/* Dactylus — one small stylesheet. Animations use only transform/opacity. */

@font-face {
  font-family: 'Fredoka Dactylus';
  src: url('../fonts/fredoka.woff2') format('woff2');
  font-weight: 400 700;
  font-display: swap;
}
@font-face {
  font-family: 'Atkinson Dactylus';
  src: url('../fonts/atkinson-regular.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Atkinson Dactylus';
  src: url('../fonts/atkinson-bold.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}

:root {
  --ink: #1b2440;
  --ink-soft: #46507a;
  --bg: #eef6ff;
  --card: #ffffff;
  --primary: #2a6fdb;
  --primary-dark: #1d55b0;
  --sun: #ffc93c;
  --sun-dark: #d99a00;
  --violet: #9b7bff;
  --violet-dark: #6b4fd8;
  --mint: #12a594;
  --done: #0b7a6e;
  --focus: #1b2440;
  --focus-halo: #ffc93c;
  --radius: 22px;
  --shadow: 0 4px 0 rgba(27, 36, 64, 0.08), 0 10px 24px rgba(27, 36, 64, 0.08);

  /* Finger colours — Okabe–Ito (colour-blind safe), strong + tint */
  --f-pinky: #cc79a7;  --f-pinky-tint: #f6dcea;
  --f-ring: #56b4e9;   --f-ring-tint: #d6edfb;
  --f-middle: #009e73; --f-middle-tint: #c6eadf;
  --f-index: #e69f00;  --f-index-tint: #fbe5b0;
  --f-thumb: #8f8fc2;  --f-thumb-tint: #e6e6f5;

  --font: 'Fredoka Dactylus', ui-rounded, 'Segoe UI', 'Trebuchet MS', system-ui, sans-serif;
  --text-spacing: normal;
  --word-spacing: normal;
  font-size: 100%;
}

html[data-text='large'] { font-size: 125%; }
html[data-font='easy'] {
  --font: 'Atkinson Dactylus', 'Andika', 'Lexend', 'Comic Sans MS', Verdana, sans-serif;
  --text-spacing: 0.03em;
  --word-spacing: 0.12em;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  letter-spacing: var(--text-spacing);
  word-spacing: var(--word-spacing);
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 12%, #d9ecff 0 120px, transparent 121px),
    radial-gradient(circle at 92% 88%, #e7defe 0 160px, transparent 161px),
    radial-gradient(circle at 85% 18%, #fff2c9 0 70px, transparent 71px),
    var(--bg);
  background-attachment: fixed;
  line-height: 1.4;
}

[hidden] { display: none !important; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

:focus { outline: none; }
/* :root raises specificity so component shadows never hide the focus halo */
:root :focus-visible {
  outline: 4px solid var(--focus);
  outline-offset: 3px;
  box-shadow: 0 0 0 9px var(--focus-halo);
}
h1[tabindex='-1']:focus-visible, h2[tabindex='-1']:focus-visible, .typing-area:focus-visible {
  outline: none; box-shadow: none;
}

button { font: inherit; letter-spacing: inherit; color: inherit; cursor: pointer; }

/* ---------- Top bar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.5rem clamp(0.75rem, 3vw, 2rem);
  min-height: 64px;
}
.brand {
  display: flex; align-items: center; gap: 0.6rem;
  text-decoration: none; color: inherit; border-radius: 16px; padding: 0.2rem 0.4rem;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-size: 1.6rem; font-weight: 700; color: var(--primary-dark); letter-spacing: 0.01em; }
.brand-tagline { font-size: 0.95rem; color: var(--ink-soft); }

.settings { display: flex; gap: 0.5rem; flex-wrap: wrap; justify-content: flex-end; }
.toggle {
  display: inline-flex; align-items: center; gap: 0.45rem;
  min-height: 44px; padding: 0.35rem 0.9rem 0.35rem 0.4rem;
  border: 2px solid #c9d6ee; border-radius: 999px; background: var(--card);
  font-size: 0.95rem; font-weight: 600;
}
.toggle-icon {
  display: inline-grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%;
  background: #e5edfb; font-weight: 700; font-size: 0.9rem;
}
.toggle-icon--easyFont { font-family: 'Atkinson Dactylus', Verdana, sans-serif; }
.toggle[aria-pressed='true'] { background: var(--primary); border-color: var(--primary); color: #fff; }
.toggle[aria-pressed='true'] .toggle-icon { background: #fff; color: var(--primary-dark); }

/* ---------- Layout ---------- */
.stage { max-width: 1200px; margin: 0 auto; padding: 0 clamp(0.75rem, 3vw, 2rem) 2rem; }

/* ---------- Picker ---------- */
.picker-intro { margin: 0.5rem 0 1rem; }
.picker-title { font-size: 2.2rem; margin: 0; }
.picker-hint { margin: 0.2rem 0 0; font-size: 1.15rem; color: var(--ink-soft); }
.lesson-part { margin-top: 1.4rem; }
.part-title { font-size: 1.3rem; margin: 0 0 0.6rem; color: var(--ink-soft); font-weight: 600; }
.lesson-grid {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 0.9rem; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}
.lesson-card {
  width: 100%; height: 100%;
  display: flex; align-items: center; gap: 0.9rem; text-align: left;
  padding: 0.9rem 1rem; border: 3px solid transparent; border-radius: var(--radius);
  background: var(--card); box-shadow: var(--shadow);
  transition: transform 0.15s ease;
}
.lesson-card:hover { transform: translateY(-3px); border-color: #c9d6ee; }
.lesson-card:active { transform: translateY(1px); }
.lesson-num {
  flex: none; display: grid; place-items: center;
  width: 3rem; height: 3rem; border-radius: 16px;
  font-size: 1.5rem; font-weight: 700; color: var(--ink);
}
.part-home .lesson-num { background: var(--sun); }
.part-reach .lesson-num { background: #9fd3f5; }
.part-shift .lesson-num { background: #b8ecd4; }
.part-punct .lesson-num { background: #ffd8a8; }
.part-accents .lesson-num { background: #c9e4a6; }
.part-numbers .lesson-num { background: #e8d5b5; }
.part-words .lesson-num { background: #cdbfff; }
.lesson-body { display: flex; flex-direction: column; gap: 0.35rem; min-width: 0; }
.lesson-title { font-size: 1.2rem; font-weight: 600; line-height: 1.2; }
.lesson-tip { font-size: 0.95rem; color: var(--ink-soft); line-height: 1.3; }
.lesson-keys { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.chip {
  display: inline-grid; place-items: center; min-width: 2rem; height: 2rem; padding: 0 0.4rem;
  font: inherit; font-weight: 600; font-size: 1.05rem;
  border-radius: 9px; background: #f1f5fd; border: 2px solid #cfdaf0; border-bottom-width: 4px;
}
.chip--wide { font-size: 0.85rem; }

/* ---------- Practice ---------- */
.screen--practice {
  display: flex; flex-direction: column; gap: 0.6rem;
  height: calc(100vh - 72px); min-height: 540px;
}
.practice-head { display: flex; align-items: center; gap: 1rem; }
.practice-title { margin: 0; font-size: 1.5rem; font-weight: 600; }
.practice-num { color: var(--ink-soft); font-weight: 500; margin-right: 0.3rem; }

.progress {
  position: relative; height: 16px; border-radius: 999px;
  background: #dde7f7; overflow: visible; flex: none;
}
.progress-fill {
  position: absolute; inset: 0; border-radius: 999px;
  background: linear-gradient(90deg, var(--mint), var(--primary));
  transform-origin: left center; transform: scaleX(0);
  transition: transform 0.25s ease-out;
}
.progress-star {
  position: absolute; right: -6px; top: 50%; transform: translateY(-50%);
  font-size: 1.6rem; line-height: 1; color: var(--sun); text-shadow: 0 1px 0 var(--sun-dark);
}

.typing-area {
  flex: none; background: var(--card); border-radius: 28px; box-shadow: var(--shadow);
  padding: 0.6rem 1.5rem 0.5rem; text-align: center;
}
.line {
  margin: 0; font-size: clamp(2.2rem, 5.2vw, 3.6rem); font-weight: 600; line-height: 1.25;
  white-space: pre; overflow: hidden; text-overflow: ellipsis;
}
.line--next { font-size: 1.3rem; font-weight: 500; color: #8a93b5; min-height: 1.4em; }
.line--enter { animation: slide-in 0.3s ease-out; }
.ch {
  display: inline-block; min-width: 0.3em; padding: 0 0.04em; border-radius: 12px;
  color: var(--ink); transition: color 0.15s;
}
.ch--space { width: 0.55em; position: relative; }
.ch--space::after { /* the ␣ mark, so spaces are visible */
  content: ''; position: absolute; left: 18%; right: 18%; bottom: 0.2em; height: 0.16em;
  border: 0.06em solid #b9c3de; border-top: 0; border-radius: 0 0 0.08em 0.08em;
}
.ch.is-done { color: var(--done); }
.ch.is-current {
  background: #fff1c2; box-shadow: inset 0 -0.12em 0 var(--sun-dark);
}
.ch.is-pop { animation: pop 0.3s ease-out; }

.coach { display: flex; align-items: center; gap: 0.8rem; flex: none; }
.coach-mascot { flex: none; }
.bubble {
  position: relative; flex: 1; display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  background: var(--card); border-radius: 20px; padding: 0.5rem 1rem; box-shadow: var(--shadow);
}
.bubble::before {
  content: ''; position: absolute; left: -10px; top: 50%; width: 20px; height: 20px;
  background: var(--card); transform: translateY(-50%) rotate(45deg); border-radius: 4px;
}
.hint { margin: 0; font-size: 1.2rem; flex: 1; min-width: 14rem; }
.kc {
  display: inline-block; padding: 0 0.45em; margin: 0 0.1em; border-radius: 8px; font: inherit; font-weight: 700;
  border: 2px solid rgba(27, 36, 64, 0.25); border-bottom-width: 4px;
}
.bigkeys { display: flex; align-items: center; gap: 0.4rem; }
.bigkey {
  display: grid; place-items: center; min-width: 3.4rem; height: 3.4rem; padding: 0 0.6rem;
  font-size: 2rem; font-weight: 700; border-radius: 14px;
  border: 3px solid rgba(27, 36, 64, 0.35); border-bottom-width: 6px; opacity: 0.55;
}
.bigkey--wide { font-size: 1.15rem; }
.bigkey.is-active { opacity: 1; border-color: var(--ink); }
.bigkey.is-done { opacity: 0.35; }
.bigkey-then { font-size: 1.4rem; font-weight: 700; color: var(--ink-soft); }
.bigkeys.is-hinting .bigkey.is-active { animation: soft-blink 0.8s ease-in-out 3; }

/* Finger colour classes shared by HTML and SVG */
.finger-pinky { --fc: var(--f-pinky); --ft: var(--f-pinky-tint); }
.finger-ring { --fc: var(--f-ring); --ft: var(--f-ring-tint); }
.finger-middle { --fc: var(--f-middle); --ft: var(--f-middle-tint); }
.finger-index { --fc: var(--f-index); --ft: var(--f-index-tint); }
.finger-thumb { --fc: var(--f-thumb); --ft: var(--f-thumb-tint); }
.finger-none { --fc: #d5dbe8; --ft: #eef1f7; }
.kc, .bigkey { background: var(--ft, #eef1f7); }

/* ---------- Keyboard SVG ---------- */
.kb-wrap { flex: 1; min-height: 0; display: flex; justify-content: center; }
.kb { width: 100%; height: 100%; max-width: 1100px; display: block; }
.key-cap { fill: var(--ft); stroke: rgba(27, 36, 64, 0.22); stroke-width: 1.5; }
.key.is-target .key-cap { fill: var(--fc); stroke: var(--ink); stroke-width: 3; }
.key-legend {
  font-family: var(--font); font-size: 27px; font-weight: 600; fill: var(--ink);
  text-anchor: middle; dominant-baseline: central;
}
.key-legend--small { font-size: 18px; text-anchor: start; }
.key-label { font-family: var(--font); font-size: 15px; font-weight: 500; fill: var(--ink-soft); }
.key-bump { fill: rgba(27, 36, 64, 0.45); }

.hand-shadow { opacity: 0.17; }
.hand rect { fill: var(--ink); }
.hand .finger { fill: none; stroke: var(--ink); stroke-linecap: round; }
.finger-hl { fill: none; stroke: var(--fc); stroke-linecap: round; opacity: 0.8; }

.kb-ring { fill: none; stroke: var(--ink); stroke-width: 4; transform-box: fill-box; transform-origin: center; }
.kb-ring--secondary { stroke-dasharray: 10 7; }
.kb-ring.is-new { animation: ring-in 0.35s ease-out; }
.kb-glow { fill: none; stroke: var(--sun); stroke-width: 9; opacity: 0; }
.kb.is-hinting .kb-glow { animation: soft-blink 0.8s ease-in-out 3; }
.kb-reach { fill: none; stroke: var(--ink); stroke-opacity: 0.55; stroke-width: 9; stroke-linecap: round; stroke-dasharray: 0 15; }

.sparkle {
  fill: var(--sun); stroke: var(--ink); stroke-width: 2; stroke-linejoin: round;
  transform-box: fill-box; transform-origin: center;
  animation: sparkle 0.6s ease-out forwards;
}

/* ---------- Mascot ---------- */
.mascot { display: block; overflow: visible; }
.mascot-head, .mascot-arm { fill: var(--violet); }
.mascot-arm { fill: none; stroke: var(--violet); stroke-width: 16; stroke-linecap: round; }
.mascot-shine { fill: #fff; opacity: 0.45; }
.mascot-spot { fill: var(--violet-dark); opacity: 0.35; }
.mascot-eye { fill: #fff; }
.mascot-pupil { fill: var(--ink); }
.mascot-glint { fill: #fff; }
.mascot-cheek { fill: #ff9fc6; opacity: 0.8; }
.mascot-mouth { fill: none; stroke: var(--ink); stroke-width: 5; stroke-linecap: round; }
.mascot-shadow { fill: var(--ink); opacity: 0.08; }
.mascot-body { transform-box: fill-box; transform-origin: 50% 100%; }
.mascot.is-bounce .mascot-body { animation: bounce 0.35s ease-out; }
.mascot--cheer .mascot-arm--wave-left, .mascot--cheer .mascot-arm--wave-right {
  transform-box: fill-box; animation: wave 0.9s ease-in-out 4 alternate;
}
.mascot--cheer .mascot-arm--wave-left { transform-origin: 100% 0; }
.mascot--cheer .mascot-arm--wave-right { transform-origin: 0 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.3rem;
  min-height: 56px; padding: 0.7rem 1.4rem; border-radius: 999px;
  font-size: 1.2rem; font-weight: 600; border: 3px solid transparent;
  transition: transform 0.12s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--primary); color: #fff; box-shadow: 0 4px 0 var(--primary-dark); }
.btn--secondary { background: var(--sun); color: var(--ink); box-shadow: 0 4px 0 var(--sun-dark); }
.btn--ghost { background: var(--card); color: var(--ink); border-color: #c9d6ee; }
.back { min-height: 48px; padding: 0.4rem 1rem; font-size: 1.05rem; }

/* ---------- End ---------- */
.screen--end { display: grid; place-items: center; min-height: calc(100vh - 90px); }
.end-card {
  position: relative; z-index: 1; width: min(640px, 100%);
  background: var(--card); border-radius: 36px; box-shadow: var(--shadow);
  padding: 1.5rem 2rem 2rem; text-align: center;
}
.end-mascot { display: flex; justify-content: center; margin-top: -0.5rem; }
.end-title { font-size: 2.6rem; margin: 0.2rem 0 0; color: var(--primary-dark); }
.stars { display: flex; justify-content: center; gap: 0.6rem; margin: 0.4rem 0; }
.star { width: 76px; height: 76px; animation: star-in 0.5s cubic-bezier(.3,1.6,.5,1) backwards; }
.star--1 { animation-delay: 0.25s; }
.star--2 { animation-delay: 0.5s; }
.star-shape { fill: var(--sun); stroke: var(--sun-dark); stroke-width: 5; stroke-linejoin: round; }
.end-encourage { font-size: 1.35rem; margin: 0.3rem 0 1rem; }
.end-facts { display: grid; gap: 0.7rem; grid-template-columns: 1fr 1fr; margin-bottom: 1.3rem; }
.fact {
  display: flex; align-items: center; gap: 0.7rem; text-align: left;
  background: #f2f7ff; border-radius: 20px; padding: 0.8rem 1rem; font-size: 1.1rem; font-weight: 500;
}
.fact-icon { font-size: 2.2rem; line-height: 1; }
.fact-text small { display: block; font-size: 0.95rem; color: var(--ink-soft); }
.end-note { margin: 0 0 1rem; font-size: 1.15rem; }
.end-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.7rem; }

.confetti { position: fixed; inset: 0; pointer-events: none; overflow: hidden; z-index: 0; }
.confetti-piece {
  position: absolute; top: -24px; left: var(--x); width: 12px; height: 18px; border-radius: 3px;
  background: var(--c); opacity: 0.95;
  animation: fall var(--dur) var(--delay) ease-in forwards;
}
.confetti-piece.is-round { width: 14px; height: 14px; border-radius: 50%; }

.noscript { max-width: 40rem; margin: 2rem auto; font-size: 1.3rem; text-align: center; }

/* ---------- Animations ---------- */
@keyframes pop { 0% { transform: scale(1); } 45% { transform: scale(1.25); } 100% { transform: scale(1); } }
@keyframes slide-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes soft-blink { 0%, 100% { opacity: 0.15; } 50% { opacity: 1; } }
@keyframes ring-in { from { transform: scale(1.25); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes sparkle {
  0% { transform: scale(0.2) rotate(0deg); opacity: 1; }
  60% { transform: scale(1) rotate(30deg) translateY(-8px); opacity: 1; }
  100% { transform: scale(0.8) rotate(45deg) translateY(-22px); opacity: 0; }
}
@keyframes bounce { 0% { transform: none; } 40% { transform: translateY(-8px) scale(1.04, 0.97); } 100% { transform: none; } }
@keyframes wave { from { transform: rotate(0deg); } to { transform: rotate(-28deg); } }
@keyframes star-in { from { transform: scale(0) rotate(-40deg); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes fall {
  from { transform: translate(0, 0) rotate(0deg); }
  to { transform: translate(var(--drift), 110vh) rotate(calc(var(--spin) * 720deg)); }
}

/* Reduced motion: no confetti, no movement; hints become a steady glow. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .confetti, .sparkle { display: none; }
  .kb.is-hinting .kb-glow { opacity: 1; }
}

/* Smaller screens */
@media (max-width: 760px) {
  .brand-tagline { display: none; }
  .end-facts { grid-template-columns: 1fr; }
  .coach-mascot { display: none; }
}
@media (max-height: 700px) {
  .coach-mascot svg { width: 60px; height: 60px; }
  .line--next { display: none; }
}