/* Mathbloom — playful, calm, iPad-first. Tokens on :root; dark + high
   contrast + text size + reduced motion via data attributes on <html>. */

:root {
  --bg: #fbf8ff;
  --bg-2: #f1ebff;
  --card: #ffffff;
  --ink: #2b2140;
  --ink-2: #5d5277;
  --line: #e2d9f7;
  --brand: #7a56e0;
  --brand-ink: #ffffff;
  --brand-soft: #ece4ff;
  --good: #1f8a4c;
  --good-soft: #e3f7ea;
  --warn: #b25b00;
  --warn-soft: #fff2df;
  --bad: #c0392b;
  --bad-soft: #fde8e6;
  --sun: #ffc42e;
  --grid: #e8e2f5;
  --focus: #ff8f3f;
  --radius: 22px;
  --shadow: 0 6px 24px rgba(77, 52, 150, 0.1);
  --font: ui-rounded, 'SF Pro Rounded', 'Nunito', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --fs: 18px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #17121f;
    --bg-2: #211a2e;
    --card: #241d33;
    --ink: #f3eeff;
    --ink-2: #c3b8de;
    --line: #3b3152;
    --brand: #a58bff;
    --brand-ink: #17121f;
    --brand-soft: #2f2645;
    --good: #6fdc98;
    --good-soft: #17301f;
    --warn: #ffb766;
    --warn-soft: #36270f;
    --bad: #ff8a7a;
    --bad-soft: #3a1c19;
    --grid: #342b48;
    --shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
    color-scheme: dark;
  }
}
:root[data-theme='dark'] {
  --bg: #17121f;
  --card: #241d33;
  --ink: #f3eeff;
  color-scheme: dark;
}
:root[data-contrast='high'] {
  --ink: #000;
  --ink-2: #1d1d1d;
  --line: #000;
  --brand: #4b1fc4;
  --bg: #fff;
  --card: #fff;
  --good: #0a5c2c;
  --bad: #8f1b10;
}
:root[data-text='large'] { --fs: 21px; }
:root[data-text='xlarge'] { --fs: 24px; }

*, *::before, *::after { box-sizing: border-box; }
html { font-size: var(--fs); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg) radial-gradient(1200px 600px at 10% -10%, var(--bg-2), transparent) no-repeat;
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.5;
  min-height: 100dvh;
  -webkit-tap-highlight-color: transparent;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { touch-action: manipulation; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5em; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 0.75em; }
a { color: var(--brand); }

#main {
  max-width: 900px;
  margin: 0 auto;
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) calc(110px + env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  outline: none;
}
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 8px; }
[tabindex='-1']:focus { outline: none; }

.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--card); padding: 8px 14px; border-radius: 10px; z-index: 10; }
.skip-link:focus { left: 8px; }
.loading { text-align: center; margin-top: 30vh; color: var(--ink-2); }
.sub { color: var(--ink-2); font-size: 0.85rem; }
.lead { font-size: 1.05rem; color: var(--ink-2); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4em;
  min-height: 52px; padding: 0.6em 1.3em; border-radius: 999px; border: 2px solid transparent;
  background: var(--brand-soft); color: var(--brand); font-weight: 700; cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn.primary { background: var(--brand); color: var(--brand-ink); box-shadow: 0 4px 0 rgba(60, 30, 140, 0.25); }
.btn.ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn.danger { background: var(--bad-soft); color: var(--bad); }
.btn.big { min-height: 60px; font-size: 1.1rem; padding: 0.6em 1.8em; }
.btn.huge { width: 100%; min-height: 96px; border-radius: var(--radius); flex-direction: column; font-size: 1.3rem; }
.btn.small { min-height: 44px; padding: 0.3em 1em; font-size: 0.9rem; }
.btn input[type='file'] { position: absolute; opacity: 0; width: 1px; height: 1px; }
.link { background: none; border: 0; color: var(--brand); text-decoration: underline; cursor: pointer; padding: 6px; min-height: 44px; }
.icon-btn { width: 52px; height: 52px; border-radius: 50%; border: 2px solid var(--line); background: var(--card); font-size: 1.2rem; cursor: pointer; flex: none; }
.actions { display: flex; gap: 12px; justify-content: space-between; align-items: center; margin-top: 18px; flex-wrap: wrap; }
.actions.center { justify-content: center; }
.actions.wrap { justify-content: flex-start; }

.card { background: var(--card); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); border: 1px solid var(--line); margin-bottom: 18px; }

/* ---------- tab bar ---------- */
.tabbar {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(10px + env(safe-area-inset-bottom));
  display: flex; gap: 4px; background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 6px; box-shadow: var(--shadow); z-index: 5;
  max-width: calc(100vw - 24px);
}
.tabbar[hidden] { display: none; }
.tab-link { display: flex; flex-direction: column; align-items: center; min-width: 70px; min-height: 56px; justify-content: center; padding: 4px 10px; border-radius: 999px; text-decoration: none; color: var(--ink-2); font-size: 0.72rem; font-weight: 700; }
.tab-icon { font-size: 1.35rem; line-height: 1.1; }
.tab-link[aria-current='page'] { background: var(--brand-soft); color: var(--brand); }
@media (max-width: 480px) { .tab-link { min-width: 56px; padding: 4px 6px; } .tab-label { font-size: 0.65rem; } }

/* ---------- PIN ---------- */
.pin-screen { display: flex; flex-direction: column; align-items: center; text-align: center; padding-top: 4vh; }
.pin-dots { display: flex; gap: 14px; margin: 18px 0 26px; }
.pin-dots .dot { width: 22px; height: 22px; border-radius: 50%; border: 3px solid var(--brand); transition: background 0.15s; }
.pin-dots .dot.on { background: var(--brand); }
.pin-pad { display: grid; grid-template-columns: repeat(3, 84px); gap: 16px; }
.pin-key { width: 84px; height: 84px; border-radius: 50%; border: 2px solid var(--line); background: var(--card); font-size: 1.8rem; font-weight: 700; cursor: pointer; box-shadow: var(--shadow); }
.pin-key:active { background: var(--brand-soft); }
.pin-msg { min-height: 1.6em; margin-top: 18px; color: var(--bad); font-weight: 600; }
.shake { animation: shake 0.45s; }
@keyframes shake { 20%, 60% { transform: translateX(-10px); } 40%, 80% { transform: translateX(10px); } }

/* ---------- onboarding / home ---------- */
.onboard { text-align: center; max-width: 640px; margin: 0 auto; }
.onboard .text-field { max-width: 320px; margin: 0 auto 18px; text-align: center; font-size: 1.2rem; }
.field { display: block; font-weight: 700; margin: 14px 0 6px; }
.field.check { display: flex; align-items: center; gap: 10px; min-height: 44px; }
.field.check input { width: 26px; height: 26px; }
.text-field { width: 100%; min-height: 52px; padding: 10px 14px; border-radius: 14px; border: 2px solid var(--line); background: var(--card); }
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 10px 0 24px; }
.chip-btn { min-height: 48px; padding: 8px 16px; border-radius: 999px; border: 2px solid var(--line); background: var(--card); cursor: pointer; font-weight: 600; }
.chip-btn[aria-pressed='true'] { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }

.hero { display: flex; gap: 14px; align-items: flex-end; margin: 6px 0 16px; }
.hero-pip { flex: none; }
.bubble { position: relative; background: var(--card); border-radius: var(--radius); padding: 16px 20px; box-shadow: var(--shadow); border: 1px solid var(--line); flex: 1; }
.bubble::before { content: ''; position: absolute; left: -10px; bottom: 26px; border: 10px solid transparent; border-right-color: var(--card); border-left: 0; }
.bubble h1 { font-size: 1.45rem; margin-bottom: 0.3em; }
.bubble p { margin: 0; }
.pills { list-style: none; padding: 0; margin: 0 0 18px; display: flex; flex-wrap: wrap; gap: 10px; }
.pill { background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; font-weight: 700; display: flex; align-items: center; gap: 6px; }
.meter { display: inline-block; width: 70px; height: 10px; border-radius: 99px; background: var(--grid); overflow: hidden; vertical-align: middle; }
.meter.wide { width: 100%; max-width: 220px; }
.meter > span { display: block; height: 100%; background: linear-gradient(90deg, #6bd18f, #3a9d5d); border-radius: 99px; }
.start .start-title { font-size: 1.35rem; }
.start .start-sub { font-size: 0.85rem; font-weight: 500; opacity: 0.9; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 18px 0; }
.action-card { text-align: left; display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 12px; align-items: center; cursor: pointer; margin: 0; font: inherit; color: inherit; }
.action-card:disabled { opacity: 0.55; cursor: default; }
.card-emoji { font-size: 2rem; grid-row: span 2; }
.card-title { font-weight: 800; }
.card-sub { color: var(--ink-2); font-size: 0.85rem; }
.garden-strip { display: flex; gap: 4px; overflow-x: auto; width: 100%; padding: 10px; border-radius: var(--radius); border: 1px solid var(--line); background: linear-gradient(var(--card) 40%, color-mix(in srgb, #6bd18f 30%, var(--card))); cursor: pointer; }

/* ---------- session ---------- */
.session-top { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.progress { list-style: none; display: flex; gap: 6px; flex: 1; padding: 0; margin: 0; }
.progress li { flex: 1; height: 12px; border-radius: 99px; background: var(--grid); }
.progress li.done { background: #b8a5f2; }
.progress li.done.good { background: #6bd18f; }
.progress li.now { background: var(--brand); }
.combo-pill { min-width: 52px; font-weight: 800; text-align: right; }
.question .prompt { font-size: 1.3rem; font-weight: 700; margin: 6px 0 16px; }
.skill-chip { display: inline-block; background: var(--brand-soft); color: var(--brand); border-radius: 999px; padding: 4px 14px; font-weight: 700; font-size: 0.85rem; margin-bottom: 6px; }
.badge-stretch, .badge-warm { font-weight: 800; }

.fig-table { border-collapse: separate; border-spacing: 0; margin: 0 0 16px; min-width: 240px; border-radius: 14px; overflow: hidden; border: 2px solid var(--line); }
.fig-table th { background: var(--brand); color: var(--brand-ink); padding: 8px 18px; }
.fig-table td { padding: 8px 18px; text-align: center; border-top: 1px solid var(--line); font-variant-numeric: tabular-nums; font-size: 1.1rem; }
.fig-seq { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-bottom: 16px; }
.chip { display: inline-block; min-width: 56px; text-align: center; padding: 10px 14px; background: var(--brand-soft); border-radius: 14px; font-weight: 800; font-size: 1.25rem; font-variant-numeric: tabular-nums; }
.chip.more { background: transparent; }
.comma { font-weight: 800; color: var(--ink-2); }
.fig-machine { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 16px; }
.m-slot, .m-op { padding: 10px 14px; border-radius: 14px; font-weight: 800; }
.m-slot { background: var(--warn-soft); color: var(--warn); }
.m-slot.out { background: var(--good-soft); color: var(--good); }
.m-op { background: var(--brand); color: var(--brand-ink); }
.m-arrow { font-size: 1.4rem; color: var(--ink-2); }
.fig-graph { margin: 0 0 16px; max-width: 460px; }
.fig-graph svg, .plot-input { width: 100%; height: auto; background: var(--card); border-radius: 14px; border: 1px solid var(--line); }
.grid-line { stroke: var(--grid); stroke-width: 1; }
.axis { stroke: var(--ink); stroke-width: 2; }
.axis-label { fill: var(--ink-2); font-size: 12px; font-family: var(--font); }
.plot-line { fill: none; stroke: var(--brand); stroke-width: 3; }
.plot-dot { fill: var(--brand); }
.placed-dot { fill: #ff8f3f; }
.answer-ring { fill: none; stroke: var(--good); stroke-width: 3; }
.plot-input { touch-action: none; cursor: crosshair; max-width: 520px; }
.plot-type { display: flex; align-items: center; gap: 6px; margin: 10px 0; flex-wrap: wrap; }
.small-field { width: 80px; min-height: 48px; border-radius: 12px; border: 2px solid var(--line); padding: 6px 10px; background: var(--card); }
.point-list { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.point-list li { background: var(--brand-soft); border-radius: 99px; padding: 2px 4px 2px 14px; }

.answer-row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.unit { font-size: 1.6rem; font-weight: 800; }
.answer-field { width: 200px; min-height: 64px; font-size: 1.6rem; font-weight: 800; text-align: center; border-radius: 16px; border: 3px solid var(--line); background: var(--card); caret-color: var(--brand); }
.answer-field.wide { width: min(100%, 420px); }
.answer-row.multi .answer-field { width: 120px; }
.answer-field:focus { border-color: var(--brand); outline: none; box-shadow: 0 0 0 4px var(--brand-soft); }
.answer-field:disabled { opacity: 0.8; }
.keypad { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }
.keys { display: grid; grid-template-columns: repeat(3, 68px); gap: 8px; }
.keys.extra { grid-template-columns: repeat(4, 68px); align-content: start; }
.key { height: 60px; border-radius: 16px; border: 2px solid var(--line); background: var(--card); font-size: 1.4rem; font-weight: 800; cursor: pointer; }
.key:active { background: var(--brand-soft); }
.key.var { background: var(--brand-soft); color: var(--brand); text-transform: none; }
.key.op { color: var(--brand); }
.key.del { color: var(--bad); }
.key.next { width: 100%; max-width: 220px; height: 52px; font-size: 1rem; }

.choices { border: 0; padding: 0; margin: 0 0 12px; display: grid; gap: 12px; }
.choices.tf { grid-template-columns: 1fr 1fr; }
.choice { display: flex; align-items: center; min-height: 64px; padding: 12px 18px; border-radius: 18px; border: 3px solid var(--line); background: var(--card); cursor: pointer; font-weight: 700; font-size: 1.1rem; }
.choice:has(input:focus-visible) { outline: 3px solid var(--focus); outline-offset: 3px; }
.choice.picked { border-color: var(--brand); background: var(--brand-soft); }
.choice.is-answer { border-color: var(--good); background: var(--good-soft); }
.choice:has(input:disabled) { cursor: default; }

.hints { display: grid; gap: 8px; }
.hint { background: var(--warn-soft); border-radius: 14px; padding: 10px 14px; margin: 0; display: flex; gap: 10px; align-items: flex-start; flex-wrap: wrap; }
.hint-n { font-weight: 800; color: var(--warn); }
.pip-says { display: flex; gap: 10px; align-items: flex-start; }
.feedback:empty { display: none; }
.feedback { margin-top: 16px; }
.fb { font-weight: 800; font-size: 1.15rem; border-radius: 14px; padding: 12px 16px; }
.fb.good { background: var(--good-soft); color: var(--good); }
.fb.retry { background: var(--warn-soft); color: var(--warn); }
.fb.reveal { background: var(--brand-soft); }
.fb.tip, .tip { font-weight: 600; font-size: 0.95rem; background: var(--bad-soft); border-radius: 14px; padding: 10px 14px; }
.tip { background: var(--brand-soft); }
.xp { color: var(--brand); }
.steps { padding-left: 1.4em; }
.steps li { margin-bottom: 6px; }
details.why summary { cursor: pointer; font-weight: 700; color: var(--brand); min-height: 44px; display: flex; align-items: center; }
.why-wrong { margin-top: 10px; }
.flag { font-size: 0.8rem; color: var(--ink-2); }
.flagged { font-size: 0.85rem; color: var(--ink-2); }

.modal { border: 0; border-radius: var(--radius); padding: 26px; max-width: 420px; background: var(--card); color: var(--ink); box-shadow: var(--shadow); }
.modal::backdrop { background: rgba(23, 18, 31, 0.45); }

/* ---------- summary ---------- */
.summary { text-align: center; }
.summary-hero { display: flex; flex-direction: column; align-items: center; }
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; margin: 18px 0; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 14px; display: flex; flex-direction: column; }
.stat strong { font-size: 1.6rem; }
.callout { background: var(--brand-soft); border-radius: 16px; padding: 12px 16px; font-weight: 700; }
.callout.level { background: #fff3c4; color: #6b4b00; }
.grew { margin: 18px 0; }
.grew-list, .badge-list { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.grew-list li, .badge-earned { display: flex; align-items: center; gap: 10px; background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 8px 16px; text-align: left; }
.badge-emoji { font-size: 2rem; }
.fun { border: 0; margin: 20px 0; }
.fun legend { font-weight: 800; margin: 0 auto 8px; }
.fun-btn { font-size: 2.2rem; width: 72px; height: 72px; border-radius: 50%; border: 3px solid transparent; background: var(--card); cursor: pointer; margin: 0 4px; }
.fun-btn.picked { border-color: var(--brand); background: var(--brand-soft); }
.thanks { font-size: 0.9rem; color: var(--ink-2); }
.confetti { position: fixed; inset: 0; pointer-events: none; z-index: 50; width: 100vw; height: 100vh; }

/* ---------- garden ---------- */
.plots { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px; }
.plot { background: linear-gradient(var(--card) 55%, color-mix(in srgb, #6bd18f 22%, var(--card))); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 4px; }
.plot h3 { margin: 0; font-size: 1rem; }
.plot-stage { margin: 0; color: var(--ink-2); font-weight: 700; font-size: 0.85rem; }
.decor { font-size: 2.2rem; letter-spacing: 6px; text-align: center; }
.badges { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.badge { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 2px; padding: 12px; border-radius: 18px; border: 1px solid var(--line); background: var(--card); font-size: 0.85rem; }
.badge.locked { opacity: 0.55; }
.shop { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.shop-item { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 12px; border-radius: 18px; border: 1px solid var(--line); background: var(--card); }
.shop-emoji { font-size: 2.4rem; }
.owned { color: var(--good); font-weight: 700; font-size: 0.85rem; }
.plant-bloom { animation: sway 4s ease-in-out infinite; transform-origin: 50% 90%; }
@keyframes sway { 50% { transform: rotate(3deg); } }
.pip-wing { animation: wave 1.2s ease-in-out infinite; transform-origin: 20px 60px; }
@keyframes wave { 50% { transform: rotate(-14deg); } }

/* ---------- learn ---------- */
.lesson-list { list-style: none; padding: 0; display: grid; gap: 10px; }
.lesson-link { display: flex; align-items: center; gap: 14px; padding: 14px 18px; border-radius: 18px; background: var(--card); border: 1px solid var(--line); text-decoration: none; color: var(--ink); min-height: 64px; }
.done-mark { margin-left: auto; color: var(--good); font-weight: 800; font-size: 1.3rem; }
.tag { margin-left: auto; background: var(--sun); color: #4a3500; border-radius: 99px; padding: 2px 10px; font-size: 0.75rem; font-weight: 800; }
.lesson-head { display: flex; gap: 12px; align-items: center; }
.lesson-card { min-height: 260px; }

/* ---------- chat ---------- */
.chat { display: flex; flex-direction: column; min-height: calc(100dvh - 160px); }
.chat-head { display: flex; justify-content: space-between; align-items: baseline; }
.chat-log { flex: 1; display: flex; flex-direction: column; gap: 12px; padding: 8px 0; }
.msg { display: flex; gap: 8px; align-items: flex-end; max-width: 85%; }
.msg p { margin: 0; padding: 12px 16px; border-radius: 20px; background: var(--card); border: 1px solid var(--line); }
.msg.me { align-self: flex-end; }
.msg.me p { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.msg.typing p { color: var(--ink-2); font-style: italic; }
.starters { justify-content: flex-start; margin: 8px 0; }
.starters .chip-btn { font-size: 0.85rem; min-height: 44px; }
.chat-form { display: flex; gap: 10px; position: sticky; bottom: calc(90px + env(safe-area-inset-bottom)); background: var(--bg); padding: 8px 0; }
.chat-input { flex: 1; border-radius: 18px; border: 2px solid var(--line); padding: 12px; resize: none; background: var(--card); }

/* ---------- grown-ups ---------- */
.tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.tab { min-height: 48px; padding: 8px 18px; border-radius: 999px; border: 2px solid var(--line); background: var(--card); font-weight: 700; cursor: pointer; }
.tab[aria-selected='true'] { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.table-wrap { overflow-x: auto; }
.report { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.report th, .report td { padding: 10px 8px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
.report thead th { color: var(--ink-2); font-size: 0.8rem; }
.code { display: inline-block; background: var(--brand-soft); color: var(--brand); border-radius: 8px; padding: 0 6px; font-size: 0.75rem; font-weight: 800; }
.lvl { border-radius: 99px; padding: 2px 10px; font-weight: 800; font-size: 0.8rem; white-space: nowrap; }
.lvl-met { background: var(--good-soft); color: var(--good); }
.lvl-approaching { background: var(--warn-soft); color: var(--warn); }
.lvl-review { background: var(--bad-soft); color: var(--bad); }
.ok { color: var(--good); font-weight: 800; }
.bars { display: flex; gap: 6px; height: 140px; align-items: flex-end; }
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; height: 100%; justify-content: flex-end; }
.bar { width: 100%; background: var(--brand); border-radius: 6px 6px 2px 2px; min-height: 2px; }
.bar-label { font-size: 0.7rem; color: var(--ink-2); }
.mis-list li, .mistakes li { margin-bottom: 10px; }
.review-list { list-style: none; padding: 0; }
.review-q { border-top: 1px solid var(--line); padding: 10px 0; }
.review-q label { display: flex; align-items: center; gap: 8px; min-height: 44px; }
.review-q input { width: 24px; height: 24px; }

/* ---------- motion ---------- */
@media (prefers-reduced-motion: reduce) {
  :root:not([data-motion='full']) *, :root:not([data-motion='full']) *::before { animation: none !important; transition: none !important; }
}
:root[data-motion='reduce'] *, :root[data-motion='reduce'] *::before { animation: none !important; transition: none !important; }

/* ---------- small screens ---------- */
@media (max-width: 560px) {
  h1 { font-size: 1.35rem; }
  .question .prompt { font-size: 1.12rem; }
  .keys, .keys.extra { grid-template-columns: repeat(3, 1fr); width: 100%; }
  .keys.extra { grid-template-columns: repeat(4, 1fr); }
  .key { height: 54px; }
  .hero { flex-direction: column; align-items: center; text-align: center; }
  .bubble::before { display: none; }
  .pin-pad { grid-template-columns: repeat(3, 72px); }
  .pin-key { width: 72px; height: 72px; }
}

/* ---------- scratch pad ---------- */
.actions-left { display: flex; gap: 10px; flex-wrap: wrap; }
.pad { margin: 12px 0; border: 2px solid var(--line); border-radius: 18px; overflow: hidden; background: #fff; }
.pad-tools { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; padding: 8px; background: var(--bg-2); }
.tool { min-height: 44px; padding: 4px 12px; border-radius: 12px; border: 2px solid var(--line); background: var(--card); font-weight: 700; cursor: pointer; }
.tool[aria-pressed='true'] { border-color: var(--brand); background: var(--brand-soft); color: var(--brand); }
.pad-tools .btn { margin-left: auto; }
.pad-canvas { display: block; width: 100%; height: 300px; touch-action: none; cursor: crosshair; }
.pad-status { margin: 0; padding: 8px 12px; background: var(--card); color: var(--ink); display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.pad-status:empty { display: none; }
.read-val { font-size: 1.3rem; background: var(--brand-soft); border-radius: 10px; padding: 0 10px; }
@media (min-width: 900px) { .pad-canvas { height: 360px; } }

/* ---------- daily quests ---------- */
.quests { padding: 16px 20px; }
.quests-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.quests-head h2 { margin: 0; font-size: 1.1rem; }
.quest-list { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 6px; }
.quest-list li { display: flex; gap: 10px; align-items: center; font-weight: 600; }
.quest-list li.done span:nth-child(2) { color: var(--ink-2); text-decoration: line-through; }