/* Quickfire Sums - cream paper, near-black ink, one hot tangerine for streaks and the go button.
 * Chunky rounded controls with a hard offset shadow; oversized tabular numerals for the item and the clock.
 * Motion is limited to the ring and a short right/wrong flash, both off under prefers-reduced-motion. */

:root, :root[data-theme="light"] {
  --paper: #fbf4e6;
  --paper-2: #f3e7cf;
  --card: #fffaf0;
  --ink: #16130f;
  --ink-2: #3f382e;
  --muted: #6f6556;
  --line: #16130f;
  --hot: #ff5f12;
  --hot-2: #ffb48a;
  --hot-ink: #16130f;
  --ok: #138a4f;
  --ok-bg: #c9f0d6;
  --bad: #d4243a;
  --bad-bg: #ffd3d6;
  --warn: #c98a00;
  --warn-bg: #ffe9b0;
  --shadow: 4px 4px 0 var(--line);
  --shadow-sm: 2px 2px 0 var(--line);
  --track: #e6d8bd;
  --focus: #2d5bff;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --paper: #14120e;
  --paper-2: #1e1a14;
  --card: #1b1813;
  --ink: #fbf4e6;
  --ink-2: #e2d6c0;
  --muted: #b3a690;
  --line: #fbf4e6;
  --hot: #ff6a1f;
  --hot-2: #7a3410;
  --hot-ink: #16130f;
  --ok: #4fd38b;
  --ok-bg: #12382a;
  --bad: #ff6b7a;
  --bad-bg: #431820;
  --warn: #ffc94d;
  --warn-bg: #3d2e0a;
  --shadow: 4px 4px 0 #000;
  --shadow-sm: 2px 2px 0 #000;
  --track: #2e2920;
  --focus: #8aa6ff;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 16px/1.5 ui-rounded, "SF Pro Rounded", "Nunito", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  overflow-x: hidden;
}
body.in-round { overflow: hidden; }
a { color: inherit; text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:hover { color: var(--hot); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.hidden { display: none !important; }
.small { font-size: 0.875rem; color: var(--muted); margin: 0.35rem 0; }
.num, .big, .score, .clock, .prompt, .answer, .stats dd { font-variant-numeric: tabular-nums; }
kbd {
  display: inline-block; min-width: 1.5em; padding: 0 0.35em; border: 2px solid currentColor; border-radius: 6px;
  font: 700 0.72em/1.45 ui-monospace, "SF Mono", Menlo, monospace; text-align: center; opacity: 0.75; vertical-align: 0.1em;
}
.empty { color: var(--muted); font-style: italic; }

/* --- header ------------------------------------------------------------------------------------------------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 12px max(16px, calc((100vw - 1160px) / 2)); border-bottom: 3px solid var(--line); background: var(--paper);
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.backlink { font-size: 0.85rem; color: var(--muted); text-decoration: none; }
.wordmark { font-weight: 900; font-size: 1.2rem; letter-spacing: -0.02em; }
.logo svg { display: block; }
.lg-track { fill: none; stroke: var(--track); stroke-width: 3; }
.lg-arc { fill: none; stroke: var(--hot); stroke-width: 3; stroke-linecap: round; }
.lg-bolt { fill: var(--ink); }
.topactions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.credits { font-weight: 800; font-variant-numeric: tabular-nums; }
.topup { font-weight: 700; }

/* --- buttons ------------------------------------------------------------------------------------------------ */
button, .go, .primary, .secondary, .ghost, .chip { font: inherit; cursor: pointer; }
.go, .primary, .secondary {
  display: inline-flex; align-items: center; gap: 0.6em; border: 3px solid var(--line); border-radius: 18px;
  padding: 0.7em 1.3em; font-weight: 900; letter-spacing: -0.01em; box-shadow: var(--shadow); color: var(--ink);
  transition: transform 80ms ease, box-shadow 80ms ease;
}
.go { background: var(--hot); color: var(--hot-ink); font-size: 1.25rem; }
.primary { background: var(--ink); color: var(--paper); }
.secondary { background: var(--card); }
.go:hover, .primary:hover, .secondary:hover { transform: translate(-1px, -1px); box-shadow: 5px 5px 0 var(--line); }
.go:active, .primary:active, .secondary:active { transform: translate(3px, 3px); box-shadow: 1px 1px 0 var(--line); }
.go:disabled, .primary:disabled, .secondary:disabled { opacity: 0.45; cursor: not-allowed; transform: none; box-shadow: var(--shadow-sm); }
.go kbd, .primary kbd, .secondary kbd { font-size: 0.6em; }
.small-go { font-size: 1rem; padding: 0.55em 1em; }
.ghost { background: transparent; border: 2px solid var(--line); border-radius: 12px; padding: 0.35em 0.8em; font-weight: 700; color: var(--ink); }
.ghost:hover { background: var(--paper-2); }
.ghost.icon { padding: 0.25em 0.6em; font-size: 1.05rem; }
.chip { border: 2px solid var(--line); background: var(--card); border-radius: 999px; padding: 0.25em 0.85em; font-weight: 700; color: var(--ink); }
.chip:hover { background: var(--hot-2); }
.chip.solid { background: var(--ink); color: var(--paper); cursor: default; }
.linkish { background: none; border: 0; padding: 0; color: inherit; font-weight: 700; text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 3px; }
.linkish:hover { color: var(--hot); }

/* --- page --------------------------------------------------------------------------------------------------- */
.page { max-width: 1160px; margin: 0 auto; padding: 0 16px 48px; }
.hero { padding: 40px 0 8px; }
h1 { font-size: clamp(2.4rem, 7vw, 4.8rem); line-height: 0.98; letter-spacing: -0.04em; margin: 0; font-weight: 900; }
.hot { color: var(--hot); }
.lede { font-size: 1.15rem; max-width: 46rem; color: var(--ink-2); margin: 16px 0 0; }
h2 { font-size: 1.5rem; letter-spacing: -0.02em; margin: 0 0 10px; font-weight: 900; }
h3 { font-size: 1.1rem; margin: 0 0 8px; font-weight: 800; }
.kicker { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); font-weight: 800; margin: 22px 0 10px; }

.picker, .coachpanel, .historypanel, .how, .card {
  background: var(--card); border: 3px solid var(--line); border-radius: 26px; box-shadow: var(--shadow); padding: 22px; margin-top: 26px;
}
.picker .kicker:first-child { margin-top: 0; }
.topics { display: grid; grid-template-columns: repeat(auto-fill, minmax(148px, 1fr)); gap: 12px; }
.topic {
  display: flex; flex-direction: column; align-items: flex-start; gap: 4px; text-align: left; padding: 14px 14px 12px;
  background: var(--paper); border: 3px solid var(--line); border-radius: 18px; color: var(--ink); box-shadow: var(--shadow-sm);
}
.topic .glyph { font-size: 2.1rem; font-weight: 900; line-height: 1; letter-spacing: -0.03em; }
.topic .tname { font-weight: 800; font-size: 0.95rem; }
.topic:hover { background: var(--paper-2); }
.topic[aria-checked="true"] { background: var(--hot); color: var(--hot-ink); box-shadow: var(--shadow); transform: translate(-1px, -1px); }
.pickrow { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.seg { display: inline-flex; border: 3px solid var(--line); border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-sm); }
.segbtn { border: 0; border-right: 3px solid var(--line); background: var(--paper); color: var(--ink); font-weight: 900; font-size: 1.3rem; min-width: 3.2rem; padding: 0.35em 0.7em; }
.segbtn:last-child { border-right: 0; }
.segbtn.wide { font-size: 1rem; padding: 0.6em 1em; }
.segbtn[aria-checked="true"] { background: var(--ink); color: var(--paper); }
.startrow { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 26px; }
.startrow .go { font-size: 1.6rem; padding: 0.6em 1.4em; border-radius: 22px; }
.pbline { font-size: 1rem; color: var(--ink-2); }
.pbline strong { font-size: 1.6rem; font-weight: 900; color: var(--hot); font-variant-numeric: tabular-nums; }
.keys { margin-top: 14px; }

/* --- coach panel -------------------------------------------------------------------------------------------- */
.panelhead p { max-width: 52rem; }
.genform { display: grid; grid-template-columns: 1fr 170px 170px; gap: 14px; align-items: end; margin-top: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; font-weight: 800; font-size: 0.9rem; }
.field input[type="text"], .field select {
  font: inherit; font-weight: 600; padding: 0.6em 0.75em; border: 3px solid var(--line); border-radius: 14px; background: var(--paper); color: var(--ink); width: 100%;
}
.field input[type="range"] { accent-color: var(--hot); width: 100%; height: 2.4rem; }
.field output { color: var(--hot); font-weight: 900; }
.exrow, .guide, .genform .notice, .runrow, .genform .gate { grid-column: 1 / -1; }
.exrow { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.runrow { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.meter { font-size: 0.9rem; color: var(--muted); }
.gate { margin: 4px 0 0; padding: 10px 14px; border: 2px dashed var(--line); border-radius: 14px; background: var(--paper-2); font-size: 0.92rem; }
.gateact { font-weight: 800; color: var(--hot); }
.notice { margin: 8px 0; padding: 8px 12px; border-left: 6px solid var(--warn); background: var(--warn-bg); border-radius: 8px; font-size: 0.92rem; }
.progress { margin-top: 16px; padding: 14px 16px; border: 3px solid var(--line); border-radius: 18px; background: var(--paper); }
.progress h3 { margin: 0; }
.status { margin: 4px 0 8px; font-weight: 700; color: var(--hot); font-variant-numeric: tabular-nums; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.step { color: var(--muted); }
.step.active { color: var(--ink); font-weight: 800; }
.step.done { color: var(--ok); }
.step-ic { display: inline-block; width: 1.2em; font-weight: 900; }
.genresult { margin-top: 16px; padding: 16px; border: 3px solid var(--line); border-radius: 20px; background: var(--paper); }
.genhead { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; flex-wrap: wrap; }
.recon { list-style: none; padding: 0; margin: 10px 0; display: grid; gap: 4px; font-size: 0.92rem; }
.recon li { padding: 6px 10px; border-radius: 10px; }
.recon li.ok { background: var(--ok-bg); }
.recon li.warn { background: var(--warn-bg); }
.preview { margin: 10px 0 0; padding-left: 1.6em; display: grid; gap: 6px; }
.preview li { padding-left: 4px; }
.preview .pp { font-weight: 800; }
.preview .pa { margin-left: 10px; font-weight: 900; color: var(--hot); font-variant-numeric: tabular-nums; }
.preview .pw { display: block; color: var(--muted); font-size: 0.85rem; }
.notes { margin: 10px 0 0; padding-left: 1.2em; color: var(--ink-2); font-size: 0.92rem; }
.raw pre { white-space: pre-wrap; word-break: break-word; max-height: 320px; overflow: auto; background: var(--paper-2); padding: 12px; border-radius: 12px; }
.decklist, .roundlist { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.rowbtn {
  width: 100%; display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: center; text-align: left;
  padding: 10px 14px; background: var(--paper); border: 2px solid var(--line); border-radius: 14px; color: var(--ink);
}
.rowbtn:hover { background: var(--paper-2); }
.rowbtn .rt { font-weight: 800; min-width: 0; overflow-wrap: anywhere; }
.rowbtn .rs { font-variant-numeric: tabular-nums; color: var(--ink-2); font-size: 0.9rem; }
.rowbtn .rw { color: var(--muted); font-size: 0.85rem; }

/* --- history ------------------------------------------------------------------------------------------------ */
.split { display: grid; grid-template-columns: 1.35fr 1fr; gap: 26px; }
.tablewrap { overflow-x: auto; border: 2px solid var(--line); border-radius: 14px; }
.bests { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.bests th, .bests td { padding: 8px 10px; border-bottom: 1px solid var(--track); text-align: left; white-space: nowrap; }
.bests thead th { background: var(--ink); color: var(--paper); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; }
.bests td.num { text-align: right; font-variant-numeric: tabular-nums; font-weight: 700; }
.bests .bestplay { font: inherit; font-weight: 800; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline; text-decoration-color: var(--hot, currentColor); text-underline-offset: 3px; }
.bests .bestplay:focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; }
.bests tbody tr:last-child th, .bests tbody tr:last-child td { border-bottom: 0; }
.historypanel .ghost { margin-top: 10px; }
.how ul { margin: 0; padding-left: 1.2em; display: grid; gap: 6px; }

/* --- the round ---------------------------------------------------------------------------------------------- */
.stage {
  position: fixed; inset: 0; z-index: 50; background: var(--paper); display: grid; grid-template-rows: auto 1fr auto;
  padding: 16px max(16px, calc((100vw - 1160px) / 2)); overflow-y: auto;
}
.stagebar { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.stagebar .spacer, .resactions .spacer { flex: 1; }
.rcount { font-weight: 900; font-size: 1.1rem; font-variant-numeric: tabular-nums; color: var(--muted); }
.rstat { display: inline-flex; align-items: baseline; gap: 6px; }
.rstat .lbl { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); font-weight: 800; }
.rstat .big { font-size: 2rem; font-weight: 900; line-height: 1; }
.mult { font-weight: 900; color: var(--hot); font-size: 1.2rem; margin-left: 2px; }
.stage.hot #rStreak { color: var(--hot); }
.arena { display: grid; grid-template-columns: minmax(180px, 300px) 1fr; gap: clamp(20px, 5vw, 64px); align-items: center; align-content: center; min-height: 0; padding: 16px 0; }
.ringbox { position: relative; width: 100%; max-width: 300px; aspect-ratio: 1; justify-self: center; }
.ring { width: 100%; height: 100%; transform: rotate(-90deg); display: block; }
.ring-track { fill: none; stroke: var(--track); stroke-width: 16; }
.ring-arc { fill: none; stroke: var(--hot); stroke-width: 16; stroke-linecap: round; }
.ring-arc[data-zone="warn"] { stroke: var(--warn); }
.ring-arc[data-zone="danger"] { stroke: var(--bad); }
.ringtext { position: absolute; inset: 0; display: flex; align-items: baseline; justify-content: center; padding-top: 34%; }
.clock { font-size: clamp(3rem, 9vw, 5.5rem); font-weight: 900; line-height: 1; letter-spacing: -0.04em; }
.unit { font-weight: 900; font-size: 1.4rem; color: var(--muted); margin-left: 2px; }
.itembox { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; min-width: 0; }
.prompt { font-size: clamp(3.2rem, 9.5vw, 8.5rem); font-weight: 900; line-height: 1; letter-spacing: -0.04em; overflow-wrap: anywhere; }
.prompt.long { font-size: clamp(2.2rem, 5.6vw, 4.6rem); letter-spacing: -0.03em; }
.prompt.xlong { font-size: clamp(1.5rem, 3.4vw, 2.6rem); line-height: 1.15; letter-spacing: -0.01em; }
.answerform { display: flex; gap: 12px; flex-wrap: wrap; align-items: stretch; }
.answer {
  font: 900 clamp(2.2rem, 6vw, 4rem)/1 ui-rounded, system-ui, sans-serif; width: 7ch; padding: 0.15em 0.3em; color: var(--ink);
  background: var(--card); border: 4px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); text-align: center;
}
.answer.nudge { border-color: var(--warn); }
.answerform .go { font-size: 1.4rem; }
.choices { display: grid; grid-template-columns: repeat(2, minmax(140px, 1fr)); gap: 12px; width: 100%; max-width: 560px; }
.choice {
  display: flex; align-items: center; gap: 12px; padding: 14px 16px; border: 3px solid var(--line); border-radius: 18px; background: var(--card);
  color: var(--ink); font-weight: 900; font-size: clamp(1.4rem, 3.4vw, 2.2rem); box-shadow: var(--shadow-sm); text-align: left; font-variant-numeric: tabular-nums;
}
.choice:hover { background: var(--paper-2); }
.choice.ok { background: var(--ok-bg); border-color: var(--ok); }
.choice.bad { background: var(--bad-bg); border-color: var(--bad); }
.choice kbd { font-size: 0.5em; }
.flash { min-height: 2.2rem; font-size: 1.5rem; font-weight: 900; opacity: 0; }
.flash.show { opacity: 1; }
.flash.ok { color: var(--ok); }
.flash.bad { color: var(--bad); }
.dots { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; justify-content: center; }
.dot { width: 18px; height: 18px; border-radius: 50%; border: 3px solid var(--line); background: transparent; }
.dot.ok { background: var(--ok); border-color: var(--ok); }
.dot.wrong { background: var(--bad); border-color: var(--bad); }
.dot.timeout { background: var(--warn); border-color: var(--warn); }
.dot.now { background: var(--hot); border-color: var(--hot); }

@media (prefers-reduced-motion: no-preference) {
  .stage.pulse-ok { animation: pulseOk 260ms ease-out; }
  .stage.pulse-bad { animation: pulseBad 420ms ease-out; }
  .flash.show { animation: pop 220ms ease-out; }
}
@keyframes pulseOk { from { box-shadow: inset 0 0 0 14px var(--ok); } to { box-shadow: inset 0 0 0 0 var(--ok); } }
@keyframes pulseBad { from { box-shadow: inset 0 0 0 14px var(--bad); } to { box-shadow: inset 0 0 0 0 var(--bad); } }
@keyframes pop { from { transform: scale(0.92); } to { transform: scale(1); } }

/* --- results ------------------------------------------------------------------------------------------------ */
.results { padding-top: 28px; }
.reshead { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.reshead .kicker { margin: 0 0 4px; }
.score { font-size: clamp(3.6rem, 12vw, 8rem); line-height: 0.95; letter-spacing: -0.05em; margin: 0; }
.score .pts { font-size: 0.24em; letter-spacing: 0; color: var(--muted); }
.badges { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.badge { background: var(--hot); color: var(--hot-ink); border: 3px solid var(--line); border-radius: 999px; padding: 0.15em 0.8em; font-weight: 900; box-shadow: var(--shadow-sm); }
.badge.quiet { background: var(--card); }
.stats { display: grid; grid-template-columns: repeat(4, auto); gap: 6px 28px; margin: 0; }
.stats dt { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); font-weight: 800; }
.stats dd { margin: 0; font-size: 2rem; font-weight: 900; }
.resactions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.resgrid { display: grid; grid-template-columns: 1.3fr 1fr 0.9fr; gap: 0 22px; }
.itemgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 8px; }
.cell { display: grid; grid-template-columns: auto 1fr; gap: 0 6px; padding: 8px 10px; border-radius: 12px; border: 2px solid var(--line); font-size: 0.85rem; font-variant-numeric: tabular-nums; }
.cell.ok { background: var(--ok-bg); }
.cell.wrong { background: var(--bad-bg); }
.cell.timeout { background: var(--warn-bg); }
.cell .cn { font-weight: 900; color: var(--muted); grid-row: span 3; }
.cell .cp { font-weight: 800; overflow-wrap: anywhere; }
.cell .ca { font-weight: 700; }
.cell .ct { color: var(--muted); font-size: 0.78rem; }
.legend { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.sw { display: inline-block; width: 14px; height: 14px; border-radius: 4px; border: 2px solid var(--line); }
.sw.ok { background: var(--ok-bg); } .sw.wrong { background: var(--bad-bg); } .sw.timeout { background: var(--warn-bg); }
.spark { width: 100%; height: auto; display: block; }
.sp-axis { stroke: var(--track); stroke-width: 2; }
.sp-limit { stroke: var(--muted); stroke-width: 1.5; stroke-dasharray: 5 5; }
.sp-line { fill: none; stroke: var(--hot); stroke-width: 3.5; stroke-linejoin: round; stroke-linecap: round; }
.sp-ok { fill: var(--hot); }
.sp-miss { fill: var(--card); stroke: var(--bad); stroke-width: 2.5; }
.sp-empty { fill: var(--muted); font-size: 14px; }
.bestlist { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 0; }
.bestlist div { padding: 8px 10px; border: 2px solid var(--line); border-radius: 12px; }
.bestlist div.new { background: var(--hot); color: var(--hot-ink); }
.bestlist dt { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 800; opacity: 0.8; }
.bestlist dd { margin: 0; font-size: 1.4rem; font-weight: 900; font-variant-numeric: tabular-nums; }
.newtag { font-size: 0.6em; margin-left: 6px; text-transform: uppercase; }
.coachruns { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 12px; }
.coachrun { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.dbhead { font-size: 1.25rem; font-weight: 800; margin: 16px 0 6px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; margin-top: 12px; }
.flip { display: flex; flex-direction: column; gap: 8px; perspective: 1000px; }
.flip-inner { position: relative; display: grid; min-height: 230px; transform-style: preserve-3d; }
.face {
  grid-area: 1 / 1; display: flex; flex-direction: column; gap: 6px; padding: 16px; border: 3px solid var(--line); border-radius: 20px;
  backface-visibility: hidden; -webkit-backface-visibility: hidden; box-shadow: var(--shadow-sm); overflow-wrap: anywhere;
}
.face.front { background: var(--card); }
.face.back { background: var(--ink); color: var(--paper); transform: rotateY(180deg); }
.flip.flipped .flip-inner { transform: rotateY(180deg); }
.fk { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; font-weight: 900; color: var(--bad); }
.fp { font-size: 2rem; font-weight: 900; letter-spacing: -0.03em; line-height: 1.05; font-variant-numeric: tabular-nums; }
.fg { font-weight: 700; color: var(--bad); }
.fa { font-weight: 900; color: var(--ok); }
.fs { font-size: 0.9rem; color: var(--ink-2); }
.bl { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; font-weight: 900; color: var(--hot); margin-top: 4px; }
.br, .bm, .bw { font-size: 0.92rem; }
.bm { font-style: italic; }
.bw { font-variant-numeric: tabular-nums; font-weight: 700; }
.flipbtn { align-self: flex-start; background: none; border: 2px solid var(--line); border-radius: 999px; padding: 0.2em 0.9em; font-weight: 800; color: var(--ink); }
.flipbtn:hover { background: var(--hot-2); }
@media (prefers-reduced-motion: no-preference) { .flip-inner { transition: transform 450ms cubic-bezier(.2,.7,.2,1); } }
@media (prefers-reduced-motion: reduce) {
  .flip.flipped .flip-inner { transform: none; }
  .face { backface-visibility: visible; -webkit-backface-visibility: visible; }
  .face.back { transform: none; visibility: hidden; }
  .flip.flipped .face.back { visibility: visible; }
  .flip.flipped .face.front { visibility: hidden; }
  .go, .primary, .secondary { transition: none; }
}

/* --- footer, toasts ----------------------------------------------------------------------------------------- */
.foot { border-top: 3px solid var(--line); padding: 18px 16px 28px; text-align: center; font-size: 0.88rem; color: var(--muted); }
.toasts { position: fixed; right: 16px; bottom: 16px; z-index: 80; display: grid; gap: 8px; max-width: min(420px, calc(100vw - 32px)); }
.toast { padding: 10px 14px; border: 3px solid var(--line); border-radius: 14px; background: var(--card); box-shadow: var(--shadow-sm); font-weight: 600; font-size: 0.92rem; }
.toast.err { background: var(--bad-bg); }
.toast.ok { background: var(--ok-bg); }
.toast.gone { opacity: 0; transition: opacity 400ms; }

/* --- docs pages (api.html, tokens.html) --------------------------------------------------------------------- */
.doc { max-width: 920px; margin: 0 auto; padding: 24px 16px 60px; }
.doc h1 { font-size: clamp(2rem, 5vw, 3rem); }
.doc h2 { margin-top: 36px; }
.doc h3 { margin-top: 24px; }
.doc pre { background: var(--paper-2); border: 2px solid var(--line); border-radius: 14px; padding: 12px 14px; overflow-x: auto; font: 0.84rem/1.5 ui-monospace, "SF Mono", Menlo, monospace; }
.doc code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.92em; }
.doc table { border-collapse: collapse; width: 100%; font-size: 0.92rem; display: block; overflow-x: auto; }
.doc th, .doc td { border: 1px solid var(--track); padding: 6px 10px; text-align: left; vertical-align: top; }
.doc th { background: var(--ink); color: var(--paper); }
.codegroup { margin: 12px 0; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; }
.tab { border: 2px solid var(--line); background: var(--card); color: var(--ink); border-radius: 999px; padding: 0.15em 0.8em; font-weight: 800; font-size: 0.85rem; }
.tab.active { background: var(--hot); color: var(--hot-ink); }
.panel { border: 3px solid var(--line); border-radius: 20px; padding: 16px; background: var(--card); box-shadow: var(--shadow-sm); margin: 16px 0; }
.tokenbox { font: 0.9rem/1.5 ui-monospace, "SF Mono", Menlo, monospace; word-break: break-all; background: var(--paper-2); padding: 10px 12px; border-radius: 12px; border: 2px solid var(--line); }
.btnrow { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.sep { color: var(--muted); }

/* --- narrow screens ----------------------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .resgrid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .genform { grid-template-columns: 1fr 1fr; }
  .genform .field.grow { grid-column: 1 / -1; }
  .stats { grid-template-columns: repeat(2, auto); }
}
@media (max-width: 700px) {
  .arena { grid-template-columns: 1fr; justify-items: center; text-align: center; align-content: start; gap: 14px; padding-top: 8px; }
  .ringbox { max-width: min(170px, 42vw); }
  .itembox { align-items: center; }
  .answerform { justify-content: center; }
  .choices { grid-template-columns: 1fr 1fr; }
  .choice { font-size: 1.3rem; padding: 12px; }
  .pickrow { grid-template-columns: 1fr; gap: 0; }
  .topics { grid-template-columns: repeat(2, 1fr); }
  .coachruns { grid-template-columns: 1fr; }
  .picker, .coachpanel, .historypanel, .how, .card { padding: 16px; border-radius: 20px; }
  .rowbtn { grid-template-columns: 1fr; gap: 2px; }
  .stagebar { gap: 10px; }
  .rstat .big { font-size: 1.5rem; }
}

/* tokens.html */
.statebox { border: 3px solid var(--line); border-radius: 18px; padding: 14px 16px; background: var(--card); box-shadow: var(--shadow-sm); }
.muted { color: var(--muted); }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; overflow-wrap: anywhere; }
.tokenrow { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 10px 0; }
.tokenrow .tokenbox { flex: 1; min-width: 0; }

/* grid children may shrink below their content (the bests table scrolls inside its own frame) */
.split > *, .resgrid > *, .pickrow > *, .coachruns > *, .genform > *, .arena > * { min-width: 0; }