:root {
  --ink: #5c3346;
  --ink-soft: #96697e;
  --paper: #fff6f9;
  --paper-2: #ffe9f0;
  --line: #f5d2de;
  --accent: #e8749a;
  --accent-dark: #c65179;
  --good: #4a9e78;
  --bad: #d4587a;
  --radius: 20px;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  padding: 16px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  font-family: "Nunito", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 50% -10%, #fff0f5 0%, transparent 60%),
    linear-gradient(160deg, #ffe0ec 0%, #ffc9dc 45%, #f8b3cd 100%);
  background-attachment: fixed;
  -webkit-text-size-adjust: 100%;
}

.app {
  width: 100%;
  max-width: 520px;
  padding-bottom: 24px;
}

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

/* ---------- header ---------- */

.head { text-align: center; margin: 4px 0 14px; }

h1 {
  margin: 0;
  font-size: clamp(28px, 8vw, 40px);
  letter-spacing: -0.5px;
  color: #fff;
  text-shadow: 0 2px 0 var(--accent-dark), 0 6px 18px rgba(150, 50, 90, .35);
}

.subtitle {
  margin: 6px 0 0;
  font-size: 14px;
  color: #a85978;
}

.progress {
  display: flex;
  justify-content: center;
  gap: 8px;
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.progress li {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .55);
  box-shadow: inset 0 0 0 2px rgba(190, 100, 140, .35);
  transition: background .3s, transform .3s;
}

.progress li.done { background: var(--accent); transform: scale(1.05); }
.progress li.current { background: #fff; transform: scale(1.3); }

/* ---------- panels ---------- */

.panel {
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: 0 12px 30px rgba(160, 60, 100, .2);
  padding: 12px 16px 18px;
  animation: pop .35s ease both;
}

@keyframes pop {
  from { opacity: 0; transform: translateY(10px) scale(.98); }
  to   { opacity: 1; transform: none; }
}

/* ---------- stage ---------- */

.stage {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 14px;
  overflow: hidden;
  background: #ffd9e6;
}

.island-slot, .cat-slot, .chest-slot { position: absolute; }

.island-slot { inset: 0; }
.island-slot svg { width: 100%; height: 100%; display: block; }

.cat-slot {
  left: 25%;
  bottom: 25%;
  width: 20%;
  transform: translateX(-50%);
}

.chest-slot {
  left: 57%;
  bottom: 28%;
  width: 31%;
  transform: translateX(-50%);
  overflow: visible;
}

.cat-slot svg, .chest-slot svg { width: 100%; height: auto; display: block; overflow: visible; }

/* ---------- cat moods ---------- */

.cat .face { display: none; }
.cat.mood-neutral .face-neutral,
.cat.mood-bad .face-bad,
.cat.mood-good .face-good { display: block; }

.cat-tail { transform-box: view-box; transform-origin: 92px 118px; }
.cat.mood-good .cat-tail { animation: wag .6s ease-in-out 3; }
.cat.mood-bad .cat-head { animation: shakeHead .4s ease-in-out 2; }

@keyframes wag {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(-14deg); }
}

@keyframes shakeHead {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-3px); }
  75% { transform: translateX(3px); }
}

/* ---------- chest ---------- */

.chest-lid {
  transform-box: view-box;
  transform-origin: 14px 62px;
  transition: transform .55s cubic-bezier(.2, .9, .3, 1.4);
}

.chest-inner { opacity: 0; transition: opacity .3s .15s; }
.chest-glow { opacity: 0; }
.chest-sparkles .spark { opacity: 0; }

.chest-slot.is-open .chest-lid { transform: rotate(-78deg); }
.chest-slot.is-open .chest-inner { opacity: 1; }
.chest-slot.is-open .chest-glow { animation: glowPulse 1s ease-out .2s both; }
.chest-slot.is-open .spark { animation: sparkUp .9s ease-out both; }
.chest-slot.is-open .s1 { animation-delay: .25s; }
.chest-slot.is-open .s2 { animation-delay: .35s; }
.chest-slot.is-open .s3 { animation-delay: .3s; }
.chest-slot.is-open .s4 { animation-delay: .45s; }
.chest-slot.is-open .s5 { animation-delay: .5s; }

@keyframes glowPulse {
  0% { opacity: 0; }
  40% { opacity: 1; }
  100% { opacity: .35; }
}

@keyframes sparkUp {
  0% { opacity: 0; transform: translateY(10px) scale(.4); }
  40% { opacity: 1; transform: translateY(-2px) scale(1.1); }
  100% { opacity: 0; transform: translateY(-16px) scale(.8); }
}

.chest-slot.is-wrong { animation: shake .4s ease-in-out; }

@keyframes shake {
  0%, 100% { transform: translateX(-50%) rotate(0); }
  20% { transform: translateX(-56%) rotate(-3deg); }
  50% { transform: translateX(-44%) rotate(3deg); }
  80% { transform: translateX(-53%) rotate(-2deg); }
}

.chest-slot.is-leaving { animation: leave .5s ease-in forwards; }
.chest-slot.is-entering { animation: enter .5s ease-out both; }

@keyframes leave {
  to { opacity: 0; transform: translateX(-50%) translateY(-14px) scale(.9); }
}

@keyframes enter {
  from { opacity: 0; transform: translateX(-50%) translateY(16px) scale(.9); }
  to { opacity: 1; transform: translateX(-50%); }
}

.wave { transform-box: view-box; }
.w1 { animation: bob 3s ease-in-out infinite; }
.w2 { animation: bob 3.6s ease-in-out infinite .4s; }
.w3 { animation: bob 4.2s ease-in-out infinite .8s; }

@keyframes bob {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(10px); }
}

.tree { transform-box: view-box; transform-origin: 322px 216px; animation: sway 5s ease-in-out infinite; }

@keyframes sway {
  0%, 100% { transform: rotate(-1.2deg); }
  50% { transform: rotate(1.6deg); }
}

.heart { transform-box: view-box; }
.h1 { animation: float 6s ease-in-out infinite; }
.h2 { animation: float 7.5s ease-in-out infinite 1s; }
.h3 { animation: float 6.8s ease-in-out infinite 2s; }

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-4deg); }
  50% { transform: translateY(-8px) rotate(4deg); }
}

/* ---------- talk + form ---------- */

.talk { margin: 14px 2px 10px; min-height: 62px; }

.question {
  margin: 0;
  font-size: clamp(17px, 4.6vw, 20px);
  font-weight: 700;
  line-height: 1.35;
}

.feedback {
  margin: 6px 0 0;
  font-size: 14px;
  min-height: 20px;
  color: var(--ink-soft);
}

.feedback.good { color: var(--good); font-weight: 700; }
.feedback.bad { color: var(--bad); font-weight: 700; }

.answer-form { display: flex; gap: 8px; }

input[type="text"] {
  flex: 1;
  min-width: 0;
  font: inherit;
  font-size: 16px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 2px solid var(--line);
  background: var(--paper-2);
  color: var(--ink);
}

input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
}

button {
  font: inherit;
  font-weight: 800;
  font-size: 16px;
  padding: 12px 20px;
  border: none;
  border-radius: 14px;
  color: #fff;
  background: var(--accent);
  box-shadow: 0 4px 0 var(--accent-dark);
  cursor: pointer;
  transition: transform .1s, box-shadow .1s;
}

button:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--accent-dark); }
button:disabled { opacity: .5; cursor: default; }

/* ---------- reward ---------- */

.reward-scene { text-align: center; }

.reward-title { margin: 8px 0 2px; font-size: 20px; }
.reward-lead { margin: 0 0 14px; font-size: 14px; color: var(--ink-soft); }

.card-wrap { padding: 10px; }

.card {
  position: relative;
  width: 100%;
  aspect-ratio: 8 / 5;
  border-radius: 18px;
  overflow: hidden;
  background: linear-gradient(150deg, #fff2f7, #ffe0ec);
  box-shadow: 0 0 0 4px #fff, 0 10px 30px rgba(180, 70, 115, .3), 0 0 40px rgba(255, 170, 200, .8);
  animation: cardGlow 2.6s ease-in-out infinite;
}

@keyframes cardGlow {
  0%, 100% { box-shadow: 0 0 0 4px #fff, 0 10px 30px rgba(180,70,115,.3), 0 0 26px rgba(255,170,200,.6); }
  50% { box-shadow: 0 0 0 4px #fff, 0 10px 30px rgba(180,70,115,.3), 0 0 54px rgba(255,150,190,1); }
}

.card-under {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px;
}

.reward-amount {
  margin: 0;
  font-family: "Bradley Hand", "Segoe Script", "Comic Sans MS", cursive;
  font-size: clamp(26px, 8.5vw, 40px);
  font-weight: 700;
  color: #c2185b;
  transform: rotate(-3deg);
}

.reward-note {
  margin: 0;
  font-family: "Bradley Hand", "Segoe Script", "Comic Sans MS", cursive;
  font-size: clamp(15px, 4.6vw, 20px);
  color: #96496b;
  transform: rotate(-2deg);
}

.card-cover {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  cursor: grab;
  touch-action: none;
  transition: opacity .6s;
}

.card-cover.gone { opacity: 0; pointer-events: none; }

.card-shine {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(115deg, transparent 35%, rgba(255,255,255,.75) 48%, transparent 62%);
  background-size: 250% 100%;
  animation: shine 3s linear infinite;
}

@keyframes shine {
  from { background-position: 160% 0; }
  to { background-position: -60% 0; }
}

.scratch-hint { font-size: 13px; color: var(--ink-soft); margin: 12px 0 10px; }

.ghost-btn {
  background: none;
  color: var(--ink-soft);
  box-shadow: none;
  font-size: 13px;
  font-weight: 600;
  text-decoration: underline;
  padding: 6px 10px;
}

.ghost-btn:active { transform: none; box-shadow: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}