/* The Specificity Paradox. Its own look: a dark signal lab in three colours,
   one per way a prompt goes: red for word rules, green for on target,
   magenta for invented. Amber is merely missing something. */
:root {
  --bg: #06070b;
  --card: #0c0e14;
  --card-2: #11141c;
  --line: #1d2230;
  --ink: #eef1f6;
  --muted: #8a93a6;
  --specific: #ff3b5c;
  --sweet: #00f2a9;
  --vague: #c850ff;
  --loose: #f5b544;
  --accent: var(--sweet);
  --mono: ui-monospace, 'SFMono-Regular', 'JetBrains Mono', Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, 'Segoe UI', Inter, Roboto, sans-serif;
  color-scheme: dark;
}
.shell[data-state='specific'] { --accent: var(--specific); }
.shell[data-state='vague'] { --accent: var(--vague); }
.shell[data-state='loose'] { --accent: var(--loose); }

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); -webkit-text-size-adjust: 100%; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.shell {
  display: grid;
  grid-template-areas: 'top' 'stage' 'start' 'result' 'deck' 'target' 'foot';
  gap: 12px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 12px 14px calc(18px + env(safe-area-inset-bottom));
}
.top { grid-area: top; display: flex; align-items: baseline; justify-content: flex-start; column-gap: 20px; gap: 12px; flex-wrap: wrap; }
.brand { font: 600 10.5px/1.2 var(--mono); letter-spacing: 0.14em; color: var(--ink); text-decoration: none; display: inline-flex; align-items: center; gap: 8px; }
.brand span { color: var(--muted); font-weight: 400; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); transition: background 0.3s; }
.title { margin: 0; font: 650 clamp(20px, 5vw, 30px)/1.1 var(--sans); letter-spacing: -0.02em; }
.title em { font-style: normal; color: var(--accent); transition: color 0.3s; }

.stage, .target { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.stage { grid-area: stage; height: clamp(170px, 30vh, 300px); }
.target { grid-area: target; height: clamp(200px, 34vh, 340px); touch-action: pan-y; cursor: grab; }
canvas { display: block; width: 100%; height: 100%; }
.stage-hint { position: absolute; top: 8px; right: 10px; margin: 0; font: 10px var(--mono); letter-spacing: 0.08em; color: var(--muted); text-transform: uppercase; pointer-events: none; }
.stage-hint.right { top: auto; bottom: 8px; }
.target-label { position: absolute; top: 8px; left: 10px; margin: 0; padding: 3px 8px; border: 1px solid var(--accent); border-radius: 6px; font: 600 10.5px var(--mono); letter-spacing: 0.06em; color: var(--accent); background: color-mix(in srgb, var(--bg) 80%, transparent); text-transform: uppercase; }

.start { grid-area: start; }
.presets { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.preset { display: flex; flex-direction: column; gap: 2px; align-items: center; padding: 9px 6px; border: 1px solid var(--line); border-radius: 10px; background: var(--card); cursor: pointer; font: 600 12.5px var(--mono); letter-spacing: 0.02em; }
.preset span { font: 400 11px var(--sans); color: var(--muted); letter-spacing: 0; }
.preset[aria-pressed='true'] { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent), 0 0 18px -6px var(--accent); }
.preset[data-preset='specific'][aria-pressed='true'] { --accent: var(--specific); }
.preset[data-preset='vague'][aria-pressed='true'] { --accent: var(--vague); }

.result { grid-area: result; display: grid; gap: 10px; }
.io { display: grid; gap: 8px; }
.box { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; }
.label { margin: 0 0 6px; font: 600 10.5px var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.label span { text-transform: none; letter-spacing: 0; font-weight: 400; }
#prompt { font: 13px/1.5 var(--mono); color: #c7cedb; }
#prompt p { margin: 0; }
#prompt p + p { margin-top: 2px; }
#prompt .rule { color: var(--specific); }
.note { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); transition: border-color 0.3s; }
#note { font: 16px/1.55 var(--sans); min-height: 4.6em; }
#note p { margin: 0; }
#note mark { color: inherit; border-radius: 4px; padding: 0 3px; }
mark.fact { background: color-mix(in srgb, var(--sweet) 22%, transparent); box-shadow: inset 0 -1px 0 var(--sweet); }
mark.invented { background: color-mix(in srgb, var(--vague) 30%, transparent); box-shadow: inset 0 -1px 0 var(--vague); }
mark.rule { background: color-mix(in srgb, var(--specific) 26%, transparent); box-shadow: inset 0 -1px 0 var(--specific); }
mark.filler, mark.drift, mark.generic, mark.gap { background: color-mix(in srgb, var(--loose) 20%, transparent); box-shadow: inset 0 -1px 0 var(--loose); }
.empty { color: var(--muted); font-style: italic; }

.counts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 0; }
.counts div { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; }
.counts dt { font: 10px/1.3 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.counts dd { margin: 4px 0 0; font: 650 18px var(--mono); }
.counts dd.good { color: var(--sweet); }
.counts dd.bad { color: var(--specific); }
.counts dd.made-up { color: var(--vague); }
.verdict { margin: 0; padding: 10px 12px; border-left: 3px solid var(--accent); background: var(--card-2); border-radius: 0 10px 10px 0; font: 15px/1.45 var(--sans); }

.deck { grid-area: deck; display: grid; gap: 10px; }
fieldset { margin: 0; padding: 10px 12px 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); }
legend { padding: 0 6px; font: 600 10.5px var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
#ingredients { display: flex; flex-wrap: wrap; gap: 7px; }
.ingredient { display: inline-flex; align-items: center; gap: 7px; min-height: 36px; padding: 6px 11px; border: 1px solid var(--line); border-radius: 999px; background: var(--card-2); cursor: pointer; font-size: 13.5px; }
.ingredient i { width: 9px; height: 9px; border-radius: 50%; border: 1.5px solid var(--swatch); }
.ingredient[aria-pressed='true'] { border-color: var(--swatch); }
.ingredient[aria-pressed='true'] i { background: var(--swatch); box-shadow: 0 0 8px var(--swatch); }
.ingredient[aria-pressed='false'] { color: var(--muted); text-decoration: line-through; text-decoration-color: color-mix(in srgb, var(--muted) 60%, transparent); }
.rule-row { display: grid; grid-template-columns: 40px 40px 40px 1fr; align-items: center; gap: 6px; }
.rule-row button { width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 10px; background: var(--card-2); font-size: 20px; cursor: pointer; }
.rule-row button:disabled { opacity: 0.35; cursor: default; }
#rule-count { text-align: center; font: 650 20px var(--mono); color: var(--specific); }
#rule-list { margin: 0 0 0 8px; padding: 0; list-style: none; font: 12px/1.45 var(--mono); color: var(--muted); }
#rule-list li.on { color: var(--ink); }
#rule-list li.on::before { content: '+ '; color: var(--specific); }
#rule-list li.on.broken { color: var(--specific); }
#rule-list li.on.broken::after { content: '  broken'; font-size: 10.5px; }
#rule-list li:not(.on)::before { content: '  '; white-space: pre; }

.foot { grid-area: foot; display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; padding-top: 4px; font-size: 13px; color: var(--muted); }
.foot details { flex-basis: 100%; }
.foot summary { cursor: pointer; color: var(--ink); font: 600 12px var(--mono); letter-spacing: 0.06em; text-transform: uppercase; }
.foot details p { max-width: 70ch; line-height: 1.55; }
.badge { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line); }
.votes { display: inline-flex; align-items: center; gap: 6px; }
.votes button { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 999px; background: transparent; cursor: pointer; }
.votes svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linejoin: round; }
.votes svg.down { transform: rotate(180deg); }
.votes button[aria-pressed='true'] { border-color: var(--accent); color: var(--accent); }
#vote-status { font-size: 12px; }

@media (min-width: 960px) {
  .shell {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    grid-template-areas: 'top top' 'stage start' 'stage result' 'target result' 'target deck' 'foot foot';
    grid-template-rows: auto auto auto auto 1fr auto;
    align-items: start;
    column-gap: 18px;
    padding: 18px 24px 24px;
  }
  .stage { height: 330px; align-self: start; }
  .target { height: 400px; align-self: start; }
  .io { grid-template-columns: 1fr 1.25fr; }
  #prompt { font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}