:root {
  color-scheme: light dark;
  --bg: #f5f2ec;
  --surface: #fffdf9;
  --ink: #1d1d1f;
  --muted: #7a756c;
  --line: #e2dccf;
  --accent: #d9452b;
  --on-accent: #fff;
  --ok: #4c7a35;
  --ok-bg: #e5efdb;
  --bad: #c25e17;
  --bad-bg: #f8e5d2;
  --shadow: 0 1px 2px rgb(40 30 20 / .06), 0 10px 30px rgb(40 30 20 / .08);
  --radius: 28px;
  --font-ui: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-jp: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", "Noto Sans JP", "Noto Sans CJK JP", Meiryo, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161c;
    --surface: #1e212a;
    --ink: #eceae5;
    --muted: #8e909a;
    --line: #2e323d;
    --accent: #ef5f43;
    --ok: #9fcb80;
    --ok-bg: #233120;
    --bad: #f2a25a;
    --bad-bg: #3a2a1b;
    --shadow: 0 1px 2px rgb(0 0 0 / .3), 0 12px 32px rgb(0 0 0 / .35);
  }
}

/* Fonts: subsets met alleen de gebruikte kana (zie fonts/LICENSE.md). */
@font-face { font-family: "Kana Gothic"; src: url(fonts/gothic.woff2) format("woff2"); font-display: swap; }
@font-face { font-family: "Kana Kyokasho"; src: url(fonts/kyokasho.woff2) format("woff2"); font-display: swap; }
@font-face { font-family: "Kana Mincho"; src: url(fonts/mincho.woff2) format("woff2"); font-display: swap; }
@font-face { font-family: "Kana Maru"; src: url(fonts/maru.woff2) format("woff2"); font-display: swap; }
@font-face { font-family: "Kana Kalligrafie"; src: url(fonts/kalligrafie.woff2) format("woff2"); font-display: swap; }
@font-face { font-family: "Kana Handschrift"; src: url(fonts/handschrift.woff2) format("woff2"); font-display: swap; }
@font-face { font-family: "Kana Pixel"; src: url(fonts/pixel.woff2) format("woff2"); font-display: swap; }

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.4 var(--font-ui);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

[lang="ja"] { font-family: var(--font-jp); }
[data-font="gothic"] { font-family: "Kana Gothic", var(--font-jp); }
[data-font="kyokasho"] { font-family: "Kana Kyokasho", var(--font-jp); }
[data-font="mincho"] { font-family: "Kana Mincho", var(--font-jp); }
[data-font="maru"] { font-family: "Kana Maru", var(--font-jp); }
[data-font="kalligrafie"] { font-family: "Kana Kalligrafie", var(--font-jp); }
[data-font="handschrift"] { font-family: "Kana Handschrift", var(--font-jp); }
[data-font="pixel"] { font-family: "Kana Pixel", var(--font-jp); }

.screen {
  display: flex;
  flex-direction: column;
  width: min(100%, 440px);
  min-height: 100dvh;
  margin-inline: auto;
  padding:
    max(16px, env(safe-area-inset-top))
    max(16px, env(safe-area-inset-right))
    max(16px, env(safe-area-inset-bottom))
    max(16px, env(safe-area-inset-left));
}

/* ---------- Opties ---------- */

.setup { justify-content: center; gap: 28px; }

.brand { text-align: center; }
.brand h1 {
  margin: 0;
  font-size: 3.5rem;
  font-weight: 600;
  letter-spacing: .06em;
  line-height: 1.1;
}
.brand h1::after {
  content: "";
  display: inline-block;
  width: .22em;
  height: .22em;
  margin-left: .12em;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: .55em;
}
.brand p { margin: 6px 0 0; color: var(--muted); }

.panel {
  display: grid;
  gap: 24px;
  padding: 24px;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
legend {
  margin-bottom: 10px;
  padding: 0;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.segmented label, .chip { position: relative; }
.segmented input, .chip input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 4px;
  background: var(--bg);
  border-radius: 14px;
}
.segmented span {
  display: block;
  padding: 10px 4px;
  border-radius: 10px;
  text-align: center;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: background-color .15s, color .15s, box-shadow .15s;
}
.segmented input:checked + span {
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 1px 3px rgb(0 0 0 / .12);
}

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip span {
  display: block;
  padding: 8px 14px;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: background-color .15s, border-color .15s, color .15s;
}
.chip b {
  margin-right: 6px;
  font-size: 1.15em;
  font-weight: normal;
  line-height: 1;
  color: var(--ink);
}
.chip small { margin-left: 2px; font-size: .8em; opacity: .7; font-variant-numeric: tabular-nums; }
.chip input:checked + span {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--ink);
}

.segmented input:focus-visible + span,
.chip input:focus-visible + span {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.total { margin: 0; text-align: center; color: var(--muted); }
.total strong { color: var(--ink); font-variant-numeric: tabular-nums; }

.start {
  appearance: none;
  padding: 16px;
  border: 0;
  border-radius: 16px;
  background: var(--accent);
  color: var(--on-accent);
  font: 600 1.1rem/1 var(--font-ui);
  letter-spacing: .02em;
  cursor: pointer;
  box-shadow: 0 6px 20px color-mix(in srgb, var(--accent) 35%, transparent);
  transition: transform .1s, opacity .15s, box-shadow .15s;
}
.start:active { transform: scale(.98); }
.start:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.start:disabled { opacity: .4; box-shadow: none; cursor: default; transform: none; }

/* ---------- Spel ---------- */

/* Het spel vult precies het zichtbare deel van het scherm. --vvh/--vvt komen uit app.js
   (visualViewport), zodat het op iOS boven het toetsenbord blijft. */
.game {
  position: fixed;
  top: var(--vvt, 0px);
  inset-inline: 0;
  height: var(--vvh, 100dvh);
  min-height: 0;
  gap: 12px;
  padding-bottom: 12px;
  overflow: hidden;
}

.bar { display: flex; align-items: center; justify-content: space-between; }

.stop {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--surface);
  color: var(--muted);
  box-shadow: var(--shadow);
  cursor: pointer;
}
.stop:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.stats {
  display: flex;
  gap: 14px;
  font-weight: 600;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.streak { color: var(--accent); }

/* Tegels en invoer houden hun maat; de kaart krijgt de rest van de hoogte. */
.stage {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  min-height: 0;
}

.card {
  position: relative;
  display: grid;
  grid-template-rows: 1fr auto;
  place-items: center;
  flex: 1 1 auto;
  min-height: 120px;
  max-height: 340px;
  padding-bottom: 10px;
  container-type: size;
  overflow: hidden;
  background: var(--surface);
  border: 2px solid transparent;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: background-color .15s, border-color .15s;
}
.card[data-state="ok"] { background: var(--ok-bg); border-color: var(--ok); animation: pop .28s ease-out; }
.card[data-state="bad"] { background: var(--bad-bg); border-color: var(--bad); animation: shake .32s ease-in-out; }

.kana {
  font-size: min(55cqh, 36cqw);
  font-weight: 500;
  line-height: 1;
  transition: color .15s;
}
.kana[data-len="2"] { font-size: min(45cqh, 27cqw); }
.card[data-state="ok"] .kana { color: var(--ok); }
.card[data-state="bad"] .kana { color: var(--bad); }

.answer {
  min-height: 1.4em;
  line-height: 1.4;
  text-align: center;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--bad);
}

.timer {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 5px;
  background: color-mix(in srgb, var(--ink) 7%, transparent);
}
.timer i {
  display: block;
  height: 100%;
  background: var(--accent);
  transform-origin: left;
  will-change: transform;
}
.card[data-state="ok"] .timer i { background: var(--ok); }
.card[data-state="bad"] .timer i { background: var(--bad); }

.variants {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(40px, 1fr));
  gap: 6px;
}
.variant {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  background: var(--surface);
  border-radius: 12px;
  box-shadow: 0 1px 2px rgb(40 30 20 / .06);
  font-size: clamp(1.4rem, 7vw, 2rem);
  line-height: 1;
}
.variant[data-len="2"] { font-size: clamp(.95rem, 4.6vw, 1.3rem); }

#answer-form { margin: 0; }

.input {
  width: 100%;
  padding: 10px;
  border: 0;
  border-bottom: 2px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: 500 1.75rem/1.2 var(--font-ui);
  letter-spacing: .05em;
  text-align: center;
  caret-color: var(--accent);
  outline: none;
  transition: border-color .15s;
}
.input:focus { border-color: var(--accent); }
.input::placeholder { color: var(--muted); opacity: .5; }

.hint { margin: 0; text-align: center; font-size: .8rem; color: var(--muted); }
@media (hover: none) {
  .hint { display: none; } /* Enter-tip is voor toetsenborden; op mobiel scheelt het ruimte */
}
kbd {
  padding: 1px 6px;
  border: 1px solid var(--line);
  border-radius: 5px;
  font: inherit;
  font-size: .9em;
}

@keyframes pop {
  50% { transform: scale(1.035); }
}

@keyframes shake {
  20% { transform: translateX(-8px); }
  40% { transform: translateX(7px); }
  60% { transform: translateX(-5px); }
  80% { transform: translateX(3px); }
}

@media (prefers-reduced-motion: reduce) {
  .card { animation: none !important; }
}