:root {
  --paper: #16181D;
  --panel: #1D2026;
  --panel-2: #22262D;
  --ink: #E8E7E2;
  --ink-soft: #B8BCC6;
  --muted: #8A909C;
  --line: #2C3038;
  --accent: #E8455F;
  --accent-deep: #C8102E;
  --go: #4CBE85;
  --go-bg: #16311F;
  --warn: #E0A050;
  --warn-bg: #33270F;
  --stop: #F06A80;
  --stop-bg: #3A1A20;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Barlow', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

.wrap { max-width: 1020px; margin: 0 auto; padding: 0 20px; }

.masthead {
  border-bottom: 1px solid var(--line);
  border-top: 4px solid var(--accent-deep);
  background: var(--panel);
}
.masthead-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding-top: 18px; padding-bottom: 18px; flex-wrap: wrap;
}
.brand {
  font-family: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  font-weight: 700; font-size: 30px; letter-spacing: 0.04em; margin: 0; line-height: 1;
}
.brand span { color: var(--accent); }
.tagline {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 11.5px; color: var(--muted); margin: 4px 0 0; letter-spacing: 0.08em; text-transform: uppercase;
}
.nav { display: flex; gap: 18px; flex-wrap: wrap; }
.nav a {
  color: var(--ink-soft); text-decoration: none;
  font-family: 'Barlow Condensed', sans-serif; font-weight: 600; font-size: 16px;
  letter-spacing: 0.06em; text-transform: uppercase;
}
.nav a:hover, .nav a:focus-visible { color: var(--accent); }

.hero { padding: 44px 0 8px; }
.hero h1 {
  font-family: 'Barlow Condensed', sans-serif; font-weight: 700;
  font-size: clamp(34px, 6vw, 52px); line-height: 1.03; margin: 0 0 12px; text-wrap: balance;
}
.hero p { color: var(--ink-soft); max-width: 68ch; margin: 0; font-size: 17.5px; }

.panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 26px 26px 28px; margin: 28px 0;
}
.panel h2 {
  font-family: 'Barlow Condensed', sans-serif; font-weight: 700; font-size: 27px;
  margin: 0 0 6px;
}
.panel-sub { color: var(--muted); font-size: 14.5px; margin: 0 0 20px; max-width: 72ch; }

.calc-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px 16px;
}
.calc-grid.inner { margin-top: 12px; grid-template-columns: repeat(3, 1fr); }
.span2 { grid-column: span 3; }
@media (min-width: 720px) { .span2 { grid-column: span 3; } }

.field { display: flex; flex-direction: column; gap: 5px; }
.field > span {
  font-family: 'Barlow Condensed', sans-serif; font-weight: 600; font-size: 13.5px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
}
.field > span em { text-transform: none; letter-spacing: 0; font-style: normal; color: var(--warn); }
.field input, .field select {
  background: var(--panel-2); color: var(--ink);
  border: 1px solid var(--line); border-radius: 6px;
  padding: 9px 11px; font-size: 15px; font-family: inherit; width: 100%;
}
.field input[type="number"] { font-family: 'IBM Plex Mono', ui-monospace, monospace; font-size: 14px; }
.field input:focus-visible, .field select:focus-visible, .btn:focus-visible, .nav a:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 1px;
}
.checkline { flex-direction: row; align-items: center; gap: 10px; }
.checkline > span { text-transform: none; letter-spacing: 0; font-size: 14px; color: var(--ink-soft); font-family: 'Barlow', sans-serif; font-weight: 400; }
.checkline input { width: 17px; height: 17px; accent-color: var(--accent-deep); }

.advanced summary {
  cursor: pointer; color: var(--muted); font-size: 13.5px;
  font-family: 'Barlow Condensed', sans-serif; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
}

.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 4px; }
.btn {
  font-family: 'Barlow Condensed', sans-serif; font-weight: 600; font-size: 16px;
  letter-spacing: 0.06em; text-transform: uppercase;
  background: var(--panel-2); color: var(--ink);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 10px 26px; cursor: pointer;
}
.btn.primary { background: var(--accent-deep); border-color: var(--accent-deep); color: #fff; }
.btn.primary:hover { background: #A50D26; }
.btn:hover:not(:disabled) { border-color: var(--accent); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.result {
  margin-top: 22px; border-top: 1px solid var(--line); padding-top: 18px;
}
.result-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.verdict {
  font-family: 'Barlow Condensed', sans-serif; font-weight: 700; font-size: 15px;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 4px 14px; border-radius: 999px;
}
.verdict.go { color: var(--go); background: var(--go-bg); }
.verdict.warn { color: var(--warn); background: var(--warn-bg); }
.verdict.stop { color: var(--stop); background: var(--stop-bg); }
.verdict-title { color: var(--ink-soft); font-size: 15px; }

.result-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px;
}
.stat { background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; }
.stat-label {
  display: block; font-family: 'Barlow Condensed', sans-serif; font-weight: 600;
  font-size: 12.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
}
.stat-val {
  display: block; font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-variant-numeric: tabular-nums; font-size: 19px; margin-top: 2px;
}
.stat-val.good { color: var(--go); }
.stat-val.bad { color: var(--stop); }

.notes { margin: 14px 0 0; padding-left: 20px; color: var(--ink-soft); font-size: 14px; }
.notes li { margin-bottom: 4px; }
.notes li.warn { color: var(--warn); }
.notes li.stop { color: var(--stop); }

.queue-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.capbar-wrap { display: flex; align-items: center; gap: 10px; }
.capbar { width: 160px; height: 8px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.capbar-fill { height: 100%; width: 0; background: var(--go); border-radius: 999px; transition: width 0.2s; }
.capbar-fill.over { background: var(--stop); }
.capbar-label { font-family: 'IBM Plex Mono', ui-monospace, monospace; font-size: 12px; color: var(--muted); }

.tablewrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
table { border-collapse: collapse; width: 100%; font-size: 14.5px; }
th {
  font-family: 'Barlow Condensed', sans-serif; font-weight: 600; font-size: 13px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
  text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); white-space: nowrap;
}
td { padding: 9px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
td.n, th.n {
  text-align: right; font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-variant-numeric: tabular-nums; font-size: 13.5px; white-space: nowrap;
}
.rowbtn {
  background: none; border: none; color: var(--muted); cursor: pointer; font-size: 15px; padding: 2px 6px;
}
.rowbtn:hover { color: var(--stop); }
.empty { color: var(--muted); font-size: 14px; padding: 16px 14px; margin: 0; }
.batch-status { margin: 14px 0 0; font-size: 14.5px; color: var(--ink-soft); }
.batch-status.ready { color: var(--go); font-weight: 600; }

.rules-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; }
.rulecard { background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 14px 18px; }
.rulecard h3 {
  font-family: 'Barlow Condensed', sans-serif; font-weight: 700; font-size: 18px;
  margin: 0 0 8px; color: var(--accent);
  letter-spacing: 0.06em; text-transform: uppercase;
}
.rulecard ul { margin: 0; padding-left: 18px; font-size: 14px; color: var(--ink-soft); }
.rulecard li { margin-bottom: 5px; }

.roadmap { margin: 0; padding-left: 22px; max-width: 74ch; }
.roadmap li { margin-bottom: 10px; color: var(--ink-soft); }
.roadmap li strong { color: var(--ink); }

.foot { border-top: 1px solid var(--line); margin-top: 40px; }
.foot p { color: var(--muted); font-size: 13px; padding: 18px 0 26px; margin: 0; }

@media (max-width: 720px) {
  .calc-grid, .calc-grid.inner { grid-template-columns: 1fr 1fr; }
  .span2 { grid-column: span 2; }
}
@media (max-width: 480px) {
  .calc-grid, .calc-grid.inner { grid-template-columns: 1fr; }
  .span2 { grid-column: span 1; }
}
@media (prefers-reduced-motion: reduce) {
  .capbar-fill { transition: none; }
}