/* 撑到几月 — one stylesheet, no framework, no client script.
   The palette is water in a dark tank: a deep blue-green ground, a wet
   highlight, and one warm colour reserved for the years it ran short. */

:root {
  --bg: #0b1418;
  --panel: #10202a;
  --panel2: #14262f;
  --line: #1e3843;
  --ink: #e6f2f4;
  --dim: #a9c3c9;
  --faint: #7793a0;
  --accent: #4fc3d9;
  --accent-dim: #2b7f92;
  --warn: #e8a33d;
  --bad: #e5674f;
  --ok: #58c9a3;
  --radius: 12px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  padding: 0 14px calc(28px + env(safe-area-inset-bottom));
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
        "Helvetica Neue", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  overflow-wrap: anywhere;
}

main { max-width: 760px; margin: 0 auto; }

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

.topbar {
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 0 14px;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}
.mark {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 11px;
  background: linear-gradient(160deg, var(--accent) 0%, var(--accent-dim) 100%);
  color: #06181e;
  font-size: 21px;
  line-height: 1;
}
.titles h1 {
  margin: 0;
  font-size: 22px;
  letter-spacing: .01em;
  font-weight: 650;
  text-wrap: balance;
}
.titles h1 .en {
  display: block;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--faint);
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-top: 2px;
}
.titles p { margin: 6px 0 0; color: var(--dim); font-size: 14px; }
.titles b { color: var(--ink); font-weight: 620; }

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

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin: 0 0 14px;
}
.panel h2 {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 640;
  letter-spacing: .02em;
}
.panel h2.spaced { margin-top: 20px; }
.panel.quiet { background: transparent; }
.panel.bad { border-left: 3px solid var(--warn); }

.sub { margin: 0 0 10px; color: var(--dim); font-size: 13.5px; }
.sub:last-child { margin-bottom: 0; }
.sub b { color: var(--ink); }
.sub.small { font-size: 12.5px; }
.tiny { margin: 10px 0 0; color: var(--faint); font-size: 12px; line-height: 1.55; }
.tiny b { color: var(--dim); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .92em; }

.warn-note {
  margin: 12px 0 0;
  padding: 10px 12px;
  border-left: 3px solid var(--warn);
  background: #1a2530;
  border-radius: 0 8px 8px 0;
  color: var(--dim);
  font-size: 12.5px;
  line-height: 1.55;
}
.warn-note b { color: var(--warn); }

/* ------------------------------------------------------------------- form */

.dials { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; }
.dial { display: flex; flex-direction: column; gap: 4px; min-width: 0; flex: 1 1 100px; }
.dial label { font-size: 11.5px; color: var(--faint); letter-spacing: .03em; }

.withunit { position: relative; display: block; }
.withunit input {
  width: 100%;
  padding: 9px 30px 9px 10px;
  background: #0b1a21;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--ink);
  font: 500 15px/1.2 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-variant-numeric: tabular-nums;
}
.withunit i {
  position: absolute;
  right: 9px; top: 50%;
  transform: translateY(-50%);
  font-style: normal;
  font-size: 11.5px;
  color: var(--faint);
  pointer-events: none;
}
input:focus-visible, textarea:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.lbl { display: block; margin: 12px 0 6px; color: var(--dim); font-size: 12.5px; line-height: 1.55; }
.lbl b { color: var(--ink); }

textarea {
  width: 100%;
  padding: 10px;
  background: #08151b;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--dim);
  font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  resize: vertical;
}

button {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel2);
  color: var(--ink);
}
.go {
  flex: 1 1 100%;
  margin-top: 12px;
  padding: 11px 16px;
  border: 0;
  background: linear-gradient(160deg, var(--accent) 0%, var(--accent-dim) 100%);
  color: #04161c;
  font-weight: 650;
  letter-spacing: .02em;
}

.egs { display: grid; grid-template-columns: 1fr; gap: 8px; }
@media (min-width: 560px) { .egs { grid-template-columns: 1fr 1fr; } }
.eg {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  text-align: left;
  min-width: 0;
}
.eg b { font-size: 13.5px; font-weight: 620; }
.eg span { font-size: 11.5px; color: var(--faint); line-height: 1.45; }
.eg.on { border-color: var(--accent); background: #12303a; }
.eg.on b { color: var(--accent); }

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

.verdict {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin: 0 0 14px;
  background: var(--panel);
  border-left-width: 3px;
}
.verdict > b { display: block; font-size: 18px; font-weight: 660; text-wrap: balance; }
.verdict .say { margin: 8px 0 0; color: var(--dim); font-size: 13.5px; }
.verdict .say b { color: var(--ink); }
.verdict.ok { border-left-color: var(--ok); }
.verdict.ok > b { color: var(--ok); }
.verdict.warn { border-left-color: var(--warn); }
.verdict.warn > b { color: var(--warn); }
.verdict.bad { border-left-color: var(--bad); }
.verdict.bad > b { color: var(--bad); }
.verdict.na { border-left-color: var(--faint); }
.verdict.na > b { color: var(--dim); }

.money {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin: 14px 0 0;
}
@media (min-width: 520px) { .money { grid-template-columns: repeat(3, 1fr); } }
.money .m {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  background: var(--panel2);
  border-radius: 9px;
  min-width: 0;
}
.money i {
  font-style: normal;
  font-size: 20px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}
.money em { font-style: normal; font-size: 11.5px; color: var(--faint); line-height: 1.4; }

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

svg.years { width: 100%; height: auto; display: block; margin: 4px 0 0; }
.years .gl { stroke: var(--line); stroke-width: 1; }
.years .gy, .years .gx { fill: var(--faint); font-size: 10px; }
.years .yb { fill: var(--accent-dim); }
.years .yb.short { fill: var(--bad); }

/* ----------------------------------------------------------------- levers */

.levers { display: grid; grid-template-columns: 1fr; gap: 8px; }
@media (min-width: 620px) { .levers { grid-template-columns: repeat(3, 1fr); } }
.lever {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3px;
  padding: 11px 12px;
  background: var(--panel2);
  border-radius: 9px;
  border-left: 3px solid var(--accent);
  min-width: 0;
}
.lever.no { border-left-color: var(--faint); opacity: .72; }
.lever b { font-size: 12px; font-weight: 600; color: var(--faint); letter-spacing: .03em; }
.lever .v { font-size: 17px; font-weight: 650; font-variant-numeric: tabular-nums; }
.lever.no .v { font-size: 14px; color: var(--dim); font-weight: 550; }
.lever .n { font-size: 11.5px; color: var(--faint); line-height: 1.45; }

.finding {
  padding: 11px 12px;
  border-radius: 9px;
  background: var(--panel2);
  border-left: 3px solid var(--line);
  margin: 0 0 12px;
}
.finding b { display: block; font-size: 14px; font-weight: 630; }
.finding p { margin: 5px 0 0; color: var(--dim); font-size: 13px; }
.finding.warn { border-left-color: var(--warn); }
.finding.warn b { color: var(--warn); }
.finding.bad { border-left-color: var(--bad); }
.finding.bad b { color: var(--bad); }

.payback {
  margin-top: 12px;
  padding: 11px 12px;
  background: var(--panel2);
  border-radius: 9px;
}

/* ------------------------------------------------------------------ table */

.scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.at { border-collapse: collapse; width: 100%; font-size: 12.5px; white-space: nowrap; }
table.at th, table.at td { padding: 7px 10px; text-align: right; }
table.at thead th {
  color: var(--faint);
  font-weight: 550;
  font-size: 11px;
  letter-spacing: .03em;
  border-bottom: 1px solid var(--line);
}
table.at tbody th { text-align: left; font-weight: 600; }
table.at tbody tr + tr th, table.at tbody tr + tr td { border-top: 1px solid #172c35; }
table.at td { font-variant-numeric: tabular-nums; color: var(--dim); }

/* --------------------------------------------------------------- bad lines */

.badlist { margin: 0; padding-left: 18px; color: var(--dim); font-size: 12.5px; }
.badlist li { margin-bottom: 4px; }
.badlist b { color: var(--ink); }
.badlist code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11.5px;
  color: var(--faint);
}
.badlist .more { list-style: none; margin-left: -18px; color: var(--faint); }
.gapnote { margin-top: 10px; }

.foot {
  max-width: 760px;
  margin: 8px auto 0;
  color: var(--faint);
  font-size: 11.5px;
  text-align: center;
}