:root {
  color-scheme: light;
  --ink: #303047;
  --muted: #6b6d83;
  --pink: #ff7eb6;
  --pink-deep: #d9468d;
  --rose: #ffe3ef;
  --sky: #b9edf5;
  --mint: #bff2d7;
  --lemon: #ffe89a;
  --lilac: #d7c7ff;
  --paper: #fff9fb;
  --white: #ffffff;
  --shadow: 0 22px 60px rgba(143, 91, 129, .18);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Nunito", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  overflow-x: hidden;
  background:
    radial-gradient(circle at 12% 10%, rgba(255, 232, 154, .7), transparent 26%),
    radial-gradient(circle at 88% 18%, rgba(185, 237, 245, .65), transparent 24%),
    linear-gradient(135deg, #fff7fb 0%, #f4fbff 46%, #fffaf0 100%);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  min-height: 46px;
  border: 0;
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--ink);
  background: var(--white);
  box-shadow: 0 8px 22px rgba(111, 95, 120, .12);
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(111, 95, 120, .16);
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(255, 126, 182, .45);
  outline-offset: 3px;
}

button:disabled {
  cursor: not-allowed;
  opacity: .55;
  transform: none;
}

.app-shell {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  padding: 22px 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 18px;
}

.practice-stage,
.side-panel > section {
  border: 1px solid rgba(255, 126, 182, .22);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .76);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.practice-stage {
  min-height: calc(100vh - 44px);
  padding: clamp(18px, 3vw, 34px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 330px);
  align-content: start;
  gap: 18px;
  overflow: hidden;
}

.hero-copy {
  align-self: center;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--pink-deep);
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
  font-size: .82rem;
}

h1 {
  margin: 0;
  font-size: clamp(2.45rem, 7vw, 5.6rem);
  line-height: .9;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 12px;
  font-size: 1.05rem;
}

.coach-line {
  max-width: 620px;
  min-height: 58px;
  margin: 18px 0 0;
  color: #4c4e66;
  font-size: clamp(1.25rem, 2.4vw, 1.85rem);
  line-height: 1.22;
  font-weight: 800;
}

.fairy-wrap {
  min-height: 320px;
  display: grid;
  place-items: center;
}

.fairy {
  width: min(100%, 310px);
  filter: drop-shadow(0 24px 32px rgba(185, 94, 141, .22));
}

.wing {
  transform-box: fill-box;
  transform-origin: center;
  animation: flutter 2.8s ease-in-out infinite;
}

.right-wing {
  animation-delay: .18s;
}

.sparkles {
  transform-origin: center;
  opacity: .85;
}

.fairy.celebrate .sparkles {
  animation: sparkle-pop .9s ease both;
}

.fairy.hint .sparkles {
  animation: hint-twinkle 1s ease both;
}

@keyframes flutter {
  0%, 100% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(4deg) scale(1.035); }
}

@keyframes sparkle-pop {
  0% { transform: scale(.7) rotate(-8deg); opacity: .2; }
  45% { transform: scale(1.25) rotate(7deg); opacity: 1; }
  100% { transform: scale(1) rotate(0); opacity: .9; }
}

@keyframes hint-twinkle {
  0%, 100% { transform: translateY(0); opacity: .8; }
  50% { transform: translateY(-8px); opacity: 1; }
}

.word-card,
.answer-panel,
.hint-dock {
  grid-column: 1 / -1;
}

.word-card {
  display: grid;
  gap: 10px;
  min-height: 205px;
  padding: 20px;
  border-radius: var(--radius);
  background:
    linear-gradient(125deg, rgba(255, 227, 239, .9), rgba(185, 237, 245, .72)),
    var(--white);
  border: 1px solid rgba(217, 70, 141, .18);
}

.round-meta,
.controls,
.hint-dock {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(160px, 210px) minmax(140px, 190px);
  gap: 10px;
  align-items: stretch;
}

.round-meta {
  justify-content: space-between;
  color: var(--muted);
  font-weight: 900;
  font-size: .9rem;
}

.word-prompt {
  margin: 0;
  color: var(--pink-deep);
  font-size: 1rem;
  font-weight: 900;
}

.word-display {
  width: 100%;
  min-height: 86px;
  margin: 0;
  display: grid;
  place-items: center;
  border: 2px dashed rgba(217, 70, 141, .28);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .66);
  color: var(--ink);
  font-size: clamp(2rem, 8vw, 4.8rem);
  font-weight: 900;
  letter-spacing: 0;
  text-transform: lowercase;
}

.hidden-word {
  color: transparent;
  text-shadow: none;
  position: relative;
  overflow: hidden;
}

.hidden-word::before {
  content: "";
  position: absolute;
  inset: 16px;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 18% 50%, rgba(255, 126, 182, .34) 0 9px, transparent 10px),
    radial-gradient(circle at 34% 50%, rgba(255, 232, 154, .58) 0 11px, transparent 12px),
    radial-gradient(circle at 50% 50%, rgba(185, 237, 245, .72) 0 13px, transparent 14px),
    radial-gradient(circle at 66% 50%, rgba(215, 199, 255, .56) 0 11px, transparent 12px),
    radial-gradient(circle at 82% 50%, rgba(255, 126, 182, .28) 0 9px, transparent 10px),
    linear-gradient(135deg, rgba(255, 255, 255, .86), rgba(255, 227, 239, .62));
  box-shadow: inset 0 0 26px rgba(255, 255, 255, .88), 0 8px 24px rgba(217, 70, 141, .12);
}

.hidden-word::after {
  content: "✦ ✧ ✦";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: rgba(217, 70, 141, .42);
  font-size: clamp(1.8rem, 6vw, 3.8rem);
  letter-spacing: 0;
}

.microcopy {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}

.primary-button {
  color: var(--white);
  background: linear-gradient(135deg, var(--pink), var(--pink-deep));
  font-weight: 900;
}

.secondary-button {
  background: #fff;
  color: #384053;
  font-weight: 900;
}

.answer-panel {
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .72);
  border: 1px solid rgba(142, 223, 230, .34);
  display: grid;
  gap: 14px;
}

.answer-form,
.parent-form,
.field-group {
  display: grid;
  gap: 8px;
}

.answer-form label,
.field-group label {
  color: #56586e;
  font-size: .9rem;
  font-weight: 900;
}

.answer-help {
  margin: 0 0 6px;
  color: var(--muted);
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(107, 109, 131, .22);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .86);
  color: var(--ink);
  padding: 12px;
  font-size: 1rem;
}

.input-row input {
  min-width: 0;
  min-height: 58px;
  font-size: 1.12rem;
  font-weight: 800;
}

.input-row button,
.hint-dock button,
.parent-card button {
  font-weight: 900;
}

#listenButton {
  min-height: 64px;
  color: #ffffff;
  background: linear-gradient(135deg, #6fc9df, #5b8ee8);
  border: 2px solid rgba(255, 255, 255, .72);
  box-shadow: 0 16px 34px rgba(91, 142, 232, .22);
  font-size: 1.08rem;
}

#listenButton:disabled {
  color: rgba(48, 48, 71, .46);
  background: #ffffff;
  border-color: rgba(107, 109, 131, .12);
  box-shadow: none;
}

#checkAnswerButton {
  min-height: 58px;
  border: 2px solid transparent;
  color: #ffffff;
  background: linear-gradient(135deg, var(--pink), var(--pink-deep));
  box-shadow: 0 14px 30px rgba(217, 70, 141, .24);
  font-size: 1.1rem;
}

#checkAnswerButton:disabled {
  color: rgba(82, 73, 98, .58);
  background: #fff5fa;
  border-color: rgba(217, 70, 141, .22);
  box-shadow: none;
}

.cooldown-hidden {
  display: none;
}

.hint-dock {
  padding: 6px 0 0;
}

.hint-dock button:nth-child(1) {
  background: var(--lemon);
}

.hint-dock button:nth-child(2) {
  background: var(--mint);
}

.hint-dock button:nth-child(3) {
  background: var(--lilac);
}

.side-panel {
  display: grid;
  gap: 14px;
  align-content: start;
}

.side-panel > section {
  padding: 16px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.stat-grid div {
  min-height: 84px;
  border-radius: var(--radius);
  padding: 12px;
  background: linear-gradient(145deg, #fff, #fff2f8);
  border: 1px solid rgba(255, 126, 182, .18);
}

.stat-grid strong {
  display: block;
  font-size: clamp(1.45rem, 4vw, 2rem);
  line-height: 1;
}

.stat-grid span {
  color: var(--muted);
  font-size: .86rem;
  font-weight: 800;
}

.milestone-track {
  height: 14px;
  margin-top: 14px;
  overflow: hidden;
  border-radius: 999px;
  background: #f1edf7;
}

.milestone-track span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--pink), var(--lemon), var(--mint));
  transition: width .25s ease;
}

.milestone-copy {
  margin: 10px 0 0;
  color: var(--muted);
  font-weight: 800;
}

details {
  display: grid;
  gap: 12px;
}

summary {
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 900;
}

details > * + * {
  margin-top: 12px;
}

.quiet-button {
  width: 100%;
  background: #fff0f5;
  color: #a2396f;
}

.success-pulse {
  animation: success-pulse .9s ease;
}

@keyframes success-pulse {
  0%, 100% { transform: scale(1); }
  45% { transform: scale(1.025); }
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .practice-stage {
    min-height: auto;
    grid-template-columns: minmax(0, 1fr) minmax(190px, 260px);
  }

  .fairy-wrap {
    min-height: 250px;
  }

  .fairy {
    width: min(100%, 250px);
  }
}

@media (max-width: 700px) {
  .practice-stage {
    grid-template-columns: 1fr;
  }

  .input-row {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    text-align: center;
  }

  .coach-line {
    margin-inline: auto;
  }

  .fairy-wrap {
    min-height: 210px;
  }

  .fairy {
    width: min(78vw, 235px);
  }
}

@media (max-width: 560px) {
  .app-shell {
    width: min(100% - 18px, 1180px);
    padding: 9px 0;
  }

  .practice-stage,
  .side-panel > section {
    padding: 14px;
  }

  .controls button,
  .hint-dock button,
  .input-row button {
    flex: 1 1 100%;
  }

  .word-display {
    min-height: 72px;
    overflow-wrap: anywhere;
  }

  .stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 390px) {
  h1 {
    font-size: 2.28rem;
  }

  .coach-line {
    font-size: 1.12rem;
    min-height: auto;
  }

  .word-card,
  .answer-panel {
    padding: 12px;
  }

  .stat-grid {
    gap: 8px;
  }

  .stat-grid div {
    min-height: 76px;
    padding: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .001ms !important;
  }
}