-top: 11px;
}

.dial { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.dial label { font-size: 12px; color: var(--dim); }
.dial em { font-size: 11px; color: var(--faint); font-style: normal; }

.dial input, .dial select {
  width: 108px;
  background: #0d1116;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  padding: 7px 9px;
  font: inherit;
  font-size: 14px;
}

.go {
  margin-left: auto;
  padding: 9px 26px;
  border: 0;
  border-radius: 9px;
  background: var(--accent);
  color: #06121c;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.go:hover { background: #74c1ff; }

/* ------------------------------------------------------------------ gate */

.gate.pass { border-left: 3px solid var(--ok); }
.gate.fail { border-left: 3px solid var(--warn); }

.checks { display: flex; flex-direction: column; gap: 6px; }

.chk {
  display: grid;
  grid-template-columns: 18px 1fr auto;
  align-items: baseline;
  gap: 8px;
  font-size: 13.5px;
}

.chk .mk { font-size: 13px; }
.chk.y .mk { color: var(--ok); }
.chk.n .mk { color: var(--bad); }
.chk.n .l { color: #f0c0ba; }
.chk .need { color: var(--faint); font-size: 11.5px; text-align: right; }
.chk.y .need { opacity: .55; }

.badlist { margin: 0; padding-left: 18px; color: var(--dim); font-size: 13px; }
.badlist li { margin-bottom: 4px; }
.badlist b { color: var(--ink); }
.panel.bad { border-left: 3px solid var(--warn); }

/* --------------------------------------------------------------- verdict */

.verdict {
  border-radius: var(--r);
  border: 1px solid var(--line);
  padding: 15px;
  background: var(--panel);
  border-left-width: 3px;
}

.verdict > b { display: block; font-size: 17px; margin-bottom: 5px; }
.verdict .say { margin: 0; color: #c7d2de; font-size: 13.5px; }

.verdict.easy { border-left-color: var(--ok); }
.verdict.easy > b { color: var(--ok); }
.verdict.tight { border-left-color: var(--warn); }
.verdict.tight > b { color: var(--warn); }
.verdict.cliff { border-left-color: var(--bad); }
.verdict.cliff > b { color: var(--bad); }
.verdict.saturated { border-left-color: var(--bad); }
.verdict.saturated > b { color: var(--bad); }
.verdict.edge { border-left-color: var(--edge); }
.verdict.edge > b { color: var(--edge); }
.verdict.not_enough, .verdict.not_steady { border-left-color: var(--faint); }
.verdict.not_enough > b, .verdict.not_steady > b { color: var(--dim); }

/* ------------------------------------------------------------- measured */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 9px;
}

.cell {
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 10px 11px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.cell .v {
  font-size: 22px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.cell .k { font-size: 12px; color: var(--dim); }
.cell em { font-size: 11px; color: var(--faint); font-style: normal; }

.wq { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px; }
.wq .big {
  font-size: 38px;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.wq .u { font-size: 15px; color: var(--dim); }
.wq .band {
  margin-left: auto;
  font-size: 12px;
  color: var(--faint);
  font-variant-numeric: tabular-nums;
}

.obs {
  margin-top: 11px;
  padding-top: 11px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--dim);
}

.obs .k { color: var(--faint); font-size: 12px; margin-right: 6px; }
.obs b { color: var(--ink); font-variant-numeric: tabular-nums; }

/* ----------------------------------------------------------------- chart */

.curve { width: 100%; height: auto; display: block; margin: 4px 0 10px; }
.curve .gl { stroke: #232b34; stroke-width: 1; }
.curve .cv { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linejoin: round; }
.curve .now { stroke: var(--warn); stroke-width: 1.5; stroke-dasharray: 4 3; }
.curve .nowlab { fill: var(--warn); font-size: 11px; }
.curve .gx, .curve .gy { fill: var(--faint); font-size: 11px; }
.curve .ax { fill: var(--faint); font-size: 11px; }

/* ------------------------------------------------------------------ rows */

.rows { display: flex; flex-direction: column; gap: 3px; }

.row {
  display: grid;
  grid-template-columns: 46px 1fr 62px;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  padding: 2px 4px;
  border-radius: 6px;
}

.rows.levers .row { grid-template-columns: 84px 1fr 62px 74px; }

.row.here { background: #1e2732; }
.row .d { color: var(--dim); font-variant-numeric: tabular-nums; }
.row.here .d { color: var(--warn); font-weight: 700; }
.row .ln { font-size: 13px; }
.row .o {
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}
.row .g { text-align: right; font-size: 12px; color: var(--ok); }

.row .t {
  position: relative;
  display: block;
  height: 11px;
  background: #0d1116;
  border-radius: 3px;
  overflow: hidden;
}

.row .bar {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
}

.row .bar.good { background: var(--ok); }

.lnote {
  font-size: 11.5px;
  color: var(--faint);
  padding: 0 4px 6px 92px;
  margin-top: -2px;
}

/* --------------------------------------------------------------- formula */

.eq {
  margin: 4px 0 10px;
  padding: 12px;
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 9px;
  font-size: 15px;
  text-align: center;
  line-height: 2;
}

.eq b { color: var(--ink); }
.f1 { color: var(--bad); }
.f2 { color: var(--warn); }
.f3 { color: var(--accent); }

.foot {
  max-width: 780px;
  margin: 22px auto 0;
  padding: 0 14px;
  color: var(--faint);
  font-size: 11.5px;
  text-align: center;
}

@media (max-width: 430px) {
  .wq .big { font-size: 32px; }
  .wq .band { margin-left: 0; width: 100%; }
  .row { grid-template-columns: 40px 1fr 56px; }
  .rows.levers .row { grid-template-columns: 76px 1fr 54px 66px; }
  .lnote { padding-left: 84px; }
  .go { margin-left: 0; width: 100%; }
}

/* Bar widths, 2% apart. Generated rather than written inline, because an
   inline style attribute would need unsafe-inline in the CSP and one page in
   this portfolio already shipped with every bar silently collapsed to zero
   height for exactly that reason. */
.w0{width:0}.w2{width:2%}.w4{width:4%}.w6{width:6%}.w8{width:8%}
.w10{width:10%}.w12{width:12%}.w14{width:14%}.w16{width:16%}.w18{width:18%}
.w20{width:20%}.w22{width:22%}.w24{width:24%}.w26{width:26%}.w28{width:28%}
.w30{width:30%}.w32{width:32%}.w34{width:34%}.w36{width:36%}.w38{width:38%}
.w40{width:40%}.w42{width:42%}.w44{width:44%}.w46{width:46%}.w48{width:48%}
.w50{width:50%}.w52{width:52%}.w54{width:54%}.w56{width:56%}.w58{width:58%}
.w60{width:60%}.w62{width:62%}.w64{width:64%}.w66{width:66%}.w68{width:68%}
.w70{width:70%}.w72{width:72%}.w74{width:74%}.w76{width:76%}.w78{width:78%}
.w80{width:80%}.w82{width:82%}.w84{width:84%}.w86{width:86%}.w88{width:88%}
.w90{width:90%}.w92{width:92%}.w94{width:94%}.w96{width:96%}.w98{width:98%}
.w100{width:100%}