/* ================================================
  小小英语家 v3.19 - 珊瑚乐园设计系统
  UI Design: 热带珊瑚 × 儿童乐园，2026
================================================ */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&family=Fredoka+One&display=swap');

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

:root {
  --coral:    #FF6B47;
  --sky:      #00BCD4;
  --sun:      #FFD93D;
  --mint:     #00C896;
  --lavender: #B088FF;
  --rose:     #FF7BAC;
  --success:  #00C896;
  --warning:  #FFB020;
  --error:    #FF4D6D;
  --white:    #FFFFFF;
  --gray-50:  #FAFBFF;
  --gray-100: #F2F4FF;
  --gray-200: #E8ECFF;
  --gray-300: #D0D5EE;
  --gray-400: #9BA3C9;
  --gray-500: #6B7099;
  --gray-600: #454875;
  --gray-700: #2D2F5E;
  --gray-800: #1A1B3D;
  --gray-900: #0D0E22;
  --grad-coral:    linear-gradient(135deg, #FF6B47 0%, #FF9A5C 100%);
  --grad-sky:      linear-gradient(135deg, #00BCD4 0%, #00E5FF 100%);
  --grad-sun:      linear-gradient(135deg, #FFD93D 0%, #FF9800 100%);
  --grad-mint:     linear-gradient(135deg, #00C896 0%, #00E5C0 100%);
  --grad-lavender: linear-gradient(135deg, #B088FF 0%, #D580FF 100%);
  --grad-rose:     linear-gradient(135deg, #FF7BAC 0%, #FF9EC0 100%);
  --grad-ocean:    linear-gradient(145deg, #0F4C7A 0%, #1B7FB5 50%, #00BCD4 100%);
  --grad-sunset:   linear-gradient(135deg, #FF6B47 0%, #FF9800 50%, #FFD93D 100%);
  --grad-candy:    linear-gradient(135deg, #FF7BAC 0%, #B088FF 100%);
  --grad-forest:   linear-gradient(135deg, #00C896 0%, #00BCD4 100%);
  --shadow-xs:   0 2px 8px rgba(13,14,34,0.08);
  --shadow-sm:   0 4px 16px rgba(13,14,34,0.10);
  --shadow-md:   0 8px 28px rgba(13,14,34,0.13);
  --shadow-lg:   0 16px 48px rgba(13,14,34,0.16);
  --shadow-xl:   0 24px 64px rgba(13,14,34,0.20);
  --shadow-coral: 0 8px 24px rgba(255,107,71,0.35);
  --shadow-sky:   0 8px 24px rgba(0,188,212,0.35);
  --shadow-mint:  0 8px 24px rgba(0,200,150,0.35);
  --shadow-sun:   0 8px 24px rgba(255,217,61,0.40);
  --r-xs: 10px; --r-sm: 14px; --r-md: 20px; --r-lg: 24px; --r-xl: 32px; --r-full: 9999px;
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
  --bg: #F2F4FF;
  --card-bg: #FFFFFF;
  --card-shadow: var(--shadow-sm);
  --card-shadow-hover: var(--shadow-md);
  /* 兼容旧代码 */
  --primary: #FF6B47;
  --secondary: #00BCD4;
  --accent: #FFD93D;
  --purple: #B088FF;
  --green: #00C896;
  --blue: #1B7FB5;
  --orange: #FF9800;
  --pink: #FF7BAC;
  --cyan: #00BCD4;
  --radius: 24px; --radius-sm: 16px; --radius-xs: 12px;
  --icon-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Nunito', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  background: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
  max-width: 480px;
  margin: 0 auto;
  box-shadow: 0 0 60px rgba(13,14,34,0.12);
}
h1,h2,h3,h4 { font-family: 'Nunito', 'PingFang SC', sans-serif; font-weight: 800; }

/* ===== PAGES ===== */
.page { display: none; min-height: 100vh; flex-direction: column; position: relative; z-index: 1; overflow: hidden; }
.page.active { display: flex; z-index: 10; }
.overlay { position: fixed; inset: 0; background: rgba(13,14,34,0.55); z-index: 200; backdrop-filter: blur(6px); }
.hidden { display: none !important; }

/* ===== TOPBAR ===== */
.topbar {
  display: flex; align-items: center;
  padding: 14px 18px;
  background: var(--white);
  box-shadow: 0 2px 16px rgba(13,14,34,0.07);
  position: sticky; top: 0; z-index: 100; gap: 0;
}
.topbar.transparent { background: transparent; box-shadow: none; }
.topbar h2 { flex: 1; text-align: center; font-size: 17px; color: var(--gray-700); font-weight: 800; letter-spacing: 0.3px; }
.topbar h2.white { color: white; }
.back-btn {
  width: 40px; height: 40px; border: none; border-radius: var(--r-sm);
  background: var(--gray-100); cursor: pointer; font-size: 19px;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s var(--ease-spring); flex-shrink: 0; font-weight: bold;
  box-shadow: var(--shadow-xs); color: var(--gray-600);
}
.back-btn:hover { background: var(--coral); color: white; transform: scale(1.08) rotate(-8deg); box-shadow: var(--shadow-coral); }
.back-btn:active { transform: scale(0.92); }
.back-btn.white { background: rgba(255,255,255,0.22); color: white; backdrop-filter: blur(8px); border: 1.5px solid rgba(255,255,255,0.3); }
.back-btn.white:hover { background: rgba(255,255,255,0.38); }
.right-slot { min-width: 40px; flex-shrink: 0; display: flex; justify-content: flex-end; }
.scroll-content { overflow-y: auto; flex: 1; -webkit-overflow-scrolling: touch; }
.scroll-content::-webkit-scrollbar { width: 4px; }
.scroll-content::-webkit-scrollbar-thumb { background: var(--gray-200); border-radius: 2px; }

/* ===== PRIMARY BUTTON ===== */
.primary-btn {
  width: 100%; background: var(--grad-coral);
  color: white; border: none; padding: 17px; border-radius: var(--r-md);
  font-size: 17px; font-weight: 800; cursor: pointer;
  transition: all 0.3s var(--ease-spring);
  box-shadow: var(--shadow-coral); position: relative; overflow: hidden; letter-spacing: 0.5px;
}
.primary-btn::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255,255,255,0.22) 0%, transparent 60%); pointer-events: none; }
.primary-btn:hover { transform: translateY(-3px) scale(1.01); box-shadow: 0 12px 32px rgba(255,107,71,0.45); }
.primary-btn:active { transform: translateY(0) scale(0.98); }

/* ===== SPLASH PAGE ===== */
#page-splash {
  background: var(--grad-ocean);
  align-items: center; justify-content: center; position: relative; overflow: hidden;
}
#page-splash::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 30%, rgba(0,188,212,0.3) 0%, transparent 50%),
              radial-gradient(circle at 80% 70%, rgba(255,107,71,0.2) 0%, transparent 50%);
  pointer-events: none;
}
#page-splash::after { content: ''; position: absolute; width: 300px; height: 300px; background: rgba(255,255,255,0.04); border-radius: 50%; bottom: -80px; right: -80px; }
.splash-bg { text-align: center; padding: 40px 24px; width: 100%; position: relative; z-index: 1; }
.splash-stars { position: relative; height: 60px; margin-bottom: 24px; }
.splash-stars .star { position: absolute; font-size: 22px; animation: starFloat 3s ease-in-out infinite; filter: drop-shadow(0 2px 8px rgba(255,217,61,0.5)); }
.star.s1{left:8%;animation-delay:0s}.star.s2{left:28%;top:-8px;animation-delay:.6s}.star.s3{left:50%;animation-delay:1.2s}.star.s4{left:68%;top:10px;animation-delay:1.8s}.star.s5{left:84%;animation-delay:2.4s}
@keyframes starFloat { 0%,100%{transform:translateY(0) scale(1) rotate(0deg)}50%{transform:translateY(-14px) scale(1.25) rotate(15deg)} }
.splash-logo { font-size: 108px; margin-bottom: 20px; display: block; animation: splashBounce 2.5s ease-in-out infinite; filter: drop-shadow(0 12px 24px rgba(0,0,0,0.25)); }
@keyframes splashBounce { 0%,100%{transform:translateY(0) rotate(0deg)}40%{transform:translateY(-18px) rotate(-5deg)}60%{transform:translateY(-14px) rotate(5deg)} }
.splash-title { font-size: 42px; font-weight: 900; color: white; text-shadow: 0 4px 20px rgba(0,0,0,0.25); margin-bottom: 10px; letter-spacing: 3px; }
.splash-subtitle { font-size: 16px; color: rgba(255,255,255,0.82); margin-bottom: 56px; letter-spacing: 0.5px; }
.loading-bar { width: 220px; height: 10px; background: rgba(255,255,255,0.2); border-radius: var(--r-full); margin: 0 auto 12px; overflow: hidden; border: 1.5px solid rgba(255,255,255,0.15); }
.loading-fill { height: 100%; background: linear-gradient(90deg, var(--sun), var(--coral)); border-radius: var(--r-full); transition: width 0.1s linear; width: 0%; box-shadow: 0 0 12px rgba(255,217,61,0.6); }
.loading-text { color: rgba(255,255,255,0.75); font-size: 13px; font-weight: 600; }

/* ===== PROFILE PAGE ===== */
#page-profile { background: linear-gradient(160deg, #FF6B47 0%, #FF9A5C 40%, #FFD93D 100%); min-height: 100vh; position: relative; overflow: hidden; }
#page-profile::before { content: ''; position: absolute; width: 400px; height: 400px; background: rgba(255,255,255,0.06); border-radius: 50%; top: -150px; right: -120px; pointer-events: none; }
.profile-header { padding: 56px 24px 36px; text-align: center; color: white; position: relative; z-index: 1; }
.profile-header-emoji { font-size: 72px; margin-bottom: 16px; display: block; filter: drop-shadow(0 8px 20px rgba(0,0,0,0.2)); animation: splashBounce 3s ease-in-out infinite; }
.profile-header h1 { font-size: 28px; font-weight: 900; margin-bottom: 8px; text-shadow: 0 2px 12px rgba(0,0,0,0.15); }
.profile-header p { font-size: 14px; opacity: 0.88; font-weight: 600; }
.profile-list { padding: 0 20px; display: flex; flex-direction: column; gap: 12px; margin-bottom: 16px; position: relative; z-index: 1; }
.profile-item {
  background: white; border-radius: var(--r-lg); padding: 16px 20px;
  display: flex; align-items: center; gap: 16px;
  cursor: pointer; box-shadow: var(--shadow-md);
  transition: all 0.3s var(--ease-spring); border: 2.5px solid transparent;
}
.profile-item:hover { border-color: var(--coral); transform: translateY(-3px) scale(1.01); box-shadow: 0 12px 32px rgba(255,107,71,0.22); }
.profile-item:active { transform: scale(0.98); }
.profile-item .pi-avatar { font-size: 42px; filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1)); }
.profile-item .pi-info { flex: 1; }
.profile-item .pi-name { font-size: 17px; font-weight: 800; color: var(--gray-700); margin-bottom: 4px; }
.profile-item .pi-stats { font-size: 12px; color: var(--gray-400); font-weight: 600; }
.profile-item .pi-delete { background: #FFF0F0; border: none; width: 32px; height: 32px; border-radius: 50%; cursor: pointer; font-size: 14px; display: flex; align-items: center; justify-content: center; transition: all 0.2s; color: var(--error); }
.profile-item .pi-delete:hover { background: var(--error); color: white; transform: scale(1.1); }
.add-profile-btn {
  width: 100%; background: rgba(255,255,255,0.22); border: 2px dashed rgba(255,255,255,0.55);
  color: white; padding: 16px; border-radius: var(--r-md); font-size: 16px; font-weight: 800;
  cursor: pointer; transition: all 0.3s; display: flex; align-items: center; justify-content: center; gap: 10px;
  backdrop-filter: blur(4px); letter-spacing: 0.3px;
}
.add-profile-btn:hover { background: rgba(255,255,255,0.35); transform: scale(1.01); }

/* ===== HOME PAGE ===== */
#page-home { background: var(--gray-50); }
.home-header {
  background: var(--grad-ocean);
  padding: 22px 22px 36px; color: white; position: relative; overflow: hidden;
}
.home-header::before { content: ''; position: absolute; width: 260px; height: 260px; background: rgba(255,255,255,0.06); border-radius: 50%; bottom: -120px; right: -80px; pointer-events: none; }
.home-header::after { content: ''; position: absolute; width: 160px; height: 160px; background: rgba(0,188,212,0.15); border-radius: 50%; top: -60px; left: -40px; pointer-events: none; }
.home-header-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; position: relative; z-index: 1; }
.switch-user-btn { display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.18); border: 1.5px solid rgba(255,255,255,0.28); border-radius: var(--r-full); padding: 8px 16px; color: white; cursor: pointer; font-size: 14px; font-weight: 700; transition: all 0.25s; backdrop-filter: blur(4px); }
.switch-user-btn:hover { background: rgba(255,255,255,0.30); }
.switch-icon { font-size: 10px; opacity: 0.7; margin-left: 2px; }
.settings-btn { background: rgba(255,255,255,0.18); border: 1.5px solid rgba(255,255,255,0.28); border-radius: 50%; width: 40px; height: 40px; font-size: 17px; cursor: pointer; color: white; display: flex; align-items: center; justify-content: center; transition: all 0.25s; backdrop-filter: blur(4px); }
.settings-btn:hover { background: rgba(255,255,255,0.30); transform: rotate(30deg); }
.home-greeting { font-size: 23px; font-weight: 900; margin-bottom: 12px; position: relative; z-index: 1; text-shadow: 0 2px 10px rgba(0,0,0,0.15); }
.home-stats-row { display: flex; gap: 10px; position: relative; z-index: 1; flex-wrap: wrap; }
.home-streak, .home-points, .home-grade { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; padding: 7px 14px; border-radius: var(--r-full); backdrop-filter: blur(8px); }
.home-streak { background: rgba(255,255,255,0.18); border: 1.5px solid rgba(255,255,255,0.25); }
.home-points { background: linear-gradient(135deg, rgba(255,217,61,0.85), rgba(255,152,0,0.85)); box-shadow: 0 4px 16px rgba(255,152,0,0.4); border: 1.5px solid rgba(255,255,255,0.25); }
.home-grade { background: linear-gradient(135deg, rgba(0,188,212,0.85), rgba(0,150,212,0.85)); box-shadow: 0 4px 16px rgba(0,188,212,0.3); border: 1.5px solid rgba(255,255,255,0.25); cursor: pointer; }
.home-grade:active { transform: scale(0.96); }
/* 兼容旧代码用到的 .home-streak/.home-points 直接文字显示 */
.home-streak::before { content: none; }
.home-points::before { content: none; }

/* ===== TODAY TASK CARD ===== */
.daily-task-card {
  margin: -20px 18px 0; background: white;
  border-radius: var(--r-xl); padding: 18px 22px;
  box-shadow: var(--shadow-lg); cursor: pointer;
  display: flex; align-items: center; gap: 16px;
  transition: all 0.35s var(--ease-spring);
  position: relative; z-index: 10; border: 2.5px solid transparent; overflow: hidden;
}
.daily-task-card::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: var(--grad-coral); border-radius: 2.5px 0 0 2.5px; }
.daily-task-card:hover { transform: translateY(-5px) scale(1.01); box-shadow: 0 20px 48px rgba(255,107,71,0.18); border-color: rgba(255,107,71,0.15); }
.daily-task-card:active { transform: translateY(-2px) scale(0.99); }
.dt-left { display: flex; align-items: center; gap: 14px; flex: 1; }
.dt-icon { font-size: 42px; filter: drop-shadow(0 4px 12px rgba(255,107,71,0.3)); animation: iconBob 2.5s ease-in-out infinite; }
@keyframes iconBob { 0%,100%{transform:scale(1) rotate(0deg)}30%{transform:scale(1.1) rotate(-6deg)}60%{transform:scale(1.05) rotate(4deg)} }
.dt-title { font-size: 12px; color: var(--gray-400); margin-bottom: 6px; font-weight: 700; letter-spacing: 0.8px; text-transform: uppercase; }
.dt-items { display: flex; flex-direction: column; gap: 5px; }
.dt-item { font-size: 13px; font-weight: 700; color: var(--gray-600); }
.dt-item.done { color: var(--mint); }
.dt-right { display: flex; align-items: center; justify-content: center; }
.dt-status-icon { font-size: 30px; animation: pulseIcon 2s ease-in-out infinite; }
.dt-status-icon.complete { animation: none; transform: scale(1.2); }
@keyframes pulseIcon { 0%,100%{transform:scale(1)}50%{transform:scale(1.12)} }
@keyframes pulse { 0%,100%{transform:scale(1)}50%{transform:scale(1.08)} }
@keyframes iconPulse { 0%,100%{transform:scale(1)}50%{transform:scale(1.08)} }

/* ===== HOME MENU ===== */
.home-menu { padding: 22px 18px 0; display: flex; flex-direction: column; gap: 14px; }
.menu-row { display: flex; gap: 14px; }
.menu-item {
  flex: 1; background: white; border-radius: var(--r-lg); padding: 22px 12px;
  box-shadow: var(--shadow-sm); cursor: pointer;
  transition: all 0.32s var(--ease-spring); text-align: center;
  border: 2px solid transparent; position: relative; overflow: hidden;
}
.menu-item::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 5px; border-radius: 2.5px; }
.menu-item::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.5) 100%); opacity: 0; transition: opacity 0.3s; pointer-events: none; }
.menu-item:hover::after { opacity: 1; }
.menu-learn::before  { background: var(--grad-ocean); }
.menu-phonics::before { background: var(--grad-candy); }
.menu-game::before   { background: var(--grad-coral); }
.menu-review::before { background: var(--grad-forest); }
.menu-errorbook::before { background: var(--grad-sun); }
.menu-report::before { background: var(--grad-lavender); }
.menu-store::before  { background: var(--grad-sun); }
.menu-badge::before  { background: var(--grad-rose); }
.menu-phrases::before { background: linear-gradient(135deg, #00BCD4 0%, #B088FF 100%); }
.menu-sentences::before { background: linear-gradient(135deg, #00C896 0%, #43E97B 100%); }
.menu-item:hover { transform: translateY(-7px) scale(1.02); box-shadow: var(--shadow-md); }
.menu-learn:hover   { border-color: rgba(0,188,212,0.25); }
.menu-phonics:hover { border-color: rgba(255,123,172,0.25); }
.menu-game:hover    { border-color: rgba(255,107,71,0.25); }
.menu-review:hover  { border-color: rgba(0,200,150,0.25); }
.menu-errorbook:hover { border-color: rgba(255,217,61,0.35); }
.menu-report:hover  { border-color: rgba(176,136,255,0.25); }
.menu-store:hover   { border-color: rgba(255,152,0,0.3); }
.menu-badge:hover   { border-color: rgba(255,123,172,0.25); }
.menu-item:active { transform: translateY(-3px) scale(0.97); }
.menu-icon { font-size: 40px; margin-bottom: 10px; display: inline-block; filter: drop-shadow(var(--icon-shadow)); transition: transform 0.35s var(--ease-spring); }
.menu-item:hover .menu-icon { transform: scale(1.18) rotate(-8deg); }
.menu-name { font-size: 14px; font-weight: 800; color: var(--gray-700); margin-bottom: 4px; }
.menu-desc { font-size: 10px; color: var(--gray-400); font-weight: 600; }

/* ===== BADGE PREVIEW ===== */
.badge-preview-section { padding: 22px 18px 36px; }
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; font-size: 15px; font-weight: 800; color: var(--gray-700); }
.section-header button { background: none; border: none; color: var(--coral); font-size: 13px; cursor: pointer; font-weight: 700; transition: opacity 0.2s; }
.section-header button:hover { opacity: 0.7; }
.badge-preview-list { display: flex; gap: 12px; overflow-x: auto; padding-bottom: 4px; }
.badge-preview-list::-webkit-scrollbar { height: 3px; }
.badge-preview-list::-webkit-scrollbar-thumb { background: var(--gray-200); border-radius: 2px; }
.no-badge-hint { font-size: 13px; color: var(--gray-400); padding: 18px 0; font-weight: 600; }
.badge-chip { background: white; border-radius: var(--r-md); padding: 12px 14px; text-align: center; flex-shrink: 0; box-shadow: var(--shadow-sm); min-width: 76px; transition: transform 0.25s var(--ease-spring); }
.badge-chip:hover { transform: scale(1.06) translateY(-3px); }
.badge-chip .bc-emoji { font-size: 30px; margin-bottom: 4px; }
.badge-chip .bc-name { font-size: 10px; color: var(--gray-500); font-weight: 700; }

/* ===== LEVEL PAGE ===== */
#page-level { background: var(--gray-50); }
.level-header {
  background: linear-gradient(145deg, #FF6B47 0%, #FF7BAC 60%, #B088FF 100%);
  padding: 0 0 40px; text-align: center; position: relative; overflow: hidden;
}
.level-header::before { content: ''; position: absolute; width: 250px; height: 250px; background: rgba(255,255,255,0.07); border-radius: 50%; top: -80px; right: -80px; pointer-events: none; }
.level-header-deco { font-size: 60px; margin: 18px 0 10px; filter: drop-shadow(0 8px 16px rgba(0,0,0,0.2)); }
.level-header h1 { font-size: 26px; color: white; font-weight: 900; margin-bottom: 4px; }
.level-header p { color: rgba(255,255,255,0.88); font-size: 15px; font-weight: 600; }
.level-cards { padding: 22px 18px 40px; margin-top: -20px; display: flex; flex-direction: column; gap: 24px; }
.level-section-title { font-size: 16px; font-weight: 800; color: var(--gray-700); margin-bottom: 14px; padding-left: 4px; display: flex; align-items: center; gap: 8px; }
.level-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.level-card {
  background: white; border-radius: var(--r-lg); padding: 20px 10px;
  text-align: center; cursor: pointer; box-shadow: var(--shadow-sm);
  transition: all 0.32s var(--ease-spring); border: 2.5px solid transparent; position: relative; overflow: hidden;
}
.level-card:hover { transform: translateY(-7px) scale(1.06); box-shadow: var(--shadow-md); }
.level-card:active { transform: translateY(-3px) scale(0.97); }
.level-card .card-emoji { font-size: 36px; margin-bottom: 10px; filter: drop-shadow(0 4px 10px rgba(0,0,0,0.12)); transition: transform 0.35s var(--ease-spring); display: block; }
.level-card:hover .card-emoji { transform: scale(1.2) rotate(-10deg); }
.level-card .card-name { font-size: 13px; font-weight: 800; color: var(--gray-700); margin-bottom: 3px; }
.level-card .card-en { font-size: 10px; color: var(--gray-400); font-weight: 600; }
.level-card.kg1 { border-color: #00C896; } .level-card.kg1:hover { box-shadow: 0 12px 32px rgba(0,200,150,0.25); }
.level-card.kg2 { border-color: #00BCD4; } .level-card.kg2:hover { box-shadow: 0 12px 32px rgba(0,188,212,0.25); }
.level-card.kg3 { border-color: #FFD93D; } .level-card.kg3:hover { box-shadow: 0 12px 32px rgba(255,152,0,0.25); }
.level-card.ps1,.level-card.ps2,.level-card.ps3,.level-card.ps4,.level-card.ps5,.level-card.ps6 { border-color: #B088FF; }
.level-card.ps1:hover,.level-card.ps2:hover,.level-card.ps3:hover,.level-card.ps4:hover,.level-card.ps5:hover,.level-card.ps6:hover { box-shadow: 0 12px 32px rgba(176,136,255,0.28); }
.level-card.ms1,.level-card.ms2,.level-card.ms3 { border-color: #FF6B47; }
.level-card.ms1:hover,.level-card.ms2:hover,.level-card.ms3:hover { box-shadow: 0 12px 32px rgba(255,107,71,0.28); }
.progress-mini { position: absolute; bottom: 0; left: 0; right: 0; height: 5px; background: var(--gray-100); }
.progress-mini-bar { height: 100%; border-radius: 0 0 2.5px 2.5px; background: linear-gradient(90deg, var(--mint), var(--sky)); transition: width 0.6s var(--ease-out); }

/* ===== CATEGORY PAGE ===== */
.cat-header { background: linear-gradient(145deg, #00BCD4 0%, #0F4C7A 100%); padding-bottom: 28px; text-align: center; position: relative; overflow: hidden; }
.cat-header::before { content: ''; position: absolute; width: 200px; height: 200px; background: rgba(255,255,255,0.06); border-radius: 50%; bottom: -60px; left: -60px; pointer-events: none; }
.cat-header h1 { font-size: 21px; color: white; font-weight: 900; margin-bottom: 14px; }
.level-badge { display: inline-block; background: rgba(255,255,255,0.22); color: white; padding: 5px 18px; border-radius: var(--r-full); font-size: 13px; margin-bottom: 10px; font-weight: 700; backdrop-filter: blur(4px); border: 1px solid rgba(255,255,255,0.25); }
.overall-progress { margin: 0 24px; background: rgba(255,255,255,0.2); border-radius: var(--r-full); height: 10px; overflow: hidden; }
.overall-progress-bar { height: 100%; background: linear-gradient(90deg, var(--sun), var(--coral)); border-radius: var(--r-full); transition: width 0.8s var(--ease-out); }
.progress-text { color: rgba(255,255,255,0.9); font-size: 12px; margin-top: 7px; font-weight: 600; }
.cat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; padding: 20px 18px; }
.cat-card {
  background: white; border-radius: var(--r-xl); padding: 26px 16px;
  text-align: center; cursor: pointer; box-shadow: var(--shadow-sm);
  transition: all 0.32s var(--ease-spring); position: relative; overflow: hidden; border: 2px solid transparent;
}
.cat-card:hover { transform: translateY(-7px) scale(1.03); box-shadow: var(--shadow-md); }
.cat-card:active { transform: translateY(-3px) scale(0.97); }
.cat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 6px; }
.cat-card.numbers::before  { background: linear-gradient(90deg,#FF6B47,#FFD93D); }
.cat-card.fruits::before   { background: linear-gradient(90deg,#00C896,#00BCD4); }
.cat-card.animals::before  { background: linear-gradient(90deg,#B088FF,#00BCD4); }
.cat-card.colors::before   { background: linear-gradient(90deg,#FF9800,#FF6B47); }
.cat-card.body::before     { background: linear-gradient(90deg,#00BCD4,#B088FF); }
.cat-card.food::before     { background: linear-gradient(90deg,#FFD93D,#00C896); }
.cat-card.clothes::before  { background: linear-gradient(90deg,#00BCD4,#00E5FF); }
.cat-card.weather::before  { background: linear-gradient(90deg,#60A5FA,#B088FF); }
.cat-card.school::before   { background: linear-gradient(90deg,#FF7BAC,#B088FF); }
.cat-card.family::before   { background: linear-gradient(90deg,#FF7BAC,#FFD93D); }
.cat-card.transport::before { background: linear-gradient(90deg,#00C896,#00BCD4); }
.cat-card.sports::before   { background: linear-gradient(90deg,#00BCD4,#B088FF); }
.cat-card.nature::before   { background: linear-gradient(90deg,#00C896,#FFD93D); }
.cat-card .cat-emoji { font-size: 50px; margin-bottom: 12px; filter: drop-shadow(0 4px 10px rgba(0,0,0,0.1)); transition: transform 0.35s var(--ease-spring); display: block; }
.cat-card:hover .cat-emoji { transform: scale(1.18) rotate(-6deg); }
.cat-card .cat-name { font-size: 17px; font-weight: 800; color: var(--gray-700); margin-bottom: 3px; }
.cat-card .cat-en { font-size: 12px; color: var(--gray-400); margin-bottom: 12px; font-weight: 600; }
.cat-card .cat-progress-wrap { background: var(--gray-100); border-radius: var(--r-full); height: 7px; overflow: hidden; }
.cat-card .cat-progress-bar { height: 100%; border-radius: var(--r-full); transition: width 0.8s var(--ease-out); }
.cat-card .cat-progress-text { font-size: 11px; color: var(--gray-400); margin-top: 5px; font-weight: 600; }
.cat-card .completed-badge { position: absolute; top: 14px; right: 12px; background: var(--mint); color: white; font-size: 10px; padding: 3px 9px; border-radius: var(--r-full); font-weight: 700; }

/* ===== COURSE PAGE ===== */
.course-header { background: linear-gradient(145deg, #FF7BAC 0%, #FF6B47 100%); padding: 0 0 28px; text-align: center; position: relative; overflow: hidden; }
.course-header::before { content: ''; position: absolute; width: 180px; height: 180px; background: rgba(255,255,255,0.08); border-radius: 50%; top: -50px; left: -50px; }
.cat-emoji-big { font-size: 60px; margin-bottom: 4px; filter: drop-shadow(0 8px 20px rgba(0,0,0,0.2)); }
.cat-title { font-size: 21px; font-weight: 900; color: white; }
.course-list { padding: 18px; display: flex; flex-direction: column; gap: 13px; }
.course-card {
  background: white; border-radius: var(--r-lg); padding: 18px 20px;
  display: flex; align-items: center; gap: 16px;
  cursor: pointer; box-shadow: var(--shadow-sm);
  transition: all 0.3s var(--ease-spring); border: 2px solid transparent;
}
.course-card:hover { transform: translateX(8px) scale(1.015); box-shadow: var(--shadow-md); border-color: rgba(255,107,71,0.18); }
.course-card:active { transform: translateX(4px) scale(0.98); }
.course-num { width: 52px; height: 52px; border-radius: var(--r-md); display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 900; color: white; flex-shrink: 0; box-shadow: 0 4px 14px rgba(0,0,0,0.18); transition: transform 0.32s var(--ease-spring); }
.course-card:hover .course-num { transform: scale(1.1) rotate(-6deg); }
.course-info { flex: 1; }
.course-title { font-size: 15px; font-weight: 800; color: var(--gray-700); margin-bottom: 3px; }
.course-desc { font-size: 12px; color: var(--gray-500); margin-bottom: 7px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 200px; }
.course-progress-wrap { background: var(--gray-100); border-radius: var(--r-full); height: 5px; overflow: hidden; }
.course-progress-bar { height: 100%; border-radius: var(--r-full); transition: width 0.5s; }
.course-stars { font-size: 12px; margin-top: 5px; }
.course-status { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 17px; flex-shrink: 0; }

/* ===== STUDY / FLASHCARD PAGE ===== */
#page-study { background: linear-gradient(160deg, #0F4C7A 0%, #1B7FB5 50%, #00BCD4 100%); }
.study-topbar { display: flex; align-items: center; padding: 14px 18px; color: white; gap: 0; }
.study-topbar h2 { flex: 1; text-align: center; color: white; font-size: 16px; font-weight: 800; }
.study-help-btn { background: rgba(255,255,255,0.18); border: 1.5px solid rgba(255,255,255,0.25); border-radius: var(--r-full); color: white; padding: 7px 14px; font-size: 12px; font-weight: 700; cursor: pointer; transition: all 0.2s; white-space: nowrap; backdrop-filter: blur(4px); }
.study-help-btn:hover { background: rgba(255,255,255,0.30); }
.study-progress-bar-wrap { padding: 0 20px 16px; display: flex; gap: 6px; }
.study-progress-dot { flex: 1; height: 6px; border-radius: 3px; background: rgba(255,255,255,0.22); transition: background 0.3s; }
.study-progress-dot.done { background: rgba(255,255,255,0.65); }
.study-progress-dot.active { background: var(--sun); }
.flashcard-container { flex: 1; display: flex; align-items: center; justify-content: center; padding: 14px 20px; perspective: 1000px; }
.flashcard {
  width: 100%; max-width: 360px;
  background: white; border-radius: var(--r-xl); padding: 28px 24px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.28); text-align: center;
  animation: cardIn 0.45s var(--ease-spring); position: relative; overflow: hidden;
}
.flashcard::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 6px; background: linear-gradient(90deg, var(--coral), var(--sky)); border-radius: 2px 2px 0 0; }
@keyframes cardIn { from{transform:scale(0.88) translateY(24px) rotate(-2deg);opacity:0} to{transform:scale(1) translateY(0) rotate(0deg);opacity:1} }
@keyframes cardSlideLeft { from{transform:translateX(0) rotate(0deg);opacity:1} to{transform:translateX(-80%) rotate(-12deg);opacity:0} }
@keyframes cardSlideRight { from{transform:translateX(0) rotate(0deg);opacity:1} to{transform:translateX(80%) rotate(12deg);opacity:0} }
@keyframes cardInFromRight { from{transform:scale(0.92) translateX(60%);opacity:0} to{transform:scale(1) translateX(0);opacity:1} }
@keyframes cardInFromLeft { from{transform:scale(0.92) translateX(-60%);opacity:0} to{transform:scale(1) translateX(0);opacity:1} }
.flashcard.swiping-left { animation: cardSlideLeft 0.22s ease forwards; pointer-events: none; }
.flashcard.swiping-right { animation: cardSlideRight 0.22s ease forwards; pointer-events: none; }
.flashcard.anim-in-right { animation: cardInFromRight 0.38s var(--ease-spring) forwards; }
.flashcard.anim-in-left { animation: cardInFromLeft 0.38s var(--ease-spring) forwards; }
.card-image { font-size: 96px; line-height: 1.1; margin-bottom: 16px; filter: drop-shadow(0 10px 20px rgba(0,0,0,0.12)); animation: emojiFloat 3.5s ease-in-out infinite; display: block; }
@keyframes emojiFloat { 0%,100%{transform:translateY(0) rotate(0deg)}40%{transform:translateY(-10px) rotate(4deg)}70%{transform:translateY(-6px) rotate(-3deg)} }
.card-chinese { font-size: 26px; font-weight: 900; color: var(--gray-700); margin-bottom: 6px; }
.card-english { font-size: 36px; font-weight: 900; color: var(--coral); margin-bottom: 6px; letter-spacing: 2px; }
.card-phonetic { font-size: 15px; color: var(--gray-400); margin-bottom: 18px; font-weight: 600; }
.speak-controls { display: flex; align-items: center; justify-content: center; gap: 10px; margin-bottom: 14px; }
.speak-btn { background: var(--grad-coral); color: white; border: none; padding: 11px 20px; border-radius: var(--r-full); font-size: 14px; cursor: pointer; transition: all 0.3s var(--ease-spring); display: flex; align-items: center; gap: 6px; font-weight: 700; box-shadow: var(--shadow-coral); }
.speak-btn.slow-btn { background: var(--grad-forest); box-shadow: var(--shadow-mint); }
.speak-btn:hover { transform: scale(1.07); }
.speak-btn.speaking { animation: speakPulse 0.5s infinite; }
@keyframes speakPulse { 0%,100%{transform:scale(1)}50%{transform:scale(1.09)} }
.speed-control { display: flex; align-items: center; gap: 8px; background: var(--gray-100); border-radius: var(--r-sm); padding: 8px 14px; font-size: 12px; color: var(--gray-500); justify-content: center; font-weight: 600; }
.speed-btn { background: white; border: 1.5px solid var(--gray-200); border-radius: var(--r-xs); padding: 4px 10px; cursor: pointer; font-size: 12px; font-weight: 700; transition: all 0.2s; color: var(--gray-600); }
.speed-btn.active { background: var(--coral); color: white; border-color: var(--coral); }
.quiz-hint { text-align: center; color: rgba(255,255,255,0.72); font-size: 13px; padding-bottom: 10px; font-weight: 600; }
.study-nav { display: flex; gap: 12px; padding: 0 20px 28px; justify-content: center; }
.nav-btn { flex: 1; max-width: 160px; padding: 15px; border: none; border-radius: var(--r-md); font-size: 15px; font-weight: 800; cursor: pointer; transition: all 0.3s var(--ease-spring); }
.nav-btn.prev { background: rgba(255,255,255,0.18); color: white; border: 1.5px solid rgba(255,255,255,0.28); }
.nav-btn.next { background: white; color: var(--coral); box-shadow: var(--shadow-sm); }
.nav-btn:hover { transform: scale(1.04); }
.nav-btn:disabled { opacity: 0.38; cursor: not-allowed; transform: none; }

/* ===== 跟读评分 ===== */
.record-btn { background: var(--grad-purple) !important; box-shadow: 0 4px 14px rgba(128,90,213,0.35) !important; }
.record-btn.recording { animation: recordPulse 1s infinite; background: #EF4444 !important; }
.record-btn:disabled { opacity: 0.5; cursor: not-allowed; }
@keyframes recordPulse { 0%,100%{transform:scale(1);box-shadow:0 0 0 0 rgba(239,68,68,0.4)}50%{transform:scale(1.05);box-shadow:0 0 0 12px rgba(239,68,68,0)} }
.record-score { display: flex; flex-direction: column; align-items: center; gap: 14px; margin-top: 10px; padding: 20px; background: rgba(255,255,255,0.06); border-radius: var(--r-xl); }
.record-circle { font-size: 52px; animation: micBounce 1s ease-in-out infinite; }
.record-circle.listening { animation: micPulse 0.6s ease-in-out infinite; }
.record-circle.good { animation: scoreGreat 0.5s ease-out; }
.record-circle.ok { animation: scoreOk 0.5s ease-out; }
.record-circle.bad { animation: scoreBad 0.5s ease-out; }
@keyframes micBounce { 0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)} }
@keyframes micPulse { 0%,100%{transform:scale(1)}50%{transform:scale(1.15)} }
@keyframes scoreGreat { 0%{transform:scale(0.5);opacity:0}50%{transform:scale(1.3)}100%{transform:scale(1);opacity:1} }
@keyframes scoreOk { 0%{transform:scale(0.8);opacity:0}100%{transform:scale(1);opacity:1} }
@keyframes scoreBad { 0%,10%,20%{transform:translateX(-5px)}5%,15%,25%{transform:translateX(5px)}30%{transform:translateX(0)}100%{transform:scale(1);opacity:1} }
.score-display { font-size: 28px; font-weight: 900; padding: 10px 28px; border-radius: var(--r-full); }
.score-display.great { background: linear-gradient(135deg,#10B981,#34D399); color: white; }
.score-display.ok { background: linear-gradient(135deg,#F59E0B,#FBBF24); color: white; }
.score-display.bad { background: linear-gradient(135deg,#6B7280,#9CA3AF); color: white; }

/* ===== QUIZ PAGE ===== */
#page-quiz { background: var(--gray-50); }
.quiz-header { background: linear-gradient(135deg, #00C896 0%, #00BCD4 100%); padding: 20px 22px 22px; text-align: center; position: relative; overflow: hidden; }
.quiz-header::before { content: ''; position: absolute; width: 180px; height: 180px; background: rgba(255,255,255,0.07); border-radius: 50%; bottom: -70px; right: -60px; }
.quiz-header h2 { color: white; font-size: 19px; font-weight: 900; margin-bottom: 4px; }
.quiz-count { color: rgba(255,255,255,0.84); font-size: 13px; margin-bottom: 10px; font-weight: 600; }
.quiz-bar-wrap { background: rgba(255,255,255,0.25); border-radius: var(--r-full); height: 9px; margin-bottom: 9px; overflow: hidden; }
.quiz-bar { height: 100%; background: white; border-radius: var(--r-full); transition: width 0.4s var(--ease-out); box-shadow: 0 0 8px rgba(255,255,255,0.6); }
.quiz-score-live { display: flex; align-items: center; justify-content: center; gap: 5px; color: white; font-size: 15px; font-weight: 700; }
.quiz-body { padding: 18px; flex: 1; }
.quiz-question { background: white; border-radius: var(--r-xl); padding: 24px 20px; box-shadow: var(--shadow-sm); margin-bottom: 18px; text-align: center; }
.q-type-badge { display: inline-block; background: var(--gray-100); color: var(--gray-500); font-size: 11px; padding: 4px 12px; border-radius: var(--r-full); margin-bottom: 12px; font-weight: 700; letter-spacing: 0.5px; }
.q-emoji { font-size: 64px; margin-bottom: 10px; filter: drop-shadow(0 6px 14px rgba(0,0,0,0.1)); }
.q-text { font-size: 18px; font-weight: 900; color: var(--gray-700); margin-bottom: 6px; }
.q-sub { font-size: 13px; color: var(--gray-400); font-weight: 600; }
.listen-q-btn { background: var(--grad-ocean); color: white; border: none; border-radius: 50%; width: 80px; height: 80px; font-size: 32px; cursor: pointer; transition: all 0.3s var(--ease-spring); margin: 8px auto 4px; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 20px rgba(0,75,120,0.4); }
.listen-q-btn:hover { transform: scale(1.12); }
.listen-q-btn.playing { animation: ripplePlay 1s infinite; }
@keyframes ripplePlay { 0%,100%{box-shadow:0 6px 20px rgba(0,75,120,0.4)}50%{box-shadow:0 6px 40px rgba(0,188,212,0.7)} }
.quiz-choices { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 14px; }
.quiz-choices.single-col { grid-template-columns: 1fr; }
.choice-btn { background: white; border: 2.5px solid var(--gray-200); border-radius: var(--r-lg); padding: 18px 12px; font-size: 17px; font-weight: 800; cursor: pointer; transition: all 0.3s var(--ease-spring); text-align: center; color: var(--gray-700); line-height: 1.4; box-shadow: var(--shadow-xs); }
.choice-btn:hover:not(:disabled) { border-color: var(--coral); color: var(--coral); transform: translateY(-4px) scale(1.02); box-shadow: 0 10px 24px rgba(255,107,71,0.2); }
.choice-btn:active:not(:disabled) { transform: translateY(-1px) scale(0.97); }
.choice-btn.correct { background: linear-gradient(135deg, #d1fae5, #a7f3d0); border-color: var(--mint); color: #065f46; animation: correctPulse 0.5s var(--ease-spring); }
.choice-btn.wrong { background: linear-gradient(135deg, #fee2e2, #fecaca); border-color: var(--error); color: #991b1b; animation: wrongShake 0.5s; }
@keyframes correctPulse { 0%,100%{transform:scale(1)}50%{transform:scale(1.06)} }
@keyframes wrongShake { 0%,100%{transform:translateX(0)}20%{transform:translateX(-9px)}40%{transform:translateX(9px)}60%{transform:translateX(-7px)}80%{transform:translateX(7px)} }
.choice-btn:disabled { cursor: default; }
.fill-wrap { display: flex; flex-direction: column; gap: 12px; align-items: center; margin-bottom: 14px; }
.fill-input { width: 100%; border: 2.5px solid var(--gray-200); border-radius: var(--r-md); padding: 14px 20px; font-size: 22px; font-weight: 800; text-align: center; outline: none; transition: border-color 0.3s; color: var(--gray-700); letter-spacing: 3px; }
.fill-input:focus { border-color: var(--coral); box-shadow: 0 0 0 4px rgba(255,107,71,0.08); }
.fill-input.correct { border-color: var(--mint); background: #d1fae5; }
.fill-input.wrong { border-color: var(--error); background: #fee2e2; }
.keyboard-hint { display: flex; flex-wrap: wrap; gap: 5px; justify-content: center; }
.key-hint { background: white; border: 1.5px solid var(--gray-200); border-radius: var(--r-xs); padding: 5px 9px; font-size: 13px; font-weight: 700; cursor: pointer; transition: all 0.15s; color: var(--gray-500); }
.key-hint:hover { background: var(--coral); color: white; border-color: var(--coral); }
.quiz-feedback { text-align: center; padding: 12px; font-size: 15px; font-weight: 700; border-radius: var(--r-sm); margin-bottom: 10px; display: none; }
.quiz-feedback.show { display: block; }
.quiz-feedback.correct { background: #d1fae5; color: #065f46; }
.quiz-feedback.wrong { background: #fee2e2; color: #991b1b; }
.submit-quiz-btn { width: 100%; background: var(--grad-coral); color: white; border: none; padding: 16px; border-radius: var(--r-md); font-size: 16px; font-weight: 800; cursor: pointer; transition: all 0.3s var(--ease-spring); margin-bottom: 8px; box-shadow: var(--shadow-coral); }
.submit-quiz-btn:hover:not(:disabled) { transform: scale(1.02); }
.submit-quiz-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.next-quiz-btn { width: 100%; background: linear-gradient(135deg, #FF7BAC, #B088FF); color: white; border: none; padding: 16px; border-radius: var(--r-md); font-size: 16px; font-weight: 800; cursor: pointer; transition: all 0.3s var(--ease-spring); display: none; box-shadow: 0 6px 20px rgba(176,136,255,0.35); }
.next-quiz-btn.show { display: block; }
.next-quiz-btn:hover { transform: scale(1.02); }
.drag-quiz-area { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: 12px 0; padding: 16px; background: var(--gray-100); border-radius: var(--r-md); min-height: 60px; }
.drag-word { background: white; border: 2px solid var(--gray-200); border-radius: var(--r-xs); padding: 8px 14px; font-size: 15px; font-weight: 700; cursor: grab; transition: all 0.2s; color: var(--gray-700); box-shadow: var(--shadow-xs); }
.drag-word:hover { border-color: var(--coral); background: #FFF8F6; }
.drag-word.dragging { opacity: 0.4; }
.drop-zone { border: 2px dashed var(--gray-300); border-radius: var(--r-xs); padding: 8px 14px; font-size: 15px; min-width: 80px; text-align: center; color: var(--gray-400); display: inline-block; }
.drop-zone.filled { border-color: var(--coral); background: #FFF8F6; color: var(--gray-700); font-weight: 700; }

/* ===== RESULT PAGE ===== */
#page-result { background: linear-gradient(145deg, #FF6B47 0%, #FF7BAC 60%, #B088FF 100%); align-items: center; justify-content: flex-start; padding: 0; overflow-y: auto; position: relative; }
#page-result::before { content: ''; position: absolute; width: 300px; height: 300px; background: rgba(255,255,255,0.06); border-radius: 50%; top: -80px; right: -80px; pointer-events: none; }
.result-bg { width: 100%; min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: flex-start; padding: 44px 22px; position: relative; z-index: 1; }
.result-emoji { font-size: 84px; margin-bottom: 14px; filter: drop-shadow(0 12px 28px rgba(0,0,0,0.2)); animation: resultBounce 1.6s ease-in-out infinite; }
@keyframes resultBounce { 0%,100%{transform:translateY(0) rotate(0deg)}40%{transform:translateY(-16px) rotate(-5deg)}60%{transform:translateY(-10px) rotate(4deg)} }
@keyframes bounce { 0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)} }
.result-title { font-size: 32px; font-weight: 900; color: white; margin-bottom: 6px; text-shadow: 0 2px 12px rgba(0,0,0,0.15); }
.result-subtitle { font-size: 15px; color: rgba(255,255,255,0.84); margin-bottom: 28px; font-weight: 600; }
.stars-display { display: flex; gap: 10px; justify-content: center; margin-bottom: 22px; }
.star-icon { font-size: 54px; transition: transform 0.3s; opacity: 0.25; filter: drop-shadow(0 4px 10px rgba(0,0,0,0.15)); }
.star-icon.lit { opacity: 1; animation: starPop 0.6s var(--ease-spring) forwards; filter: drop-shadow(0 0 20px rgba(255, 217, 61, 0.85)); }
@keyframes starPop { 0%{transform:scale(0) rotate(-180deg);opacity:0}50%{transform:scale(1.35) rotate(12deg)}100%{transform:scale(1) rotate(0deg);opacity:1} }
.score-circle { width: 116px; height: 116px; background: white; border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; margin: 0 auto 28px; box-shadow: 0 10px 36px rgba(0,0,0,0.2); border: 5px solid rgba(255,255,255,0.35); }
.score-num { font-size: 36px; font-weight: 900; color: var(--coral); }
.score-label { font-size: 11px; color: var(--gray-400); }
.result-stats { display: flex; gap: 12px; margin-bottom: 24px; width: 100%; }
.stat-card { flex: 1; background: rgba(255,255,255,0.18); border-radius: var(--r-md); padding: 14px; color: white; text-align: center; backdrop-filter: blur(6px); border: 1.5px solid rgba(255,255,255,0.25); }
.stat-num { font-size: 26px; font-weight: 900; }
.stat-label { font-size: 11px; opacity: 0.84; margin-top: 3px; font-weight: 600; }
.new-badges { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 22px; }
.new-badge-item { background: rgba(255,255,255,0.2); border: 2px solid rgba(255,255,255,0.45); border-radius: var(--r-md); padding: 8px 14px; color: white; font-size: 13px; display: flex; align-items: center; gap: 6px; font-weight: 700; backdrop-filter: blur(4px); }
.result-btns { display: flex; flex-direction: column; gap: 10px; width: 100%; max-width: 320px; }
.result-btn { padding: 15px 28px; border: none; border-radius: var(--r-md); font-size: 15px; font-weight: 800; cursor: pointer; transition: all 0.3s var(--ease-spring); }
.result-btn.primary { background: white; color: var(--coral); box-shadow: var(--shadow-sm); }
.result-btn.secondary { background: rgba(255,255,255,0.2); color: white; border: 2px solid rgba(255,255,255,0.38); backdrop-filter: blur(4px); }
.result-btn.ghost { background: transparent; color: rgba(255,255,255,0.7); border: 1px solid rgba(255,255,255,0.28); }
.result-btn:hover { transform: scale(1.03); }

/* ===== REVIEW PAGE ===== */
#page-review { background: var(--gray-50); }
.review-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; padding: 16px 18px; }
.review-card { background: white; border-radius: var(--r-lg); padding: 18px 12px; text-align: center; box-shadow: var(--shadow-sm); transition: all 0.3s var(--ease-spring); cursor: pointer; border: 2px solid transparent; }
.review-card:hover { transform: scale(1.04) translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--gray-200); }
.rc-emoji { font-size: 44px; margin-bottom: 8px; }
.rc-en { font-size: 17px; font-weight: 900; color: var(--coral); margin-bottom: 3px; }
.rc-zh { font-size: 13px; color: var(--gray-500); margin-bottom: 6px; }
.rc-ph { font-size: 11px; color: var(--gray-400); margin-bottom: 8px; font-weight: 600; }
.rc-known { padding: 5px 12px; border-radius: var(--r-full); font-size: 12px; font-weight: 700; border: none; cursor: pointer; transition: all 0.2s; }
.rc-known.yes { background: #d1fae5; color: #065f46; }
.rc-known.no { background: #fee2e2; color: #991b1b; }

/* ===== PHONICS PAGE ===== */
#page-phonics { background: var(--gray-50); }
.phonics-header { background: linear-gradient(145deg, #FF7BAC 0%, #B088FF 100%); padding: 0 0 26px; position: relative; overflow: hidden; }
.phonics-header::before { content: ''; position: absolute; width: 200px; height: 200px; background: rgba(255,255,255,0.06); border-radius: 50%; bottom: -60px; right: -50px; }
.white-sub { color: rgba(255,255,255,0.88); font-size: 14px; text-align: center; padding: 0 20px 4px; font-weight: 600; }
.phonics-tabs { display: flex; gap: 8px; padding: 16px 18px 0; overflow-x: auto; }
.phonics-tabs::-webkit-scrollbar { display: none; }
.ph-tab { background: white; border: 2px solid var(--gray-200); border-radius: var(--r-full); padding: 8px 16px; font-size: 13px; font-weight: 700; cursor: pointer; transition: all 0.25s; white-space: nowrap; color: var(--gray-500); box-shadow: var(--shadow-xs); }
.ph-tab.active { background: var(--grad-candy); border-color: transparent; color: white; box-shadow: 0 6px 16px rgba(255,123,172,0.35); }
.phonics-content { padding: 18px; }
.alphabet-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.letter-card { background: white; border-radius: var(--r-md); padding: 16px 10px; text-align: center; cursor: pointer; box-shadow: var(--shadow-sm); transition: all 0.3s var(--ease-spring); border: 2.5px solid transparent; }
.letter-card:hover { transform: scale(1.08) translateY(-4px); border-color: var(--rose); box-shadow: 0 10px 24px rgba(255,123,172,0.28); }
.letter-card .lc-upper { font-size: 28px; font-weight: 900; color: var(--lavender); }
.letter-card .lc-lower { font-size: 20px; font-weight: 700; color: var(--gray-400); }
.letter-card .lc-example { font-size: 11px; color: var(--gray-500); margin-top: 4px; font-weight: 600; }
.phonics-rule-card { background: white; border-radius: var(--r-md); padding: 16px; margin-bottom: 12px; box-shadow: var(--shadow-sm); }
.prc-title { font-size: 15px; font-weight: 800; color: var(--gray-700); margin-bottom: 8px; }
.prc-examples { display: flex; flex-wrap: wrap; gap: 8px; }
.prc-example { background: #FAF5FF; border: 2px solid #E9D5FF; border-radius: var(--r-xs); padding: 6px 12px; font-size: 14px; font-weight: 700; color: var(--lavender); cursor: pointer; transition: all 0.2s; }
.prc-example:hover { background: var(--lavender); color: white; border-color: var(--lavender); }

/* ===== GAME PAGES ===== */
.game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.game-card { background: white; border-radius: var(--r-lg); padding: 22px 14px; text-align: center; cursor: pointer; box-shadow: var(--shadow-sm); transition: all 0.3s var(--ease-spring); border: 2.5px solid transparent; position: relative; overflow: hidden; }
.game-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 5px; }
.game-card:nth-child(1)::before { background: var(--grad-lavender); }
.game-card:nth-child(2)::before { background: var(--grad-sky); }
.game-card:nth-child(3)::before { background: var(--grad-candy); }
.game-card:nth-child(4)::before { background: var(--grad-sun); }
.game-card:nth-child(5)::before { background: var(--grad-coral); }
.game-card:nth-child(6)::before { background: linear-gradient(90deg,#94a3b8,#cbd5e1); }
.game-card:hover:not(.coming) { transform: translateY(-7px) scale(1.02); box-shadow: var(--shadow-md); }
.game-card.coming { opacity: 0.6; cursor: not-allowed; }
.game-icon { font-size: 46px; margin-bottom: 9px; filter: drop-shadow(0 4px 12px rgba(0,0,0,0.1)); transition: transform 0.3s var(--ease-spring); }
.game-card:hover:not(.coming) .game-icon { transform: scale(1.15) rotate(-8deg); }
.game-name { font-size: 16px; font-weight: 800; color: var(--gray-700); margin-bottom: 4px; }
.game-desc { font-size: 11px; color: var(--gray-400); margin-bottom: 8px; font-weight: 600; }
.game-difficulty { font-size: 12px; font-weight: 700; color: var(--warning); }
.coming-label { color: var(--gray-400); }
.game-timer { background: rgba(0,0,0,0.07); border-radius: var(--r-sm); padding: 5px 12px; font-size: 14px; font-weight: 800; color: var(--gray-700); }
.game-score-badge { background: var(--grad-coral); color: white; border-radius: var(--r-full); padding: 5px 14px; font-size: 14px; font-weight: 800; box-shadow: var(--shadow-coral); }

/* Match Game */
.match-score-row { display: flex; justify-content: space-between; padding: 12px 18px; font-size: 14px; color: var(--gray-500); font-weight: 700; }
.match-board { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 0 16px 32px; }
.match-card { background: var(--grad-ocean); border-radius: var(--r-sm); aspect-ratio: 1; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.3s var(--ease-spring); font-size: 14px; font-weight: 800; color: white; text-align: center; padding: 8px; box-shadow: var(--shadow-sm); }
.match-card:hover { transform: scale(1.05); }
.match-card.revealed { background: white; color: var(--gray-700); border: 3px solid var(--sky); }
.match-card.matched { background: linear-gradient(135deg,#d1fae5,#a7f3d0); color: #065f46; border: 3px solid var(--mint); cursor: default; }
.match-card.wrong-flash { background: linear-gradient(135deg,#fee2e2,#fecaca); border: 3px solid var(--error); }

/* Listen Game */
.listen-progress { height: 5px; background: var(--gray-100); }
.listen-progress-bar { height: 100%; background: var(--grad-forest); transition: width 0.4s var(--ease-out); }
.listen-body { padding: 22px; }
.listen-question { text-align: center; margin-bottom: 24px; }
.listen-choices { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.listen-choice { background: white; border-radius: var(--r-lg); padding: 20px; text-align: center; cursor: pointer; box-shadow: var(--shadow-sm); transition: all 0.3s var(--ease-spring); border: 2.5px solid transparent; font-size: 48px; }
.listen-choice:hover { border-color: var(--sky); transform: scale(1.05) translateY(-4px); }
.listen-choice.correct { border-color: var(--mint); background: #d1fae5; }
.listen-choice.wrong { border-color: var(--error); background: #fee2e2; }
.listen-choice-label { font-size: 13px; font-weight: 700; color: var(--gray-500); margin-top: 8px; }

/* Spell Game */
.spell-body { padding: 22px; }
.spell-progress { text-align: center; font-size: 13px; font-weight: 700; color: var(--gray-400); margin-bottom: 16px; }
.spell-question { text-align: center; margin-bottom: 20px; }
.spell-emoji { font-size: 80px; margin-bottom: 12px; filter: drop-shadow(0 8px 20px rgba(0,0,0,0.1)); }
.spell-hint { font-size: 16px; font-weight: 700; color: var(--gray-500); }
.spell-slots { display: flex; gap: 8px; justify-content: center; margin-bottom: 20px; flex-wrap: wrap; }
.spell-slot { width: 40px; height: 50px; border: 2.5px solid var(--gray-200); border-radius: var(--r-xs); display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: 900; color: var(--gray-700); background: white; transition: all 0.2s; box-shadow: var(--shadow-xs); }
.spell-slot.filled { border-color: var(--coral); background: #FFF8F6; }
.spell-slot.correct { border-color: var(--mint); background: #d1fae5; }
.spell-slot.wrong { border-color: var(--error); background: #fee2e2; }
.spell-letters { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 16px; }
.spell-letter { width: 44px; height: 44px; background: white; border: 2px solid var(--gray-200); border-radius: var(--r-xs); display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 800; cursor: pointer; transition: all 0.2s var(--ease-spring); color: var(--gray-700); box-shadow: var(--shadow-xs); }
.spell-letter:hover { border-color: var(--coral); background: #FFF8F6; transform: scale(1.12) translateY(-3px); }
.spell-letter.used { opacity: 0.28; cursor: default; }
.spell-actions { display: flex; gap: 10px; }
.spell-clear-btn, .spell-check-btn { flex: 1; padding: 14px; border: none; border-radius: var(--r-md); font-size: 15px; font-weight: 800; cursor: pointer; transition: all 0.3s var(--ease-spring); }
.spell-clear-btn { background: var(--gray-100); color: var(--gray-500); }
.spell-clear-btn:hover { background: var(--gray-200); }
.spell-check-btn { background: var(--grad-coral); color: white; box-shadow: var(--shadow-coral); }
.spell-check-btn:hover { transform: scale(1.02); }

/* ===== ERROR BOOK ===== */
#page-errorbook { background: var(--gray-50); }
.clear-error-btn { background: #FEE2E2; border: none; color: var(--error); border-radius: var(--r-full); padding: 7px 14px; font-size: 13px; cursor: pointer; font-weight: 700; transition: all 0.2s; }
.clear-error-btn:hover { background: var(--error); color: white; }
.error-filter { display: flex; gap: 8px; padding: 12px 18px; overflow-x: auto; }
.error-filter::-webkit-scrollbar { display: none; }
.ef-btn { background: white; border: 2px solid var(--gray-200); border-radius: var(--r-full); padding: 7px 16px; font-size: 13px; font-weight: 700; cursor: pointer; transition: all 0.2s; color: var(--gray-500); white-space: nowrap; box-shadow: var(--shadow-xs); }
.ef-btn.active { background: var(--grad-coral); border-color: transparent; color: white; box-shadow: var(--shadow-coral); }
.error-list { padding: 12px 18px; display: flex; flex-direction: column; gap: 12px; }
.error-item { background: white; border-radius: var(--r-md); padding: 14px 18px; display: flex; align-items: center; gap: 14px; box-shadow: var(--shadow-sm); border-left: 5px solid var(--error); transition: all 0.25s; }
.error-item:hover { transform: translateX(5px); }
.err-emoji { font-size: 36px; }
.err-info { flex: 1; }
.err-en { font-size: 18px; font-weight: 900; color: var(--gray-700); }
.err-zh { font-size: 13px; color: var(--gray-500); }
.err-count { font-size: 11px; color: var(--error); font-weight: 700; margin-top: 2px; }
.err-speak-btn { background: var(--grad-coral); color: white; border: none; width: 36px; height: 36px; border-radius: 50%; cursor: pointer; font-size: 16px; transition: transform 0.2s; box-shadow: var(--shadow-coral); }
.err-speak-btn:hover { transform: scale(1.12); }
.empty-error { text-align: center; padding: 64px 24px; color: var(--gray-400); }
.empty-error .empty-icon { font-size: 64px; margin-bottom: 16px; display: block; }
.empty-error p { font-size: 15px; font-weight: 600; }

/* ===== REPORT PAGE ===== */
.report-body { padding: 18px; display: flex; flex-direction: column; gap: 16px; }
.report-card { background: white; border-radius: var(--r-lg); padding: 20px; box-shadow: var(--shadow-sm); }
.report-card-title { font-size: 15px; font-weight: 800; color: var(--gray-700); margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.report-stat-row { display: flex; gap: 12px; }
.report-stat { flex: 1; background: var(--gray-50); border-radius: var(--r-md); padding: 14px; text-align: center; }
.report-stat .rs-num { font-size: 28px; font-weight: 900; color: var(--coral); }
.report-stat .rs-label { font-size: 11px; color: var(--gray-400); margin-top: 3px; font-weight: 600; }
.calendar-heatmap { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; }
.heatmap-day { aspect-ratio: 1; border-radius: 6px; background: var(--gray-100); display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; color: var(--gray-400); }
.heatmap-day.level-1 { background: #BBF7D0; color: #065f46; }
.heatmap-day.level-2 { background: #6EE7B7; color: #065f46; }
.heatmap-day.level-3 { background: var(--mint); color: white; }
.heatmap-day.level-4 { background: #047857; color: white; }
.progress-list { display: flex; flex-direction: column; gap: 10px; }
.progress-row { display: flex; align-items: center; gap: 12px; }
.pr-label { font-size: 13px; font-weight: 700; color: var(--gray-700); min-width: 50px; }
.pr-bar-wrap { flex: 1; background: var(--gray-100); border-radius: var(--r-full); height: 10px; overflow: hidden; }
.pr-bar { height: 100%; border-radius: var(--r-full); transition: width 0.8s var(--ease-out); }
.pr-pct { font-size: 12px; font-weight: 700; color: var(--gray-500); min-width: 36px; text-align: right; }
.weak-topic-list { display: flex; flex-direction: column; gap: 8px; }
.weak-topic-item { display: flex; align-items: center; gap: 10px; padding: 10px; background: #FEF9EE; border-radius: var(--r-sm); border-left: 4px solid var(--warning); }
.wti-emoji { font-size: 24px; }
.wti-info { flex: 1; }
.wti-name { font-size: 14px; font-weight: 700; color: #92400e; }
.wti-rate { font-size: 12px; color: #d97706; }

/* ===== BADGES PAGE ===== */
.badge-summary { padding: 18px 20px; background: linear-gradient(135deg, #FFF3E0, #FFD93D); border-bottom: 2px solid rgba(255,152,0,0.15); }
.badge-summary-text { font-size: 15px; font-weight: 700; color: var(--gray-700); text-align: center; }
.badges-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding: 18px; }
.badge-item { background: white; border-radius: var(--r-lg); padding: 18px 12px; text-align: center; box-shadow: var(--shadow-sm); position: relative; transition: all 0.3s var(--ease-spring); border: 2px solid transparent; }
.badge-item.locked { filter: grayscale(1); opacity: 0.48; }
.badge-item:hover:not(.locked) { transform: scale(1.06) translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--sun); }
.badge-item .bi-emoji { font-size: 40px; margin-bottom: 8px; display: block; }
.badge-item .bi-name { font-size: 12px; font-weight: 800; color: var(--gray-700); margin-bottom: 3px; }
.badge-item .bi-desc { font-size: 10px; color: var(--gray-400); font-weight: 600; }
.badge-item .bi-locked { position: absolute; top: 10px; right: 10px; font-size: 14px; }
.badge-item .bi-date { font-size: 10px; color: var(--mint); margin-top: 4px; font-weight: 700; }

/* ===== SETTINGS PAGE ===== */
.settings-list { padding: 18px; }
.settings-section-title { font-size: 12px; font-weight: 800; color: var(--gray-400); text-transform: uppercase; letter-spacing: 1.2px; margin-bottom: 10px; padding-left: 4px; }
.settings-item { display: flex; align-items: center; justify-content: space-between; background: white; border-radius: var(--r-md); padding: 15px 18px; margin-bottom: 9px; box-shadow: var(--shadow-xs); font-size: 15px; color: var(--gray-700); font-weight: 600; border: 1.5px solid transparent; transition: all 0.2s; }
.settings-item.clickable { cursor: pointer; }
.settings-item.clickable:hover { background: #FFF8F6; border-color: rgba(255,107,71,0.12); }
.settings-item.danger { color: var(--error); }
.settings-item select { border: 1.5px solid var(--gray-200); border-radius: var(--r-xs); padding: 6px 10px; font-size: 13px; cursor: pointer; background: white; font-weight: 700; color: var(--gray-700); outline: none; }
.settings-item .arrow { color: var(--gray-300); font-size: 18px; }
.toggle-switch { position: relative; display: inline-block; width: 50px; height: 28px; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background: var(--gray-200); transition: .35s var(--ease-out); border-radius: var(--r-full); }
.toggle-slider:before { position: absolute; content: ""; height: 22px; width: 22px; left: 3px; bottom: 3px; background: white; transition: .35s var(--ease-out); border-radius: 50%; box-shadow: 0 2px 8px rgba(0,0,0,0.15); }
input:checked + .toggle-slider { background: var(--coral); }
input:checked + .toggle-slider:before { transform: translateX(22px); }
.theme-selector { display: flex; gap: 8px; align-items: center; }
.theme-btn { padding: 6px 14px; border-radius: var(--r-full); border: 2px solid var(--gray-200); background: transparent; font-size: 13px; cursor: pointer; font-weight: 700; color: var(--gray-500); transition: all 0.2s; }
.theme-btn.active { background: var(--grad-coral); border-color: transparent; color: white; box-shadow: var(--shadow-coral); }

/* ===== MODALS ===== */
.modal { position: fixed; inset: 0; z-index: 300; display: flex; align-items: center; justify-content: center; padding: 24px; }
.modal-content { background: white; border-radius: var(--r-xl); padding: 30px 24px; width: 100%; max-width: 360px; text-align: center; box-shadow: 0 28px 80px rgba(13,14,34,0.25); position: relative; overflow: hidden; }
.modal-content::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 6px; background: var(--grad-sunset); }
.modal-emoji { font-size: 64px; margin-bottom: 12px; display: block; filter: drop-shadow(0 8px 16px rgba(0,0,0,0.1)); }
.modal-title { font-size: 22px; font-weight: 900; color: var(--gray-700); margin-bottom: 8px; }
.modal-desc { font-size: 15px; color: var(--gray-500); margin-bottom: 22px; font-weight: 600; }
.modal-input { width: 100%; border: 2.5px solid var(--gray-200); border-radius: var(--r-md); padding: 14px 18px; font-size: 18px; font-weight: 700; text-align: center; outline: none; margin-bottom: 22px; transition: all 0.25s; color: var(--gray-700); }
.modal-input:focus { border-color: var(--coral); box-shadow: 0 0 0 4px rgba(255,107,71,0.08); }
.modal-btns { display: flex; gap: 10px; }
.modal-btn { flex: 1; padding: 14px; border: none; border-radius: var(--r-md); font-size: 15px; font-weight: 800; cursor: pointer; transition: all 0.3s var(--ease-spring); }
.modal-btn.cancel { background: var(--gray-100); color: var(--gray-500); }
.modal-btn.cancel:hover { background: var(--gray-200); }
.modal-btn.confirm { background: var(--grad-coral); color: white; box-shadow: var(--shadow-coral); }
.modal-btn.confirm:hover { transform: scale(1.03); }
.modal-btn.next-level { background: linear-gradient(135deg, #00C896 0%, #00BCD4 100%); color: white; box-shadow: 0 4px 14px rgba(0,200,150,0.35); }
.modal-btn.next-level:hover { transform: scale(1.05); }
.modal-btn.next-level.hidden { display: none; }
.avatar-options { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 22px; }
.av-opt { font-size: 36px; width: 52px; height: 52px; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; border: 3px solid transparent; background: var(--gray-50); transition: all 0.25s var(--ease-spring); }
.av-opt:hover { transform: scale(1.18) translateY(-3px); border-color: var(--coral); background: #FFF8F6; }
.av-opt.selected { border-color: var(--coral); background: #FFF8F6; box-shadow: 0 6px 16px rgba(255,107,71,0.25); }
.badge-unlock-content { padding: 38px 24px; overflow: visible; }
.badge-unlock-glow { position: absolute; inset: -10px; border-radius: 42px; background: linear-gradient(135deg, var(--sun), var(--coral), var(--rose)); opacity: 0.28; animation: glowPulse 2s ease-in-out infinite; z-index: -1; }
@keyframes glowPulse { 0%,100%{opacity:0.18;transform:scale(1)}50%{opacity:0.45;transform:scale(1.06)} }
.badge-unlock-emoji { font-size: 84px; margin-bottom: 12px; animation: resultBounce 1.5s infinite; display: block; }
.badge-unlock-title { font-size: 22px; font-weight: 900; color: var(--gray-700); margin-bottom: 6px; }
.badge-unlock-name { font-size: 18px; font-weight: 800; color: var(--coral); margin-bottom: 8px; }
.badge-unlock-desc { font-size: 14px; color: var(--gray-500); margin-bottom: 22px; font-weight: 600; }

/* ===== CONFETTI ===== */
.confetti-container { position: fixed; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 999; }
.confetti-piece { position: absolute; width: 10px; height: 10px; border-radius: 3px; animation: confettiFall 2s ease-in forwards; }
@keyframes confettiFall { 0%{transform:translateY(-20px) rotate(0deg);opacity:1}100%{transform:translateY(100vh) rotate(720deg);opacity:0} }

/* ===== TOAST ===== */
.toast { position: fixed; bottom: 44px; left: 50%; transform: translateX(-50%); background: var(--gray-800); color: white; padding: 12px 24px; border-radius: var(--r-full); font-size: 14px; font-weight: 700; z-index: 9999; transition: all 0.35s var(--ease-spring); opacity: 0; pointer-events: none; white-space: nowrap; box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,0.06); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(-6px); }

/* ===== CALENDAR PAGE ===== */
.calendar-section { padding: 18px; }
.calendar-month-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; font-weight: 800; font-size: 16px; color: var(--gray-700); }
.calendar-weekdays { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin-bottom: 6px; }
.calendar-weekday { font-size: 11px; text-align: center; color: var(--gray-400); font-weight: 700; padding: 4px; }
.calendar-days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.calendar-day { aspect-ratio: 1; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; color: var(--gray-400); position: relative; transition: all 0.2s; }
.calendar-day.has-study { background: #D1FAE5; color: #065f46; }
.calendar-day.today { background: var(--coral); color: white; box-shadow: 0 4px 12px rgba(255,107,71,0.4); }
.calendar-day.streak::after { content: '🔥'; position: absolute; bottom: -2px; right: -2px; font-size: 10px; }

/* ===== STORE PAGE ===== */
#page-store { background: var(--gray-50); }
.store-points { background: var(--grad-sun); color: white; padding: 6px 14px; border-radius: var(--r-full); font-weight: 700; font-size: 13px; white-space: nowrap; display: inline-flex; align-items: center; gap: 4px; box-shadow: var(--shadow-sun); }
.store-body { padding: 18px; display: flex; flex-direction: column; gap: 24px; }
.store-section {}
.store-section-title { font-size: 16px; font-weight: 800; color: var(--gray-700); margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.store-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.store-item { background: white; border-radius: var(--r-md); padding: 16px 12px; box-shadow: var(--shadow-sm); cursor: pointer; display: flex; flex-direction: column; align-items: center; transition: all 0.3s var(--ease-spring); position: relative; border: 2px solid transparent; }
.store-item:hover { transform: translateY(-5px) scale(1.02); box-shadow: var(--shadow-md); border-color: rgba(255,217,61,0.4); }
.store-item.locked { opacity: 0.68; }
.store-item-icon { font-size: 36px; margin-bottom: 8px; }
.store-item-name { font-size: 13px; font-weight: 700; color: var(--gray-700); margin-bottom: 4px; text-align: center; }
.store-item-desc { font-size: 10px; color: var(--gray-400); text-align: center; margin-bottom: 10px; line-height: 1.3; font-weight: 600; }
.store-item-price { background: var(--grad-sun); color: white; padding: 4px 10px; border-radius: var(--r-full); font-size: 11px; font-weight: 700; box-shadow: 0 3px 10px rgba(255,152,0,0.35); }
.store-item.locked .store-item-price { background: var(--gray-300); box-shadow: none; }
.points-history { background: white; border-radius: var(--r-md); padding: 16px; box-shadow: var(--shadow-sm); }
.points-history-empty { text-align: center; color: var(--gray-400); font-size: 14px; padding: 20px; font-weight: 600; }
.points-history-item { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--gray-100); }
.points-history-item:last-child { border-bottom: none; }
.points-history-reason { font-size: 14px; color: var(--gray-700); font-weight: 600; }
.points-history-amount { font-weight: 800; font-size: 14px; }
.points-history-amount.positive { color: var(--mint); }
.points-history-amount.negative { color: var(--error); }
.points-history-date { font-size: 11px; color: var(--gray-400); margin-top: 2px; font-weight: 600; }

/* ===== 极速认词关卡 ===== */
.speed-level-header { text-align: center; padding: 8px 0 16px; }
.slh-title { font-size: 20px; font-weight: 800; color: var(--gray-700); }
.slh-desc { font-size: 13px; color: var(--gray-400); margin-top: 4px; font-weight: 600; }
.speed-level-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; padding-bottom: 32px; }
.sl-item { border-radius: var(--r-sm); text-align: center; padding: 10px 4px; cursor: pointer; transition: all 0.25s var(--ease-spring); border: 2px solid transparent; }
.sl-item.unlocked { background: white; border-color: var(--gray-200); box-shadow: var(--shadow-xs); }
.sl-item.unlocked:hover { transform: scale(1.1) translateY(-3px); border-color: var(--sun); box-shadow: var(--shadow-sm); }
.sl-item.locked { background: var(--gray-100); cursor: not-allowed; opacity: 0.45; }
.sl-item.perfect { border-color: var(--sun) !important; background: #FFFBEB !important; }
.sl-num { font-size: 15px; font-weight: 800; color: var(--gray-700); }
.sl-stars { font-size: 10px; margin-top: 2px; }
.sl-item.locked .sl-num { color: var(--gray-400); }

/* ===== 听音选图关卡 ===== */
.listen-level-header { text-align: center; padding: 8px 0 16px; }
.llh-title { font-size: 20px; font-weight: 800; color: var(--gray-700); }
.llh-desc { font-size: 13px; color: var(--gray-400); margin-top: 4px; font-weight: 600; }
.listen-level-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; padding-bottom: 32px; }
.ll-item { border-radius: var(--r-sm); text-align: center; padding: 10px 4px; cursor: pointer; transition: all 0.25s var(--ease-spring); border: 2px solid transparent; }
.ll-item.unlocked { background: white; border-color: var(--gray-200); box-shadow: var(--shadow-xs); }
.ll-item.unlocked:hover { transform: scale(1.1) translateY(-3px); border-color: var(--coral); box-shadow: var(--shadow-sm); }
.ll-item.locked { background: var(--gray-100); cursor: not-allowed; opacity: 0.45; }
.ll-item.perfect { border-color: var(--sun) !important; background: #FFFBEB !important; }
.ll-num { font-size: 15px; font-weight: 800; color: var(--gray-700); }
.ll-stars { font-size: 10px; margin-top: 2px; }
.ll-item.locked .ll-num { color: var(--gray-400); }
.game-level-badge { display: inline-block; margin-top: 6px; background: var(--grad-ocean); color: white; border-radius: var(--r-xs); padding: 2px 8px; font-size: 11px; font-weight: 700; }
.kg-badge { background: var(--grad-sun) !important; }
.kg-choice { font-size: 18px !important; font-weight: 800 !important; padding: 16px !important; }

/* ===== 极速认词 ===== */
.speed-timer-bar { height: 6px; background: var(--gray-100); }
.speed-timer-fill { height: 100%; background: linear-gradient(90deg, var(--mint), var(--warning), var(--error)); width: 100%; transition: width 0.1s linear; }
.speed-body { padding: 14px 18px; }
.speed-question-wrap { text-align: center; margin-bottom: 20px; }
.speed-q-index { font-size: 13px; font-weight: 700; color: var(--gray-400); margin-bottom: 8px; }
.speed-word-show { background: var(--grad-ocean); border-radius: var(--r-lg); padding: 28px; color: white; margin: 0 auto; max-width: 320px; box-shadow: 0 12px 32px rgba(15,76,122,0.4); position: relative; overflow: hidden; }
.speed-word-show::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(circle at 30% 30%, rgba(0,229,255,0.15) 0%, transparent 60%); pointer-events: none; }
.speed-emoji { font-size: 64px; margin-bottom: 8px; filter: drop-shadow(0 6px 14px rgba(0,0,0,0.15)); }
.speed-word { font-size: 30px; font-weight: 900; letter-spacing: 2px; }
.speed-ph { font-size: 14px; opacity: 0.78; margin-top: 4px; font-weight: 600; }
.speed-choices { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; max-width: 340px; margin: 0 auto; }
.speed-choice-btn { background: white; border: 2.5px solid var(--gray-200); border-radius: var(--r-md); padding: 14px 8px; font-size: 16px; font-weight: 800; color: var(--gray-700); cursor: pointer; transition: all 0.25s var(--ease-spring); box-shadow: var(--shadow-xs); }
.speed-choice-btn:focus { outline: none; }
.speed-choice-btn:focus-visible { outline: 2px solid var(--coral); outline-offset: 2px; }
.speed-choice-btn:hover { border-color: var(--coral); transform: scale(1.04) translateY(-2px); }
.speed-choice-btn.correct { background: #d1fae5; border-color: var(--mint); color: #065f46; }
.speed-choice-btn.wrong { background: #fee2e2; border-color: var(--error); color: #991b1b; }
.speed-choice-btn:disabled { cursor: not-allowed; }

/* ===== 单词射击 ===== */
.shoot-info-row { display: flex; align-items: center; gap: 8px; }
.shoot-score-badge { background: var(--grad-sun); color: white; border-radius: var(--r-full); padding: 3px 14px; font-size: 14px; font-weight: 800; box-shadow: var(--shadow-sun); }
.shoot-life { font-size: 18px; }
.shoot-area { position: relative; overflow: hidden; height: calc(100vh - 120px); min-height: 500px; background: linear-gradient(180deg, #0D0E22 0%, #1A1B3D 60%, #0F4C7A 100%); }
.shoot-area::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 20% 20%, rgba(0,188,212,0.08) 0%, transparent 40%), radial-gradient(circle at 80% 80%, rgba(176,136,255,0.08) 0%, transparent 40%); pointer-events: none; }
.shoot-area.shake { animation: shakeGame 0.4s; }
@keyframes shakeGame { 0%,100%{transform:translateX(0)}20%{transform:translateX(-10px)}40%{transform:translateX(10px)}60%{transform:translateX(-8px)}80%{transform:translateX(8px)} }
.shoot-question { position: absolute; top: 16px; left: 50%; transform: translateX(-50%); background: rgba(255,255,255,0.1); border-radius: var(--r-md); padding: 10px 20px; text-align: center; z-index: 10; backdrop-filter: blur(6px); min-width: 200px; border: 1.5px solid rgba(255,255,255,0.15); }
.shoot-q-emoji { font-size: 36px; }
.shoot-q-text { font-size: 14px; font-weight: 700; color: white; margin-top: 4px; }
.shoot-targets { position: absolute; top: 0; left: 0; right: 0; bottom: 80px; }
.shoot-target { position: absolute; border-radius: var(--r-md); padding: 10px 16px; font-size: 16px; font-weight: 800; cursor: pointer; text-align: center; min-width: 70px; transition: transform 0.1s; z-index: 5; user-select: none; box-shadow: 0 6px 20px rgba(0,0,0,0.35); }
.shoot-target.correct-target { background: linear-gradient(135deg, var(--mint), #059669); color: white; }
.shoot-target.wrong-target { background: linear-gradient(135deg, var(--error), #dc2626); color: white; }
.shoot-target:hover { transform: scale(1.12); }
.shoot-target.hit-correct { animation: hitCorrect 0.5s forwards; }
.shoot-target.hit-wrong { animation: hitWrong 0.5s forwards; }
.shoot-target.miss { animation: missFall 0.4s forwards; }
@keyframes shootFall { from{top:-60px}to{top:calc(100% + 10px)} }
@keyframes hitCorrect { 0%{transform:scale(1);opacity:1}50%{transform:scale(1.6);opacity:0.8}100%{transform:scale(0);opacity:0} }
@keyframes hitWrong { 0%{transform:scale(1)}30%{transform:scale(1.2) rotate(12deg)}100%{transform:scale(0.1);opacity:0} }
@keyframes missFall { 0%{transform:scale(1)}100%{transform:translateY(40px) scale(0.5);opacity:0} }
.shoot-cannon-wrap { position: absolute; bottom: 8px; left: 50%; transform: translateX(-50%); z-index: 10; }
.shoot-cannon { font-size: 48px; cursor: pointer; transition: transform 0.1s; user-select: none; filter: drop-shadow(0 8px 20px rgba(0,188,212,0.5)); }
.shoot-cannon:hover { transform: scale(1.1); }
.shoot-combo { position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); font-size: 32px; font-weight: 900; color: var(--sun); pointer-events: none; z-index: 500; text-shadow: 0 4px 20px rgba(255,217,61,0.7); }

/* ===== PHRASES DAILY & SENTENCES PAGES ===== */
.phrases-intro { padding: 10px 18px 4px; font-size: 14px; color: var(--gray-400); font-weight: 600; }

/* 分类网格 */
.phrases-cat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; padding: 14px 16px 80px; }
.phrase-cat-item { background: white; border-radius: var(--r-lg); padding: 18px 14px 14px; box-shadow: var(--shadow-sm); cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 6px; transition: all 0.3s var(--ease-spring); position: relative; border: 2.5px solid transparent; overflow: hidden; }
.phrase-cat-item::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--cat-color, var(--coral)); }
.phrase-cat-item:active { transform: scale(0.97); }
.phrase-cat-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--cat-color, var(--coral)); }
.phrase-cat-item.recommended { border-color: var(--cat-color, var(--coral)); }
.pci-emoji { font-size: 32px; }
.pci-name { font-size: 15px; font-weight: 800; color: var(--gray-700); }
.pci-count { font-size: 12px; color: var(--gray-400); font-weight: 600; }
.pci-rec-tag { position: absolute; top: 8px; right: 8px; background: var(--coral); color: white; font-size: 10px; font-weight: 700; padding: 2px 7px; border-radius: var(--r-full); }
.grade-lesson { border-top: 4px solid var(--sky); }
.grade-lesson::before { display: none; }

/* 短句列表页 */
#page-phrases-list { background: var(--gray-50); }
.phrase-row { display: flex; align-items: flex-start; gap: 12px; padding: 14px 16px; background: white; border-bottom: 1px solid var(--gray-200); cursor: pointer; transition: background 0.2s; }
.phrase-row:hover, .phrase-row.active { background: var(--gray-100); }
.pr-index { width: 22px; height: 22px; border-radius: 50%; background: var(--gray-200); color: var(--gray-500); font-size: 11px; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px; }
.phrase-row.active .pr-index { background: var(--coral); color: white; }
.pr-content { flex: 1; }
.pr-en { font-size: 16px; font-weight: 700; color: var(--gray-700); font-family: 'Nunito', sans-serif; }
.pr-ph { font-size: 12px; color: var(--gray-400); font-style: italic; margin-top: 2px; }
.pr-zh { font-size: 14px; color: var(--gray-600); margin-top: 3px; }
.pr-tip { font-size: 12px; color: var(--sky); margin-top: 4px; }
.pr-speak-btn { background: none; border: none; font-size: 20px; cursor: pointer; padding: 4px; opacity: 0.7; flex-shrink: 0; }
.pr-speak-btn:active { transform: scale(1.3); opacity: 1; }
.icon-btn { background: none; border: none; font-size: 22px; cursor: pointer; padding: 4px 8px; }

/* 短句翻牌学习页 */
#page-sentence-learn { background: linear-gradient(160deg, #f0f4ff 0%, #e8f8f0 100%); display: flex; flex-direction: column; z-index: 1; }
.phrase-progress-label { font-size: 13px; font-weight: 700; color: var(--gray-500); background: var(--gray-200); padding: 3px 10px; border-radius: var(--r-full); }
.phrase-card-wrap { padding: 24px 20px 0; flex-shrink: 0; }
.phrase-card { perspective: 1000px; cursor: pointer; }
.phrase-card-inner { position: relative; width: 100%; border-radius: var(--r-xl); min-height: 190px; transform-style: preserve-3d; transition: transform 0.55s cubic-bezier(0.4,0,0.2,1); box-shadow: 0 12px 40px rgba(0,0,0,0.12); }
.phrase-card-inner.flipped { transform: rotateY(180deg); }
.phrase-card-front, .phrase-card-back { position: absolute; inset: 0; border-radius: var(--r-xl); backface-visibility: hidden; -webkit-backface-visibility: hidden; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 28px 20px; }
.phrase-card-front { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.phrase-card-back { background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%); transform: rotateY(180deg); }
.phrase-card-en { font-size: 26px; font-weight: 900; color: white; text-align: center; line-height: 1.3; text-shadow: 0 2px 8px rgba(0,0,0,0.2); }
.phrase-card-ph { font-size: 14px; color: rgba(255,255,255,0.8); margin-top: 8px; font-style: italic; }
.phrase-card-tip { font-size: 12px; color: rgba(255,255,255,0.6); margin-top: 12px; }
.phrase-card-zh { font-size: 24px; font-weight: 800; color: white; text-align: center; text-shadow: 0 2px 8px rgba(0,0,0,0.15); }
.phrase-card-context { font-size: 13px; color: rgba(255,255,255,0.85); margin-top: 10px; text-align: center; line-height: 1.5; }

/* 操作按钮 */
.phrase-actions { display: flex; gap: 10px; padding: 16px 18px 10px; flex-shrink: 0; }
.phrase-btn { flex: 1; padding: 12px 6px; border: none; border-radius: var(--r-md); font-size: 14px; font-weight: 700; cursor: pointer; transition: all 0.2s; }
.phrase-btn.prev { background: var(--gray-200); color: var(--gray-600); }
.phrase-btn.speak { background: var(--grad-sky, linear-gradient(135deg,#00BCD4,#0099BB)); color: white; flex: 0.8; }
.phrase-btn.next { background: var(--coral); color: white; }
.phrase-btn:disabled { opacity: 0.35; cursor: default; }
.phrase-btn:not(:disabled):active { transform: scale(0.95); }

/* 小列表 */
.phrase-list-mini { flex: 1; overflow-y: auto; padding: 8px 0 24px; }
.plm-item { display: flex; align-items: center; gap: 10px; padding: 9px 16px; cursor: pointer; border-bottom: 1px solid var(--gray-200); transition: background 0.15s; }
.plm-item:hover { background: rgba(255,255,255,0.6); }
.plm-item.current { background: rgba(255,107,71,0.08); border-left: 3px solid var(--coral); }
.plm-num { width: 20px; font-size: 11px; font-weight: 700; color: var(--gray-400); text-align: center; flex-shrink: 0; }
.plm-item.current .plm-num { color: var(--coral); }
.plm-en { flex: 1; font-size: 14px; font-weight: 700; color: var(--gray-700); }
.plm-zh { font-size: 12px; color: var(--gray-500); flex-shrink: 0; max-width: 90px; text-align: right; }
.plm-speak { background: none; border: none; font-size: 16px; cursor: pointer; padding: 2px 4px; flex-shrink: 0; opacity: 0.6; }
.plm-speak:active { transform: scale(1.3); opacity: 1; }

/* ===== RESPONSIVE ===== */
@media (max-width: 380px) {
  .level-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-grid { grid-template-columns: 1fr; }
  .quiz-choices { grid-template-columns: 1fr; }
  .alphabet-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ===== DARK THEME ===== */
body, .topbar, .settings-item, .modal-content {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

[data-theme="dark"] {
  --bg: #0D0E22;
  --gray-50:  #13152E;
  --gray-100: #1A1B3D;
  --gray-200: #272850;
  --gray-300: #373868;
  --gray-400: #6466A0;
  --gray-500: #8A8CC0;
  --gray-600: #B4B6D8;
  --gray-700: #E2E3F4;
  --gray-800: #F0F0FA;
  --card-shadow: 0 4px 20px rgba(0,0,0,0.45);
  --card-shadow-hover: 0 12px 40px rgba(0,0,0,0.6);
}
[data-theme="dark"] body { background: var(--bg); color: var(--gray-600); }
[data-theme="dark"] .topbar { background: #1A1B3D !important; box-shadow: 0 2px 16px rgba(0,0,0,0.45); border-bottom: 1px solid rgba(255,255,255,0.05); }
[data-theme="dark"] .topbar h2 { color: var(--gray-700); }
[data-theme="dark"] .back-btn { background: var(--gray-200); color: var(--gray-600); }
[data-theme="dark"] .back-btn:hover { background: var(--coral); color: white; }

[data-theme="dark"] .daily-task-card,
[data-theme="dark"] .menu-item,
[data-theme="dark"] .level-card,
[data-theme="dark"] .cat-card,
[data-theme="dark"] .course-card,
[data-theme="dark"] .game-card,
[data-theme="dark"] .flashcard,
[data-theme="dark"] .quiz-question,
[data-theme="dark"] .choice-btn,
[data-theme="dark"] .review-card,
[data-theme="dark"] .letter-card,
[data-theme="dark"] .phonics-rule-card,
[data-theme="dark"] .match-card.revealed,
[data-theme="dark"] .listen-choice,
[data-theme="dark"] .error-item,
[data-theme="dark"] .report-card,
[data-theme="dark"] .badge-item,
[data-theme="dark"] .settings-item,
[data-theme="dark"] .store-item,
[data-theme="dark"] .points-history,
[data-theme="dark"] .badge-chip,
[data-theme="dark"] .profile-item,
[data-theme="dark"] .ll-item.unlocked,
[data-theme="dark"] .sl-item.unlocked,
[data-theme="dark"] .spell-slot,
[data-theme="dark"] .spell-letter,
[data-theme="dark"] .drag-word,
[data-theme="dark"] .modal-content { background: var(--gray-100) !important; }

[data-theme="dark"] #page-home,
[data-theme="dark"] #page-level,
[data-theme="dark"] #page-category,
[data-theme="dark"] #page-course,
[data-theme="dark"] #page-quiz,
[data-theme="dark"] #page-review,
[data-theme="dark"] #page-phonics,
[data-theme="dark"] #page-game-select,
[data-theme="dark"] #page-errorbook,
[data-theme="dark"] #page-report,
[data-theme="dark"] #page-badges,
[data-theme="dark"] #page-settings,
[data-theme="dark"] #page-store,
[data-theme="dark"] #page-calendar,
[data-theme="dark"] #page-game-match,
[data-theme="dark"] #page-game-listen-levels,
[data-theme="dark"] #page-game-listen,
[data-theme="dark"] #page-game-speed,
[data-theme="dark"] #page-game-spell,
[data-theme="dark"] #page-phrases-daily,
[data-theme="dark"] #page-phrases-list,
[data-theme="dark"] #page-sentences,
[data-theme="dark"] #page-sentence-learn { background: var(--bg) !important; }


[data-theme="dark"] .menu-name,
[data-theme="dark"] .card-name,
[data-theme="dark"] .course-title,
[data-theme="dark"] .game-name,
[data-theme="dark"] .cat-name,
[data-theme="dark"] .err-en,
[data-theme="dark"] .report-card-title,
[data-theme="dark"] .bi-name,
[data-theme="dark"] .store-item-name,
[data-theme="dark"] .pi-name,
[data-theme="dark"] .pr-label,
[data-theme="dark"] .ll-num,
[data-theme="dark"] .llh-title { color: var(--gray-700) !important; }

[data-theme="dark"] .menu-desc,
[data-theme="dark"] .card-en,
[data-theme="dark"] .cat-en,
[data-theme="dark"] .course-desc,
[data-theme="dark"] .game-desc,
[data-theme="dark"] .pi-stats,
[data-theme="dark"] .dt-item,
[data-theme="dark"] .bi-desc,
[data-theme="dark"] .store-item-desc,
[data-theme="dark"] .points-history-reason,
[data-theme="dark"] .rc-zh { color: var(--gray-500) !important; }

[data-theme="dark"] h1,[data-theme="dark"] h2,[data-theme="dark"] h3,[data-theme="dark"] h4 { color: var(--gray-700); }
[data-theme="dark"] p { color: var(--gray-500); }

[data-theme="dark"] .fill-input { background: var(--gray-200); border-color: var(--gray-300); color: var(--gray-700); }
[data-theme="dark"] .drag-quiz-area { background: var(--gray-200); }
[data-theme="dark"] .speed-choice-btn { background: var(--gray-100); border-color: var(--gray-300); color: var(--gray-700); }
[data-theme="dark"] .spell-clear-btn { background: var(--gray-200); color: var(--gray-500); }
[data-theme="dark"] .report-stat { background: var(--gray-200); }
[data-theme="dark"] .heatmap-day { background: var(--gray-200); }
[data-theme="dark"] .badge-summary { background: linear-gradient(135deg, #2D2400, #3D3000); }
[data-theme="dark"] .badge-summary-text { color: var(--gray-700); }
[data-theme="dark"] .settings-item { background: var(--gray-100) !important; color: var(--gray-700); }
[data-theme="dark"] .settings-item select { background: var(--gray-200); color: var(--gray-700); border-color: var(--gray-300); }
[data-theme="dark"] .settings-section-title { color: var(--gray-500); }
[data-theme="dark"] .settings-item.danger span { color: #f87171 !important; }
[data-theme="dark"] .toggle-slider { background: var(--gray-300); }
[data-theme="dark"] .theme-btn { border-color: var(--gray-300); color: var(--gray-500); }
[data-theme="dark"] .theme-btn.active { background: var(--grad-coral); border-color: transparent; color: white; }
[data-theme="dark"] .points-history-item { border-color: var(--gray-200); }
[data-theme="dark"] .modal-title { color: var(--gray-700); }
[data-theme="dark"] .modal-desc { color: var(--gray-500); }
[data-theme="dark"] .modal-input { background: var(--gray-200); border-color: var(--gray-300); color: var(--gray-700); }
[data-theme="dark"] .modal-btn.cancel { background: var(--gray-200); color: var(--gray-500); }
[data-theme="dark"] .av-opt { background: var(--gray-200); }
[data-theme="dark"] .av-opt.selected { background: #3D1A10; }
[data-theme="dark"] ::-webkit-scrollbar-track { background: var(--gray-100); }
[data-theme="dark"] ::-webkit-scrollbar-thumb { background: var(--gray-300); }

/* ===== 商店皮肤：海洋主题 ===== */
[data-skin="ocean"] {
  --primary:      #0288D1;
  --primary-light:#E1F5FE;
  --coral:        #0288D1;
  --coral-dark:   #01579B;
  --teal:         #00ACC1;
  --bg-body:      #E8F4FD;
  --grad-coral:   linear-gradient(135deg, #0288D1 0%, #00ACC1 100%);
  --grad-ocean:   linear-gradient(135deg, #01579B 0%, #0288D1 100%);
  --grad-sunrise: linear-gradient(135deg, #0288D1 0%, #00BCD4 50%, #00ACC1 100%);
}
[data-skin="ocean"] .home-header,
[data-skin="ocean"] .profile-header { background: linear-gradient(135deg, #01579B 0%, #0288D1 100%); }
[data-skin="ocean"] .modal-btn.confirm,
[data-skin="ocean"] .quiz-submit-btn { background: linear-gradient(135deg, #0288D1 0%, #00ACC1 100%); }

/* ===== 商店皮肤：森林主题 ===== */
[data-skin="forest"] {
  --primary:      #2E7D32;
  --primary-light:#E8F5E9;
  --coral:        #388E3C;
  --coral-dark:   #1B5E20;
  --teal:         #00897B;
  --bg-body:      #F1F8F1;
  --grad-coral:   linear-gradient(135deg, #388E3C 0%, #00897B 100%);
  --grad-ocean:   linear-gradient(135deg, #1B5E20 0%, #2E7D32 100%);
  --grad-sunrise: linear-gradient(135deg, #2E7D32 0%, #43A047 50%, #00897B 100%);
}
[data-skin="forest"] .home-header,
[data-skin="forest"] .profile-header { background: linear-gradient(135deg, #1B5E20 0%, #2E7D32 100%); }
[data-skin="forest"] .modal-btn.confirm,
[data-skin="forest"] .quiz-submit-btn { background: linear-gradient(135deg, #388E3C 0%, #00897B 100%); }

/* ===== 设置页：关于区块 ===== */
.settings-about-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 24px 18px 10px;
  margin-top: 4px;
}
.about-version {
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-400);
  letter-spacing: 0.5px;
}
.about-beian {
  font-size: 12px;
  color: var(--gray-300);
}
.about-beian a {
  color: var(--gray-400);
  text-decoration: none;
  transition: color 0.2s;
}
.about-beian a:hover { color: var(--primary); }

/* ===== 协议弹窗 ===== */
.agreement-modal-content {
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  padding: 24px 20px 20px;
}
.agreement-body {
  flex: 1;
  overflow-y: auto;
  font-size: 13px;
  line-height: 1.8;
  color: var(--gray-600);
  margin: 12px 0 20px;
  padding-right: 4px;
  text-align: left;
  max-height: calc(80vh - 130px);
  -webkit-overflow-scrolling: touch;
}
.agreement-body h3 {
  font-size: 14px;
  font-weight: 800;
  color: var(--gray-700);
  margin: 16px 0 6px;
}
.agreement-body h3:first-child { margin-top: 0; }
.agreement-body p { margin: 0 0 8px; }
.agreement-body ul { margin: 0 0 8px; padding-left: 18px; }
.agreement-body li { margin-bottom: 4px; }

/* 暗色模式适配 */
[data-theme="dark"] .about-version { color: var(--gray-400); }
[data-theme="dark"] .about-beian a { color: var(--gray-400); }
[data-theme="dark"] .about-beian a:hover { color: var(--primary); }
[data-theme="dark"] .agreement-body { color: var(--gray-500); }
[data-theme="dark"] .agreement-body h3 { color: var(--gray-600); }