/* ==========================================================================
   WeChat Mini-Program Custom Interface Style
   ========================================================================== */

:root {
  --theme-bg: #0d0914;
  --theme-card: #161122;
  --theme-card-border: rgba(138, 79, 255, 0.15);
  
  --text-main: #f1ecf9;
  --text-muted: #9f96b2;
  
  --color-primary: #8a4fff;
  --color-primary-glow: rgba(138, 79, 255, 0.3);
  --color-success: #10b981;
  --color-success-glow: rgba(16, 185, 129, 0.2);
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-danger-glow: rgba(239, 68, 68, 0.2);
  
  --gradient-purple: linear-gradient(135deg, #8a4fff 0%, #632cd8 100%);
  --gradient-dark: linear-gradient(180deg, #110d1b 0%, #0d0914 100%);
  --gradient-pink: linear-gradient(135deg, #ff758c 0%, #ff7eb3 100%);
  --gradient-blue: linear-gradient(135deg, #3a7bd5 0%, #3a6073 100%);
}

/* ==========================================================================
   Global Controls & Button Typography
   ========================================================================== */
.mp-screen, .mp-screen-tab {
  padding: 16px;
  background-color: var(--theme-bg);
  color: var(--text-main);
}

a {
  color: #a78bfa;
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.8;
}

.mp-btn {
  width: 100%;
  padding: 12px;
  border-radius: 25px;
  border: none;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  background: var(--gradient-purple);
  color: #ffffff;
  box-shadow: 0 4px 12px var(--color-primary-glow);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.mp-btn:active {
  transform: scale(0.98);
  opacity: 0.9;
}

.mp-btn.primary-btn {
  background: var(--gradient-purple);
}

/* ==========================================================================
   Register & Login Screen
   ========================================================================== */
.register-header {
  text-align: center;
  padding: 15px 0 25px;
  position: relative;
}

.register-header h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 1px;
  background: linear-gradient(120deg, #c084fc, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
}

.register-header p {
  font-size: 13px;
  color: var(--text-muted);
}

.mascot-img {
  font-size: 56px;
  margin-top: 10px;
  animation: floatMascot 3s ease-in-out infinite;
}

@keyframes floatMascot {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.register-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-bottom: 40px;
}

.input-group {
  display: flex;
  align-items: center;
  background: var(--theme-card);
  border: 1px solid var(--theme-card-border);
  border-radius: 12px;
  padding: 0 14px;
  height: 48px;
  transition: border-color 0.2s;
}

.input-group:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.input-icon {
  font-size: 16px;
  margin-right: 10px;
  color: var(--text-muted);
}

.input-group input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 14px;
  outline: none;
  width: 100%;
}

.input-group input::placeholder {
  color: #635f75;
}

/* SMS Code Group */
.code-group input {
  width: 50%;
}

.get-code-btn {
  background: rgba(138, 79, 255, 0.15);
  color: #a78bfa;
  border: 1px solid rgba(138, 79, 255, 0.3);
  padding: 6px 12px;
  border-radius: 15px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}

.get-code-btn:hover {
  background: var(--color-primary);
  color: #ffffff;
}

.section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 10px;
  margin-bottom: -4px;
}

.selector-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.selector-group select {
  background: var(--theme-card);
  border: 1px solid var(--theme-card-border);
  border-radius: 12px;
  color: var(--text-main);
  padding: 12px;
  font-size: 13px;
  outline: none;
  cursor: pointer;
}

/* Boarding Options buttons */
.boarding-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.boarding-option {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--theme-card);
  border: 1px solid var(--theme-card-border);
  border-radius: 12px;
  padding: 12px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s;
}

.boarding-option input {
  display: none;
}

.boarding-option.active {
  background: rgba(138, 79, 255, 0.15);
  border-color: var(--color-primary);
  color: #c084fc;
  font-weight: 600;
}

/* Slider Controls */
.study-days-container {
  background: var(--theme-card);
  border: 1px solid var(--theme-card-border);
  border-radius: 12px;
  padding: 14px;
}

.days-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
}

.days-label span {
  color: var(--color-primary);
  font-weight: 700;
}

.study-days-container input[type="range"] {
  width: 100%;
  accent-color: var(--color-primary);
  background: #252033;
  height: 6px;
  border-radius: 3px;
  outline: none;
}

.agreement-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
  margin: 5px 0;
}

.agreement-row input[type="checkbox"] {
  margin-top: 2px;
  accent-color: var(--color-primary);
}

.bottom-links {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 10px;
}

/* ==========================================================================
   Home Tab ("首页")
   ========================================================================== */
.bootcamp-banner {
  background: linear-gradient(135deg, #6d28d9 0%, #1e1b4b 100%);
  border-radius: 18px;
  padding: 20px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0,0,0,0.3);
  margin-bottom: 20px;
  border: 1px solid rgba(138, 79, 255, 0.2);
}

.bootcamp-banner::after {
  content: '🎓';
  position: absolute;
  right: -10px;
  bottom: -10px;
  font-size: 100px;
  opacity: 0.08;
}

.banner-badge {
  display: inline-block;
  background: #f59e0b;
  color: #000;
  font-size: 9px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 10px;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.bootcamp-banner h3 {
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
}

.bootcamp-banner p {
  font-size: 12px;
  color: #cbd5e1;
  margin-bottom: 14px;
}

.banner-btn {
  background: #ffffff;
  color: #6d28d9;
  border: none;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
  transition: transform 0.2s;
}

.banner-btn:active {
  transform: scale(0.95);
}

/* Nav Icons Grid */
.action-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.grid-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  cursor: pointer;
}

.grid-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 8px;
  box-shadow: 0 6px 12px rgba(0,0,0,0.15);
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.grid-item:active .grid-icon {
  transform: scale(0.9);
}

.bg-pink { background: var(--gradient-pink); }
.bg-yellow { background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); }
.bg-blue { background: var(--gradient-blue); }
.bg-green { background: linear-gradient(135deg, #10b981 0%, #059669 100%); }

.grid-item span {
  font-size: 11px;
  color: var(--text-main);
  font-weight: 500;
}

/* Courses Segment */
.course-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.section-header h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
}

.course-card {
  background: var(--theme-card);
  border: 1px solid var(--theme-card-border);
  border-radius: 16px;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  position: relative;
  transition: border-color 0.2s;
}

.course-card:hover {
  border-color: var(--color-primary);
}

.course-tag {
  display: inline-block;
  background: rgba(138, 79, 255, 0.15);
  color: #c084fc;
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 8px;
  margin-bottom: 6px;
}

.course-card-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 4px;
}

.course-card-body p {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.course-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.course-meta .price {
  font-size: 15px;
  font-weight: 700;
  color: #f43f5e;
}

.course-meta .count {
  font-size: 10px;
  color: #635f75;
}

.buy-now-badge {
  background: var(--gradient-purple);
  color: #ffffff;
  border: none;
  font-size: 10px;
  font-weight: 700;
  padding: 8px 12px;
  border-radius: 20px;
  box-shadow: 0 4px 8px var(--color-primary-glow);
  cursor: pointer;
}

/* ==========================================================================
   Review Tab ("复习")
   ========================================================================== */
.review-header {
  background: linear-gradient(180deg, #161125 0%, #0d0914 100%);
  border-radius: 18px;
  padding: 20px 16px;
  text-align: center;
  border: 1px solid rgba(138, 79, 255, 0.1);
  margin-bottom: 16px;
  flex-shrink: 0;
}

.system-logo {
  font-size: 32px;
  margin-bottom: 6px;
}

.review-header h3 {
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
}

.review-header .subtitle {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 2px;
  margin-bottom: 14px;
  text-transform: uppercase;
}

/* Progress box inside Header */
.progress-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 10px 12px;
}

.progress-top {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.progress-top b {
  color: var(--text-main);
}

.progress-track {
  height: 6px;
  background: #201b2d;
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--gradient-purple);
  border-radius: 3px;
  transition: width 0.3s ease-out;
}

/* Scrolling container */
.tab-scroller {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-bottom: 20px;
}

.review-category {
  background: var(--theme-card);
  border: 1px solid var(--theme-card-border);
  border-radius: 16px;
  padding: 14px;
}

.review-category h5 {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 10px;
  border-left: 3px solid var(--color-primary);
  padding-left: 8px;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.review-grid.col-2 {
  grid-template-columns: 1fr 1fr;
}

.review-btn {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 10px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}

.review-btn:hover {
  background: rgba(138, 79, 255, 0.08);
  border-color: rgba(138, 79, 255, 0.3);
}

.review-btn:active {
  transform: scale(0.95);
}

.review-btn .btn-icon {
  font-size: 20px;
  margin-bottom: 6px;
}

.review-btn span {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-main);
  white-space: nowrap;
}

/* ==========================================================================
   Mine Tab ("我的")
   ========================================================================== */
.profile-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 15px 10px 20px;
}

.avatar-col {
  width: 60px;
  height: 60px;
  background: var(--gradient-purple);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  box-shadow: 0 4px 12px var(--color-primary-glow);
}

.user-meta-col h3 {
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
}

.user-meta-col p {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Hourly indicators */
.hours-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--theme-card);
  border: 1px solid var(--theme-card-border);
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 16px;
  text-align: center;
}

.stat-col {
  display: flex;
  flex-direction: column;
}

.stat-col:not(:last-child) {
  border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-col .num {
  font-family: 'Outfit', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-col .lbl {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Order tracker box */
.orders-summary {
  background: var(--theme-card);
  border: 1px solid var(--theme-card-border);
  border-radius: 14px;
  padding: 12px 14px;
  margin-bottom: 16px;
}

.summary-title {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
}

.summary-title a {
  font-size: 10px;
  color: var(--text-muted);
}

.status-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  text-align: center;
}

.status-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
}

.status-col .icon {
  font-size: 20px;
  margin-bottom: 4px;
}

.status-col span {
  font-size: 9px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* Actions grid */
.action-list-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: var(--theme-card);
  border: 1px solid var(--theme-card-border);
  border-radius: 14px;
  padding: 14px 10px;
  margin-bottom: 16px;
  text-align: center;
}

.list-grid-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
}

.list-grid-item .icon {
  font-size: 18px;
  margin-bottom: 6px;
}

.list-grid-item span {
  font-size: 9px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* Franchise recruiting banner */
.recruit-banner {
  background: linear-gradient(90deg, #f43f5e 0%, #e11d48 100%);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.recruit-txt h4 {
  font-size: 13px;
  font-weight: 700;
  color: #ffffff;
}

.recruit-txt p {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.8);
}

.recruit-btn {
  background: #ffffff;
  color: #e11d48;
  border: none;
  font-size: 9px;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 15px;
  cursor: pointer;
}

/* Utility Links lists */
.info-list {
  background: var(--theme-card);
  border: 1px solid var(--theme-card-border);
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 24px;
}

.info-item {
  display: flex;
  justify-content: space-between;
  padding: 12px 16px;
  font-size: 12px;
  cursor: pointer;
  transition: background-color 0.2s;
}

.info-item:not(:last-child) {
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.info-item:hover {
  background: rgba(255,255,255,0.02);
}

.info-item span:last-child {
  color: #635f75;
}

.logout-btn {
  width: 100%;
  padding: 12px;
  border-radius: 20px;
  background: #1e1124;
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #ef4444;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 40px;
}

.logout-btn:hover {
  background: rgba(239, 68, 68, 0.1);
}

/* ==========================================================================
   Course Details Screen
   ========================================================================== */
.detail-header-img {
  height: 180px;
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
  color: #ffffff;
  text-shadow: 0 4px 10px rgba(0,0,0,0.3);
  position: relative;
  flex-shrink: 0;
}

.detail-header-img::after {
  content: '⚡';
  position: absolute;
  right: 20px;
  bottom: 20px;
  font-size: 50px;
  opacity: 0.2;
}

.detail-content {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-bottom: 100px; /* Leave space for bottom bar */
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.price-row .price {
  font-size: 22px;
  font-weight: 800;
  color: #f43f5e;
}

.price-row .sold {
  font-size: 11px;
  color: var(--text-muted);
}

.detail-content h2 {
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
}

.detail-content .desc {
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-muted);
}

.detail-section h4 {
  font-size: 13px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
  border-left: 3px solid var(--color-primary);
  padding-left: 8px;
}

/* Stepper List */
.flow-list {
  padding-left: 20px;
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.flow-list li {
  line-height: 1.5;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.feature-list li b {
  color: var(--text-main);
  margin-right: 4px;
}

/* Bottom Bar */
.bottom-buy-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 64px;
  background: #110d1b;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 10px;
  z-index: 10;
}

.bottom-buy-bar .price-col {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.bottom-buy-bar .price-val {
  font-size: 18px;
  font-weight: 800;
  color: #f43f5e;
}

.bottom-buy-bar .price-desc {
  font-size: 9px;
  color: var(--text-muted);
}

.share-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
}

.buy-btn {
  background: var(--gradient-purple);
  border: none;
  color: #ffffff;
  padding: 10px 20px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 10px var(--color-primary-glow);
}

/* ==========================================================================
   AI Essay Correction Screen
   ========================================================================== */
.screen-header-bar {
  background: #161122;
  border-bottom: 1px solid var(--theme-card-border);
  padding: 12px;
  text-align: center;
  font-size: 15px;
  font-weight: 700;
  margin: -16px -16px 16px -16px;
  position: sticky;
  top: 0;
  z-index: 5;
}

.essay-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-bottom: 40px;
}

.helper-txt {
  font-size: 11px;
  line-height: 1.5;
  color: var(--text-muted);
}

textarea#essayInput {
  width: 100%;
  height: 140px;
  background: var(--theme-card);
  border: 1px solid var(--theme-card-border);
  border-radius: 12px;
  color: var(--text-main);
  padding: 12px;
  font-family: inherit;
  font-size: 13px;
  line-height: 1.5;
  resize: none;
  outline: none;
}

textarea#essayInput:focus {
  border-color: var(--color-primary);
}

.essay-result {
  display: flex;
  flex-direction: column;
  gap: 14px;
  animation: fadeInTab 0.3s ease-out;
}

.result-score-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 12px 16px;
  border-radius: 12px;
}

.result-score-row span {
  font-size: 13px;
  font-weight: 600;
}

.result-score-row .score-num {
  font-family: 'Outfit', sans-serif;
  font-size: 24px;
  font-weight: 800;
  color: var(--color-success);
}

.feedback-card, .correction-card, .text-compare-card {
  background: var(--theme-card);
  border: 1px solid var(--theme-card-border);
  border-radius: 12px;
  padding: 14px;
}

.feedback-card h5, .correction-card h5, .text-compare-card h5 {
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}

.feedback-card p {
  font-size: 11px;
  line-height: 1.5;
  color: var(--text-muted);
}

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

.correction-item {
  border-left: 2.5px solid var(--color-danger);
  padding-left: 8px;
  font-size: 11px;
}

.correction-item .orig {
  color: #f43f5e;
  text-decoration: line-through;
  margin-right: 6px;
}

.correction-item .repl {
  color: #10b981;
  font-weight: 600;
  margin-right: 6px;
}

.correction-item .reason {
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
  font-size: 10px;
}

.corrected-text-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: #cbd5e1;
}

/* ==========================================================================
   Bilingual Reading Screen
   ========================================================================== */
.reading-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.article-box {
  background: var(--theme-card);
  border: 1px solid var(--theme-card-border);
  border-radius: 14px;
  padding: 16px;
  min-height: 200px;
  line-height: 1.8;
  font-size: 14px;
}

/* Spans inside reader text */
.article-word {
  display: inline-block;
  cursor: pointer;
  padding: 0 1px;
  border-bottom: 1.5px dashed rgba(255, 255, 255, 0.15);
  transition: all 0.15s;
}

.article-word:hover {
  background: rgba(138, 79, 255, 0.2);
  border-bottom-color: var(--color-primary);
  color: #ffffff;
}

/* Word toast explanation tooltip */
.translation-toast {
  background: rgba(22, 17, 34, 0.95);
  border: 1px solid var(--color-primary);
  border-radius: 12px;
  padding: 12px 16px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  animation: slideUpToast 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideUpToast {
  from { transform: translateY(15px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.translation-toast .word-title {
  font-family: 'Outfit', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: #c084fc;
  margin-bottom: 4px;
}

.translation-toast .word-meaning {
  font-size: 12px;
  line-height: 1.5;
  color: #e2e8f0;
}

/* ==========================================================================
   Anti-Forget Flashcard review engine ("抗遗忘")
   ========================================================================== */
.game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  height: 80%;
  min-height: 380px;
}

.game-progress {
  font-size: 12px;
  color: var(--text-muted);
}

.flashcard {
  width: 100%;
  min-height: 220px;
  background: var(--theme-card);
  border: 2px solid var(--theme-card-border);
  border-radius: 18px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.25);
  position: relative;
  transition: transform 0.3s;
}

.word-display {
  font-family: 'Outfit', sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 4px;
  letter-spacing: 0.5px;
}

.phonetic-display {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.play-audio-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 6px 12px;
  border-radius: 15px;
  font-size: 11px;
  cursor: pointer;
}

.flashcard-back {
  width: 100%;
  animation: fadeInTab 0.25s forwards;
}

.flashcard-back .divider {
  width: 60%;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
  margin: 14px auto;
}

.translation-display {
  font-size: 14px;
  font-weight: 600;
  color: #c084fc;
  margin-bottom: 12px;
}

.example-display {
  font-size: 11px;
  line-height: 1.5;
  color: var(--text-muted);
  text-align: left;
  background: rgba(0,0,0,0.15);
  padding: 8px 12px;
  border-radius: 8px;
}

.example-display .en {
  margin-bottom: 4px;
  color: #e2e8f0;
}

.game-actions {
  display: flex;
  gap: 14px;
  width: 100%;
}

.action-btn {
  flex: 1;
  padding: 12px;
  border-radius: 20px;
  border: none;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  color: #ffffff;
  transition: transform 0.15s;
}

.action-btn:active {
  transform: scale(0.96);
}

.unknown-btn {
  background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%);
  box-shadow: 0 4px 10px var(--color-danger-glow);
}

.known-btn {
  background: linear-gradient(135deg, #10b981 0%, #047857 100%);
  box-shadow: 0 4px 10px var(--color-success-glow);
}

.next-btn {
  background: var(--gradient-purple);
  box-shadow: 0 4px 12px var(--color-primary-glow);
}

.classroom-live-layout {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

body.classroom-fullscreen #classroomStatusBanner {
  min-height: 34px;
  font-size: 13px;
}

body.classroom-fullscreen #screenAntiForget {
  padding: 18px clamp(18px, 3vw, 42px);
  align-items: stretch;
  justify-content: stretch;
  background: linear-gradient(180deg, #eef2ff 0%, #f8fafc 52%, #fff7ed 100%);
}

body.classroom-fullscreen #screenAntiForget .classroom-live-layout {
  height: calc(100vh - 76px);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  max-width: 1280px;
  margin: 0 auto;
}

body.classroom-fullscreen #screenAntiForget .game-container {
  width: 100%;
  height: 100%;
  min-height: 0;
  gap: 18px;
  display: grid;
  grid-template-rows: auto minmax(320px, 1fr) auto;
  align-content: stretch;
}

body.classroom-fullscreen #screenAntiForget .game-progress {
  font-size: 16px;
  color: #475569;
  font-weight: 900;
}

body.classroom-fullscreen #screenAntiForget .game-progress::before {
  content: "老师正在讲解";
  display: inline-flex;
  margin-right: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #dcfce7;
  color: #047857;
  font-size: 13px;
  font-weight: 700;
}

body.classroom-fullscreen #screenAntiForget .flashcard {
  min-height: 0;
  height: 100%;
  border-radius: 28px;
  padding: clamp(24px, 4vw, 48px);
  border: 1px solid #e0e7ff;
  background:
    radial-gradient(circle at 50% 0%, rgba(124, 58, 237, 0.08), transparent 44%),
    #ffffff;
  box-shadow: 0 24px 60px rgba(99, 102, 241, 0.14);
}

body.classroom-fullscreen #screenAntiForget .word-display {
  font-size: clamp(56px, 8vw, 104px);
  letter-spacing: 0;
  color: #1f2937;
  margin-top: clamp(8px, 1.6vw, 20px);
}

body.classroom-fullscreen #screenAntiForget .phonetic-container-row {
  flex-wrap: wrap;
  gap: 12px 18px;
}

body.classroom-fullscreen #screenAntiForget .phonetic-container-row span {
  font-size: clamp(15px, 2vw, 22px);
  color: #6d28d9;
  background: #f5f3ff;
  border-color: #ddd6fe;
}

body.classroom-fullscreen #screenAntiForget .translation-display {
  font-size: clamp(20px, 3vw, 30px);
  color: #334155;
}

body.classroom-fullscreen #screenAntiForget .example-display {
  font-size: clamp(15px, 2vw, 20px);
  max-width: 760px;
  margin: 0 auto;
}

body.classroom-fullscreen #screenAntiForget .game-actions {
  width: min(760px, 92vw);
  gap: 14px;
}

body.classroom-fullscreen #screenAntiForget .classroom-meaning-panel {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

body.classroom-fullscreen #screenAntiForget .classroom-meaning-topline {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 18px;
  color: #111827;
}

body.classroom-fullscreen #screenAntiForget .classroom-meaning-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 14px;
  border-radius: 999px;
  background: #e0f2fe;
  color: #0369a1;
  font-size: clamp(13px, 1.5vw, 17px);
  font-weight: 900;
  letter-spacing: 0;
}

body.classroom-fullscreen #screenAntiForget .classroom-meaning-timer {
  --timer-progress: 100%;
  width: clamp(74px, 7vw, 96px);
  height: clamp(74px, 7vw, 96px);
  flex: 0 0 auto;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at center, #fff 58%, transparent 60%),
    conic-gradient(#8b5cf6 var(--timer-progress), #e5e7eb 0);
  color: #4c1d95;
  font-size: clamp(18px, 2vw, 26px);
  font-weight: 950;
  font-family: 'Outfit', sans-serif;
  box-shadow: 0 10px 24px rgba(124, 58, 237, 0.12);
  margin: 0 auto clamp(10px, 2vw, 22px);
}

body.classroom-fullscreen #screenAntiForget .classroom-pronunciation-box {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  justify-content: center;
  padding: 4px 0 2px;
}

body.classroom-fullscreen #screenAntiForget .classroom-mic-btn {
  width: clamp(92px, 10vw, 128px);
  height: clamp(92px, 10vw, 128px);
  border: 2px solid rgba(125, 211, 252, 0.72);
  border-radius: 50%;
  background: linear-gradient(135deg, #e0f7ff, #ede9fe);
  color: #6d28d9;
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: 0 16px 36px rgba(125, 211, 252, 0.28);
  transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

body.classroom-fullscreen #screenAntiForget .classroom-mic-btn:hover {
  transform: translateY(-2px);
  border-color: rgba(124, 58, 237, 0.62);
  box-shadow: 0 20px 44px rgba(124, 58, 237, 0.2);
}

body.classroom-fullscreen #screenAntiForget .classroom-mic-btn.listening {
  animation: classroomVoicePulse 1.05s ease-in-out infinite;
  border-color: rgba(124, 58, 237, 0.82);
  background: linear-gradient(135deg, #cffafe, #ddd6fe);
}

body.classroom-fullscreen #screenAntiForget .classroom-mic-btn:disabled {
  cursor: wait;
  opacity: 0.9;
}

body.classroom-fullscreen #screenAntiForget .classroom-mic-btn.recorded {
  border-color: rgba(16, 185, 129, 0.72);
  box-shadow: 0 16px 34px rgba(16, 185, 129, 0.18);
}

body.classroom-fullscreen #screenAntiForget .classroom-wave-icon {
  width: clamp(52px, 5.4vw, 72px);
  height: clamp(42px, 4.4vw, 58px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

body.classroom-fullscreen #screenAntiForget .classroom-wave-icon span {
  width: clamp(5px, 0.55vw, 8px);
  height: 38%;
  border-radius: 999px;
  background: linear-gradient(180deg, #22d3ee, #7c3aed);
  box-shadow: 0 6px 14px rgba(124, 58, 237, 0.16);
}

body.classroom-fullscreen #screenAntiForget .classroom-wave-icon span:nth-child(2),
body.classroom-fullscreen #screenAntiForget .classroom-wave-icon span:nth-child(4) {
  height: 62%;
}

body.classroom-fullscreen #screenAntiForget .classroom-wave-icon span:nth-child(3) {
  height: 92%;
}

body.classroom-fullscreen #screenAntiForget .classroom-mic-btn.listening .classroom-wave-icon span {
  animation: classroomWaveBar 0.78s ease-in-out infinite;
}

body.classroom-fullscreen #screenAntiForget .classroom-mic-btn.listening .classroom-wave-icon span:nth-child(2) {
  animation-delay: 0.08s;
}

body.classroom-fullscreen #screenAntiForget .classroom-mic-btn.listening .classroom-wave-icon span:nth-child(3) {
  animation-delay: 0.16s;
}

body.classroom-fullscreen #screenAntiForget .classroom-mic-btn.listening .classroom-wave-icon span:nth-child(4) {
  animation-delay: 0.24s;
}

body.classroom-fullscreen #screenAntiForget .classroom-mic-btn.listening .classroom-wave-icon span:nth-child(5) {
  animation-delay: 0.32s;
}

body.classroom-fullscreen #screenAntiForget .classroom-speech-result {
  min-height: 26px;
  padding: 0 12px;
  background: transparent;
  border: 0;
  color: #64748b;
  font-size: clamp(13px, 1.5vw, 16px);
  font-weight: 700;
  text-align: center;
}

body.classroom-fullscreen #screenAntiForget .classroom-speech-result.listening {
  border-color: rgba(0, 242, 254, 0.4);
  color: #6d28d9;
}

body.classroom-fullscreen #screenAntiForget .classroom-speech-result.correct {
  border-color: rgba(16, 185, 129, 0.42);
  color: #15803d;
}

body.classroom-fullscreen #screenAntiForget .classroom-speech-result.incorrect {
  border-color: rgba(239, 68, 68, 0.36);
  color: #fca5a5;
}

body.classroom-fullscreen #screenAntiForget .classroom-pronunciation-skip {
  min-height: 40px;
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid rgba(239, 68, 68, 0.22);
  background: rgba(239, 68, 68, 0.08);
  color: #fca5a5;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

body.classroom-fullscreen #screenAntiForget .classroom-pronunciation-skip:hover {
  border-color: rgba(239, 68, 68, 0.42);
  background: rgba(239, 68, 68, 0.14);
}

@keyframes classroomVoicePulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 16px 34px rgba(124, 58, 237, 0.18);
  }
  50% {
    transform: scale(1.04);
    box-shadow: 0 20px 48px rgba(34, 211, 238, 0.32);
  }
}

@keyframes classroomWaveBar {
  0%, 100% {
    transform: scaleY(0.52);
    opacity: 0.66;
  }
  50% {
    transform: scaleY(1.18);
    opacity: 1;
  }
}

body.classroom-fullscreen #screenAntiForget .classroom-meaning-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

body.classroom-fullscreen #screenAntiForget .classroom-meaning-option {
  min-height: 72px;
  padding: 14px 20px;
  border-radius: 18px;
  border: 2px solid #e5e7eb;
  background: #f5f3ff;
  color: #111827;
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 900;
  cursor: pointer;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 12px 28px rgba(99, 102, 241, 0.08);
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

body.classroom-fullscreen #screenAntiForget .classroom-meaning-option.unknown {
  grid-column: 1 / -1;
  width: min(430px, 100%);
  justify-self: center;
  background: #fff7ed;
  color: #9a3412;
  border-color: #fed7aa;
}

body.classroom-fullscreen #screenAntiForget .classroom-option-letter {
  width: clamp(34px, 4vw, 44px);
  height: clamp(34px, 4vw, 44px);
  border-radius: 50%;
  background: #8b5cf6;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  font-family: 'Outfit', sans-serif;
  font-weight: 950;
}

body.classroom-fullscreen #screenAntiForget .classroom-meaning-option.unknown .classroom-option-letter {
  background: #f97316;
}

body.classroom-fullscreen #screenAntiForget .classroom-option-text {
  min-width: 0;
  overflow-wrap: anywhere;
}

body.classroom-fullscreen #screenAntiForget .classroom-meaning-option:hover {
  transform: translateY(-2px);
  border-color: #a78bfa;
  background: #ede9fe;
  box-shadow: 0 16px 34px rgba(124, 58, 237, 0.14);
}

body.classroom-fullscreen #screenAntiForget .classroom-meaning-option.correct {
  background: #dcfce7;
  border-color: #22c55e;
  color: #166534;
}

body.classroom-fullscreen #screenAntiForget .classroom-meaning-option.incorrect,
body.classroom-fullscreen #screenAntiForget .classroom-meaning-option.unknown {
  border-color: #fed7aa;
}

body.classroom-fullscreen #screenAntiForget .classroom-single-action {
  width: min(360px, 100%);
}

body.classroom-fullscreen #screenAntiForget .classroom-complete-panel {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 14px;
  border: 1px solid rgba(16, 185, 129, 0.28);
  border-radius: 22px;
  background:
    radial-gradient(circle at 50% 0%, rgba(16, 185, 129, 0.18), transparent 46%),
    rgba(255, 255, 255, 0.04);
  text-align: center;
  padding: clamp(28px, 5vw, 56px);
}

body.classroom-fullscreen #screenAntiForget .classroom-complete-badge {
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.16);
  color: #6ee7b7;
  font-size: 14px;
  font-weight: 900;
}

body.classroom-fullscreen #screenAntiForget .classroom-complete-title {
  color: #f8fafc;
  font-size: clamp(30px, 5vw, 58px);
  font-weight: 950;
}

body.classroom-fullscreen #screenAntiForget .classroom-complete-desc {
  color: #cbd5e1;
  font-size: clamp(16px, 2vw, 22px);
  font-weight: 700;
}

body.classroom-fullscreen #screenAntiForget .classroom-complete-meta {
  color: #94a3b8;
  font-size: clamp(14px, 1.7vw, 18px);
}

body.classroom-fullscreen #screenAntiForget .action-btn {
  min-height: 58px;
  border-radius: 16px;
  font-size: clamp(16px, 2vw, 20px);
}

body.classroom-fullscreen #vocabTestDialog,
body.classroom-fullscreen #vocabReportDialog {
  width: min(760px, 92vw);
  max-width: 92vw;
}

body.classroom-fullscreen #vocabTestWord {
  font-size: clamp(46px, 7vw, 86px) !important;
  letter-spacing: 0 !important;
}

body.classroom-fullscreen #vocabTestPhonetic {
  font-size: clamp(18px, 2.4vw, 26px) !important;
}

body.classroom-fullscreen .vocab-option-btn {
  min-height: 56px;
  font-size: clamp(16px, 2vw, 20px);
  border-radius: 14px;
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-panel {
  display: none;
  width: min(1120px, 100%);
  margin: 0 auto;
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-card {
  width: 100%;
  min-height: min(720px, calc(100vh - 120px));
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(14px, 2vw, 24px);
  padding: clamp(24px, 5vw, 60px);
  border-radius: 34px;
  border: 1px solid #e0e7ff;
  background:
    radial-gradient(circle at 50% 0%, rgba(124, 58, 237, 0.08), transparent 42%),
    #ffffff;
  color: #111827;
  box-shadow: 0 28px 80px rgba(15, 23, 42, 0.12);
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: #64748b;
  font-size: clamp(13px, 1.5vw, 17px);
  font-weight: 900;
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-word {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 2vw, 22px);
  text-align: center;
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-timer {
  width: clamp(88px, 10vw, 124px);
  height: clamp(88px, 10vw, 124px);
  align-self: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: conic-gradient(#8b5cf6 64deg, #e5e7eb 0deg);
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-timer span {
  width: calc(100% - 20px);
  height: calc(100% - 20px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #ffffff;
  color: #5b21b6;
  font-family: "Outfit", sans-serif;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 950;
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-main {
  font-family: "Outfit", sans-serif;
  font-size: clamp(58px, 10vw, 128px);
  line-height: 1.04;
  font-weight: 950;
  letter-spacing: 0;
  color: #1f2937;
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-audio {
  width: clamp(56px, 6vw, 82px);
  height: clamp(56px, 6vw, 82px);
  flex: 0 0 auto;
  border: 0;
  border-radius: 50%;
  background: #7c3aed;
  color: #fff;
  font-size: clamp(24px, 3vw, 34px);
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(124, 58, 237, 0.28);
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-phonetic {
  text-align: center;
  color: #6b7280;
  font-size: clamp(17px, 2vw, 24px);
  font-weight: 800;
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(12px, 2vw, 18px);
  margin-top: clamp(8px, 1vw, 14px);
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-option {
  min-height: clamp(72px, 9vw, 104px);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border: 2px solid #e5e7eb;
  border-radius: 22px;
  background: #f3f0ff;
  color: #111827;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 950;
  cursor: pointer;
  text-align: left;
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-option span {
  width: clamp(36px, 4vw, 48px);
  height: clamp(36px, 4vw, 48px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #c4c4cc;
  color: #fff;
  font-size: clamp(18px, 2vw, 24px);
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-option.selected {
  border-color: #22c55e;
  background: #dcfce7;
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-option.selected span {
  background: #22c55e;
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-option.unknown {
  grid-column: 1 / -1;
  width: min(520px, 100%);
  justify-self: center;
  border-color: #fecaca;
  background: #fff7ed;
  color: #9a3412;
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-option.unknown span {
  background: #f97316;
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-instruction,
body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-answer {
  align-self: center;
  max-width: 780px;
  padding: 18px 24px;
  border-radius: 20px;
  background: #eef2ff;
  color: #334155;
  text-align: center;
  font-size: clamp(20px, 2.6vw, 32px);
  font-weight: 900;
  line-height: 1.35;
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-judge-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(12px, 2vw, 18px);
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-judge {
  min-height: clamp(72px, 9vw, 104px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 16px 20px;
  border: 2px solid #e5e7eb;
  border-radius: 22px;
  background: #fff;
  color: #334155;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 950;
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-judge span {
  width: clamp(36px, 4vw, 48px);
  height: clamp(36px, 4vw, 48px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #c4c4cc;
  color: #fff;
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-judge.selected.correct {
  border-color: #22c55e;
  background: #dcfce7;
  color: #166534;
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-judge.selected.correct span {
  background: #22c55e;
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-judge.selected.wrong {
  border-color: #ef4444;
  background: #fee2e2;
  color: #991b1b;
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-judge.selected.wrong span {
  background: #ef4444;
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-answer.correct {
  background: #dcfce7;
  color: #166534;
}

body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-answer.wrong {
  background: #fee2e2;
  color: #991b1b;
}

@media (max-width: 720px) {
  body.classroom-fullscreen .nav-bar {
    padding: 0 16px;
  }

  body.classroom-fullscreen #screenAntiForget {
    padding: 18px 14px;
  }

  body.classroom-fullscreen #screenAntiForget .classroom-live-layout {
    height: auto;
    min-height: calc(100vh - 76px);
  }

  body.classroom-fullscreen #screenAntiForget .game-actions {
    flex-direction: column;
    max-width: 420px;
  }

  body.classroom-fullscreen #screenAntiForget .classroom-meaning-options {
    grid-template-columns: 1fr;
  }

  body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-options {
    grid-template-columns: 1fr;
  }

  body.classroom-fullscreen #screenAntiForget .classroom-vocab-mirror-judge-options {
    grid-template-columns: 1fr;
  }

  body.classroom-fullscreen #screenAntiForget .classroom-meaning-topline {
    align-items: flex-start;
    flex-direction: column;
  }

}

/* ==========================================================================
   Learned Word Database Screen
   ========================================================================== */
.learned-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.learned-item {
  background: var(--theme-card);
  border: 1px solid var(--theme-card-border);
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.learned-item .word-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.learned-item .w {
  font-weight: 700;
  font-size: 14px;
}

.learned-item .t {
  font-size: 11px;
  color: var(--text-muted);
}

.status-badge {
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 8px;
}

.status-badge.known {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}

.status-badge.unknown {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
}

/* ==========================================================================
   Matching 消消乐 Game
   ========================================================================== */
.matching-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 16px 0;
}

.grid-card {
  background: var(--theme-card);
  border: 1px solid var(--theme-card-border);
  border-radius: 10px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 11px;
  padding: 4px;
  cursor: pointer;
  word-break: break-all;
  transition: all 0.2s;
}

.grid-card.selected {
  background: rgba(138, 79, 255, 0.25);
  border-color: var(--color-primary);
  transform: scale(0.96);
}

.grid-card.matched {
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--color-success);
  opacity: 0.3;
  pointer-events: none;
}

.game-score {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-warning);
  text-align: right;
}

#screenFunGames {
  padding: 0 18px 18px;
  background:
    radial-gradient(circle at 50% 8%, rgba(139, 92, 246, 0.1), transparent 32%),
    linear-gradient(180deg, #eef2ff 0%, #ffffff 48%, #fff7ed 100%);
  color: #111827;
  overflow: hidden;
}

#screenFunGames .screen-header-bar {
  margin: 0 -18px 14px;
  background: #ffffff;
  border-bottom: 1px solid #e0e7ff;
  color: #111827;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.08);
}

#screenFunGames .fun-game-layout {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.fun-game-start-card,
.fun-game-leaderboard,
.balloon-status-bar,
.balloon-target-card,
.balloon-game-stage {
  border: 1px solid #e0e7ff;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 34px rgba(99, 102, 241, 0.1);
}

.fun-game-start-card {
  padding: 18px;
  border-radius: 22px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.fun-game-start-card h4 {
  margin: 0;
  color: #111827;
  font-size: 18px;
  font-weight: 950;
}

.fun-game-select {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid #c7d2fe;
  color: #111827;
  font-size: 14px;
  font-weight: 800;
  outline: none;
}

.fun-game-start-btn {
  min-height: 48px;
  border-radius: 16px;
  background: linear-gradient(135deg, #8b5cf6, #6366f1);
}

.fun-game-active-panel {
  flex: 1;
  min-height: 0;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

.balloon-status-bar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: 10px;
  align-items: stretch;
  padding: 10px;
  border-radius: 18px;
}

.balloon-status-pill {
  min-height: 54px;
  border-radius: 16px;
  background: #f3f0ff;
  border: 1px solid #ddd6fe;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  color: #475569;
  font-size: 13px;
  font-weight: 900;
}

.balloon-status-pill strong {
  color: #111827;
  font-family: 'Outfit', sans-serif;
  font-size: 20px;
  font-weight: 950;
}

.balloon-status-pill.score strong {
  color: #7c3aed;
}

.balloon-status-pill.lives strong {
  color: #ef4444;
  font-size: 17px;
  letter-spacing: 1px;
}

.balloon-status-pill.combo {
  visibility: hidden;
  background: #ecfeff;
  border-color: #a5f3fc;
}

.balloon-status-pill.combo strong {
  color: #0891b2;
}

.fun-game-quit-btn {
  min-width: 64px;
  border: 1px solid #cbd5e1;
  background: #ffffff;
  color: #475569;
  border-radius: 14px;
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
}

.balloon-target-card {
  padding: 18px;
  border-radius: 22px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.balloon-target-card span {
  display: block;
  color: #64748b;
  font-size: 13px;
  font-weight: 800;
}

.balloon-target-card h3 {
  margin: 4px 0 0;
  color: #111827;
  font-family: 'Outfit', sans-serif;
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1.05;
  font-weight: 950;
  letter-spacing: 0;
}

.balloon-timer-track {
  height: 8px;
  background: #e0e7ff;
  margin-top: 14px;
  border-radius: 999px;
  overflow: hidden;
}

#balloonTimerFill {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #22c55e, #8b5cf6);
  transition: width 0.1s linear, background 0.2s ease;
}

.balloon-game-stage {
  position: relative;
  width: 100%;
  flex: 1;
  min-height: clamp(420px, calc(100vh - 350px), 760px);
  border-radius: 26px;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 18%, rgba(125, 211, 252, 0.35), transparent 24%),
    radial-gradient(circle at 82% 26%, rgba(253, 186, 116, 0.28), transparent 24%),
    linear-gradient(180deg, #f8fbff 0%, #eef2ff 68%, #fff7ed 100%);
}

.balloon-game-stage::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 2px dashed rgba(139, 92, 246, 0.22);
  border-radius: 22px;
  pointer-events: none;
}

.floating-balloon {
  position: absolute;
  width: clamp(82px, 8vw, 108px);
  height: clamp(98px, 10vw, 126px);
  border-radius: 50% 50% 50% 50% / 42% 42% 58% 58%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #ffffff;
  font-size: clamp(12px, 1.5vw, 16px);
  font-weight: 950;
  line-height: 1.2;
  text-align: center;
  padding: 10px;
  box-sizing: border-box;
  cursor: pointer;
  user-select: none;
  box-shadow: 0 16px 28px rgba(99, 102, 241, 0.18), inset 0 3px 8px rgba(255, 255, 255, 0.32);
  transition: transform 0.1s ease, filter 0.15s ease;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.floating-balloon:hover {
  filter: brightness(1.05);
}

.balloon-tail {
  position: absolute;
  bottom: -7px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 8px solid rgba(255, 255, 255, 0.7);
}

.fun-game-leaderboard {
  flex: 0 0 auto;
  padding: 12px 14px;
  border-radius: 18px;
}

.fun-game-leaderboard h5 {
  margin: 0 0 8px;
  color: #111827;
  font-size: 14px;
  font-weight: 950;
  display: flex;
  align-items: center;
  gap: 6px;
}

.fun-game-leaderboard-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  font-size: 12px;
}

.game-leaderboard-row {
  min-height: 42px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
}

.game-leaderboard-user {
  min-width: 0;
  display: flex;
  gap: 8px;
  align-items: center;
  color: #334155;
  font-weight: 850;
}

.game-leaderboard-medal {
  width: 24px;
  flex: 0 0 auto;
  text-align: center;
}

.game-leaderboard-score {
  color: #7c3aed;
  font-weight: 950;
  white-space: nowrap;
}

@media (max-width: 720px) {
  #screenFunGames {
    padding: 0 12px 12px;
  }

  #screenFunGames .screen-header-bar {
    margin: 0 -12px 12px;
  }

  .balloon-status-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fun-game-quit-btn {
    min-height: 44px;
  }

  .balloon-game-stage {
    min-height: 430px;
  }

  .fun-game-leaderboard-list {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Report metrics
   ========================================================================== */
.stats-overview-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.overview-box {
  background: var(--theme-card);
  border: 1px solid var(--theme-card-border);
  border-radius: 12px;
  padding: 12px;
  text-align: center;
}

.overview-box .num {
  font-size: 22px;
  font-weight: 800;
  font-family: 'Outfit', sans-serif;
  color: var(--color-primary);
}

.overview-box .lbl {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 2px;
}

.report-card-visual {
  background: var(--theme-card);
  border: 1px solid var(--theme-card-border);
  border-radius: 16px;
  padding: 16px;
}

.report-card-visual h5 {
  font-size: 12px;
  margin-bottom: 16px;
}

.mock-chart-container {
  display: flex;
  height: 140px;
  position: relative;
  margin-bottom: 12px;
  border-bottom: 1.5px solid rgba(255,255,255,0.08);
}

.bar-chart-y-axis {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-size: 9px;
  color: var(--text-muted);
  width: 32px;
  padding-bottom: 10px;
}

.bar-chart-bars {
  flex: 1;
  display: flex;
  justify-content: space-around;
  align-items: flex-end;
}

.chart-bar {
  width: 18px;
  background: var(--gradient-purple);
  border-radius: 4px 4px 0 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  transition: height 0.6s ease;
}

.chart-bar .bar-val {
  position: absolute;
  top: -14px;
  font-size: 8px;
  color: var(--text-main);
  font-weight: bold;
}

.chart-bar .bar-day {
  position: absolute;
  bottom: -15px;
  font-size: 8px;
  color: var(--text-muted);
  white-space: nowrap;
}

.chart-caption {
  font-size: 10px;
  line-height: 1.5;
  color: var(--text-muted);
  margin-top: 15px;
}

/* ==========================================================================
   Overlay Dialog Components & Steppers
   ========================================================================== */
.overlay-dialog {
  border: none;
  border-radius: 20px;
  background: #161122;
  border: 1px solid var(--color-primary);
  width: 80%;
  max-width: 300px;
  padding: 20px;
  margin: auto;
  color: var(--text-main);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  backdrop-filter: blur(10px);
}

.overlay-dialog h3 {
  font-size: 16px;
  margin-bottom: 12px;
  text-align: center;
}

.overlay-dialog .dialog-body {
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-muted);
  max-height: 200px;
  overflow-y: auto;
  margin-bottom: 16px;
}

.dialog-close-btn {
  width: 100%;
  padding: 10px;
  background: var(--gradient-purple);
  border: none;
  border-radius: 15px;
  color: #fff;
  font-weight: 600;
  font-size: 12px;
  cursor: pointer;
}

/* Bottom Sheet Dialog */
.bottom-sheet-dialog {
  border: none;
  border-top-left-radius: 24px;
  border-top-right-radius: 24px;
  background: #161122;
  border-top: 1.5px solid var(--theme-card-border);
  width: 100%;
  max-width: var(--phone-width);
  margin: auto auto 0 auto; /* Lock to bottom */
  padding: 20px;
  color: var(--text-main);
  box-shadow: 0 -10px 30px rgba(0,0,0,0.5);
  animation: slideUpSheet 0.3s cubic-bezier(0.1, 0.76, 0.55, 0.94);
}

@keyframes slideUpSheet {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.sheet-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.sheet-header h3 {
  font-size: 15px;
  font-weight: 700;
}

.sheet-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
}

.sheet-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-bottom: 24px;
}

.sheet-form-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

.sheet-form-row .label {
  color: var(--text-muted);
}

.sheet-form-row select {
  background: var(--theme-bg);
  border: 1px solid var(--theme-card-border);
  border-radius: 8px;
  color: var(--text-main);
  padding: 6px 10px;
  outline: none;
  font-size: 11px;
  max-width: 160px;
}

.sheet-form-row .score-input {
  background: var(--theme-bg);
  border: 1px solid var(--theme-card-border);
  border-radius: 8px;
  color: var(--text-main);
  padding: 6px 10px;
  width: 80px;
  text-align: center;
  outline: none;
  font-size: 12px;
}

/* Duration selection stepper */
.stepper {
  display: flex;
  align-items: center;
  background: var(--theme-bg);
  border: 1px solid var(--theme-card-border);
  border-radius: 8px;
}

.step-btn {
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 16px;
  font-weight: 600;
  width: 32px;
  height: 32px;
  cursor: pointer;
}

.stepper input {
  width: 40px;
  border: none;
  background: none;
  color: #fff;
  text-align: center;
  font-weight: bold;
}

.sheet-form-row .value.price {
  color: #f43f5e;
  font-size: 16px;
  font-weight: 800;
}

/* Native Dialog Backdrop styling */
dialog::backdrop {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

/* WeChat-like Toast Notification */
.custom-toast {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(17, 17, 17, 0.9);
  color: #ffffff;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 12px;
  text-align: center;
  max-width: 200px;
  z-index: 100;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  animation: fadeInTab 0.15s forwards;
}

/* ==========================================================================
   Tab Bar (Bottom WeChat Style Navigation)
   ========================================================================== */
.tab-bar {
  height: 48px;
  display: flex;
  background: #110d1b;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  z-index: 11;
  position: relative;
}

.tab-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  color: #8e8d99;
}

.tab-item:active {
  background: rgba(255, 255, 255, 0.02);
}

.tab-item.active {
  color: #a78bfa;
}

.tab-icon {
  font-size: 16px;
  margin-bottom: 2px;
  transition: transform 0.2s;
}

.tab-item.active .tab-icon {
  transform: scale(1.15);
}

.tab-label {
  font-size: 9px;
  font-weight: 500;
}

/* ==========================================================================
   Adult Mode (MIT Learning) UI Custom Styles
   ========================================================================== */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.spinner {
  border-top-color: #00F2FE !important;
}

.adult-active-course-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s ease;
}

.adult-active-course-item:hover {
  border-color: #00F2FE;
  background: rgba(0, 242, 254, 0.02);
}

.skeleton-node {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.skeleton-node:hover {
  border-color: #8b5cf6;
  background: rgba(139, 92, 246, 0.03);
}

.skeleton-node.expanded {
  background: rgba(139, 92, 246, 0.05);
  border-color: #8b5cf6;
}

.disagreement-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 14px;
}

/* Chat bubble styling for Socratic interrogation */
.chat-bubble {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 12px;
  line-height: 1.5;
  word-break: break-word;
}

.chat-bubble.socrates {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #fff;
  border-top-left-radius: 2px;
}

.chat-bubble.user {
  align-self: flex-end;
  background: linear-gradient(135deg, #00F2FE, #0A58CA);
  color: #110d1b;
  font-weight: 500;
  border-top-right-radius: 2px;
}

.chat-bubble.feedback-info {
  align-self: center;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #10b981;
  text-align: center;
  max-width: 90%;
  border-radius: 8px;
  font-size: 11px;
}

.chat-bubble.feedback-warn {
  align-self: center;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #ef4444;
  text-align: center;
  max-width: 90%;
  border-radius: 8px;
  font-size: 11px;
}

/* Active Recall card flashcards */
.adult-flashcard-box {
  transition: transform 0.3s;
}

.rating-btn {
  transition: all 0.2s ease;
}

.rating-btn:active {
  transform: scale(0.95);
}

/* Personal Lifelong Learning Archive scroll wrapper */
#screenAdultArchive .adult-container {
  scrollbar-width: none;
}
#screenAdultArchive .adult-container::-webkit-scrollbar {
  display: none;
}

/* ==========================================================================
   Onboarding Subject & Grade Selection
   ========================================================================== */
.selection-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 8px;
}

.card-option {
  background: var(--theme-card);
  border: 1px solid var(--theme-card-border);
  border-radius: 12px;
  padding: 14px;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.card-option:hover {
  transform: translateY(-2px);
  border-color: rgba(138, 79, 255, 0.4);
}

.card-option.active {
  background: rgba(138, 79, 255, 0.15);
  border-color: var(--color-primary);
  box-shadow: 0 0 15px rgba(138, 79, 255, 0.25);
}

/* For Adult Cyberpunk Theme active option */
.adult-theme .card-option.active {
  background: rgba(0, 242, 254, 0.15);
  border-color: #00F2FE;
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.25);
}

.card-option .option-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
  color: var(--text-main);
}

.card-option .option-subtitle {
  font-size: 11px;
  color: var(--text-muted);
}

/* Badge locked/coming soon */
.badge-locked {
  position: absolute;
  top: 6px;
  right: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  font-size: 8px;
  padding: 1px 4px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.badge-active {
  position: absolute;
  top: 6px;
  right: 6px;
  background: var(--color-success);
  color: #fff;
  font-size: 8px;
  padding: 1px 4px;
  border-radius: 6px;
  font-weight: bold;
}

.badge-expanded {
  position: absolute;
  top: 6px;
  right: 6px;
  background: #00F2FE;
  color: #110d1b;
  font-size: 8px;
  padding: 1px 4px;
  border-radius: 6px;
  font-weight: bold;
}

/* ==========================================================================
   AI Vocabulary Size Test Custom Styles
   ========================================================================== */
#vocabTestDialog, #vocabReportDialog {
  background: #18122b;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 242, 254, 0.1);
  color: #fff;
  transition: all 0.3s ease;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

#vocabReportDialog.vocab-report-dialog {
  width: min(94vw, 720px);
  max-height: 92vh;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(139, 92, 246, 0.2);
  background: #ffffff;
  color: #111827;
  box-shadow: 0 28px 80px rgba(15, 23, 42, 0.22);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

#vocabReportDialog.vocab-report-large {
  width: min(96vw, 980px);
}

.vocab-report-shell {
  display: flex;
  flex-direction: column;
  max-height: 92vh;
  background: #ffffff;
}

.vocab-report-topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 22px 12px;
  border-bottom: 1px solid #eef2ff;
}

.vocab-report-topbar h4 {
  margin: 0;
  color: #111827;
  font-size: 22px;
  font-weight: 900;
}

.vocab-report-topbar p {
  margin: 4px 0 0;
  color: #8b5cf6;
  font-size: 12px;
  font-weight: 700;
}

.vocab-report-close {
  width: 34px;
  height: 34px;
  border: none;
  background: transparent;
  color: #94a3b8;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}

.vocab-report-size-toggle {
  display: inline-flex;
  align-self: flex-start;
  margin: 12px 22px 8px;
  overflow: hidden;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
}

.vocab-report-size-toggle button {
  min-width: 78px;
  height: 34px;
  border: none;
  background: #ffffff;
  color: #64748b;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.vocab-report-size-toggle button.active {
  background: #7c3aed;
  color: #ffffff;
}

.vocab-report-printable {
  flex: 1;
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
  padding: 12px 18px 110px;
  overflow-y: auto;
  box-sizing: border-box;
}

.vocab-report-large .vocab-report-printable {
  max-width: 780px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

.vocab-report-large .vocab-report-profile,
.vocab-report-large .vocab-report-cover,
.vocab-report-large .report-section-advice {
  grid-column: 1 / -1;
}

.vocab-report-profile,
.vocab-report-cover,
.vocab-report-section {
  position: relative;
  overflow: hidden;
  border: 1px solid #eef2ff;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 12px 36px rgba(99, 102, 241, 0.08);
}

.vocab-report-profile {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
  padding: 18px;
  background: #f8f7ff;
}

.vocab-report-avatar {
  width: 70px;
  height: 70px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #e8d49b;
  color: #ffffff;
  font-size: 34px;
  font-weight: 900;
}

.vocab-report-profile h5,
.vocab-report-cover h5,
.vocab-report-section h5 {
  margin: 0;
  color: #1f2937;
  font-size: 18px;
  font-weight: 950;
}

.vocab-report-profile p,
.vocab-report-cover p,
.vocab-report-section p {
  margin: 8px 0 0;
  color: #64748b;
  font-size: 14px;
  line-height: 1.65;
}

.vocab-report-profile p {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.vocab-report-cover {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
  padding: 20px;
  background: #f3edff;
}

.vocab-report-logo {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #8b5cf6, #6d28d9);
  color: #ffffff;
  font-family: 'Outfit', sans-serif;
  font-size: 19px;
  font-weight: 950;
}

.vocab-report-section {
  margin-bottom: 14px;
  padding: 18px;
}

.vocab-report-section::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 28px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #93c5fd;
}

.report-section-levels::before { background: #fde68a; }
.report-section-ability::before { background: #f0abfc; }
.report-section-test::before { background: #6ee7b7; }
.report-section-advice::before { background: #c084fc; }

.vocab-report-score-card {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  margin-top: 14px;
  padding: 18px;
  border-radius: 14px;
  background: #ecffd8;
}

.vocab-report-score-badge {
  width: 92px;
  height: 92px;
  display: grid;
  place-items: center;
  align-content: center;
  border-radius: 50%;
  background: #63c500;
  color: #ffffff;
}

.vocab-report-score-badge strong {
  font-family: 'Outfit', sans-serif;
  font-size: 28px;
  line-height: 1;
}

.vocab-report-score-badge span {
  margin-top: 6px;
  font-size: 12px;
  font-weight: 900;
}

.vocab-report-score-card h6 {
  margin: 0;
  color: #0f172a;
  font-size: 20px;
  font-weight: 950;
}

.vocab-report-score-card p {
  margin-top: 6px;
  font-size: 13px;
}

.vocab-report-metric-grid,
.vocab-report-type-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.vocab-report-metric-grid div,
.vocab-report-type-card {
  padding: 10px 8px;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  background: #f8fafc;
  text-align: center;
}

.vocab-report-metric-grid span,
.vocab-report-type-card span {
  display: block;
  color: #64748b;
  font-size: 11px;
  font-weight: 800;
}

.vocab-report-metric-grid strong,
.vocab-report-type-card strong {
  display: block;
  margin-top: 4px;
  color: #111827;
  font-size: 18px;
  font-weight: 950;
}

.vocab-report-level-chart {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  align-items: end;
  min-height: 210px;
  margin-top: 18px;
  padding: 12px 4px 0;
  border-top: 1px solid #eef2ff;
}

.vocab-report-level-bar {
  display: grid;
  gap: 8px;
  justify-items: center;
  align-items: end;
}

.vocab-report-level-bar-visual {
  width: 42px;
  min-height: 16px;
  border-radius: 10px 10px 4px 4px;
  background: #ddd6fe;
  position: relative;
}

.vocab-report-level-bar.current .vocab-report-level-bar-visual {
  background: #8b5cf6;
}

.vocab-report-level-marker {
  position: absolute;
  left: 50%;
  bottom: 100%;
  transform: translateX(-50%);
  margin-bottom: 4px;
  padding: 2px 7px;
  border-radius: 999px;
  background: #7c3aed;
  color: #ffffff;
  font-size: 11px;
  font-weight: 900;
  white-space: nowrap;
}

.vocab-report-level-label {
  color: #334155;
  font-size: 12px;
  font-weight: 900;
  text-align: center;
}

.vocab-report-level-range {
  color: #94a3b8;
  font-size: 10px;
  text-align: center;
  white-space: nowrap;
}

.vocab-report-actions {
  position: sticky;
  bottom: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  padding: 12px 18px 16px;
  border-top: 1px solid #eef2ff;
  background: rgba(255, 255, 255, 0.96);
}

.vocab-report-actions button {
  height: 42px;
  border-radius: 8px;
  border: 1px solid #ddd6fe;
  background: #ffffff;
  color: #6d28d9;
  font-size: 14px;
  font-weight: 900;
  cursor: pointer;
}

.vocab-report-actions button:nth-child(3),
.vocab-report-actions button:nth-child(4) {
  border-color: transparent;
  background: #7c3aed;
  color: #ffffff;
}

@media (max-width: 560px) {
  #vocabReportDialog.vocab-report-dialog {
    width: 96vw;
  }

  .vocab-report-topbar {
    padding: 14px 16px 10px;
  }

  .vocab-report-printable {
    padding: 10px 12px 124px;
  }

  .vocab-report-score-card {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .vocab-report-metric-grid,
  .vocab-report-type-grid {
    grid-template-columns: 1fr;
  }

  .vocab-report-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media print {
  body.vocab-report-print-mode * {
    visibility: hidden !important;
  }

  body.vocab-report-print-mode #vocabReportPrintable,
  body.vocab-report-print-mode #vocabReportPrintable * {
    visibility: visible !important;
  }

  body.vocab-report-print-mode #vocabReportPrintable {
    position: absolute;
    left: 0;
    top: 0;
    width: 100% !important;
    max-width: none !important;
    display: block !important;
    overflow: visible !important;
    padding: 0 !important;
    color: #111827 !important;
  }

  body.vocab-report-print-mode .vocab-report-section,
  body.vocab-report-print-mode .vocab-report-profile,
  body.vocab-report-print-mode .vocab-report-cover {
    break-inside: avoid;
    box-shadow: none !important;
  }
}

.vocab-option-btn {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  color: #fff;
  font-size: 13px;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  outline: none;
}

.vocab-option-btn:hover {
  background: rgba(0, 242, 254, 0.08);
  border-color: rgba(0, 242, 254, 0.4);
  transform: translateX(4px);
}

.vocab-option-btn:active {
  transform: scale(0.98) translateX(4px);
}

.vocab-option-btn.skip-btn {
  background: rgba(255, 255, 255, 0.01);
  color: #64748b;
  text-align: center;
  font-style: italic;
  border-color: rgba(255, 255, 255, 0.02);
}

.vocab-option-btn.skip-btn:hover {
  background: rgba(255, 255, 255, 0.03);
  color: #cbd5e1;
  transform: none;
}

.vocab-test-prompt {
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(0, 242, 254, 0.06);
  color: #cbd5e1;
  font-size: 12px;
  font-weight: 700;
  text-align: center;
}

.vocab-test-spelling-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.26);
  color: #fff;
  font-size: 16px;
  text-align: center;
  outline: none;
}

.vocab-test-spelling-input:focus {
  border-color: rgba(0, 242, 254, 0.52);
  box-shadow: 0 0 0 3px rgba(0, 242, 254, 0.08);
}

.vocab-test-speech-result {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.035);
  color: #cbd5e1;
  font-size: 12px;
  font-weight: 700;
  text-align: center;
}

.word-training-option,
.word-training-chip,
.word-training-submit {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: #f8fafc;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.word-training-option:hover,
.word-training-chip:hover,
.word-training-submit:hover {
  border-color: rgba(0, 242, 254, 0.38);
  background: rgba(0, 242, 254, 0.08);
}

.word-training-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.26);
  color: #fff;
  font-size: 16px;
  text-align: center;
  outline: none;
}

.word-training-chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.word-training-chip {
  width: auto;
  min-width: 42px;
}