/* a página das regras: uma coluna de leitura, com as cores da página do mapa (style.css) */
:root {
  --bg: #f6f5f1; --panel: #ffffff; --line: #e2e0d8; --text: #1f1e1b; --muted: #6b6a64;
  --accent: #185fa5; --accent-soft: #e6eef8; --good: #0f6e56; --warn: #854f0b; --bad: #a32d2d;
  --mono: ui-monospace, "Cascadia Mono", Consolas, "DejaVu Sans Mono", monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1b19; --panel: #242422; --line: #3a3a37; --text: #ecebe6; --muted: #a3a29b;
    --accent: #85b7eb; --accent-soft: #1f2c3b; --good: #5dcaa5; --warn: #ef9f27; --bad: #f09595;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
main { max-width: 46rem; margin: 0 auto; padding-block: 1.5rem 4rem; display: grid; gap: 2.5rem; }
main > * { min-width: 0; }
nav a, a { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
h1, h2 { text-wrap: balance; line-height: 1.2; margin: 0; }
h1 { font-size: clamp(1.75rem, 5vw, 2.4rem); font-weight: 650; letter-spacing: -0.01em; }
h2 { font-size: 1.35rem; font-weight: 600; }
p { margin: 0; }
header, section { display: grid; gap: 1rem; }
.eyebrow { font: 500 0.75rem/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.lead { font-size: 1.1rem; color: var(--muted); }
.note, figcaption { font-size: 0.85rem; color: var(--muted); }
code { font-family: var(--mono); font-size: 0.9em; background: var(--accent-soft); padding: 0.05em 0.35em; border-radius: 3px; }
ul, ol { margin: 0; padding-left: 1.25rem; display: grid; gap: 0.45rem; }

.spec { display: grid; grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr)); border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.spec div { padding: 0.8rem 1rem; border-right: 1px solid var(--line); display: grid; gap: 0.15rem; }
.spec div:last-child { border-right: 0; }
.spec b { font: 500 1.25rem/1.2 var(--mono); font-variant-numeric: tabular-nums; }
.spec span { font-size: 0.8rem; color: var(--muted); }
@media (max-width: 520px) {
  .spec div { border-right: 0; border-bottom: 1px solid var(--line); }
  .spec div:last-child { border-bottom: 0; }
}

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
table { border-collapse: collapse; width: 100%; min-width: 34rem; font-size: 0.95rem; }
th, td { text-align: left; vertical-align: top; padding: 0.7rem 1rem; border-bottom: 1px solid var(--line); }
tr:last-child td { border-bottom: 0; }
th { font: 500 0.75rem/1.2 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
td:first-child { font-weight: 600; white-space: nowrap; }
.certainty { display: inline-flex; gap: 3px; vertical-align: middle; margin-left: 0.4rem; }
.certainty i { width: 6px; height: 6px; border-radius: 50%; background: var(--line); }
.certainty i.on { background: var(--accent); }

figure { margin: 0; display: grid; gap: 0.6rem; }
.fig { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); padding: 1rem; }
svg text { font-family: var(--mono); }
.t-ink { fill: var(--text); }
.t-muted { fill: var(--muted); }
.t-good { fill: var(--good); }
.t-bad { fill: var(--bad); }
.n-router { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 2; }
.n-plain { fill: var(--panel); stroke: var(--muted); stroke-width: 2; }
.e-spend { stroke: var(--bad); stroke-width: 2.5; }
.e-free { stroke: var(--good); stroke-width: 2.5; }
.e-plain { stroke: var(--muted); stroke-width: 2.5; }

.legend { display: grid; gap: 0.6rem; }
.legend-row { display: grid; grid-template-columns: 4.5rem 1fr; gap: 0.9rem; align-items: center; }
.legend-row svg { width: 4.5rem; height: 1rem; }
.l-good { stroke: var(--good); }
.l-warn { stroke: var(--warn); }
.l-bad { stroke: var(--bad); }
.l-ink { stroke: var(--muted); }

.checks { list-style: none; padding: 0; counter-reset: c; gap: 0.6rem; }
.checks li { counter-increment: c; display: grid; grid-template-columns: 2rem 1fr; gap: 0.75rem; align-items: start; }
.checks li::before { content: counter(c); font: 500 0.9rem/2rem var(--mono); text-align: center; width: 2rem; height: 2rem;
  border-radius: 50%; background: var(--accent-soft); color: var(--accent); }
.checks li > span { padding-top: 0.25rem; }

.limits { list-style: none; padding: 0; gap: 0; border-top: 1px solid var(--line); }
.limits li { padding: 0.8rem 0; border-bottom: 1px solid var(--line); }
.limits b { display: block; }