:root {
  --bg: #fff4e4;
  --ink: #2b2140;
  --muted: #6e6284;
  --card: #ffffff;
  --line: #f0e0cc;
  --brand: #ff7a3c;
  --brand-2: #ffc857;
  --good: #1f9d55;
  --good-bg: #e5f8ec;
  --bad: #e23b4a;
  --bad-bg: #ffe8ea;
  --star: #f5b400;
  --shadow: 0 12px 28px rgba(92, 48, 12, 0.08);
  --radius: 22px;
  --tap: 56px;
  color-scheme: light;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background:
    radial-gradient(900px 420px at -10% -10%, #ffe1c2 0%, transparent 60%),
    radial-gradient(700px 380px at 110% 0%, #d9f4ff 0%, transparent 55%),
    radial-gradient(600px 400px at 80% 110%, #ffe7f1 0%, transparent 50%),
    var(--bg);
  color: var(--ink);
  font-family: "Avenir Next", "PingFang HK", "PingFang TC", "Noto Sans TC", "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.45;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  min-height: 100dvh;
}

button, input { font: inherit; color: inherit; }

button {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  appearance: none;
  -webkit-appearance: none;
}

.brand-mark svg { width: 34px; height: 34px; display: block; }

#app {
  min-height: 100dvh;
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  padding:
    env(safe-area-inset-top)
    env(safe-area-inset-right)
    env(safe-area-inset-bottom)
    env(safe-area-inset-left);
}

.topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px 10px;
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(255, 244, 228, 0.97);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #ffb703, #ff7a3c);
  box-shadow: var(--shadow);
  flex: none;
}

.brand h1 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.15;
}

.brand p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.spacer { flex: 1; }

.icon-btn, .text-btn, .choice, .chip, .big-go, .scene-choice, .word-card {
  border: 0;
  cursor: pointer;
  background: var(--card);
}

.icon-btn {
  min-width: 48px;
  min-height: 48px;
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 0 12px;
  font-weight: 700;
  white-space: nowrap;
  font-size: 0.95rem;
}

.icon-btn[aria-pressed="true"] {
  background: #2b2140;
  color: white;
}

.main {
  flex: 1;
  padding: 6px 16px 24px;
}

.hero {
  background: linear-gradient(160deg, #fff 0%, #fff8ef 40%, #e7f6ff 100%);
  border-radius: 28px;
  padding: 22px 18px 18px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.hero h2 {
  margin: 0 0 4px;
  font-size: clamp(1.7rem, 7vw, 2.3rem);
  letter-spacing: -0.03em;
}

.motto {
  display: inline-block;
  margin: 8px 0 0;
  background: #2b2140;
  color: #fff;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.95rem;
}

.hero-note {
  margin: 12px 0 0;
  color: var(--muted);
}

.mascot-row {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.mini-ico {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  background: #fff;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow);
}

.mini-ico svg { width: 40px; height: 40px; }

.map {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

.quest {
  display: flex;
  gap: 12px;
  align-items: center;
  text-align: left;
  width: 100%;
  min-height: 92px;
  padding: 14px;
  border-radius: 22px;
  background: #fff;
  box-shadow: var(--shadow);
  border: 3px solid transparent;
}

.quest:active { transform: scale(0.99); }

.quest-index {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: white;
  font-weight: 800;
  flex: none;
}

.quest h3 { margin: 0; font-size: 1.15rem; }
.quest .en { color: var(--muted); font-size: 0.88rem; font-weight: 700; }
.quest .blurb { margin: 2px 0 0; font-size: 0.92rem; }

.stars { letter-spacing: 2px; color: var(--star); font-weight: 800; }
.stars span.off { color: #eadcbc; }

.panel {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  margin-bottom: 12px;
}

.kicker {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h2.step-title {
  margin: 0 0 8px;
  font-size: 1.45rem;
}

.progress {
  height: 10px;
  background: #f3e6d4;
  border-radius: 999px;
  overflow: hidden;
  margin: 4px 0 12px;
}

.progress > div {
  height: 100%;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  border-radius: inherit;
}

.help {
  background: #fff7d6;
  border-radius: 16px;
  padding: 10px 12px;
  margin-bottom: 12px;
}

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

.word-card, .icon-pick {
  min-height: 96px;
  border-radius: 18px;
  padding: 10px;
  box-shadow: var(--shadow);
  border: 3px solid #fff;
  background: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  text-align: center;
}

.word-card strong, .icon-pick strong { font-size: 1.05rem; }
.gloss { color: var(--muted); font-size: 0.85rem; }

.icon-pick svg, .word-card svg { width: 52px; height: 52px; }

.icon-pick.is-wrong, .choice.is-wrong, .chip.is-wrong, .blank.is-wrong {
  animation: shake 0.35s linear;
  background: var(--bad-bg);
  border-color: var(--bad);
}

.icon-pick.is-right, .choice.is-right, .blank.is-right {
  background: var(--good-bg);
  border-color: var(--good);
}

.choice, .scene-choice, .big-go, .chip {
  border-radius: 16px;
  min-height: var(--tap);
  padding: 12px 14px;
  box-shadow: var(--shadow);
  text-align: left;
  border: 3px solid transparent;
}

.choices { display: flex; flex-direction: column; gap: 10px; }

.choice { width: 100%; font-weight: 700; background: #fff; }
.choice:disabled { opacity: 0.55; }

.choice.is-selected { border-color: var(--brand); }

.prompt-word {
  font-size: clamp(2rem, 9vw, 3.1rem);
  margin: 4px 0 12px;
  letter-spacing: -0.03em;
  text-align: center;
  font-weight: 800;
  line-height: 1.25;
}

.prompt-word:lang(zh-Hant) {
  letter-spacing: 0.06em;
}

.scene-art {
  background: linear-gradient(180deg, #e7f4ff, #fff);
  border-radius: 20px;
  padding: 8px;
  margin-bottom: 10px;
}

.scene-art svg { width: 100%; height: auto; display: block; }

.story-bit {
  margin: 0 0 12px;
  font-size: 1.05rem;
}

.blank {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: 52px;
  min-width: 120px;
  margin: 4px 4px;
  padding: 8px 12px;
  border-radius: 14px;
  border: 3px dashed #efc9a4;
  background: #fffaf3;
  font-weight: 800;
  vertical-align: middle;
  text-align: left;
  max-width: 100%;
}

.blank.is-armed {
  border-style: solid;
  border-color: var(--brand);
  background: #fff1e6;
}

.blank.is-locked {
  border-style: solid;
  border-color: var(--good);
  background: var(--good-bg);
}

.bank {
  position: sticky;
  bottom: 0;
  z-index: 4;
  margin-top: auto;
  padding: 10px 12px calc(12px + env(safe-area-inset-bottom));
  background: linear-gradient(180deg, rgba(255, 244, 228, 0), #fff4e4 18%);
}

.bank-tray {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  background: #fff;
  border-radius: 22px;
  padding: 10px;
  box-shadow: var(--shadow);
}

.chip {
  background: #fff7ef;
  border: 3px solid #ffd7bd;
  font-weight: 800;
  min-height: 48px;
  touch-action: none;
}

.main.has-bank {
  padding-bottom: 200px;
}

.chip.is-selected {
  background: #2b2140;
  color: white;
  border-color: #2b2140;
}

.chip:disabled {
  opacity: 0.35;
}

.ghost-chip {
  position: fixed;
  z-index: 20;
  transform: translate(-50%, -120%);
  pointer-events: none;
  min-height: 48px;
  padding: 10px 14px;
  border-radius: 16px;
  background: #2b2140;
  color: white;
  font-weight: 800;
  box-shadow: var(--shadow);
}

.row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.panel .big-go { margin-top: 12px; }

.big-go, .text-btn.primary {
  background: linear-gradient(180deg, #ff935d, #ff7a3c);
  color: white;
  font-weight: 800;
  border-radius: 16px;
  min-height: var(--tap);
  padding: 12px 16px;
  box-shadow: var(--shadow);
  border: 0;
}

.text-btn {
  background: #fff;
  border-radius: 16px;
  min-height: 48px;
  padding: 10px 14px;
  font-weight: 800;
  box-shadow: var(--shadow);
}

.feedback {
  min-height: 1.4em;
  font-weight: 800;
  margin: 8px 0;
}

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

.why {
  background: #f4f7ff;
  border-radius: 14px;
  padding: 10px 12px;
  margin-top: 8px;
}

.passage p { margin: 0 0 10px; }
.passage em, .em {
  font-style: normal;
  background: #fff1b8;
  border-radius: 6px;
  padding: 0 4px;
  font-weight: 800;
}

.pair-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 8px;
}

.pair-table td {
  background: #fff7ef;
  padding: 10px 12px;
  font-weight: 800;
}

.pair-table td:first-child { border-radius: 12px 0 0 12px; }
.pair-table td:last-child { border-radius: 0 12px 12px 0; color: #c2410c; }

.builder-card {
  border: 3px solid var(--line);
  border-radius: 18px;
  padding: 12px;
  margin-bottom: 12px;
  background: #fffdf9;
}

.since-word {
  display: inline-block;
  background: #2b2140;
  color: white;
  border-radius: 999px;
  padding: 4px 10px;
  margin: 6px 4px;
  font-weight: 800;
}

.slot-label {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 800;
}

.score-stars {
  font-size: 3rem;
  letter-spacing: 6px;
  color: var(--star);
  margin: 6px 0;
}

.miss-list { padding-left: 18px; }
.miss-list li { margin: 6px 0; }

.footer-note {
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
  margin: 18px 8px 8px;
}

.look {
  margin-top: 8px;
}

.confetti {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 30;
}

.confetti i {
  position: absolute;
  top: -12px;
  width: 10px;
  height: 14px;
  border-radius: 3px;
  animation: fall 900ms linear forwards;
}

@keyframes shake {
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

@keyframes fall {
  to { transform: translateY(100dvh) rotate(180deg); opacity: 0.2; }
}

@keyframes pop {
  50% { transform: scale(1.06); }
}

.is-pop { animation: pop 0.35s ease; }

@media (min-width: 720px) {
  .card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .icon-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (hover: hover) {
  .quest:hover, .choice:hover, .icon-pick:hover, .word-card:hover {
    transform: translateY(-1px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

:focus-visible {
  outline: 3px solid #1f7aed;
  outline-offset: 2px;
}