/* ===== LUMI DESIGN SYSTEM ===== */
:root {
  --bg: #FFF5EB;
  --bg-card: #FFFFFF;
  --sidebar-bg: #FFFFFF;
  --sidebar-active: #FFF0E0;
  --text: #2D2A32;
  --text2: #7A7580;
  --text3: #B0AAB5;
  --orange: #FF8C42;
  --orange-light: #FFB380;
  --orange-dark: #E07030;
  --pink: #FF6B8A;
  --purple: #9B6DFF;
  --blue: #4DA6FF;
  --green: #4CD964;
  --yellow: #FFD166;
  --red: #FF5252;
  --teal: #2DD4BF;
  --card-radius: 20px;
  --card-radius-sm: 14px;
  --btn-radius: 14px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.10);
  --shadow-xl: 0 16px 48px rgba(31,38,80,.16);
  /* ===== GLASS TOKENS ===== */
  --glass-bg: linear-gradient(135deg, rgba(255,255,255,.50) 0%, rgba(255,255,255,.24) 48%, rgba(255,255,255,.36) 100%);
  --glass-bg-soft: linear-gradient(135deg, rgba(255,255,255,.36) 0%, rgba(255,255,255,.16) 100%);
  --glass-bg-strong: linear-gradient(135deg, rgba(255,255,255,.66) 0%, rgba(255,255,255,.46) 100%);
  --glass-border: rgba(255,255,255,.9);
  --glass-blur: blur(24px) saturate(180%);
  --glass-shadow: 0 10px 34px rgba(90,70,140,.16);
  --glass-inset: inset 0 1px 0 rgba(255,255,255,.95), inset 0 -1px 1px rgba(255,255,255,.4);
  --font: 'Nunito', 'SF Pro Display', -apple-system, 'PingFang SC', 'Noto Sans SC', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  width: 100%; height: 100%;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== LAYOUT ===== */
#app {
  width: 100%; height: 100%;
  display: flex;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ===== SIDEBAR ===== */
.sidebar {
  width: 72px;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 0 24px 24px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0;
  gap: 8px;
  flex-shrink: 0;
  box-shadow: 2px 0 24px rgba(0,0,0,.06);
  border-right: 1px solid rgba(255,255,255,.5);
  z-index: 10;
}
.sidebar-logo {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--orange), var(--pink));
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800; color: #fff;
  margin-bottom: 16px;
  box-shadow: 0 4px 12px rgba(255,140,66,.3);
}
.sidebar-item {
  width: 48px; height: 48px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all .25s ease;
  font-size: 20px;
  position: relative;
  color: var(--text3);
}
.sidebar-item:hover { background: #FFF5EB; color: var(--orange); }
.sidebar-item.active {
  background: var(--sidebar-active);
  color: var(--orange);
  box-shadow: 0 2px 8px rgba(255,140,66,.15);
}
.sidebar-coins {
  margin-top: auto;
  background: linear-gradient(135deg, #FFF3E0, #FFE0B2);
  border-radius: 14px;
  padding: 8px 6px;
  text-align: center;
  width: 52px;
}
.sidebar-coins-num { font-size: 16px; font-weight: 800; color: var(--orange-dark); }
.sidebar-coins-label { font-size: 8px; color: var(--text2); font-weight: 600; }

/* ===== MAIN CONTENT ===== */
.main-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px 40px;
  min-width: 0;
}
.main-content::-webkit-scrollbar { width: 4px; }
.main-content::-webkit-scrollbar-thumb { background: rgba(0,0,0,.1); border-radius: 4px; }

/* ===== TOP HEADER ===== */
.top-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0 20px;
  gap: 16px;
  flex-wrap: wrap;
}
.top-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.top-avatar {
  width: 44px; height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, #FFE0B2, #FFCC80);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
}
.top-greeting { font-size: 20px; font-weight: 800; color: var(--text); }
.top-sub { font-size: 12px; color: var(--text2); font-weight: 500; }
.top-badges {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}
.badge-level { background: #FFF3E0; color: var(--orange-dark); }
.badge-streak { background: #FFF8E1; color: #F57F17; }
.badge-hearts { display: flex; gap: 2px; font-size: 16px; }
.top-search {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 14px;
  padding: 8px 16px;
  gap: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
  border: 1px solid rgba(255,255,255,.5);
}
.top-search input {
  border: none; outline: none;
  font-size: 13px;
  color: var(--text);
  background: transparent;
  width: 140px;
  font-family: var(--font);
}
.top-search input::placeholder { color: var(--text3); }

/* ===== VIEWS ===== */
.view {
  display: none;
  flex-direction: column;
  animation: pageIn .35s ease;
}
.view.active { display: flex; }
@keyframes pageIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* ===== HOME DASHBOARD ===== */
.home-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 20px;
  margin-bottom: 20px;
}
@media (max-width: 800px) {
  .home-grid { grid-template-columns: 1fr; }
}

/* Hero Card */
.hero-card {
  background: linear-gradient(135deg, #FFB347, #FF8C42);
  border-radius: var(--card-radius);
  padding: 28px 32px;
  position: relative;
  overflow: hidden;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(255,140,66,.25);
  border: 1px solid rgba(255,255,255,.3);
}
.hero-card::before {
  content: '';
  position: absolute;
  right: -20px; top: -20px;
  width: 200px; height: 200px;
  background: rgba(255,255,255,.12);
  border-radius: 50%;
}
.hero-card::after {
  content: '';
  position: absolute;
  right: 40px; bottom: -30px;
  width: 120px; height: 120px;
  background: rgba(255,255,255,.08);
  border-radius: 50%;
}
.hero-label {
  font-size: 11px;
  font-weight: 800;
  color: rgba(255,255,255,.7);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.hero-title {
  font-size: 32px;
  font-weight: 900;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 8px;
  letter-spacing: -.5px;
}
.hero-title span { font-style: italic; }
.hero-desc {
  font-size: 14px;
  color: rgba(255,255,255,.8);
  margin-bottom: 20px;
  max-width: 320px;
  line-height: 1.5;
}
.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #2D2A32;
  color: #fff;
  border: none;
  border-radius: 14px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all .25s;
  font-family: var(--font);
  align-self: flex-start;
}
.hero-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,.2); }
.hero-mascot {
  position: absolute;
  right: 30px; top: 50%;
  transform: translateY(-50%);
  font-size: 100px;
  z-index: 1;
}

/* Word of the Day */
.wotd-card {
  background: rgba(45,42,50,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--card-radius);
  padding: 24px;
  color: #fff;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 8px 32px rgba(0,0,0,.15);
}
.wotd-label {
  font-size: 10px;
  font-weight: 800;
  color: rgba(255,255,255,.5);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.wotd-word {
  font-size: 36px;
  font-weight: 900;
  margin-bottom: 2px;
}
.wotd-phonetic {
  font-size: 13px;
  color: rgba(255,255,255,.4);
  margin-bottom: 16px;
}
.wotd-img {
  width: 100%;
  height: 80px;
  background: linear-gradient(135deg, #4CD964, #2DD4BF);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  margin-bottom: 12px;
}
.wotd-progress {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: rgba(255,255,255,.5);
  margin-bottom: 6px;
}
.wotd-bar {
  width: 100%;
  height: 6px;
  background: rgba(255,255,255,.1);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 14px;
}
.wotd-bar-fill {
  height: 100%;
  background: var(--orange);
  border-radius: 3px;
  transition: width .8s ease;
}
.wotd-actions {
  display: flex;
  gap: 8px;
}
.wotd-btn {
  flex: 1;
  padding: 10px;
  border-radius: 12px;
  border: none;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all .25s;
  font-family: var(--font);
}
.wotd-btn-listen { background: rgba(255,255,255,.1); color: #fff; }
.wotd-btn-practice { background: var(--orange); color: #fff; }
.wotd-btn:hover { transform: translateY(-1px); }

/* Continue Learning */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.section-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
}
.section-link {
  font-size: 13px;
  color: var(--orange);
  font-weight: 700;
  cursor: pointer;
}
.section-link:hover { text-decoration: underline; }

.course-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 24px;
}
@media (max-width: 600px) {
  .course-grid { grid-template-columns: 1fr; }
}
.course-card {
  border-radius: var(--card-radius);
  padding: 20px;
  cursor: pointer;
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
  color: #fff;
}
.course-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.course-card:active { transform: scale(.97); }
.course-card-blue { background: linear-gradient(135deg, #4DA6FF, #2D8BDB); }
.course-card-purple { background: linear-gradient(135deg, #9B6DFF, #7B52E0); }
.course-card-pink { background: linear-gradient(135deg, #FF6B8A, #E05070); }
.course-card-green { background: linear-gradient(135deg, #4CD964, #38B850); }
.course-card-icon {
  position: absolute;
  right: 14px; top: 14px;
  width: 36px; height: 36px;
  background: rgba(255,255,255,.2);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.course-card-name { font-size: 16px; font-weight: 800; margin-bottom: 2px; }
.course-card-sub { font-size: 11px; opacity: .7; margin-bottom: 14px; }
.course-card-bar {
  width: 100%; height: 6px;
  background: rgba(255,255,255,.2);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}
.course-card-bar-fill {
  height: 100%;
  background: #fff;
  border-radius: 3px;
  transition: width .8s ease;
}
.course-card-footer {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  opacity: .8;
  font-weight: 600;
}

/* Mini game cards */
.mini-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 24px;
}
.mini-card {
  border-radius: var(--card-radius);
  padding: 18px 20px;
  cursor: pointer;
  transition: all .3s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #fff;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: 0 4px 16px rgba(0,0,0,.08);
}
.mini-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.mini-card:active { transform: scale(.97); }
.mini-card-orange { background: linear-gradient(135deg, #FFB347, #FF8C42); }
.mini-card-teal { background: linear-gradient(135deg, #2DD4BF, #1AB8A0); }
.mini-card-name { font-size: 15px; font-weight: 800; }
.mini-card-sub { font-size: 11px; opacity: .7; }
.mini-card-icon {
  width: 44px; height: 44px;
  background: rgba(255,255,255,.2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.mini-card-play {
  width: 32px; height: 32px;
  background: rgba(255,255,255,.25);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  position: absolute;
  right: 14px; bottom: 14px;
}

/* Stars section */
.stars-card {
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--card-radius);
  padding: 20px 24px;
  box-shadow: 0 4px 16px rgba(0,0,0,.06);
  border: 1px solid rgba(255,255,255,.6);
}
.stars-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.stars-title { font-size: 15px; font-weight: 800; color: var(--text); }
.stars-count { font-size: 14px; font-weight: 800; color: var(--orange); }
.stars-row { display: flex; gap: 6px; margin-bottom: 8px; }
.star-icon { font-size: 28px; }
.star-icon.empty { opacity: .2; }
.stars-hint { font-size: 12px; color: var(--text2); }
.stars-hint b { color: var(--orange); font-weight: 700; }

/* ===== PAGE HEADER ===== */
.page-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.back-btn {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.5);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 16px;
  color: var(--text2);
  transition: all .25s;
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.back-btn:hover { background: #FFF5EB; color: var(--orange); }
.page-title { font-size: 22px; font-weight: 800; color: var(--text); }

/* ===== LOGIN ===== */
#view-login {
  justify-content: center;
  align-items: center;
  padding: 24px;
  min-height: 100vh;
}
.login-container { width: 100%; max-width: 380px; text-align: center; }
.login-logo {
  width: 80px; height: 80px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--orange), var(--pink));
  border-radius: 22px;
  display: flex; align-items: center; justify-content: center;
  font-size: 36px;
  box-shadow: 0 8px 24px rgba(255,140,66,.3);
  animation: float 4s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.login-title {
  font-size: 28px;
  font-weight: 900;
  color: var(--text);
  margin-bottom: 6px;
}
.login-subtitle {
  font-size: 14px;
  color: var(--text2);
  margin-bottom: 32px;
}
.login-form {
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--card-radius);
  padding: 28px 24px;
  box-shadow: 0 8px 32px rgba(0,0,0,.1);
  border: 1px solid rgba(255,255,255,.6);
}
.ig { position: relative; margin-bottom: 12px; }
.ig .ic {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  font-size: 16px; opacity: .4; z-index: 2;
}
.ig input {
  width: 100%;
  padding: 14px 14px 14px 42px;
  border: 2px solid #F0ECE6;
  border-radius: var(--btn-radius);
  background: #FAFAF8;
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: all .25s;
  font-family: var(--font);
}
.ig input::placeholder { color: var(--text3); }
.ig input:focus { border-color: var(--orange); background: #fff; box-shadow: 0 0 0 4px rgba(255,140,66,.1); }
.login-btn {
  width: 100%;
  padding: 15px;
  border: none;
  border-radius: var(--btn-radius);
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  cursor: pointer;
  margin-top: 8px;
  background: linear-gradient(135deg, var(--orange), var(--pink));
  box-shadow: 0 6px 20px rgba(255,140,66,.3);
  transition: all .25s;
  font-family: var(--font);
}
.login-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(255,140,66,.4); }
.login-btn:active { transform: translateY(0) scale(.98); }
.login-error { color: var(--red); font-size: 13px; margin-top: 10px; min-height: 20px; font-weight: 600; }

/* ===== LEVEL UNLOCK ===== */
#view-level-unlock { justify-content: center; align-items: center; padding: 24px; min-height: 100vh; }
.uc { width: 100%; max-width: 380px; text-align: center; }
.uc-icon { font-size: 56px; margin-bottom: 16px; animation: float 4s ease-in-out infinite; }
.uc-title { font-size: 24px; font-weight: 800; color: var(--text); margin-bottom: 6px; }
.uc-sub { font-size: 14px; color: var(--text2); margin-bottom: 24px; }
.uc-form {
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--card-radius);
  padding: 24px;
  box-shadow: 0 8px 32px rgba(0,0,0,.1);
  border: 1px solid rgba(255,255,255,.6);
}
.uc-form input {
  width: 100%; padding: 14px;
  border: 2px solid #F0ECE6;
  border-radius: var(--btn-radius);
  background: #FAFAF8;
  color: var(--text);
  font-size: 18px;
  outline: none;
  text-align: center;
  margin-bottom: 16px;
  font-family: var(--font);
  letter-spacing: 4px;
}
.uc-form input::placeholder { color: var(--text3); letter-spacing: 1px; }
.uc-form input:focus { border-color: var(--orange); }
.uc-btns { display: flex; gap: 10px; }
.uc-btns button {
  flex: 1; padding: 13px;
  border: none; border-radius: var(--btn-radius);
  font-size: 14px; font-weight: 700;
  cursor: pointer; transition: all .25s;
  font-family: var(--font);
}
.btn-cf { background: linear-gradient(135deg, var(--orange), var(--pink)); color: #fff; box-shadow: 0 4px 16px rgba(255,140,66,.3); }
.btn-cn { background: #F5F0EB; color: var(--text2); }

/* ===== LEVEL GRID ===== */
.lg {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 12px;
}
.lc {
  aspect-ratio: 1;
  border-radius: var(--card-radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.lc:hover { transform: translateY(-4px); }
.lc:active { transform: scale(.94); }
.lc.locked { background: #F0ECE6; opacity: .5; }
.lc.unlocked { background: rgba(255,255,255,.85); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); box-shadow: 0 4px 16px rgba(0,0,0,.06); border: 1px solid rgba(255,255,255,.6); }
.lc.completed { background: linear-gradient(135deg, rgba(232,245,233,.9), rgba(200,230,201,.9)); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border: 1px solid rgba(165,214,167,.5); }
.lc-icon { font-size: 24px; margin-bottom: 4px; }
.lc-name { font-size: 11px; font-weight: 700; color: var(--text); }
.lc-stars { font-size: 10px; margin-top: 2px; }

/* ===== WORD LEARN ===== */
.wl-book {
  margin-left: auto;
  padding: 6px 12px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid #F0ECE6;
  color: var(--text2);
  font-size: 13px;
  cursor: pointer;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}
.wl-book-panel {
  position: fixed;
  top: 80px; right: 24px;
  z-index: 60;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 14px;
  padding: 8px;
  display: none;
  max-height: 60vh;
  overflow-y: auto;
  min-width: 180px;
  box-shadow: 0 8px 32px rgba(0,0,0,.12);
  border: 1px solid rgba(255,255,255,.6);
}
.wl-book-panel.show { display: block; }
.wl-book-item {
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.wl-book-item:hover { background: #FFF5EB; }
.wl-book-item.cur { color: var(--orange); font-weight: 700; }

.lhi {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.lb {
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--orange), var(--pink));
  box-shadow: 0 3px 10px rgba(255,140,66,.25);
}
.wl { flex: 1; }
.wi {
  display: flex;
  align-items: center;
  padding: 16px 18px;
  margin-bottom: 8px;
  border-radius: var(--card-radius-sm);
  cursor: pointer;
  transition: all .25s;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.6);
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
  position: relative;
  overflow: hidden;
}
.wi::before {
  content: '';
  position: absolute;
  left: 0; top: 0;
  width: 4px; height: 100%;
  border-radius: 4px 0 0 4px;
}
.wi:nth-child(1)::before { background: var(--pink); }
.wi:nth-child(2)::before { background: var(--blue); }
.wi:nth-child(3)::before { background: var(--green); }
.wi:nth-child(4)::before { background: var(--orange); }
.wi:nth-child(5)::before { background: var(--purple); }
.wi:nth-child(6)::before { background: var(--teal); }
.wi:nth-child(7)::before { background: var(--yellow); }
.wi:active { transform: scale(.97); }
.wt { flex: 1; font-size: 17px; font-weight: 800; color: var(--text); }
.wm { font-size: 13px; color: var(--text2); margin-left: 12px; display: none; font-weight: 500; }
.wm.show { display: block; }
.wbl { font-size: 20px; margin-left: 12px; cursor: pointer; flex-shrink: 0; }
.wbl.lit { filter: drop-shadow(0 0 6px rgba(255,209,102,.6)); }

.la { display: flex; gap: 10px; margin-top: 16px; }
.la button {
  flex: 1; padding: 13px;
  border: none; border-radius: var(--btn-radius);
  font-size: 14px; font-weight: 700;
  cursor: pointer; transition: all .25s;
  font-family: var(--font);
}
.btn-sh { background: #F5F0EB; color: var(--text2); }
.btn-sh:hover { background: #EDE7E0; }
.btn-nl { background: linear-gradient(135deg, var(--green), var(--teal)); color: #fff; box-shadow: 0 4px 16px rgba(76,217,100,.3); }
.btn-nl:disabled { opacity: .3; cursor: not-allowed; }

/* ===== REVIEW MODE SELECT ===== */
.rmg { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.rmc {
  padding: 32px 20px;
  text-align: center;
  border-radius: var(--card-radius);
  cursor: pointer;
  transition: all .3s ease;
  color: #fff;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: 0 4px 16px rgba(0,0,0,.08);
}
.rmc:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.rmc:active { transform: scale(.96); }
.rmc1 { background: linear-gradient(135deg, #FF6B8A, #E05070); }
.rmc2 { background: linear-gradient(135deg, #4DA6FF, #2D8BDB); }
.rmc-icon { font-size: 36px; margin-bottom: 10px; }
.rmc-name { font-size: 16px; font-weight: 800; }

/* ===== MATCH ===== */
.mc { display: flex; gap: 10px; flex: 1; }
.mcol { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.mi {
  padding: 12px 10px;
  border-radius: var(--card-radius-sm);
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all .25s;
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 2px solid #F0ECE6;
  color: var(--text);
}
.mi.ws { border-color: rgba(255,107,138,.2); }
.mi.ms2 { border-color: rgba(77,166,255,.2); }
.mi.sel { transform: scale(1.04); }
.mi.ws.sel { border-color: var(--pink); background: #FFF0F3; }
.mi.ms2.sel { border-color: var(--blue); background: #F0F7FF; }
.mi.mat { opacity: .35; pointer-events: none; background: #E8F5E9 !important; border-color: #A5D6A7 !important; }
@keyframes shake { 0%,100%{transform:translateX(0)} 20%{transform:translateX(-4px)} 40%{transform:translateX(4px)} 60%{transform:translateX(-3px)} 80%{transform:translateX(3px)} }
.mi.shake { animation: shake .4s ease; }

/* ===== QUICK ===== */
.qwd { text-align: center; padding: 24px 0 16px; }
.qww { font-size: 32px; font-weight: 900; color: var(--text); margin-bottom: 4px; }
.qwp { font-size: 14px; color: var(--text3); font-weight: 500; }
.qo { display: flex; flex-direction: column; gap: 8px; }
.qoi {
  padding: 14px 18px;
  border-radius: var(--btn-radius);
  background: #fff;
  border: 2px solid #F0ECE6;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  transition: all .25s;
  text-align: center;
  font-weight: 600;
  font-family: var(--font);
}
.qoi:hover { border-color: var(--orange); background: #FFFAF5; }
.qoi.correct { background: #E8F5E9 !important; border-color: var(--green) !important; color: var(--green); font-weight: 700; }
.qoi.wrong { background: #FFEBEE !important; border-color: var(--red) !important; color: var(--red); }

/* ===== GAME SELECT ===== */
.gmg { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.gmc {
  padding: 26px 16px;
  text-align: center;
  border-radius: var(--card-radius);
  cursor: pointer;
  transition: all .3s ease;
  color: #fff;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: 0 4px 16px rgba(0,0,0,.08);
}
.gmc:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.gmc:active { transform: scale(.96); }
.gmc1 { background: linear-gradient(135deg, #FF6B8A, #E05070); }
.gmc2 { background: linear-gradient(135deg, #4DA6FF, #2D8BDB); }
.gmc3 { background: linear-gradient(135deg, #4CD964, #38B850); }
.gmc4 { background: linear-gradient(135deg, #FFB347, #FF8C42); }
.gmc-icon { font-size: 28px; margin-bottom: 8px; }
.gmc-name { font-size: 15px; font-weight: 800; }

/* ===== FLIP ===== */
.fg { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.fc { aspect-ratio: 1; border-radius: var(--card-radius-sm); cursor: pointer; perspective: 600px; }
.fci { width: 100%; height: 100%; position: relative; transform-style: preserve-3d; transition: transform .5s ease; }
.fc.flipped .fci { transform: rotateY(180deg); }
.fcf, .fcb {
  position: absolute; width: 100%; height: 100%;
  backface-visibility: hidden;
  border-radius: var(--card-radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700;
  padding: 6px; text-align: center; word-break: break-all;
}
.fcf { background: linear-gradient(135deg, var(--orange), var(--pink)); color: #fff; font-size: 18px; }
.fcb { transform: rotateY(180deg); }
.fcb.en { background: #FFF0F3; color: var(--pink); border: 2px solid rgba(255,107,138,.2); }
.fcb.zh { background: #F0F7FF; color: var(--blue); border: 2px solid rgba(77,166,255,.2); }
.fc.matched { opacity: .3; pointer-events: none; }

/* ===== TRANSLATE ===== */
.td { text-align: center; padding: 24px 0 16px; }
.tdw { font-size: 28px; font-weight: 900; color: var(--text); margin-bottom: 4px; }
.to { display: flex; flex-direction: column; gap: 8px; }
.toi {
  padding: 14px 18px;
  border-radius: var(--btn-radius);
  background: #fff;
  border: 2px solid #F0ECE6;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  transition: all .25s;
  text-align: center;
  font-weight: 600;
  font-family: var(--font);
}
.toi:hover { border-color: var(--orange); }
.toi.correct { background: #E8F5E9 !important; border-color: var(--green) !important; color: var(--green); }
.toi.wrong { background: #FFEBEE !important; border-color: var(--red) !important; color: var(--red); }

/* ===== BOOK ===== */
.bl { display: flex; flex-direction: column; gap: 10px; }
.bi {
  padding: 18px 20px;
  border-radius: var(--card-radius);
  cursor: pointer;
  transition: all .3s ease;
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.5);
  box-shadow: var(--shadow-sm);
}
.bi:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.bi:active { transform: scale(.98); }
.bi-icon { font-size: 24px; }
.bi-info { flex: 1; }
.bi-name { font-size: 15px; font-weight: 800; color: var(--text); }
.bi-count { font-size: 11px; color: var(--text2); margin-top: 2px; }
.bi-sel {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 10px;
  background: #E8F5E9;
  color: var(--green);
  font-weight: 700;
}

/* ===== WRONG ===== */
.wrl { display: flex; flex-direction: column; gap: 8px; }
.wri {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  border-radius: var(--card-radius-sm);
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.5);
  box-shadow: var(--shadow-sm);
}
.wr-word { flex: 1; font-size: 15px; font-weight: 800; color: var(--text); cursor: pointer; }
.wr-mean { font-size: 12px; color: var(--text2); margin-left: 12px; display: none; font-weight: 500; }
.wr-mean.show { display: block; }
.wr-del {
  width: 30px; height: 30px;
  border-radius: 10px;
  background: #FFEBEE;
  border: none;
  color: var(--red);
  font-size: 14px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all .25s;
  flex-shrink: 0;
  margin-left: 10px;
}
.wr-del:hover { background: #FFCDD2; }
.wr-empty { text-align: center; padding: 60px 20px; color: var(--text3); }
.wr-empty-icon { font-size: 48px; margin-bottom: 12px; opacity: .5; }

/* ===== MINE ===== */
.mh {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.mb-brand { font-size: 20px; font-weight: 900; color: var(--text); }
.mu { display: flex; align-items: center; gap: 10px; }
.mu-av {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, #FFE0B2, #FFCC80);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.mu-name { font-size: 14px; font-weight: 700; color: var(--text); }
.ps { margin-bottom: 20px; }
.pr { display: flex; gap: 10px; }
.pc {
  flex: 1;
  padding: 18px 10px;
  text-align: center;
  border-radius: var(--card-radius);
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.5);
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
}
.pv { font-size: 24px; font-weight: 900; color: var(--text); }
.pl { font-size: 10px; color: var(--text2); margin-top: 4px; font-weight: 600; }
/* 积分明细卡片 */
.pd-card { margin-bottom: 20px; padding: 16px; border-radius: var(--card-radius); background: rgba(255,255,255,.85); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,.5); box-shadow: 0 2px 8px rgba(0,0,0,.04); }
.pd-head { font-size: 15px; font-weight: 800; color: var(--text); margin-bottom: 12px; }
.pd-list { max-height: 320px; overflow-y: auto; }
.pd-item { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 4px; border-bottom: 1px solid rgba(0,0,0,.05); }
.pd-item:last-child { border-bottom: none; }
.pd-main { flex: 1; min-width: 0; }
.pd-src { font-size: 13px; font-weight: 700; color: var(--text); }
.pd-sub { font-size: 11px; color: var(--text3); margin-top: 2px; word-break: break-all; }
.pd-val { font-size: 16px; font-weight: 900; flex-shrink: 0; }
.pd-earn { color: #00b578; }
.pd-deduct { color: #f56c6c; }
.pd-empty { text-align: center; padding: 24px; color: var(--text3); font-size: 13px; }
.prnt-s h3 { font-size: 15px; font-weight: 800; color: var(--text); margin-bottom: 12px; }
.prnt-i {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  margin-bottom: 8px;
  border-radius: var(--card-radius-sm);
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.5);
  cursor: pointer;
  transition: all .25s;
}
.prnt-i:hover { background: #FFFAF5; border-color: var(--orange); }
.prnt-in { flex: 1; font-size: 14px; font-weight: 700; color: var(--text); }
.logout-s { margin-top: 24px; }
.logout-btn {
  width: 100%;
  padding: 14px;
  border-radius: var(--btn-radius);
  border: 2px solid #FFCDD2;
  background: #FFEBEE;
  color: var(--red);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all .25s;
  font-family: var(--font);
}
.logout-btn:hover { background: #FFCDD2; }

/* ===== PRINT PAGE ===== */
.print-content { padding-bottom: 80px; }
.print-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.print-title { font-size: 18px; font-weight: 800; color: var(--text); }
.print-count { font-size: 13px; color: var(--text2); }
.print-section {
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--card-radius-sm);
  padding: 14px 16px;
  margin-bottom: 12px;
  border: 1px solid rgba(255,255,255,.5);
}
.print-section-label { font-size: 11px; color: var(--text3); margin-bottom: 10px; font-weight: 600; }
.print-course-row { display: flex; justify-content: space-between; align-items: center; }
.print-course-name { font-size: 15px; font-weight: 700; color: var(--text); }
.print-link { color: var(--blue); font-size: 13px; font-weight: 700; cursor: pointer; }
.print-block-label { font-size: 12px; font-weight: 700; color: var(--text2); margin: 16px 0 8px; }
.print-tabs { display: flex; gap: 0; margin-bottom: 12px; background: #F5F0EB; border-radius: 12px; overflow: hidden; }
.print-tab {
  flex: 1; text-align: center; padding: 10px 0;
  font-size: 13px; font-weight: 700;
  color: var(--text3); cursor: pointer;
  transition: all .25s; border: none; background: none;
  font-family: var(--font);
}
.print-tab.active { background: var(--orange); color: #fff; border-radius: 12px; }
.print-mode-panel { display: none; }
.print-mode-panel.active { display: block; }
.print-level-row { display: flex; align-items: center; gap: 8px; padding: 14px 16px; background: rgba(255,255,255,.85); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-radius: var(--card-radius-sm); border: 1px solid rgba(255,255,255,.5); }
.print-level-row label { font-size: 14px; color: var(--text); font-weight: 700; }
.print-level-row select {
  padding: 8px 12px; border-radius: 8px;
  border: 2px solid #F0ECE6; background: #FAFAF8;
  color: var(--text); font-size: 14px; outline: none;
  min-width: 80px; font-family: var(--font);
}
.print-range-row { display: flex; align-items: center; padding: 14px 16px; background: rgba(255,255,255,.85); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-radius: var(--card-radius-sm); border: 1px solid rgba(255,255,255,.5); }
.print-range-item { flex: 1; }
.print-range-item label { display: block; font-size: 11px; color: var(--text3); margin-bottom: 6px; font-weight: 600; }
.print-range-item select {
  width: 100%; padding: 8px 10px; border-radius: 8px;
  border: 2px solid #F0ECE6; background: #FAFAF8;
  color: var(--text); font-size: 13px; outline: none;
  font-family: var(--font);
}
.print-hint { padding: 14px 16px; font-size: 13px; color: var(--text2); text-align: center; background: rgba(255,255,255,.85); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-radius: var(--card-radius-sm); border: 1px solid rgba(255,255,255,.5); }
.print-form-types { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 12px; }
.print-form-type {
  padding: 12px 14px; border-radius: 10px;
  border: 2px solid rgba(255,255,255,.4); background: rgba(255,255,255,.85); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  color: var(--text2); font-size: 13px; font-weight: 700;
  text-align: center; cursor: pointer; transition: all .25s;
  font-family: var(--font);
}
.print-form-type.active { border-color: var(--orange); background: #FFF5EB; color: var(--orange-dark); }
.print-form-desc { padding: 12px 16px; font-size: 12px; color: var(--text2); text-align: center; margin-bottom: 12px; background: rgba(255,255,255,.85); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-radius: var(--card-radius-sm); border: 1px solid rgba(255,255,255,.5); }
.print-empty { text-align: center; padding: 40px 20px; color: var(--text3); }
.print-empty-icon { font-size: 28px; margin-bottom: 8px; }
.print-actions {
  position: fixed; bottom: 0; left: 72px; right: 0;
  display: flex; gap: 12px; padding: 16px 24px;
  background: linear-gradient(transparent, var(--bg) 30%);
  z-index: 10;
}
.print-btn-outline {
  flex: 1; padding: 14px; border-radius: 12px;
  border: 2px solid #F0ECE6; background: #fff;
  color: var(--text); font-size: 14px; font-weight: 700;
  cursor: pointer; transition: all .25s;
  font-family: var(--font);
}
.print-btn-outline:hover { border-color: var(--orange); }
.print-btn-primary {
  flex: 1; padding: 14px; border-radius: 12px;
  border: none; background: var(--orange);
  color: #fff; font-size: 14px; font-weight: 700;
  cursor: pointer; transition: all .25s;
  font-family: var(--font);
}
.print-btn-primary:hover { opacity: .9; }

/* ===== GAME ACTIONS ===== */
.ga { display: flex; gap: 10px; margin-top: 16px; }
.ga button {
  flex: 1; padding: 13px;
  border: none; border-radius: var(--btn-radius);
  font-size: 13px; font-weight: 700;
  cursor: pointer; transition: all .25s;
  font-family: var(--font);
}

/* ===== SCORE ===== */
.sd { text-align: center; padding: 8px 0; }
.sb {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 20px;
  background: #FFF8E1;
  color: #F57F17;
  font-size: 13px;
  font-weight: 800;
  border: 1px solid #FFE082;
}

/* ===== TOAST ===== */
.toast {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  padding: 14px 28px;
  border-radius: var(--btn-radius);
  background: rgba(45,42,50,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #fff;
  font-size: 14px;
  z-index: 999;
  border: 1px solid rgba(255,255,255,.1);
  animation: scaleIn .3s ease;
  pointer-events: none;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  font-family: var(--font);
}
@keyframes scaleIn { from { opacity: 0; transform: translate(-50%,-50%) scale(.9); } to { opacity: 1; transform: translate(-50%,-50%) scale(1); } }

/* ===== COMPLETION ===== */
.co {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,.3);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  z-index: 200;
  animation: pageIn .3s ease;
}
.cc {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,.6);
  border-radius: 24px;
  padding: 36px 30px;
  text-align: center;
  max-width: 300px; width: 90%;
  animation: bounceIn .5s ease;
  box-shadow: var(--shadow-xl);
}
@keyframes bounceIn { 0%{transform:scale(.3);opacity:0} 50%{transform:scale(1.05)} 70%{transform:scale(.95)} 100%{transform:scale(1);opacity:1} }
.cc-icon { font-size: 48px; margin-bottom: 12px; }
.cc-title { font-size: 20px; font-weight: 800; color: var(--text); margin-bottom: 6px; }
.cc-sub { font-size: 14px; color: var(--text2); margin-bottom: 20px; }
.cc-btn {
  padding: 12px 32px;
  border: none; border-radius: var(--btn-radius);
  font-size: 15px; font-weight: 700;
  color: #fff; cursor: pointer;
  background: linear-gradient(135deg, var(--orange), var(--pink));
  box-shadow: 0 6px 20px rgba(255,140,66,.3);
  transition: all .25s;
  font-family: var(--font);
}
.cc-btn:hover { transform: translateY(-2px); }

/* ===== LEVEL RESULT ===== */
.lr-wrap { display: flex; flex-direction: column; align-items: center; padding: 20px 0 40px; animation: pageIn .4s ease; }
.lr-stars { font-size: 36px; margin-bottom: 8px; animation: bounceIn .6s ease; }
.lr-title { font-size: 22px; font-weight: 900; color: var(--text); margin-bottom: 20px; }
.lr-card {
  width: 100%; max-width: 320px;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--card-radius);
  padding: 20px 24px;
  margin-bottom: 24px;
  box-shadow: 0 4px 20px rgba(0,0,0,.08);
  border: 1px solid rgba(255,255,255,.6);
}
.lr-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; }
.lr-label { font-size: 14px; color: var(--text2); font-weight: 600; }
.lr-val { font-size: 16px; color: var(--text); font-weight: 800; }
.lr-divider { height: 1px; background: #F0ECE6; margin: 4px 0; }
.lr-total .lr-label { font-size: 16px; color: var(--text); font-weight: 800; }
.lr-total .lr-val { font-size: 22px; color: var(--green); font-weight: 900; }
.lr-btns { display: flex; gap: 12px; width: 100%; max-width: 320px; }
.lr-btn-outline {
  flex: 1; padding: 14px;
  border: 2px solid #F0ECE6; border-radius: var(--btn-radius);
  background: #fff; color: var(--text2);
  font-size: 15px; font-weight: 700;
  cursor: pointer; transition: all .25s;
  font-family: var(--font);
}
.lr-btn-outline:hover { border-color: var(--orange); color: var(--orange); }
.lr-btn-primary {
  flex: 1; padding: 14px;
  border: none; border-radius: var(--btn-radius);
  background: linear-gradient(135deg, var(--green), var(--teal));
  color: #fff; font-size: 15px; font-weight: 700;
  cursor: pointer; box-shadow: 0 6px 20px rgba(76,217,100,.3);
  transition: all .25s;
  font-family: var(--font);
}
.lr-btn-primary:hover { transform: translateY(-2px); }

/* ===== PROGRESS PAGE ===== */
.prog-content { display: flex; flex-direction: column; gap: 14px; }
.prog-overview {
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--card-radius);
  padding: 24px 20px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0,0,0,.06);
  border: 1px solid rgba(255,255,255,.6);
}
.prog-title { font-size: 16px; font-weight: 800; color: var(--text); margin-bottom: 16px; }
.prog-ring-wrap { display: flex; justify-content: center; margin-bottom: 16px; }
.prog-ring { position: relative; width: 120px; height: 120px; }
.prog-ring svg { width: 100%; height: 100%; }
.prog-ring-text { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); text-align: center; }
.prog-ring-pct { display: block; font-size: 24px; font-weight: 900; color: var(--text); }
.prog-ring-label { display: block; font-size: 10px; color: var(--text3); margin-top: 2px; font-weight: 600; }
.prog-stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.prog-stat-item { text-align: center; padding: 10px 4px; border-radius: var(--card-radius-sm); background: #FFF5EB; }
.prog-stat-num { font-size: 20px; font-weight: 900; color: var(--text); }
.prog-stat-label { font-size: 10px; color: var(--text2); margin-top: 4px; font-weight: 600; }
.prog-detail {
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--card-radius);
  padding: 20px;
  box-shadow: 0 4px 16px rgba(0,0,0,.06);
  border: 1px solid rgba(255,255,255,.6);
}
.prog-detail-title { font-size: 14px; font-weight: 800; color: var(--text); margin-bottom: 14px; }
.prog-bar-item { margin-bottom: 14px; }
.prog-bar-item:last-child { margin-bottom: 0; }
.prog-bar-head { display: flex; justify-content: space-between; font-size: 12px; color: var(--text2); margin-bottom: 6px; font-weight: 600; }
.prog-bar-track { width: 100%; height: 8px; background: #F0ECE6; border-radius: 4px; overflow: hidden; }
.prog-bar-fill { height: 100%; border-radius: 4px; transition: width 1s ease; }
.prog-book-info { display: flex; justify-content: space-between; font-size: 13px; color: var(--text2); font-weight: 600; }

/* ===== TEST/ASSESSMENT ===== */
.test-container { width: 100%; max-width: 500px; margin: 0 auto; padding: 20px; display: flex; flex-direction: column; }
.test-header { text-align: center; padding: 16px 0; margin-bottom: 16px; }
.test-title { font-size: 22px; font-weight: 900; color: var(--text); margin-bottom: 6px; }
.test-progress { font-size: 14px; color: var(--text2); font-weight: 600; }
.test-progress span { color: var(--orange); font-weight: 800; }
.test-body { flex: 1; display: flex; flex-direction: column; justify-content: center; padding: 16px 0; }
.test-word {
  font-size: 38px; font-weight: 900; color: var(--text);
  text-align: center; margin-bottom: 20px;
  padding: 24px 20px;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--card-radius);
  border: 2px solid rgba(255,255,255,.5);
  min-height: 100px;
  display: flex; align-items: center; justify-content: center;
  word-break: break-word;
  box-shadow: var(--shadow-sm);
}
.test-options { display: flex; flex-direction: column; gap: 10px; }
.test-option {
  padding: 14px 18px;
  background: #fff;
  border: 2px solid #F0ECE6;
  border-radius: var(--btn-radius);
  color: var(--text);
  font-size: 15px; font-weight: 600;
  cursor: pointer; transition: all .25s;
  text-align: left;
  font-family: var(--font);
}
.test-option:hover:not(.disabled) { border-color: var(--orange); background: #FFFAF5; }
.test-option.selected { background: #FFF5EB; border-color: var(--orange); }
.test-option.correct { background: #E8F5E9 !important; border-color: var(--green) !important; color: var(--green); }
.test-option.wrong { background: #FFEBEE !important; border-color: var(--red) !important; color: var(--red); }
.test-option.disabled { cursor: not-allowed; opacity: .6; }
.test-feedback { text-align: center; padding: 14px; margin-top: 14px; border-radius: var(--btn-radius); font-size: 15px; font-weight: 700; animation: fadeIn .3s ease; }
.test-feedback.correct { background: #E8F5E9; color: var(--green); }
.test-feedback.wrong { background: #FFEBEE; color: var(--red); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.test-btn { padding: 14px 32px; border: none; border-radius: var(--btn-radius); font-size: 15px; font-weight: 700; cursor: pointer; transition: all .25s; font-family: var(--font); }
.test-btn-start { background: linear-gradient(135deg, var(--orange), var(--pink)); color: #fff; width: 100%; margin-top: 16px; box-shadow: 0 6px 20px rgba(255,140,66,.3); }
.test-btn-start:hover { transform: translateY(-2px); }

/* Test Result */
.test-result-container { width: 100%; max-width: 400px; margin: 0 auto; padding: 40px 20px; text-align: center; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.test-result-icon { font-size: 64px; margin-bottom: 16px; }
.test-result-title { font-size: 24px; font-weight: 900; color: var(--text); margin-bottom: 20px; }
.test-result-score {
  font-size: 56px; font-weight: 900;
  background: linear-gradient(135deg, var(--orange), var(--pink));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}
.test-result-vocab-label { font-size: 14px; color: var(--text2); margin-bottom: 10px; }
.test-result-vocab { font-size: 18px; color: var(--green); font-weight: 800; }
.test-result-detail { font-size: 14px; color: var(--text2); margin-bottom: 8px; }
.test-result-detail span { color: var(--orange); font-weight: 700; }
.test-result-level { font-size: 16px; color: var(--orange); font-weight: 700; }
.test-report { width: 100%; margin-top: 16px; background: rgba(255,255,255,.88); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,.5); border-radius: var(--card-radius-sm); padding: 14px 18px; text-align: left; }
.tr-item { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px dashed #F0ECE6; font-size: 13px; }
.tr-item:last-child { border-bottom: none; }
.tr-item span { color: var(--text2); }
.tr-item b { color: var(--text); font-weight: 700; }

/* ===== BIG FUNCTION BLOCKS ===== */
.big-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 600px) {
  .big-grid { grid-template-columns: 1fr; }
}
.big-block {
  border-radius: var(--card-radius);
  padding: 20px;
  cursor: pointer;
  transition: all .3s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #fff;
  position: relative;
  overflow: hidden;
  min-height: 90px;
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: 0 4px 16px rgba(0,0,0,.08);
}
.big-block:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.big-block:active { transform: scale(.97); }
.bb-memorize { background: linear-gradient(135deg, #FFB347, #FF8C42); }
.bb-review { background: linear-gradient(135deg, #4DA6FF, #2D8BDB); }
.bb-game { background: linear-gradient(135deg, #9B6DFF, #7B52E0); }
.bb-progress {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, #4CD964, #38B850);
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
}
.bb-left { display: flex; align-items: center; gap: 14px; }
.bb-icon {
  width: 44px; height: 44px;
  background: rgba(255,255,255,.2);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.bb-text { display: flex; flex-direction: column; }
.bb-name { font-size: 15px; font-weight: 800; }
.bb-sub { font-size: 11px; opacity: .7; margin-top: 2px; }
.bb-right { text-align: right; }
.bb-num { font-size: 28px; font-weight: 900; line-height: 1; }
.bb-unit { font-size: 11px; opacity: .7; margin-top: 4px; }
.bb-bars { display: flex; flex-direction: column; gap: 8px; }
.bb-bar-row { display: flex; align-items: center; gap: 8px; }
.bb-bar-label { font-size: 11px; font-weight: 700; width: 28px; flex-shrink: 0; }
.bb-bar-track {
  flex: 1; height: 6px;
  background: rgba(255,255,255,.2);
  border-radius: 3px;
  overflow: hidden;
}
.bb-bar-fill { height: 100%; border-radius: 3px; transition: width .8s ease; }
.bb-bar-val { font-size: 11px; font-weight: 700; min-width: 36px; text-align: right; }

/* ===== FULLSCREEN VIEWS ===== */
.view-fullscreen {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 50;
  background: var(--bg);
  padding: 24px;
  overflow-y: auto;
}
#app.sidebar-hidden .sidebar {
  display: none;
}
/* Override min-height: 100vh for views inside main-content */
#view-login, #view-forgot, #view-level-unlock {
  min-height: auto;
  height: 100%;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  .sidebar { width: 56px; }
  .sidebar-logo { width: 36px; height: 36px; font-size: 16px; border-radius: 10px; }
  .sidebar-item { width: 40px; height: 40px; font-size: 18px; }
  .sidebar-coins { width: 44px; }
  .main-content { padding: 12px 14px 30px; }
  .top-header { flex-direction: column; align-items: flex-start; }
  .hero-title { font-size: 24px; }
  .hero-mascot { font-size: 60px; right: 10px; }
  .print-actions { left: 56px; }
}

/* ============================================================
   GLASSMORPHISM ENHANCEMENT LAYER
   全面毛玻璃：柔和极光网格背景 + 中性表面磨砂玻璃质感
   （静态融合渐变、无浮动光斑；置于文件末尾覆盖基础样式）
   ============================================================ */

/* 1) 柔和极光网格背景：多色平滑融合（静态、高饱和），为玻璃提供可折射的彩色底 */
body {
  background:
    radial-gradient(60% 54% at 10% 8%, rgba(255,138,56,.82) 0%, transparent 64%),
    radial-gradient(56% 52% at 90% 6%, rgba(255,84,158,.74) 0%, transparent 64%),
    radial-gradient(62% 58% at 84% 84%, rgba(138,86,255,.72) 0%, transparent 66%),
    radial-gradient(58% 56% at 8% 90%, rgba(30,164,255,.70) 0%, transparent 66%),
    radial-gradient(54% 50% at 50% 48%, rgba(10,208,164,.56) 0%, transparent 68%),
    radial-gradient(42% 40% at 62% 20%, rgba(255,196,20,.62) 0%, transparent 68%),
    linear-gradient(140deg, #FFEFDF 0%, #FFE9F1 46%, #E4EBFF 100%);
  background-attachment: fixed;
}

/* 1b) 动态漂浮光斑：高饱和多巴胺色团缓慢漂移，让玻璃折射出流动色彩 */
body::before {
  content: '';
  position: fixed; inset: -15%;
  z-index: 0; pointer-events: none;
  background:
    radial-gradient(46% 44% at 20% 24%, rgba(255,138,56,.60), transparent 60%),
    radial-gradient(42% 40% at 78% 18%, rgba(138,86,255,.54), transparent 60%),
    radial-gradient(48% 46% at 66% 82%, rgba(10,208,164,.52), transparent 60%),
    radial-gradient(38% 36% at 26% 76%, rgba(255,84,158,.52), transparent 60%),
    radial-gradient(36% 34% at 88% 58%, rgba(30,164,255,.48), transparent 60%),
    radial-gradient(34% 32% at 48% 8%, rgba(255,196,20,.54), transparent 60%);
  filter: blur(42px);
  animation: glassFloat 22s ease-in-out infinite alternate;
}
@keyframes glassFloat {
  from { transform: translate3d(0,0,0) scale(1) rotate(0deg); }
  to   { transform: translate3d(0,-32px,0) scale(1.09) rotate(7deg); }
}

/* 2) 全屏视图（测评/结果）：极光磨砂玻璃底（高饱和） */
.view-fullscreen {
  background:
    radial-gradient(70% 60% at 12% 4%, rgba(255,150,80,.50) 0%, transparent 62%),
    radial-gradient(66% 60% at 92% 96%, rgba(140,100,255,.46) 0%, transparent 62%),
    radial-gradient(60% 55% at 88% 6%, rgba(20,200,170,.40) 0%, transparent 62%),
    rgba(255,248,242,.44);
  backdrop-filter: blur(24px) saturate(185%);
  -webkit-backdrop-filter: blur(24px) saturate(185%);
}

/* 3) 侧边栏 / 顶部搜索 / 返回按钮：强化磨砂 */
.sidebar, .top-search, .back-btn {
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-color: var(--glass-border);
  box-shadow: var(--glass-shadow), var(--glass-inset);
}

/* 4) 统一磨砂卡片（原为 rgba 白或实色浅底） */
.stars-card, .pc, .pd-card, .prnt-i, .bi, .wri, .wi,
.lr-card, .prog-overview, .prog-detail, .print-section,
.print-level-row, .print-range-row, .print-hint, .print-form-desc,
.test-report, .test-word, .cc, .login-form, .rf, .uc-form, .wl-book-panel {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow), var(--glass-inset);
}
/* 弹层类需更强不透明度保证可读性 */
.cc, .login-form, .rf, .uc-form, .wl-book-panel { background: var(--glass-bg-strong); }

/* 5) 关卡格子：解锁态磨砂，锁定态半透明 */
.lc.unlocked {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow), var(--glass-inset);
}
.lc.completed {
  background: linear-gradient(135deg, rgba(232,245,233,.72), rgba(200,230,201,.66));
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(165,214,167,.55);
  box-shadow: var(--glass-shadow), var(--glass-inset);
}
.lc.locked { background: rgba(240,236,230,.4); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }

/* 6) 选项 / 输入 / 次要按钮：由实色白改为磨砂玻璃 */
.mi, .qoi, .toi, .test-option, .print-btn-outline, .lr-btn-outline, .wl-book, .btn-cn, .btn-sh {
  background: var(--glass-bg-soft);
  backdrop-filter: blur(20px) saturate(185%);
  -webkit-backdrop-filter: blur(20px) saturate(185%);
  border-color: rgba(255,255,255,.75);
  box-shadow: var(--glass-inset);
}
/* 输入类：清晰玻璃底 + 细边框 */
.ig input, .rf input, .uc-form input, .print-level-row select, .print-range-item select {
  border: 1.5px solid rgba(255,255,255,.9);
  background: rgba(255,255,255,.4);
  backdrop-filter: blur(20px) saturate(185%);
  -webkit-backdrop-filter: blur(20px) saturate(185%);
  box-shadow: var(--glass-inset);
}
.ig input:focus, .rf input:focus, .uc-form input:focus {
  border-color: var(--orange);
  background: rgba(255,255,255,.72);
  box-shadow: 0 0 0 4px rgba(255,140,66,.14), var(--glass-inset);
}
/* 悬停保持玻璃质感 */
.qoi:hover, .toi:hover, .test-option:hover:not(.disabled), .prnt-i:hover, .print-btn-outline:hover, .lr-btn-outline:hover {
  background: rgba(255,255,255,.66);
  border-color: var(--orange);
}
/* 选中反馈态维持语义色（覆盖玻璃底） */
.mi.ws.sel { background: rgba(255,240,243,.9); }
.mi.ms2.sel { background: rgba(240,247,255,.9); }
.test-option.selected { background: rgba(255,245,235,.92); }

/* 7) 进度统计小格 / 打印类型 / tab：磨砂化 */
.prog-stat-item { background: rgba(255,255,255,.5); border: 1px solid rgba(255,255,255,.7); box-shadow: var(--glass-inset); }
.print-form-type { background: rgba(255,255,255,.5); border: 1.5px solid rgba(255,255,255,.75); }
.print-form-type.active { background: rgba(255,245,235,.9); border-color: var(--orange); }
.print-tabs { background: rgba(255,255,255,.42); border: 1px solid rgba(255,255,255,.6); }

/* 8) 徽章 / 标签：半透明玻璃 */
.badge-level, .badge-streak, .sb, .bi-sel {
  backdrop-filter: blur(10px) saturate(150%);
  -webkit-backdrop-filter: blur(10px) saturate(150%);
  box-shadow: var(--glass-inset);
}
.badge-level { background: rgba(255,243,224,.72); border: 1px solid rgba(255,255,255,.7); }
.badge-streak { background: rgba(255,248,225,.72); border: 1px solid rgba(255,255,255,.7); }

/* 9) 彩色渐变卡片：叠加玻璃高光，保留多巴胺配色 */
.hero-card, .course-card, .mini-card, .rmc, .gmc, .big-block {
  border: 1px solid rgba(255,255,255,.38);
  box-shadow: 0 8px 28px rgba(31,38,80,.16), inset 0 1px 0 rgba(255,255,255,.45), inset 0 -14px 30px rgba(255,255,255,.10);
}

/* 10) 尊重系统「减少动态效果」偏好：关闭漂浮动画 */
@media (prefers-reduced-motion: reduce) {
  body::before { animation: none; }
}

/* ============================================================
   APPLE-STYLE FROSTED GLASS BUTTONS
   苹果 iOS/macOS 通透磨砂玻璃按钮：仅改写按钮外观与交互，
   不改动布局、圆角、内边距、模块位置与非按钮颜色
   ============================================================ */
button,
.back-btn, .wl-book {
  background: rgba(255,255,255,.22) !important;
  -webkit-backdrop-filter: blur(16px) !important;
  backdrop-filter: blur(16px) !important;
  border: 1px solid rgba(255,255,255,.40) !important;
  border-top-color: rgba(255,255,255,.80) !important;              /* 细微白色上边框高光 */
  box-shadow: 0 6px 18px rgba(31,38,80,.16), 0 1px 3px rgba(31,38,80,.10), inset 0 1px 0 rgba(255,255,255,.60) !important; /* 多层柔和阴影 + 内高光 */
  color: var(--text) !important;                                   /* 深色文字保证对比度 */
  text-shadow: 0 1px 0 rgba(255,255,255,.35);
  transition: all .22s ease !important;
}
/* hover：透明度略升、模糊不变、轻微放大 scale(1.03) */
button:hover:not(:disabled),
.back-btn:hover, .wl-book:hover {
  background: rgba(255,255,255,.34) !important;
  -webkit-backdrop-filter: blur(16px) !important;
  backdrop-filter: blur(16px) !important;
  transform: scale(1.03) !important;
  box-shadow: 0 10px 26px rgba(31,38,80,.20), 0 2px 6px rgba(31,38,80,.12), inset 0 1px 0 rgba(255,255,255,.65) !important;
}
/* active：点击缩小 scale(0.97) */
button:active:not(:disabled),
.back-btn:active, .wl-book:active {
  transform: scale(.97) !important;
  background: rgba(255,255,255,.28) !important;
}
/* 深色卡片（今日单词）上的按钮保留浅色文字，避免对比不足 */
.wotd-btn, .wotd-btn-listen, .wotd-btn-practice {
  color: #fff !important;
  text-shadow: 0 1px 2px rgba(0,0,0,.35);
}

/* ------------------------------------------------------------
   PRIMARY CTA 主行动按钮：品牌橙粉「有色磨砂玻璃」+ 发光阴影，凸显层级
   （仍为 backdrop-filter 玻璃，仅比次要按钮更醒目）
   ------------------------------------------------------------ */
.hero-btn, .test-btn-start, .login-btn, .btn-cf, .btn-nl,
.lr-btn-primary, .print-btn-primary, .cc-btn, .rb-green, .wotd-btn-practice {
  background: linear-gradient(135deg, rgba(255,140,66,.85), rgba(255,107,138,.80)) !important;
  -webkit-backdrop-filter: blur(16px) saturate(160%) !important;
  backdrop-filter: blur(16px) saturate(160%) !important;
  border: 1px solid rgba(255,255,255,.55) !important;
  border-top-color: rgba(255,255,255,.85) !important;
  box-shadow: 0 10px 26px rgba(255,120,60,.42), 0 2px 6px rgba(0,0,0,.12), inset 0 1px 0 rgba(255,255,255,.55) !important;
  color: #fff !important;
  font-weight: 800 !important;
  text-shadow: 0 1px 2px rgba(0,0,0,.20);
}
.hero-btn:hover:not(:disabled), .test-btn-start:hover:not(:disabled), .login-btn:hover:not(:disabled),
.btn-cf:hover:not(:disabled), .btn-nl:hover:not(:disabled), .lr-btn-primary:hover:not(:disabled),
.print-btn-primary:hover:not(:disabled), .cc-btn:hover:not(:disabled), .rb-green:hover:not(:disabled),
.wotd-btn-practice:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(255,152,78,.94), rgba(255,120,150,.90)) !important;
  transform: scale(1.03) !important;
  box-shadow: 0 14px 34px rgba(255,120,60,.52), 0 3px 8px rgba(0,0,0,.14), inset 0 1px 0 rgba(255,255,255,.60) !important;
}
.hero-btn:active:not(:disabled), .test-btn-start:active:not(:disabled), .login-btn:active:not(:disabled),
.btn-cf:active:not(:disabled), .btn-nl:active:not(:disabled), .lr-btn-primary:active:not(:disabled),
.print-btn-primary:active:not(:disabled), .cc-btn:active:not(:disabled), .rb-green:active:not(:disabled),
.wotd-btn-practice:active:not(:disabled) {
  transform: scale(.97) !important;
  background: linear-gradient(135deg, rgba(255,140,66,.90), rgba(255,107,138,.86)) !important;
}

/* ============================================================
   登录页专项：降低白感，让极光彩色透出
   （用 #view-login 提高特异度，仅影响登录页，不改测评/结果页）
   ============================================================ */
#view-login.view-fullscreen {
  background:
    radial-gradient(72% 62% at 12% 4%, rgba(255,150,80,.44) 0%, transparent 62%),
    radial-gradient(68% 62% at 92% 96%, rgba(140,100,255,.42) 0%, transparent 62%),
    radial-gradient(60% 55% at 88% 6%, rgba(20,200,170,.36) 0%, transparent 62%),
    rgba(255,248,242,.12);
}
#view-login .login-form {
  background: linear-gradient(135deg, rgba(255,255,255,.40) 0%, rgba(255,255,255,.20) 52%, rgba(255,238,246,.28) 100%);
  border-color: rgba(255,255,255,.70);
  box-shadow: 0 18px 50px rgba(60,40,110,.20), var(--glass-inset);
}
#view-login .ig input {
  background: rgba(255,255,255,.28);
  border-color: rgba(255,255,255,.75);
}
#view-login .ig input:focus {
  background: rgba(255,255,255,.60);
}
/* 标题/副标题在彩色底上加白色投影，保证对比度可读 */
#view-login .login-title,
#view-login .login-subtitle {
  text-shadow: 0 1px 3px rgba(255,255,255,.65);
}