/* ============================================================
   ABCパーク 共享样式
   设计原则（自闭症友好）：
   - 柔和低饱和配色、无闪烁、动画克制
   - 每页布局一致：页头（返回/标题/声音）永远在同一位置
   - 超大触摸目标（≥64px）、超大字母
   - 尊重系统「减少动态效果」设置
   ============================================================ */

@font-face {
  font-family: 'Andika';
  src: url('../fonts/Andika-Regular.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Andika';
  src: url('../fonts/Andika-Bold.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}

:root {
  --bg: #FBF5EA;
  --card: #FFFFFF;
  --ink: #4D453E;
  --ink-soft: #93897D;
  --line: #EDE3D2;
  --shadow: 0 4px 14px rgba(93, 79, 66, 0.10);
  --star: #FFC83D;
  --good-bg: #EAF7EC;
  --good-border: #7FC487;

  --accent: #F5A25D;          /* 每页可覆盖 */
  --accent-soft: #FDEEDD;

  --c-zukan: #F5A25D;   --c-zukan-soft: #FDEEDD;
  --c-listen: #74B3E3;  --c-listen-soft: #E3F0FB;
  --c-pair: #83C58A;    --c-pair-soft: #E8F6EA;
  --c-trace: #B79CE0;   --c-trace-soft: #F1EAFB;
  --c-sticker: #F0A3B8; --c-sticker-soft: #FDEAEF;
  --c-parent: #9AA6AE;  --c-parent-soft: #EEF2F4;

  --font-ja: 'Hiragino Maru Gothic ProN', 'BIZ UDPGothic', 'Yu Gothic UI', 'Meiryo', sans-serif;
  --font-letter: 'Andika', 'Comic Sans MS', 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ja);
  line-height: 1.5;
  min-height: 100vh;
  min-height: 100dvh;
}

button {
  font-family: inherit;
  color: inherit;
  border: none;
  background: none;
  cursor: pointer;
  touch-action: manipulation;
}

a { color: inherit; text-decoration: none; touch-action: manipulation; }

button:focus-visible, a:focus-visible {
  outline: 4px solid var(--accent);
  outline-offset: 3px;
  border-radius: 12px;
}

.letter-font { font-family: var(--font-letter); }

/* ---------- 页头（所有页面一致） ---------- */

.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg);
  border-bottom: 2px solid var(--line);
}

.header-title {
  margin: 0;
  font-size: clamp(1.15rem, 3.5vw, 1.5rem);
  font-weight: 700;
  text-align: center;
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 64px;
  min-height: 56px;
  padding: 6px 14px;
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  font-weight: 700;
  font-size: 0.95rem;
}

.header-btn:active { transform: scale(0.96); }
.header-btn-icon { font-size: 1.5rem; line-height: 1; }
.header-btn-label { color: var(--ink-soft); font-size: 0.85rem; }
.sound-btn.is-off { opacity: 0.55; }

.header-mascot {
  font-size: 2.2rem;
  min-width: 64px;
  text-align: center;
  animation: float-gentle 3.2s ease-in-out infinite alternate;
}

/* ---------- 页面容器 ---------- */

.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 20px 16px 56px;
}

.page-note {
  text-align: center;
  color: var(--ink-soft);
  font-size: 1.05rem;
  margin: 4px 0 18px;
}

/* ---------- 入口菜单 ---------- */

.hero {
  text-align: center;
  margin: 8px 0 22px;
}
.hero-title {
  font-family: var(--font-letter);
  font-size: clamp(2.4rem, 9vw, 3.6rem);
  font-weight: 700;
  margin: 0;
  letter-spacing: 0.04em;
}
.hero-title .h-a { color: #E88A3A; }
.hero-title .h-b { color: #5C9FD6; }
.hero-title .h-c { color: #6FB077; }
.hero-sub { color: var(--ink-soft); font-size: 1.1rem; margin: 6px 0 0; }

.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: 16px;
}

.menu-card {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 112px;
  padding: 16px 20px;
  background: var(--card);
  border: 3px solid var(--mc, var(--line));
  border-radius: 26px;
  box-shadow: var(--shadow);
  transition: transform 0.12s ease;
}
.menu-card:active { transform: scale(0.97); }

.menu-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  flex: none;
  font-size: 2.2rem;
  background: var(--mc-soft, var(--accent-soft));
  border-radius: 22px;
}
.menu-text { min-width: 0; }
.menu-title { display: block; font-size: 1.3rem; font-weight: 700; margin: 0; }
.menu-desc { display: block; color: var(--ink-soft); font-size: 0.95rem; margin: 3px 0 0; }

.parent-link-row { text-align: center; margin-top: 30px; }
.parent-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  color: var(--ink-soft);
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 16px;
  font-size: 0.95rem;
}

/* ---------- 通用大按钮 ---------- */

.big-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 68px;
  padding: 12px 26px;
  background: var(--card);
  border: 3px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  font-size: 1.2rem;
  font-weight: 700;
  transition: transform 0.12s ease;
}
.big-btn:active { transform: scale(0.95); }
.big-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.big-btn:disabled { opacity: 0.4; pointer-events: none; }

.btn-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 22px;
}

/* ---------- 字母图鉴 ---------- */

.zukan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(104px, 28vw), 1fr));
  gap: 12px;
}

.zukan-cell {
  position: relative;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  background: var(--card);
  border: 3px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  transition: transform 0.12s ease;
}
.zukan-cell:active { transform: scale(0.94); }
.zukan-letter {
  font-family: var(--font-letter);
  font-size: clamp(2rem, 8vw, 2.8rem);
  font-weight: 700;
  line-height: 1.1;
}
.zukan-emoji { font-size: 1.15rem; }
.zukan-cell.is-done { border-color: var(--star); }
.zukan-done-mark { position: absolute; top: 6px; right: 8px; font-size: 1rem; }

/* 图鉴详情（整页覆盖，奶油底不吓人） */

.detail-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  flex-direction: column;
  background: var(--bg);
}
.detail-overlay.open { display: flex; }

.detail-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 2px solid var(--line);
}
.detail-kana-badge {
  font-size: clamp(1.3rem, 4vw, 1.7rem);
  font-weight: 700;
  padding: 8px 22px;
  background: var(--accent-soft);
  border-radius: 999px;
}
.detail-close {
  min-width: 64px;
  min-height: 56px;
  font-size: 1.6rem;
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.detail-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(10px, 3vh, 26px);
  padding: 12px 16px;
  overflow: hidden;
}

.detail-letters {
  display: flex;
  align-items: baseline;
  gap: 0.15em;
  font-family: var(--font-letter);
  font-weight: 700;
  font-size: clamp(6rem, 30vmin, 15rem);
  line-height: 1;
  color: var(--accent);
  border: none;
  background: none;
}
.detail-letters:active { transform: scale(0.97); }
.detail-hint { color: var(--ink-soft); font-size: 1rem; margin: 0; }

.word-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 26px;
  background: var(--card);
  border: 3px solid var(--line);
  border-radius: 26px;
  box-shadow: var(--shadow);
}
.word-card:active { transform: scale(0.97); }
.word-emoji { font-size: clamp(3rem, 10vmin, 4.6rem); line-height: 1; }
.word-texts { text-align: left; }
.word-en {
  font-family: var(--font-letter);
  font-size: clamp(1.6rem, 5vmin, 2.3rem);
  font-weight: 700;
  line-height: 1.15;
}
.word-en .w-head { color: var(--accent); }
.word-kana { font-size: clamp(1rem, 3.4vmin, 1.3rem); font-weight: 700; }
.word-ja { color: var(--ink-soft); font-size: clamp(0.9rem, 3vmin, 1.1rem); }

.detail-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 12px 16px calc(16px + env(safe-area-inset-bottom));
}
.nav-arrow {
  min-width: 96px;
  min-height: 72px;
  font-size: 2rem;
  background: var(--card);
  border: 3px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.nav-arrow:active { transform: scale(0.94); }
.nav-arrow:disabled { opacity: 0.3; }

/* ---------- 游戏通用 ---------- */

.progress-dots {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 10px 0 6px;
}
.progress-dots .dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--card);
  border: 3px solid var(--line);
}
.progress-dots .dot.done { background: var(--star); border-color: var(--star); }
.progress-dots .dot.now { border-color: var(--accent); animation: pulse-ring 1.6s ease-in-out infinite; }

.game-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(14px, 3vh, 26px);
  margin-top: 8px;
}

.speaker-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: clamp(120px, 30vmin, 170px);
  height: clamp(120px, 30vmin, 170px);
  background: var(--card);
  border: 4px solid var(--accent);
  border-radius: 50%;
  box-shadow: var(--shadow);
  font-size: clamp(2.6rem, 9vmin, 3.6rem);
}
.speaker-btn:active { transform: scale(0.94); }
.speaker-label { font-size: 1rem; font-weight: 700; color: var(--ink-soft); }
.speaker-btn.speaking { animation: pulse-ring 1.2s ease-in-out infinite; }

.kana-hint {
  min-height: 2.2rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
}

.choices-grid {
  display: grid;
  gap: clamp(12px, 2.5vw, 22px);
  width: 100%;
  max-width: 720px;
}
.choices-grid.n2 { grid-template-columns: repeat(2, 1fr); }
.choices-grid.n3 { grid-template-columns: repeat(3, 1fr); }
.choices-grid.n4 { grid-template-columns: repeat(2, 1fr); max-width: 520px; }

.choice-card {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--card);
  border: 4px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  font-family: var(--font-letter);
  font-size: clamp(3.4rem, 14vmin, 6.5rem);
  font-weight: 700;
  transition: transform 0.12s ease;
}
.choice-card:active { transform: scale(0.95); }
.choice-card.correct {
  background: var(--good-bg);
  border-color: var(--good-border);
  color: #3E7D46;
}
.choice-card.dimmed { opacity: 0.35; pointer-events: none; }
.choice-card.wrong-shake { animation: wobble 0.45s ease; }

.praise-banner {
  position: fixed;
  left: 0;
  right: 0;
  top: 34%;
  z-index: 90;
  display: none;
  justify-content: center;
  pointer-events: none;
}
.praise-banner.show { display: flex; }
.praise-text {
  font-size: clamp(2.2rem, 8vw, 3.4rem);
  font-weight: 700;
  color: #E8912E;
  background: var(--card);
  padding: 14px 40px;
  border-radius: 999px;
  border: 4px solid var(--star);
  box-shadow: var(--shadow);
  animation: praise-pop 0.5s ease;
}

/* 回合总结 */
.summary-screen {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  margin-top: 8vh;
  text-align: center;
}
.summary-screen.show { display: flex; }
.summary-big { font-size: clamp(2.4rem, 9vw, 3.6rem); font-weight: 700; margin: 0; }
.summary-stars { font-size: clamp(2.2rem, 8vw, 3.2rem); letter-spacing: 0.1em; }
.summary-flower { font-size: clamp(4rem, 16vw, 6.5rem); line-height: 1; animation: pop-in 0.6s ease; }

/* ---------- 大小写配对 ---------- */

.pair-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(12px, 2.5vw, 20px);
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
}

.pair-card {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--card);
  border: 4px solid var(--line);
  border-radius: 26px;
  box-shadow: var(--shadow);
  font-family: var(--font-letter);
  font-size: clamp(2.8rem, 11vmin, 5rem);
  font-weight: 700;
  transition: transform 0.12s ease;
}
.pair-card:active { transform: scale(0.95); }
.pair-card.selected {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: scale(1.05);
}
.pair-card.matched {
  background: var(--good-bg);
  border-color: var(--good-border);
  color: #3E7D46;
  opacity: 0.55;
  pointer-events: none;
}
.pair-card.wrong-shake { animation: wobble 0.45s ease; }

/* ---------- 描字母 ---------- */

.trace-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.trace-canvas-frame {
  position: relative;
  width: min(88vw, 62vh, 520px);
  aspect-ratio: 1;
  background: var(--card);
  border: 4px solid var(--line);
  border-radius: 30px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
#traceCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  touch-action: none;
  cursor: crosshair;
}
.trace-flower {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: clamp(5rem, 24vmin, 9rem);
  background: rgba(255, 255, 255, 0.65);
  pointer-events: none;
}
.trace-flower.show { display: flex; animation: pop-in 0.5s ease; }

.trace-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.tool-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 84px;
  min-height: 72px;
  padding: 8px 14px;
  background: var(--card);
  border: 3px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  font-size: 1.5rem;
  font-weight: 700;
}
.tool-btn:active { transform: scale(0.94); }
.tool-btn .tool-label { font-size: 0.85rem; color: var(--ink-soft); }
.tool-btn.active { border-color: var(--accent); background: var(--accent-soft); }

.trace-letter-row {
  display: flex;
  align-items: center;
  gap: 16px;
}
.trace-current {
  font-family: var(--font-letter);
  font-size: 2.6rem;
  font-weight: 700;
  min-width: 90px;
  text-align: center;
  color: var(--accent);
}

/* ---------- 贴纸册 ---------- */

.sticker-total {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 700;
  margin: 4px 0 18px;
}
.sticker-total .count { color: #E8912E; font-size: 1.7rem; }

.sticker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(112px, 29vw), 1fr));
  gap: 12px;
}
.sticker-cell {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  background: var(--card);
  border: 3px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
}
.sticker-cell:active { transform: scale(0.95); }
.sticker-cell .s-letter {
  font-family: var(--font-letter);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.1;
}
.sticker-cell .s-emoji { font-size: 2.3rem; line-height: 1.1; }
.sticker-cell .s-stars { font-size: 0.85rem; letter-spacing: 0.06em; }
.sticker-cell.locked { background: #F4EEE3; box-shadow: none; }
.sticker-cell.locked .s-letter { color: #C9BFAF; }
.sticker-cell.locked .s-emoji { filter: grayscale(1); opacity: 0.35; }
.sticker-cell.unlocked { border-color: var(--star); }

/* ---------- 家长设置（中文） ---------- */

.settings-section {
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 18px 20px;
  margin-bottom: 18px;
}
.settings-section h2 { font-size: 1.15rem; margin: 0 0 6px; }
.settings-desc { color: var(--ink-soft); font-size: 0.92rem; margin: 0 0 14px; }

.segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.seg-btn {
  min-height: 52px;
  padding: 8px 18px;
  background: var(--bg);
  border: 2px solid var(--line);
  border-radius: 14px;
  font-size: 1.05rem;
  font-weight: 700;
}
.seg-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
}
.toggle-row + .toggle-row { border-top: 1px solid var(--line); }
.toggle-label { font-size: 1.05rem; font-weight: 700; }
.toggle-sub { color: var(--ink-soft); font-size: 0.88rem; }

.switch-btn {
  min-width: 88px;
  min-height: 48px;
  border-radius: 999px;
  border: 2px solid var(--line);
  background: var(--bg);
  font-weight: 700;
  font-size: 1rem;
}
.switch-btn.on { background: var(--c-pair); border-color: var(--c-pair); color: #fff; }

.danger-btn {
  min-height: 52px;
  padding: 10px 22px;
  border: 2px solid #E4A0A0;
  color: #B95454;
  background: #FDF3F3;
  border-radius: 14px;
  font-size: 1rem;
  font-weight: 700;
}

.settings-tip {
  background: var(--c-parent-soft);
  border-radius: 14px;
  padding: 12px 16px;
  font-size: 0.92rem;
  color: #5E6B73;
  line-height: 1.7;
}
.settings-tip ul { margin: 6px 0 0; padding-left: 20px; }

/* ---------- 星星粒子 ---------- */

.star-particle {
  position: fixed;
  z-index: 200;
  font-size: 1.6rem;
  pointer-events: none;
  animation: star-fly 0.9s ease-out forwards;
}

/* ---------- 动画 ---------- */

@keyframes star-fly {
  0%   { transform: translate(-50%, -50%) scale(0.4); opacity: 1; }
  100% { transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) scale(1.25); opacity: 0; }
}
@keyframes wobble {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-8px); }
  50% { transform: translateX(8px); }
  75% { transform: translateX(-5px); }
}
@keyframes pulse-ring {
  0%, 100% { box-shadow: 0 0 0 0 rgba(116, 179, 227, 0.0), var(--shadow); }
  50% { box-shadow: 0 0 0 10px rgba(116, 179, 227, 0.18), var(--shadow); }
}
@keyframes praise-pop {
  0% { transform: scale(0.5); opacity: 0; }
  60% { transform: scale(1.08); opacity: 1; }
  100% { transform: scale(1); }
}
@keyframes pop-in {
  0% { transform: scale(0.4); opacity: 0; }
  65% { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}
@keyframes float-gentle {
  from { transform: translateY(0); }
  to { transform: translateY(-6px); }
}

/* 尊重系统「减少动态效果」 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- 窄屏适配 ---------- */

@media (max-width: 560px) {
  .page { padding: 14px 12px 48px; }
  .header-btn-label { display: none; }
  .choices-grid.n3 { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .pair-grid { gap: 10px; }
  .word-card { padding: 12px 18px; gap: 12px; }
  .menu-card { min-height: 96px; }
}

/* 防止游戏区文字被长按选中 */
.game-stage, .zukan-grid, .pair-grid, .trace-wrap, .detail-overlay, .menu-grid, .sticker-grid {
  user-select: none;
  -webkit-user-select: none;
}