:root {
  --paper: #f2f1ec;
  --paper-raised: #fbfaf7;
  --paper-inset: #e7e5dd;
  --ink: #262521;
  --ink-muted: #6b6a62;
  --rule: #d6d4ca;
  --rule-strong: #b3b1a4;
  --accent: #2f4a52;
  --accent-strong: #1e343a;
  --accent-soft: #e3e9ea;
  --accent-ink: #eef2f2;
  --margin-rule: #a9b5b7;
  --shadow: 0 12px 28px rgba(38, 37, 33, 0.08);

  --font-serif: "Source Serif 4", Georgia, "Iowan Old Style", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  font-family: var(--font-sans);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #1a1d1e;
    --paper-raised: #212527;
    --paper-inset: #16191a;
    --ink: #e7e6e0;
    --ink-muted: #9a9890;
    --rule: #35393a;
    --rule-strong: #4a4e4f;
    --accent: #7fa6ad;
    --accent-strong: #a3c4ca;
    --accent-soft: #223035;
    --accent-ink: #1a2528;
    --margin-rule: #3d4a4d;
    --shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
  }
}

:root[data-theme="dark"] {
  --paper: #1a1d1e;
  --paper-raised: #212527;
  --paper-inset: #16191a;
  --ink: #e7e6e0;
  --ink-muted: #9a9890;
  --rule: #35393a;
  --rule-strong: #4a4e4f;
  --accent: #7fa6ad;
  --accent-strong: #a3c4ca;
  --accent-soft: #223035;
  --accent-ink: #1a2528;
  --margin-rule: #3d4a4d;
  --shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  background-image:
    repeating-linear-gradient(180deg, rgba(0, 0, 0, 0.015) 0px, rgba(0, 0, 0, 0.015) 1px, transparent 1px, transparent 34px);
  color: var(--ink);
  min-height: 100vh;
  padding: 48px 20px 60px;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
}

.header {
  text-align: center;
  margin-bottom: 30px;
}

.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 14px;
}

.header h1 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 40px;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}

.sub {
  color: var(--ink-muted);
  font-size: 15px;
  line-height: 1.55;
  max-width: 600px;
  margin: 0 auto;
}

.brief {
  position: relative;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  box-shadow: var(--shadow);
  padding: 34px 34px 34px 46px;
}

.brief::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 26px;
  width: 2px;
  background: var(--margin-rule);
  opacity: 0.55;
}

.brief-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
}

@media (max-width: 780px) {
  .brief-grid {
    grid-template-columns: 1fr;
  }
  .brief {
    padding: 28px 22px 28px 34px;
  }
}

.section-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--ink);
}

.section-title.score-table-title {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px dashed var(--rule-strong);
}

.section-hint {
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.5;
  margin: 0 0 20px;
}

.section-hint-inline {
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--ink-muted);
  font-size: 11px;
}

.field {
  margin-bottom: 22px;
}

.field:last-of-type {
  margin-bottom: 0;
}

.field label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
}

.field-name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 14px;
}

.field .unit {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--accent-strong);
  font-size: 13px;
  background: var(--accent-soft);
  padding: 1px 9px;
  min-width: 14px;
  text-align: center;
}

/* Custom slider — a ruled tick line with a squared marker, not a default track. */
.field input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 22px;
  background:
    linear-gradient(var(--rule-strong), var(--rule-strong)) left center / 100% 1px no-repeat,
    repeating-linear-gradient(90deg, var(--rule-strong) 0, var(--rule-strong) 1px, transparent 1px, transparent 20%);
  background-color: transparent;
  cursor: pointer;
}

.field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 2px;
  background: var(--accent);
  border: 2px solid var(--paper-raised);
  box-shadow: 0 0 0 1px var(--accent-strong);
  margin-top: 0;
  cursor: pointer;
}

.field input[type="range"]::-moz-range-track {
  height: 1px;
  background: var(--rule-strong);
}

.field input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 2px;
  background: var(--accent);
  border: 2px solid var(--paper-raised);
  box-shadow: 0 0 0 1px var(--accent-strong);
  cursor: pointer;
}

.score-table {
  font-size: 13px;
  border-top: 1px solid var(--rule-strong);
}

.score-row {
  display: grid;
  grid-template-columns: 1fr repeat(4, 52px);
  align-items: center;
  column-gap: 4px;
  border-bottom: 1px solid var(--rule);
  padding: 9px 0;
}

.score-row:first-child {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 10px;
  padding-bottom: 10px;
}

.score-row .option-name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 14px;
  padding-right: 8px;
}

.score-row input[type="number"] {
  width: 44px;
  padding: 4px 4px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  border: 1px solid var(--rule-strong);
  background: var(--paper-inset);
  color: var(--ink);
  text-align: center;
  justify-self: center;
}

.score-row input[type="number"]:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.outputs {
  display: flex;
  flex-direction: column;
}

.metric-label.ranking-label {
  font-family: var(--font-mono);
  margin: 0 0 14px;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.ranking {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Default row style — used for the runners-up (#2, #3, ...). Deliberately quiet
   so the #1 verdict card (below) is the only loud element on the page. */
.rank-card {
  display: grid;
  grid-template-columns: 26px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 10px 2px;
  border-bottom: 1px solid var(--rule);
}

.rank-position {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-muted);
}

.rank-body {
  min-width: 0;
}

.rank-name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 14px;
  margin: 0 0 6px;
  color: var(--ink);
}

.rank-bar-track {
  height: 3px;
  background: var(--rule);
  overflow: hidden;
}

.rank-bar-fill {
  height: 100%;
  background: var(--ink-muted);
  transition: width 200ms ease;
}

.rank-score {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-muted);
  min-width: 38px;
  text-align: right;
}

/* The verdict — #1 gets a headline treatment, not a highlighted row. */
.rank-card.rank-1 {
  display: block;
  position: relative;
  order: -1;
  background: var(--accent-ink);
  border: 1px solid var(--accent);
  border-bottom: 1px solid var(--accent);
  padding: 20px 20px 22px;
  margin-bottom: 6px;
}

.rank-1 .rank-position {
  position: absolute;
  top: 16px;
  right: 18px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.rank-1 .rank-position::before {
  content: "Leading — ";
}

.rank-1 .rank-body {
  margin-bottom: 14px;
}

.rank-1 .rank-name {
  font-size: 26px;
  line-height: 1.15;
  padding-right: 90px;
  margin-bottom: 14px;
  color: var(--ink);
}

.rank-1 .rank-bar-track {
  height: 5px;
  margin-right: 100px;
  background: var(--accent-soft);
}

.rank-1 .rank-bar-fill {
  background: var(--accent);
}

.rank-1 .rank-score {
  position: absolute;
  bottom: 18px;
  right: 20px;
  font-size: 30px;
  font-weight: 700;
  color: var(--accent);
  min-width: 0;
}

.footer-note {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--rule-strong);
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-muted);
}

.page-footer {
  text-align: center;
  margin-top: 30px;
  font-size: 13px;
  color: var(--ink-muted);
}

.page-footer a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
}

.page-footer a:hover {
  color: var(--accent-strong);
}