/* LOADLINE — Design tokens
   Layout concept: field-manual ops console — a ruled coordinate grid behind dense,
   labelled instrument panels; amber is the single "signal" colour, cyan marks verified data.
   Deliberately dark-only (command-centre context); every colour is set explicitly. */
:root {
  color-scheme: dark;
  --bg: #111315;          /* graphite ground, slight warm bias */
  --bg-2: #171a1d;        /* panel */
  --bg-3: #1e2226;        /* raised / inputs */
  --line: #2c3237;        /* rules and borders */
  --line-2: #3a4147;
  --fg: #e8e4da;          /* bone white */
  --fg-2: #a9aba5;        /* secondary text */
  --fg-3: #767a77;        /* captions */
  --signal: #ffad1f;      /* amber — primary action / highlight */
  --signal-ink: #1a1305;  /* text on amber */
  --alert: #ff5b3a;       /* destructive / warning */
  --intel: #6cc4c9;       /* verified / official data */
  --community: #b9a6ff;   /* community-sourced */
  --demo: #8f8a7c;        /* demonstration data */

  --f-display: "Big Shoulders Display", "Arial Narrow", "Roboto Condensed", Impact, sans-serif;
  --f-body: "Barlow", "Segoe UI", system-ui, -apple-system, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 24px; --s-6: 32px; --s-7: 48px; --s-8: 72px;
  --radius: 3px;
  --maxw: 1240px;
  --t-xs: 0.75rem; --t-sm: 0.875rem; --t-md: 1rem; --t-lg: 1.25rem; --t-xl: 1.75rem; --t-2xl: 2.5rem; --t-3xl: clamp(2.75rem, 7vw, 5.5rem);
}

/* Fontes auto-hospedadas (SIL Open Font License) — sem requisições a terceiros */
@font-face { font-family: "Big Shoulders Display"; font-style: normal; font-weight: 700; font-display: swap; src: url("../fonts/big-shoulders-display-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Big Shoulders Display"; font-style: normal; font-weight: 800; font-display: swap; src: url("../fonts/big-shoulders-display-latin-800-normal.woff2") format("woff2"); }
@font-face { font-family: "Barlow"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/barlow-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Barlow"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/barlow-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Barlow"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/barlow-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }

body {
  margin: 0;
  background-color: var(--bg);
  background-image:
    repeating-linear-gradient(0deg, transparent 0 47px, rgba(255,255,255,0.025) 47px 48px),
    repeating-linear-gradient(90deg, transparent 0 47px, rgba(255,255,255,0.025) 47px 48px);
  color: var(--fg);
  font-family: var(--f-body);
  font-size: 1rem;
  line-height: 1.55;
  min-height: 100vh;
  display: flex; flex-direction: column;
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--bg); }

a { color: var(--signal); text-underline-offset: 3px; }
a:hover { color: var(--fg); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }
img { max-width: 100%; height: auto; }
h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 800; line-height: 1.02; letter-spacing: 0.01em; text-wrap: balance; margin: 0; text-transform: uppercase; }
h1 { font-size: var(--t-3xl); }
h2 { font-size: var(--t-2xl); }
h3 { font-size: var(--t-xl); }
p { margin: 0; }
.mono, code, kbd { font-family: var(--f-mono); }
code { font-size: 0.9em; background: var(--bg-3); padding: 1px 5px; border-radius: var(--radius); }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--signal); color: var(--signal-ink); padding: 8px 12px; z-index: 100; }
.skip:focus { left: 16px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Header ---------- */
.site-head { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: rgba(17,19,21,0.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-head .wrap { display: flex; align-items: center; gap: var(--s-4); min-height: 60px; }
.brand { display: flex; align-items: baseline; gap: 0; text-decoration: none; color: var(--fg); font-family: var(--f-display); font-weight: 800; font-size: 1.6rem; letter-spacing: 0.04em; }
.brand b { color: var(--signal); font-weight: 800; }
.brand small { margin-left: 8px; font-family: var(--f-mono); font-size: 0.62rem; color: var(--fg-3); letter-spacing: 0.08em; font-weight: 400; }
.nav { display: flex; gap: 2px; margin-left: auto; align-items: center; flex-wrap: wrap; }
.nav a { color: var(--fg-2); text-decoration: none; font-family: var(--f-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; padding: 8px 10px; border-radius: var(--radius); }
.nav a:hover { color: var(--fg); background: var(--bg-3); }
.nav a[aria-current="page"] { color: var(--signal); box-shadow: inset 0 -2px 0 var(--signal); }
.lang { font-family: var(--f-mono); font-size: 0.72rem; background: transparent; color: var(--fg-2); border: 1px solid var(--line-2); padding: 6px 8px; border-radius: var(--radius); cursor: pointer; letter-spacing: 0.08em; }
.lang:hover { color: var(--fg); border-color: var(--fg-3); }
.menu-btn { display: none; margin-left: auto; background: transparent; border: 1px solid var(--line-2); color: var(--fg); padding: 8px 10px; border-radius: var(--radius); font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.08em; cursor: pointer; }
@media (max-width: 860px) {
  .menu-btn { display: inline-block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--bg-2); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; padding: 8px max(16px, env(safe-area-inset-left, 0px)) 16px; }
  .nav.open { display: flex; }
  .nav a { padding: 12px 8px; font-size: 0.85rem; }
  .lang { align-self: flex-start; margin-top: 8px; }
}

main { flex: 1; }

/* ---------- Typographic helpers ---------- */
.eyebrow { font-family: var(--f-mono); font-size: var(--t-xs); text-transform: uppercase; letter-spacing: 0.14em; color: var(--fg-3); display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.eyebrow .coord { color: var(--signal); }
.lead { font-size: var(--t-lg); color: var(--fg-2); max-width: 60ch; }
.muted { color: var(--fg-2); }
.small { font-size: var(--t-sm); }
.tiny { font-size: var(--t-xs); color: var(--fg-3); }

/* ---------- Page head ---------- */
.page-head { padding-block: var(--s-7) var(--s-6); border-bottom: 1px solid var(--line); }
.page-head .wrap { display: grid; gap: var(--s-4); }
.page-head h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); }

section.block { padding-block: var(--s-7); }
section.block + section.block { border-top: 1px solid var(--line); }
.block-head { display: flex; justify-content: space-between; align-items: end; gap: var(--s-4); flex-wrap: wrap; margin-bottom: var(--s-5); }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; font-family: var(--f-mono); font-size: 0.8rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; padding: 11px 16px; border-radius: var(--radius); border: 1px solid var(--line-2); background: var(--bg-3); color: var(--fg); cursor: pointer; text-decoration: none; line-height: 1.1; min-height: 42px; }
.btn:hover { border-color: var(--fg-3); color: var(--fg); }
.btn.primary { background: var(--signal); color: var(--signal-ink); border-color: var(--signal); }
.btn.primary:hover { background: #ffc252; }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--alert); border-color: rgba(255,91,58,0.45); background: transparent; }
.btn.sm { padding: 7px 10px; min-height: 34px; font-size: 0.72rem; }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--s-2); }

/* ---------- Panels ---------- */
.panel { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); position: relative; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); padding: 10px var(--s-4); border-bottom: 1px solid var(--line); font-family: var(--f-mono); font-size: var(--t-xs); text-transform: uppercase; letter-spacing: 0.12em; color: var(--fg-2); flex-wrap: wrap; }
.panel-head .id { color: var(--signal); }
.panel-body { padding: var(--s-4); display: grid; gap: var(--s-4); }
.panel-body > * { min-width: 0; }
.ticks::before, .ticks::after { content: ""; position: absolute; width: 10px; height: 10px; border-color: var(--signal); border-style: solid; pointer-events: none; }
.ticks::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.ticks::after { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

/* ---------- Forms ---------- */
.field { display: grid; gap: 6px; min-width: 0; }
.field > label, .label { font-family: var(--f-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--fg-2); }
.field .hint { font-size: var(--t-xs); color: var(--fg-3); }
input[type="text"], input[type="number"], input[type="date"], select, textarea {
  width: 100%; min-width: 0; font: inherit; font-size: 0.95rem; color: var(--fg); background: var(--bg-3); border: 1px solid var(--line-2); border-radius: var(--radius); padding: 10px 12px; min-height: 42px;
}
textarea { min-height: 84px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--signal); box-shadow: 0 0 0 1px var(--signal); }
input[type="number"] { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-3); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-3); }
@media (max-width: 620px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* ---------- Data credibility badges ---------- */
.badge { display: inline-flex; align-items: center; gap: 5px; font-family: var(--f-mono); font-size: 0.64rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; padding: 3px 7px; border-radius: 2px; border: 1px solid currentColor; line-height: 1.2; white-space: nowrap; }
.badge::before { content: ""; width: 6px; height: 6px; background: currentColor; border-radius: 50%; }
.b-official { color: var(--intel); }
.b-verified { color: var(--intel); }
.b-verified::before { border-radius: 0; transform: rotate(45deg); }
.b-community { color: var(--community); }
.b-demo { color: var(--demo); }
.b-opinion { color: var(--signal); }
.b-own { color: var(--fg-2); }
.b-planned { color: var(--fg-3); border-style: dashed; }
.b-live { color: var(--signal); }

/* ---------- Toast ---------- */
.toast-zone { position: fixed; left: 0; right: 0; bottom: 0; padding: 0 max(16px, env(safe-area-inset-right, 0px)) calc(16px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px)); display: grid; justify-items: end; gap: 8px; pointer-events: none; z-index: 50; }
.toast { pointer-events: auto; background: var(--bg-3); border: 1px solid var(--line-2); border-left: 3px solid var(--signal); color: var(--fg); padding: 10px 14px; font-size: var(--t-sm); border-radius: var(--radius); max-width: 420px; box-shadow: 0 8px 24px rgba(0,0,0,0.4); animation: toast-in 0.18s ease-out; }
.toast.err { border-left-color: var(--alert); }
@keyframes toast-in { from { transform: translateY(8px); opacity: 0.4; } to { transform: none; opacity: 1; } }

/* ---------- Footer ---------- */
.site-foot { border-top: 1px solid var(--line); margin-top: var(--s-8); padding-block: var(--s-6) var(--s-7); background: var(--bg); }
.site-foot .wrap { display: grid; gap: var(--s-5); grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr); }
.site-foot h4 { font-size: 1rem; margin-bottom: 8px; color: var(--fg-2); }
.site-foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; font-size: var(--t-sm); }
.site-foot a { color: var(--fg-2); text-decoration: none; }
.site-foot a:hover { color: var(--signal); }
.disclaimer { font-size: var(--t-xs); color: var(--fg-3); max-width: 70ch; line-height: 1.6; }
@media (max-width: 760px) { .site-foot .wrap { grid-template-columns: 1fr; } }

/* ---------- Home ---------- */
.hero { padding-block: var(--s-7) var(--s-7); border-bottom: 1px solid var(--line); overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: var(--s-7); align-items: center; }
.hero h1 { font-size: var(--t-3xl); line-height: 0.92; }
.hero h1 .hl { color: var(--signal); display: block; }
.hero-copy { display: grid; gap: var(--s-5); min-width: 0; }
.hero-card { display: grid; gap: var(--s-2); min-width: 0; }
.hero-card canvas, .card-canvas { width: 100%; height: auto; aspect-ratio: 1200 / 630; max-width: 100%; display: block; border: 1px solid var(--line-2); border-radius: var(--radius); background: var(--bg-2); }
.hero-meta { display: flex; gap: var(--s-5); flex-wrap: wrap; font-family: var(--f-mono); font-size: var(--t-xs); color: var(--fg-3); text-transform: uppercase; letter-spacing: 0.1em; }
.hero-meta b { display: block; color: var(--fg); font-size: 1.3rem; font-family: var(--f-display); letter-spacing: 0.02em; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; gap: var(--s-6); } }

.tool-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-3); }
@media (max-width: 900px) { .tool-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .tool-grid { grid-template-columns: 1fr; } }
.tool { display: grid; grid-template-rows: auto auto 1fr auto; gap: var(--s-3); padding: var(--s-5); background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; color: var(--fg); position: relative; min-width: 0; }
a.tool:hover { border-color: var(--signal); }
a.tool:hover h3 { color: var(--signal); }
.tool .tool-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-family: var(--f-mono); font-size: var(--t-xs); color: var(--fg-3); letter-spacing: 0.1em; }
.tool h3 { font-size: 1.75rem; }
.tool p { color: var(--fg-2); font-size: var(--t-sm); }
.tool .go { font-family: var(--f-mono); font-size: var(--t-xs); text-transform: uppercase; letter-spacing: 0.12em; color: var(--signal); }
.tool.is-planned { border-style: dashed; background: transparent; }
.tool.is-planned .go { color: var(--fg-3); }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--s-5); }
@media (max-width: 860px) { .split { grid-template-columns: minmax(0, 1fr); } }

.daily { display: grid; gap: var(--s-3); }
.daily .ch-title { font-family: var(--f-display); font-size: 1.9rem; font-weight: 800; text-transform: uppercase; line-height: 1.05; }

.intel-list { display: grid; gap: 0; }
.intel-item { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: var(--s-4); padding: var(--s-4) 0; border-top: 1px solid var(--line); }
.intel-item:first-child { border-top: 0; }
.intel-item time { font-family: var(--f-mono); font-size: var(--t-xs); color: var(--fg-3); padding-top: 4px; font-variant-numeric: tabular-nums; }
.intel-item h3 { font-size: 1.25rem; margin-bottom: 6px; }
.intel-item .meta { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 8px; }
.intel-item p { color: var(--fg-2); font-size: var(--t-sm); max-width: 70ch; }
.intel-item .src { font-family: var(--f-mono); font-size: var(--t-xs); margin-top: 8px; color: var(--fg-3); overflow-wrap: anywhere; }
@media (max-width: 560px) { .intel-item { grid-template-columns: 1fr; gap: 4px; } }

.legend { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: var(--s-3); }
.legend > div { display: grid; gap: 8px; padding: var(--s-4); border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-2); align-content: start; }
.legend p { font-size: var(--t-sm); color: var(--fg-2); }

/* ---------- Loadout Lab ---------- */
.lab { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: var(--s-5); align-items: start; padding-block: var(--s-6); }
@media (max-width: 980px) { .lab { grid-template-columns: minmax(0, 1fr); } }
.lab-preview { position: sticky; top: calc(76px + env(safe-area-inset-top, 0px)); display: grid; gap: var(--s-3); min-width: 0; }
@media (max-width: 980px) { .lab-preview { position: static; } }
.slot-row { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: var(--s-3); align-items: center; }
.slot-row > label { font-family: var(--f-mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-2); }
.slot-row .slot-input { display: grid; gap: 6px; min-width: 0; }
@media (max-width: 480px) { .slot-row { grid-template-columns: 1fr; gap: 6px; } }
.counter { font-family: var(--f-mono); font-size: var(--t-xs); font-variant-numeric: tabular-nums; }
.counter.over { color: var(--signal); }
.data-note { font-size: var(--t-xs); color: var(--fg-3); border-left: 2px solid var(--demo); padding: 6px 10px; background: var(--bg-3); }
.data-note.warn { border-left-color: var(--alert); color: var(--fg-2); }

.saved-list { display: grid; gap: 0; }
.saved-item { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--s-3); padding: 12px 0; border-top: 1px solid var(--line); align-items: center; }
.saved-item:first-child { border-top: 0; }
.saved-item .nm { font-family: var(--f-display); font-weight: 700; font-size: 1.2rem; text-transform: uppercase; overflow-wrap: anywhere; }
.saved-item .sub { font-size: var(--t-xs); color: var(--fg-3); font-family: var(--f-mono); }
.empty { padding: var(--s-5); text-align: left; color: var(--fg-3); font-size: var(--t-sm); border: 1px dashed var(--line-2); border-radius: var(--radius); }

.table-wrap { overflow-x: auto; }
table.cmp { width: 100%; border-collapse: collapse; font-size: var(--t-sm); min-width: 480px; }
table.cmp th, table.cmp td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.cmp th { font-family: var(--f-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--fg-2); font-weight: 500; }
table.cmp td.diff { color: var(--signal); }
table.cmp tbody th { color: var(--fg-3); width: 130px; }

.confirm { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-size: var(--t-sm); }
.confirm[hidden] { display: none !important; }

/* ---------- Sensitivity ---------- */
.readout { display: grid; gap: 4px; padding: var(--s-4); background: var(--bg); border: 1px solid var(--line-2); border-radius: var(--radius); }
.readout .val { font-family: var(--f-display); font-size: 2.6rem; font-weight: 800; color: var(--signal); line-height: 1; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.readout .unit { font-family: var(--f-mono); font-size: var(--t-xs); color: var(--fg-3); text-transform: uppercase; letter-spacing: 0.1em; }
.tools-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-4); padding-block: var(--s-6); }
@media (max-width: 900px) { .tools-2 { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Challenges ---------- */
.ch-card { display: grid; gap: var(--s-3); padding: var(--s-5); }
.ch-card .ch-title { font-family: var(--f-display); font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; text-transform: uppercase; line-height: 1; }
.ch-meta { display: flex; gap: 8px; flex-wrap: wrap; }
.ch-steps { margin: 0; padding-left: 1.2em; display: grid; gap: 6px; color: var(--fg-2); }
.stat-row { display: flex; gap: var(--s-5); flex-wrap: wrap; }
.stat-row div { font-family: var(--f-mono); font-size: var(--t-xs); color: var(--fg-3); text-transform: uppercase; letter-spacing: 0.1em; }
.stat-row b { display: block; font-family: var(--f-display); font-size: 2rem; color: var(--fg); font-variant-numeric: tabular-nums; letter-spacing: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-family: var(--f-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; padding: 7px 10px; border: 1px solid var(--line-2); border-radius: 2px; background: transparent; color: var(--fg-2); cursor: pointer; min-height: 34px; }
.chip[aria-pressed="true"] { border-color: var(--signal); color: var(--signal); background: rgba(255,173,31,0.08); }

/* ---------- Article / Academy ---------- */
.article { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: var(--s-7); padding-block: var(--s-6); }
@media (max-width: 900px) { .article { grid-template-columns: 1fr; } }
.prose { max-width: 70ch; min-width: 0; }
.prose > * + * { margin-top: 1em; }
.prose h2 { font-size: 2rem; margin-top: 1.8em; padding-top: 0.6em; border-top: 1px solid var(--line); }
.prose h3 { font-size: 1.35rem; margin-top: 1.4em; color: var(--signal); }
.prose ul, .prose ol { padding-left: 1.25em; display: grid; gap: 6px; }
.prose li::marker { color: var(--signal); }
.prose p, .prose li { color: #d6d3ca; }
.drill { border: 1px solid var(--line-2); border-left: 3px solid var(--signal); background: var(--bg-2); padding: var(--s-4); border-radius: var(--radius); }
.drill .label { color: var(--signal); display: block; margin-bottom: 6px; }
.callout { border: 1px solid var(--line-2); background: var(--bg-3); padding: var(--s-4); border-radius: var(--radius); font-size: var(--t-sm); color: var(--fg-2); }
.toc { position: sticky; top: calc(84px + env(safe-area-inset-top, 0px)); align-self: start; display: grid; gap: 8px; font-size: var(--t-sm); }
.toc a { color: var(--fg-2); text-decoration: none; }
.toc a:hover { color: var(--signal); }
@media (max-width: 900px) { .toc { position: static; } }

.level-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s-3); }
@media (max-width: 960px) { .level-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .level-grid { grid-template-columns: 1fr; } }
.level { display: grid; gap: var(--s-3); padding: var(--s-5); border: 1px solid var(--line); background: var(--bg-2); border-radius: var(--radius); text-decoration: none; color: var(--fg); grid-template-rows: auto auto 1fr auto; }
.level:hover { border-color: var(--signal); }
.level .lvl { font-family: var(--f-mono); font-size: var(--t-xs); color: var(--signal); letter-spacing: 0.14em; }
.level h3 { font-size: 1.8rem; }
.level p { font-size: var(--t-sm); color: var(--fg-2); }
.pips { display: flex; gap: 4px; }
.pips i { width: 18px; height: 6px; background: var(--line-2); display: block; }
.pips i.on { background: var(--signal); }

.filter-bar { display: flex; gap: var(--s-3); flex-wrap: wrap; align-items: center; margin-bottom: var(--s-4); }

.notice-404 { padding-block: var(--s-8); display: grid; gap: var(--s-4); }