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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f0f7ff;
  min-height: 100vh;
}

header {
  background: #1a3a5c;
  color: white;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo { font-size: 1.4rem; font-weight: 800; }
.logo span { color: #f0a500; }
.header-sub { font-size: 0.75rem; opacity: 0.7; margin-top: 0.1rem; }

.screen {
  display: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.screen.active {
  display: block;
  opacity: 1;
}

.bookworm-intro.active,
#roleScreen.active {
  display: flex;
}

.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.card {
  background: white;
  border-radius: 20px;
  padding: 2rem;
  box-shadow: 0 4px 24px rgba(0,0,0,0.07);
  margin-bottom: 1.5rem;
}

.card h2 {
  font-size: 1.3rem;
  color: #1a3a5c;
  font-weight: 800;
  margin-bottom: 0.4rem;
}

.subtitle {
  color: #888;
  font-size: 0.88rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.form-group { margin-bottom: 1rem; }

label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: #444;
  margin-bottom: 0.4rem;
}

input, select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid #e0e0e0;
  border-radius: 10px;
  font-size: 0.95rem;
  color: #1a1a1a;
  background: #fafafa;
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s;
}

input:focus, select:focus {
  border-color: #1a3a5c;
  background: white;
}

.btn-primary {
  width: 100%;
  padding: 0.9rem;
  background: #1a3a5c;
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
  font-family: inherit;
}

.btn-primary:hover { background: #0f2a45; }
.btn-primary:disabled { background: #ccc; cursor: not-allowed; }

.btn-secondary {
  padding: 0.65rem 1.25rem;
  background: white;
  color: #1a3a5c;
  border: 1.5px solid #1a3a5c;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s;
}

.btn-secondary:hover { background: #f0f5ff; }

.btn-gold {
  padding: 0.65rem 1.25rem;
  background: #f0a500;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s;
}

.btn-gold:hover { background: #d4920a; }

.error-msg {
  background: #fde8e8;
  color: #c0392b;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  display: none;
}

.success-msg {
  background: #e8f5e9;
  color: #2e7d32;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  display: none;
}

.role-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.role-btn {
  padding: 1.5rem 1rem;
  border: 2px solid #e0e0e0;
  border-radius: 16px;
  background: white;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s;
  font-family: inherit;
}

.role-btn:hover { border-color: #1a3a5c; background: #f0f5ff; }
.role-btn .icon { font-size: 2.5rem; display: block; margin-bottom: 0.6rem; }
.role-btn .role-name { font-size: 1rem; font-weight: 700; color: #1a3a5c; }
.role-btn .role-desc { font-size: 0.75rem; color: #888; margin-top: 0.2rem; }

.code-input {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-align: center;
  text-transform: uppercase;
  color: #1a3a5c;
}

.passage-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: #f0a500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.4rem;
}

.grade-badge {
  display: inline-block;
  background: #e8f4e8;
  color: #2a7a4a;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.65rem;
  border-radius: 99px;
  margin-bottom: 0.75rem;
}

.passage-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #1a3a5c;
  margin-bottom: 0.75rem;
}

.passage-text {
  font-size: 1rem;
  line-height: 1.9;
  color: #333;
  background: #f8f9ff;
  border-radius: 12px;
  padding: 1.25rem;
  border-left: 4px solid #1a3a5c;
}

.passage-word {
  display: inline;
  border-radius: 4px;
  padding: 0.05em 0.15em;
  transition: background 0.2s, color 0.2s;
}
.word-good {
  background: #c8f5d0;
  color: #1b5e20;
}
.word-ok {
  background: #fff3cd;
  color: #7a5800;
  cursor: pointer;
}
.word-bad {
  background: #ffd5d5;
  color: #b71c1c;
  cursor: pointer;
}
.word-ok:hover, .word-bad:hover { opacity: 0.75; }
.word-current {
  background: #d0e8ff;
  color: #0a3060;
  outline: 2px solid #1a3a5c;
  border-radius: 4px;
}

.passage-chips {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.passage-chip {
  padding: 0.35rem 0.85rem;
  background: #e8eef8;
  border: none;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #1a3a5c;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.passage-chip.active { background: #1a3a5c; color: white; }

.mic-section { text-align: center; padding: 1.25rem 0; }

.mic-btn {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: #1a3a5c;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 2.2rem;
  transition: all 0.2s;
  box-shadow: 0 4px 20px rgba(26,58,92,0.25);
}

.mic-btn:hover { transform: scale(1.05); }
.mic-btn.recording { background: #e74c3c; animation: pulse 1s infinite; }

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(231,76,60,0.4); }
  70% { box-shadow: 0 0 0 22px rgba(231,76,60,0); }
  100% { box-shadow: 0 0 0 0 rgba(231,76,60,0); }
}

.mic-label { font-size: 0.88rem; color: #666; margin-bottom: 0.75rem; font-weight: 500; }

.transcript-box {
  background: #f8f9ff;
  border: 1.5px solid #e0e0e0;
  border-radius: 12px;
  padding: 1rem;
  min-height: 72px;
  font-size: 0.9rem;
  color: #555;
  line-height: 1.6;
  text-align: left;
  margin-bottom: 0.75rem;
}

.status-msg { font-size: 0.82rem; color: #888; text-align: center; min-height: 1.2rem; }

.loading {
  text-align: center;
  padding: 2rem;
  display: none;
  color: #666;
  font-size: 0.9rem;
}

.dots span {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #1a3a5c;
  margin: 0 3px;
  animation: bounce 1.2s infinite;
}

.dots span:nth-child(2) { animation-delay: 0.2s; }
.dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
  0%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-8px); }
}

.score-row {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

.score-badge {
  flex: 1;
  background: #1a3a5c;
  color: white;
  border-radius: 12px;
  padding: 0.75rem 0.5rem;
  text-align: center;
  position: relative;
  cursor: help;
}

.score-badge.gold { background: #f0a500; }
.score-badge .num { font-size: 1.4rem; font-weight: 800; }
.score-badge .lbl { font-size: 0.65rem; opacity: 0.8; margin-top: 0.1rem; }

.score-tip {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(20, 20, 20, 0.92);
  color: #fff;
  font-size: 0.7rem;
  line-height: 1.45;
  padding: 0.5rem 0.7rem;
  border-radius: 8px;
  width: 170px;
  text-align: center;
  z-index: 200;
  pointer-events: none;
  font-weight: 400;
}

.score-tip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: rgba(20, 20, 20, 0.92);
}

.score-badge:hover .score-tip { display: block; }

.encouragement {
  font-size: 1.2rem;
  font-weight: 800;
  color: #1a3a5c;
  margin-bottom: 0.25rem;
}

.ai-feedback-box {
  background: #f0f5ff;
  border-radius: 12px;
  padding: 1.25rem;
  font-size: 0.95rem;
  line-height: 1.75;
  color: #333;
  margin-bottom: 1.25rem;
  border-left: 4px solid #f0a500;
}

.word-cards-section { margin-bottom: 1.25rem; }

.word-cards-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.word-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.6rem;
}

.phonics-section {
  background: #fffbf0;
  border: 1.5px solid #f0e0a0;
  border-radius: 14px;
  padding: 1rem 1.1rem;
  margin-bottom: 1.25rem;
}
.phonics-header {
  font-size: 0.95rem;
  font-weight: 800;
  color: #1a3a5c;
  margin-bottom: 0.2rem;
}
.phonics-subheader {
  font-size: 0.75rem;
  color: #888;
  margin-bottom: 0.85rem;
  line-height: 1.4;
}
.phonics-group {
  background: white;
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
  margin-bottom: 0.6rem;
  border-left: 4px solid #f0a500;
}
.phonics-group:last-child { margin-bottom: 0; }
.phonics-pattern-name {
  font-size: 0.82rem;
  font-weight: 700;
  color: #1a3a5c;
  margin-bottom: 0.25rem;
}
.phonics-words {
  font-size: 0.9rem;
  font-weight: 600;
  color: #c62828;
  margin-bottom: 0.3rem;
}
.phonics-tip {
  font-size: 0.78rem;
  color: #555;
  line-height: 1.4;
}

.word-card {
  background: white;
  border: 1.5px solid #e0e0e0;
  border-radius: 14px;
  padding: 0;
  cursor: pointer;
  transition: box-shadow 0.2s, border-color 0.2s;
  text-align: center;
  min-height: 130px;
  position: relative;
}
.word-card-front {
  padding: 1rem;
}

.word-card:hover { border-color: #1a3a5c; box-shadow: 0 4px 16px rgba(26,58,92,0.12); }
.word-card.bad { border-color: #e74c3c; background: #fff5f5; }
.word-card.ok { border-color: #f0a500; background: #fffbf0; }

.word-card .word-text { font-size: 1rem; font-weight: 700; color: #1a3a5c; margin-bottom: 0.15rem; }
.word-card .word-pos { font-size: 0.68rem; color: #888; font-style: italic; margin-bottom: 0.2rem; }
.word-card .word-score { font-size: 0.72rem; color: #888; margin-bottom: 0.5rem; }
.word-card .word-score.bad { color: #e74c3c; font-weight: 700; }
.word-card .word-score.ok { color: #f0a500; font-weight: 700; }
.word-card .word-def { font-size: 0.72rem; color: #555; line-height: 1.4; margin-bottom: 0.5rem; text-align: left; }

.word-card .hear-btn {
  padding: 0.3rem 0.65rem;
  background: #1a3a5c;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 0.72rem;
  cursor: pointer;
  font-family: inherit;
  width: 100%;
  transition: background 0.2s;
}

.word-card .hear-btn:hover { background: #0f2a45; }

.word-detail-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.word-detail-modal.open { display: flex; }

.word-detail-card {
  background: white;
  border-radius: 20px;
  padding: 2rem;
  max-width: 380px;
  width: 100%;
  text-align: center;
  box-shadow: 0 8px 40px rgba(0,0,0,0.2);
}

.word-detail-word { font-size: 2rem; font-weight: 800; color: #1a3a5c; margin-bottom: 0.15rem; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 0.15rem; }
.word-detail-pos { font-size: 0.82rem; color: #888; font-style: italic; margin-bottom: 0.25rem; }
.word-detail-phonetic { font-size: 1rem; color: #f0a500; font-weight: 600; margin-bottom: 0.75rem; }

.syllable-bubble {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  background: #eef2ff;
  border-radius: 14px;
  font-size: 1.7rem;
  font-weight: 800;
  color: #1a3a5c;
  border: 2px solid transparent;
  transition: transform 0.18s cubic-bezier(0.34,1.56,0.64,1), background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}
.syllable-bubble.syl-active {
  background: #f0a500;
  color: #fff;
  transform: scale(1.22) translateY(-5px);
  border-color: #c8880a;
  box-shadow: 0 6px 18px rgba(240,165,0,0.38);
}
.syllable-bubble.syl-done {
  background: #e8f5e9;
  color: #2e7d32;
  border-color: #a5d6a7;
}
.syllable-dot {
  display: inline-block;
  font-size: 1.1rem;
  color: #ccc;
  margin: 0 0.1rem;
  align-self: center;
  user-select: none;
}

.word-detail-score {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  border-radius: 99px;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.word-detail-definition {
  font-size: 0.92rem;
  color: #555;
  line-height: 1.6;
  background: #f8f9ff;
  border-radius: 10px;
  padding: 0.9rem;
  margin-bottom: 1.25rem;
  text-align: left;
}

.word-detail-btns { display: flex; gap: 0.6rem; justify-content: center; }

.speaking-bar {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: #f0a500;
  font-weight: 600;
  padding: 0.5rem;
}

.speaking-bar.active { display: flex; }
.btn-row { display: flex; gap: 0.6rem; flex-wrap: wrap; }

.teacher-container { max-width: 860px; margin: 0 auto; padding: 2rem 1rem; }

.class-code-display {
  background: #1a3a5c;
  color: white;
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.class-code-display .code {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: #f0a500;
}

.copy-code-btn {
  padding: 0.5rem 1rem;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  color: white;
  border-radius: 8px;
  font-size: 0.82rem;
  cursor: pointer;
  font-family: inherit;
}

.teacher-tabs {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.teacher-tab {
  padding: 0.5rem 1rem;
  border: 1.5px solid #e0e0e0;
  border-radius: 8px;
  background: white;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  color: #666;
  font-family: inherit;
  transition: all 0.2s;
  white-space: nowrap;
}

.teacher-tab.active { background: #1a3a5c; color: white; border-color: #1a3a5c; }

/* Language toggle */
.lang-toggle {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.lang-btn {
  padding: 0.45rem 1.1rem;
  border: 2px solid #e0e0e0;
  border-radius: 20px;
  background: white;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  color: #888;
  font-family: inherit;
  transition: all 0.18s ease;
}
.lang-btn.lang-active {
  background: #1a3a5c;
  color: white;
  border-color: #1a3a5c;
}

.student-card {
  background: white;
  border-radius: 14px;
  padding: 1.25rem;
  margin-bottom: 0.75rem;
  border: 1.5px solid #e0e0e0;
  cursor: pointer;
  transition: all 0.2s;
}

.student-card:hover { border-color: #1a3a5c; background: #f8f9ff; }

.student-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.student-card-name { font-weight: 700; font-size: 0.95rem; }
.student-card-meta { font-size: 0.75rem; color: #888; margin-top: 0.1rem; }

.score-pill {
  padding: 0.3rem 0.85rem;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 700;
}

.score-high { background: #e8f5e9; color: #2e7d32; }
.score-mid { background: #fff3cd; color: #856404; }
.score-low { background: #fde8e8; color: #c0392b; }

.difficult-words-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.diff-word-chip {
  padding: 0.2rem 0.6rem;
  background: #fde8e8;
  color: #c0392b;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 600;
}

.class-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: #e8eef8;
  color: #1a3a5c;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 600;
  margin-top: 0.3rem;
}

.empty-state { text-align: center; padding: 3rem 0; color: #bbb; }
.empty-state .icon { font-size: 3rem; margin-bottom: 0.75rem; }

.class-item {
  background: white;
  border: 1.5px solid #e0e0e0;
  border-radius: 12px;
  padding: 1rem 1.25rem;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.class-item-name { font-weight: 700; font-size: 0.95rem; }
.class-item-code { font-size: 0.8rem; color: #f0a500; font-weight: 700; letter-spacing: 0.1em; margin-top: 0.15rem; }

.student-detail-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  align-items: flex-start;
  justify-content: center;
  padding: 2rem 1rem;
  overflow-y: auto;
}

.student-detail-modal.open { display: flex; }

.student-detail-card {
  background: white;
  border-radius: 20px;
  padding: 2rem;
  max-width: 560px;
  width: 100%;
  box-shadow: 0 8px 40px rgba(0,0,0,0.2);
  margin: auto;
}

.student-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.student-detail-name { font-size: 1.3rem; font-weight: 800; color: #1a3a5c; }
.student-detail-meta { font-size: 0.82rem; color: #888; margin-top: 0.2rem; }

.detail-section { margin-bottom: 1.25rem; }
.detail-section-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: #aaa;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.6rem;
}

.detail-feedback {
  background: #f0f5ff;
  border-radius: 10px;
  padding: 1rem;
  font-size: 0.88rem;
  line-height: 1.7;
  color: #333;
  border-left: 3px solid #f0a500;
}

.detail-word-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 600;
  margin: 0.2rem;
}

.detail-word-chip.bad { background: #fde8e8; color: #c0392b; }
.detail-word-chip.ok { background: #fff3cd; color: #856404; }

/* Library */
.library-screen-container { max-width: 860px; margin: 0 auto; padding: 2rem 1rem; }

.library-filters { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.25rem; }

.library-filter-chip {
  padding: 0.4rem 1rem;
  border: 1.5px solid #e0e0e0;
  border-radius: 99px;
  background: white;
  font-size: 0.8rem;
  font-weight: 600;
  color: #666;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s;
}

.library-filter-chip.active { background: #1a3a5c; color: white; border-color: #1a3a5c; }

.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.book-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
  cursor: pointer;
  transition: all 0.2s;
  border: 1.5px solid #e0e0e0;
  display: flex;
  flex-direction: column;
}

.book-card:hover { transform: translateY(-3px); box-shadow: 0 6px 24px rgba(0,0,0,0.12); border-color: #1a3a5c; }

.book-card-cover {
  padding: 1rem;
  height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(135deg, #1a3a5c 0%, #2a5a8c 100%);
}

.book-card-cover.grade-3 { background: linear-gradient(135deg, #2e7d32 0%, #43a047 100%); }
.book-card-cover.grade-4 { background: linear-gradient(135deg, #1a3a5c 0%, #2a5a8c 100%); }
.book-card-cover.grade-5 { background: linear-gradient(135deg, #6a1a5c 0%, #9c3a8c 100%); }
.book-card-cover.grade-6 { background: linear-gradient(135deg, #7a3a1a 0%, #b05a2a 100%); }
.book-card-cover.grade-7 { background: linear-gradient(135deg, #1a4a4a 0%, #2a7a7a 100%); }

.book-card-grade {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: 99px;
  margin-bottom: 0.4rem;
  align-self: flex-start;
}

.book-card-topic { color: rgba(255,255,255,0.85); font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; }

.book-card-title { font-size: 0.9rem; font-weight: 800; color: #1a3a5c; margin-bottom: 0.2rem; line-height: 1.3; }
.book-card-author { font-size: 0.72rem; color: #888; margin-bottom: 0.5rem; }

.book-card-footer { padding: 0.7rem 0.9rem; border-top: 1px solid #f0f0f0; }

.book-card-read-btn {
  width: 100%;
  padding: 0.55rem;
  background: #1a3a5c;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s;
}

.book-card-read-btn:hover { background: #0f2a45; }

.source-teacher-badge {
  display: inline-block;
  background: #fff3cd;
  color: #856404;
  font-size: 0.6rem;
  font-weight: 700;
  padding: 0.1rem 0.45rem;
  border-radius: 99px;
  margin-left: 0.35rem;
  vertical-align: middle;
}

.library-book-admin {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1rem;
  background: #fafafa;
  border-radius: 10px;
  margin-bottom: 0.5rem;
  border: 1.5px solid #e0e0e0;
}

.library-book-admin-title { font-weight: 700; font-size: 0.9rem; color: #1a3a5c; }
.library-book-admin-meta { font-size: 0.75rem; color: #888; margin-top: 0.15rem; }

.btn-danger {
  padding: 0.4rem 0.85rem;
  background: #fde8e8;
  color: #c0392b;
  border: 1.5px solid #e8a0a0;
  border-radius: 7px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  flex-shrink: 0;
  margin-left: 0.75rem;
  transition: all 0.2s;
}

.btn-danger:hover { background: #fbd0d0; }

.book-search-box { position: relative; margin-bottom: 1.25rem; }

.book-search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  border: 1.5px solid #e0e0e0;
  border-radius: 10px;
  font-size: 0.95rem;
  color: #1a1a1a;
  background: #fafafa;
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s;
}

.book-search-input:focus { border-color: #1a3a5c; background: white; }

.book-search-icon {
  position: absolute;
  left: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  pointer-events: none;
}

.book-search-results {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: white;
  border: 1.5px solid #e0e0e0;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  z-index: 50;
  overflow: hidden;
  max-height: 320px;
  overflow-y: auto;
}

.book-search-results.open { display: block; }

.book-search-result {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  cursor: pointer;
  border-bottom: 1px solid #f0f0f0;
  transition: background 0.15s;
}

.book-search-result:last-child { border-bottom: none; }
.book-search-result:hover { background: #f0f5ff; }

.book-search-cover {
  width: 36px;
  height: 52px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
  background: #e0e0e0;
}

.book-search-cover-placeholder {
  width: 36px;
  height: 52px;
  background: linear-gradient(135deg, #1a3a5c, #2a5a8c);
  border-radius: 4px;
  flex-shrink: 0;
}

.book-search-result-title { font-size: 0.88rem; font-weight: 700; color: #1a3a5c; }
.book-search-result-author { font-size: 0.75rem; color: #888; margin-top: 0.1rem; }
.book-search-result-year { font-size: 0.68rem; color: #aaa; margin-top: 0.1rem; }
.book-search-status { padding: 1rem; text-align: center; color: #888; font-size: 0.85rem; }

.book-card-img-container {
  position: relative;
  height: 260px;
  overflow: hidden;
}

.book-card-img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.book-card-img-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem 0.75rem 0.75rem;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 100%);
}
body.splash-active,
body.role-active {
  margin: 0;
  background: #4179CB;
  overflow: hidden;
}

body.splash-active header,
body.role-active header {
  display: none;
}

.bookworm-intro,
#roleScreen {
  min-height: 100vh;
  width: 100vw;
  display: none;
  background: #4179CB;
}

.bookworm-intro.active,
#roleScreen.active {
  display: flex;
}

.bookworm-page {
  width: 100vw;
  height: 100vh;
  background: #4179CB;
  position: relative;
  overflow: hidden;
}

.bookworm-intro .bookworm-page::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 42px;
  height: 100%;
  background: #102260;
}

.bookworm-logo {
  position: absolute;
  top: 15%;
  left: 52%;
  transform: translateX(-50%);
  color: white;
  font-family: Chalkduster, "Marker Felt", fantasy;
  font-size: clamp(4rem, 8vw, 8rem);
  font-weight: 400;
  white-space: nowrap;
  text-shadow: 0 4px 7px rgba(0,0,0,0.18);
}

.bookworm-arc span {
  display: inline-block;
  position: relative;
}

.bookworm-arc span:nth-child(1) { transform: translateY(55px) rotate(-34deg); }
.bookworm-arc span:nth-child(2) { transform: translateY(28px) rotate(-24deg); }
.bookworm-arc span:nth-child(3) { transform: translateY(8px) rotate(-14deg); }
.bookworm-arc span:nth-child(4) { transform: translateY(-10px) rotate(-6deg); }
.bookworm-arc span:nth-child(5) { transform: translateY(-8px) rotate(4deg); }
.bookworm-arc span:nth-child(6) { transform: translateY(4px) rotate(12deg); }
.bookworm-arc span:nth-child(7) { transform: translateY(24px) rotate(22deg); }
.bookworm-arc span:nth-child(8) { transform: translateY(52px) rotate(32deg); }

.bookworm-tagline {
  position: absolute;
  left: 50%;
  bottom: 7%;
  transform: translateX(-50%);
  color: white;
  font-family: "Marker Felt", Chalkduster, fantasy;
  font-size: clamp(0.9rem, 1.4vw, 1.2rem);
  line-height: 1.15;
  text-align: center;
  max-width: 80%;
}

.welcome-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 9%;
}

.welcome-title {
  color: white;
  font-family: Chalkduster, "Marker Felt", fantasy;
  font-size: clamp(3rem, 6vw, 6rem);
  font-weight: 400;
  text-align: center;
  text-shadow: 0 4px 7px rgba(0,0,0,0.18);
}

.welcome-role-selector {
  width: 65%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12%;
  margin-top: 10%;
}

.welcome-role-btn {
  height: 150px;
  border: 3px solid #17224a;
  border-radius: 42px;
  background: #E8EDF7;
  color: #111D45;
  box-shadow: 0 4px 7px rgba(0,0,0,0.18);
  cursor: pointer;
  font-family: "Marker Felt", Chalkduster, fantasy;
  font-size: clamp(1.7rem, 2.4vw, 2.5rem);
}

/* ── Bookworm chat box ── */
.bookworm-panel {
  position: fixed;
  bottom: 104px;
  right: 24px;
  width: 340px;
  height: 460px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.22);
  display: flex;
  flex-direction: column;
  z-index: 9998;
  overflow: hidden;
  transform: scale(0.9) translateY(16px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.bookworm-panel.open {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.bookworm-header {
  background: #2e7d32;
  color: white;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}
.bookworm-messages {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.bookworm-bubble {
  max-width: 82%;
  padding: 0.55rem 0.85rem;
  border-radius: 14px;
  font-size: 0.88rem;
  line-height: 1.45;
  word-break: break-word;
}
.bookworm-bubble.worm {
  background: #e8f5e9;
  color: #1b5e20;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.bookworm-bubble.user {
  background: #1a3a5c;
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.bookworm-quick-btns {
  display: flex;
  gap: 0.4rem;
  padding: 0.5rem 0.75rem 0;
  flex-wrap: wrap;
  flex-shrink: 0;
}
.bookworm-quick-btns button {
  background: #f0f5ff;
  border: 1.5px solid #c8d8f0;
  border-radius: 20px;
  font-size: 0.72rem;
  font-family: inherit;
  color: #1a3a5c;
  padding: 0.3rem 0.7rem;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}
.bookworm-quick-btns button:hover { background: #dce8ff; }

.bookworm-input-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 0.75rem;
  border-top: 1px solid #eee;
  flex-shrink: 0;
}
.bookworm-input {
  flex: 1;
  border: 1.5px solid #ddd;
  border-radius: 20px;
  padding: 0.45rem 0.85rem;
  font-size: 0.85rem;
  font-family: inherit;
  outline: none;
}
.bookworm-input:focus { border-color: #2e7d32; }
.bookworm-mic-btn {
  background: #f0f0f0;
  border: none;
  border-radius: 50%;
  width: 34px;
  height: 34px;
  cursor: pointer;
  font-size: 1rem;
  flex-shrink: 0;
}
.bookworm-mic-btn.listening { background: #e74c3c; animation: pulse 1s infinite; }

.bookworm-send-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #2e7d32;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  color: white;
  flex-shrink: 0;
  transition: background 0.2s;
}

.bookworm-send-btn:hover { background: #1b5e20; }

.btn-bookworm {
  padding: 0.65rem 1.25rem;
  background: #2e7d32;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s;
}

.btn-bookworm:hover { background: #1b5e20; }

#wormFab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 64px;
  height: 64px;
  background: #2e7d32;
  border: none;
  border-radius: 16px;
  cursor: pointer;
  padding: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  z-index: 9999;
  transition: background 0.2s, transform 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}
#wormFab:hover { background: #1b5e20; transform: scale(1.08); }
#wormFab img { width: 100%; height: 100%; object-fit: contain; }

#wormSpeechBubble {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 100px;
  max-width: 240px;
  background: white;
  border: 2px solid #2e7d32;
  border-radius: 16px 16px 4px 16px;
  padding: 0.75rem 1rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  z-index: 9998;
  cursor: pointer;
  animation: bubblePop 0.25s ease;
}
#wormSpeechBubble::after {
  content: '';
  position: absolute;
  bottom: 14px;
  right: -10px;
  border-width: 8px 0 8px 10px;
  border-style: solid;
  border-color: transparent transparent transparent #2e7d32;
}
#wormSpeechBubble::before {
  content: '';
  position: absolute;
  bottom: 16px;
  right: -7px;
  border-width: 6px 0 6px 8px;
  border-style: solid;
  border-color: transparent transparent transparent white;
  z-index: 1;
}
#wormSpeechBubble p {
  margin: 0 0 0.4rem;
  font-size: 0.85rem;
  color: #1a1a1a;
  line-height: 1.45;
  font-family: inherit;
}
.worm-bubble-dismiss {
  font-size: 0.72rem;
  color: #2e7d32;
  font-weight: 700;
  display: block;
  text-align: right;
}
@keyframes bubblePop {
  from { opacity: 0; transform: scale(0.85) translateX(10px); }
  to   { opacity: 1; transform: scale(1) translateX(0); }
}

/* Progress screen */
.progress-loading { color: #aaa; font-size: 0.88rem; padding: 1rem 0; }

.progress-stats-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.progress-stat {
  flex: 1;
  background: #f0f7ff;
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
}

.progress-stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1;
}

.progress-stat-label {
  font-size: 0.72rem;
  color: #777;
  margin-top: 0.3rem;
}

.progress-session-card {
  border: 1px solid #e8eef5;
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 0.75rem;
}

.progress-session-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.progress-session-title {
  font-weight: 700;
  font-size: 0.92rem;
  color: #1a3a5c;
  flex: 1;
}

.progress-session-score {
  font-size: 1.1rem;
  font-weight: 800;
  flex-shrink: 0;
}

.progress-session-scores {
  display: flex;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: #666;
  margin-bottom: 0.35rem;
  flex-wrap: wrap;
}

.progress-session-words {
  font-size: 0.75rem;
  color: #c0392b;
  margin-bottom: 0.35rem;
}

.progress-session-date {
  font-size: 0.72rem;
  color: #aaa;
}

/* Streak */
.streak-card {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #fff8e1, #fff3cd);
  border: 1px solid #f0c040;
  border-radius: 12px;
  padding: 0.9rem 1.1rem;
  margin-bottom: 1.25rem;
}

.streak-card.streak-zero {
  background: #f8f8f8;
  border-color: #e0e0e0;
  color: #888;
  font-size: 0.88rem;
}

.streak-flame { font-size: 1.6rem; line-height: 1; }

.streak-number {
  font-size: 2rem;
  font-weight: 900;
  color: #e65100;
  line-height: 1;
}

.streak-label {
  font-size: 0.85rem;
  color: #7a5200;
  font-weight: 600;
}

/* Reading level */
.level-card {
  background: #f0f7ff;
  border-radius: 12px;
  padding: 1rem 1.1rem;
  margin-bottom: 1.25rem;
}

.level-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
}

.level-title { font-size: 0.82rem; color: #666; font-weight: 600; }
.level-grade { font-size: 0.88rem; font-weight: 800; color: #1a3a5c; }

.level-bar-wrap {
  height: 8px;
  background: #d0e4f7;
  border-radius: 99px;
  overflow: hidden;
  margin-bottom: 0.4rem;
}

.level-bar {
  height: 100%;
  background: linear-gradient(90deg, #1a3a5c, #2196f3);
  border-radius: 99px;
  transition: width 0.6s ease;
}

.level-hint { font-size: 0.75rem; color: #888; }

.level-ready {
  font-size: 0.9rem;
  font-weight: 700;
  color: #2e7d32;
}

/* Word practice button */
.btn-word-practice {
  width: 100%;
  padding: 0.8rem;
  background: #e8f4e8;
  color: #2e7d32;
  border: 1.5px solid #a5d6a7;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  margin-bottom: 0.5rem;
  transition: background 0.2s;
}

.btn-word-practice:hover { background: #d0ecd0; }

/* Word practice rows */
.word-practice-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid #f0f0f0;
  gap: 0.5rem;
}

.word-practice-row:last-child { border-bottom: none; }

.word-practice-info { display: flex; flex-direction: column; gap: 0.15rem; }

.word-practice-word {
  font-size: 1rem;
  font-weight: 700;
  color: #1a3a5c;
}

.word-practice-count {
  font-size: 0.72rem;
  color: #c0392b;
}

/* Teacher analytics */
.analytics-section {
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid #eef2f7;
}

.analytics-heading {
  font-size: 0.95rem;
  color: #1a3a5c;
  margin-bottom: 0.75rem;
}

/* Student overview cards */
.soc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
}

.soc {
  background: #f8faff;
  border: 1px solid #e0eaf5;
  border-radius: 12px;
  padding: 0.9rem;
}

.soc.soc-inactive {
  background: #fff8f0;
  border-color: #f5d5b0;
}

.soc-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.soc-name {
  font-weight: 700;
  font-size: 0.88rem;
  color: #1a3a5c;
}

.soc-grade {
  font-size: 0.72rem;
  color: #888;
  margin-top: 0.1rem;
}

.soc-score {
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1;
}

.soc-trend {
  font-size: 0.9rem;
  font-weight: 700;
  text-align: right;
}

.soc-footer {
  font-size: 0.72rem;
  color: #888;
}

.soc-warn {
  color: #c0392b;
  font-weight: 600;
}

/* Word heatmap */
.word-heatmap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.word-heat-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 700;
}

.word-heat-chip.heat-high { background: #fde8e8; color: #c62828; }
.word-heat-chip.heat-mid  { background: #fff3cd; color: #856404; }
.word-heat-chip.heat-low  { background: #f0f5ff; color: #1a3a5c; }

.word-heat-count {
  font-size: 0.65rem;
  font-weight: 400;
  margin-top: 0.15rem;
  opacity: 0.8;
}

/* Assignments */
.assignment-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0;
  border-bottom: 1px solid #f0f0f0;
  gap: 0.5rem;
}

.assignment-row:last-child { border-bottom: none; }

.assignment-title {
  font-weight: 700;
  font-size: 0.88rem;
  color: #1a3a5c;
}

.assignment-class {
  font-size: 0.75rem;
  color: #888;
  margin-top: 0.1rem;
}

.source-assigned-badge {
  display: inline-block;
  background: #fff3cd;
  color: #856404;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 5px;
  margin-left: 0.4rem;
  vertical-align: middle;
}

.welcome-role-btn:hover {
  transform: translateY(-3px);
}

/* Illustrated badge */
.source-illustrated-badge {
  display: inline-block;
  background: #e8f4e8;
  color: #2e7d32;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 5px;
  margin-left: 0.4rem;
  vertical-align: middle;
}

/* Book reader screen */
.reader-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.reader-progress-wrap {
  flex: 1;
  height: 6px;
  background: #e8eef5;
  border-radius: 99px;
  overflow: hidden;
}

.reader-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #1a3a5c, #2196f3);
  border-radius: 99px;
  transition: width 0.4s ease;
}

.reader-page-label {
  font-size: 0.78rem;
  color: #888;
  white-space: nowrap;
  font-weight: 600;
}

.reader-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: #1a3a5c;
  text-align: center;
  margin-bottom: 0.75rem;
}

.reader-image-wrap {
  width: 100%;
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 1rem;
  background: #f0f7ff;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.reader-image {
  width: 100%;
  max-height: 320px;
  object-fit: contain;
  display: block;
}

.reader-text {
  font-size: 1.1rem;
  line-height: 2;
  color: #1a1a1a;
  background: #f8f9ff;
  border-radius: 12px;
  padding: 1.25rem;
  border-left: 4px solid #1a3a5c;
  margin-bottom: 1rem;
  font-weight: 500;
}

.reader-text .passage-word {
  font-weight: 500;
}

.reader-score-row {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.reader-score-chip {
  flex: 1;
  background: #f8f9ff;
  border: 1px solid #e8eef5;
  border-radius: 10px;
  padding: 0.65rem 0.5rem;
  text-align: center;
}

/* Assignment deadline badges */
.assign-done     { background: #e8f5e9; color: #2e7d32; }
.assign-urgent   { background: #fde8e8; color: #c62828; font-weight: 700; }
.assign-soon     { background: #fff3cd; color: #856404; font-weight: 700; }
.assign-overdue  { background: #c62828; color: white;   font-weight: 700; }

/* Assignment completion progress bar */
.assign-progress-wrap {
  height: 5px;
  background: #e8eef5;
  border-radius: 99px;
  overflow: hidden;
  margin-top: 0.5rem;
}

.assign-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #1a3a5c, #2196f3);
  border-radius: 99px;
  transition: width 0.4s ease;
}

/* At-risk student alert */
.at-risk-card {
  background: #fff5f5;
  border: 1.5px solid #e74c3c;
  border-radius: 14px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.at-risk-header {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.at-risk-list {
  display: flex;
  flex-direction: column;
}

.at-risk-row {
  padding: 0.6rem 0;
  border-bottom: 1px solid #fde0e0;
}

.at-risk-row:last-child { border-bottom: none; }

.at-risk-name {
  font-weight: 700;
  font-size: 0.92rem;
  color: #c62828;
  margin-bottom: 0.15rem;
}

.at-risk-grade {
  font-weight: 400;
  color: #888;
  font-size: 0.78rem;
  margin-left: 0.35rem;
}

.at-risk-reasons {
  font-size: 0.82rem;
  color: #555;
}

/* Live reading dashboard */
.live-section {
  background: #f0fff4;
  border: 1.5px solid #a5d6a7;
  border-radius: 12px;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
}
.live-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
}
.live-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #2e7d32;
}
.live-count {
  font-size: 0.75rem;
  color: #888;
  margin-left: auto;
}
.live-readers {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.live-reader-chip {
  display: flex;
  flex-direction: column;
  background: white;
  border-radius: 10px;
  padding: 0.4rem 0.75rem;
  border: 1.5px solid #c8e6c9;
  min-width: 120px;
}
.live-reader-name {
  font-size: 0.82rem;
  font-weight: 700;
  color: #1a3a5c;
}
.live-reader-book {
  font-size: 0.72rem;
  color: #888;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 160px;
}
.pulse-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: #2e7d32;
  border-radius: 50%;
  animation: pulse-live 1.4s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes pulse-live {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.5); opacity: 0.5; }
}

/* Reading level badges */
.level-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  margin-left: 0.4rem;
}
.level-match { background: #e8f5e9; color: #2e7d32; }
.level-hard  { background: #fff3cd; color: #856404; }

/* Bookworm chat panel */
.bookworm-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 360px;
  max-width: 100vw;
  background: #1a3a5c;
  color: white;
  display: flex;
  flex-direction: column;
  z-index: 300;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -4px 0 32px rgba(0,0,0,0.25);
}

.bookworm-panel.open {
  transform: translateX(0);
}

.bookworm-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: rgba(0,0,0,0.2);
  flex-shrink: 0;
}

.bookworm-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.bookworm-bubble {
  max-width: 85%;
  padding: 0.75rem 1rem;
  border-radius: 16px;
  font-size: 0.9rem;
  line-height: 1.55;
  word-wrap: break-word;
}

.bookworm-bubble.worm {
  background: rgba(255,255,255,0.15);
  color: white;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.bookworm-bubble.student {
  background: #f0a500;
  color: #1a1a1a;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
  font-weight: 500;
}

.bookworm-bubble.typing {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.65);
  align-self: flex-start;
  font-style: italic;
  font-size: 0.82rem;
}

.bookworm-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(0,0,0,0.2);
  flex-shrink: 0;
}

.bookworm-input {
  flex: 1;
  padding: 0.6rem 0.9rem;
  border: none;
  border-radius: 20px;
  font-size: 0.88rem;
  font-family: inherit;
  background: rgba(255,255,255,0.15);
  color: white;
  outline: none;
}

.bookworm-input::placeholder { color: rgba(255,255,255,0.55); }
.bookworm-input:focus { background: rgba(255,255,255,0.22); }

.bookworm-mic-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: background 0.2s;
}

.bookworm-mic-btn:hover { background: rgba(255,255,255,0.25); }

/* Comprehension quiz */
.comp-question {
  margin-bottom: 1.5rem;
}

.comp-q-text {
  font-size: 0.95rem;
  font-weight: 700;
  color: #1a3a5c;
  margin-bottom: 0.75rem;
  line-height: 1.45;
}

.comp-choices {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.comp-choice-btn {
  text-align: left;
  padding: 0.65rem 1rem;
  background: #f8f9ff;
  border: 1.5px solid #e0e6f0;
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.88rem;
  color: #333;
  cursor: pointer;
  transition: all 0.15s ease;
}

.comp-choice-btn:hover:not(:disabled) {
  background: #e8f0fe;
  border-color: #1a3a5c;
}

.comp-choice-btn.selected {
  background: #e8f0fe;
  border-color: #1a3a5c;
  color: #1a3a5c;
  font-weight: 600;
}

.comp-choice-btn.comp-correct {
  background: #e8f5e9;
  border-color: #2e7d32;
  color: #2e7d32;
  font-weight: 700;
}

.comp-choice-btn.comp-incorrect {
  background: #fde8e8;
  border-color: #c62828;
  color: #c62828;
  text-decoration: line-through;
}

/* ── Weekly Summaries ────────────────────────────────────────────────────── */

.btn-weekly-summary {
  padding: 0.4rem 0.85rem;
  background: #f0f5ff;
  border: 1.5px solid #c8d8f0;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #1a3a5c;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
}

.btn-weekly-summary:hover:not(:disabled) { background: #dce8f8; }
.btn-weekly-summary:disabled { opacity: 0.6; cursor: default; }

.weekly-summary-row {
  border: 1.5px solid #eee;
  border-radius: 12px;
  padding: 1rem 1.1rem;
  margin-bottom: 0.75rem;
  background: white;
}

.weekly-summary-inactive {
  background: #fafafa;
  border-color: #f0f0f0;
}

.weekly-summary-meta {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}

.weekly-summary-name {
  font-weight: 800;
  font-size: 0.92rem;
  color: #1a3a5c;
}

.weekly-summary-grade {
  font-size: 0.72rem;
  color: #aaa;
}

.weekly-summary-text {
  font-size: 0.85rem;
  color: #444;
  line-height: 1.55;
  margin-bottom: 0.65rem;
}

.weekly-copy-btn {
  padding: 0.3rem 0.75rem;
  background: #f0f5ff;
  border: 1.5px solid #c8d8f0;
  border-radius: 7px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #1a3a5c;
  cursor: pointer;
  font-family: inherit;
}

.weekly-copy-btn:hover { background: #dce8f8; }

/* ── Lesson Plan Generator ───────────────────────────────────────────────── */

.btn-lesson-plan {
  display: block;
  width: 100%;
  margin-top: 1rem;
  padding: 0.8rem;
  background: #1a3a5c;
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  text-align: center;
  transition: background 0.2s;
}

.btn-lesson-plan:hover:not(:disabled) { background: #0f2540; }
.btn-lesson-plan:disabled { opacity: 0.65; cursor: default; }

.lesson-plan-card {
  margin-top: 1rem;
  border: 1.5px solid #c8d8f0;
  border-radius: 14px;
  overflow: hidden;
}

.lesson-plan-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: #1a3a5c;
  color: white;
  padding: 0.9rem 1.1rem;
}

.lesson-plan-title {
  font-weight: 800;
  font-size: 0.95rem;
}

.lesson-plan-sub {
  font-size: 0.68rem;
  opacity: 0.75;
  margin-top: 0.1rem;
}

.lesson-copy-btn {
  margin-left: auto;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.35);
  color: white;
  border-radius: 8px;
  padding: 0.3rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
}

.lesson-copy-btn:hover { background: rgba(255,255,255,0.3); }

.lesson-plan-body {
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.lesson-section-label {
  font-weight: 800;
  font-size: 0.85rem;
  margin-top: 0.75rem;
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
}

.hook-label { background: #fff3cd; color: #856404; }
.activity-label { background: #e8f5e9; color: #2e7d32; }

.lesson-word-block {
  background: #f8f9ff;
  border: 1.5px solid #e0e8f8;
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
  margin-top: 0.5rem;
}

.lesson-word-name {
  font-size: 1rem;
  font-weight: 800;
  color: #1a3a5c;
  text-transform: capitalize;
  margin-bottom: 0.4rem;
}

.lesson-word-line {
  font-size: 0.82rem;
  color: #444;
  line-height: 1.5;
  padding: 0.1rem 0;
}

.lesson-word-label {
  font-weight: 700;
  color: #1a3a5c;
}

.lesson-plain-line {
  font-size: 0.82rem;
  color: #555;
  line-height: 1.5;
}

/* ── Teacher Notes ───────────────────────────────────────────────────────── */

.soc-notes-btn {
  display: block;
  width: 100%;
  margin-top: 0.6rem;
  padding: 0.35rem;
  background: #f0f5ff;
  border: 1.5px solid #c8d8f0;
  border-radius: 8px;
  font-size: 0.72rem;
  font-weight: 600;
  color: #1a3a5c;
  cursor: pointer;
  font-family: inherit;
  text-align: center;
}

.soc-notes-btn:hover { background: #dce8f8; }

.notes-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 500;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.notes-modal-overlay.open { display: flex; }

.notes-modal-card {
  background: white;
  border-radius: 18px;
  padding: 1.5rem;
  width: 100%;
  max-width: 480px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 40px rgba(0,0,0,0.18);
}

.notes-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid #eee;
}

.notes-list {
  flex: 1;
  overflow-y: auto;
  margin-bottom: 1rem;
}

.note-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid #f0f0f0;
}

.note-row:last-child { border-bottom: none; }

.note-content { flex: 1; }

.note-date {
  font-size: 0.68rem;
  color: #aaa;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.note-text {
  font-size: 0.88rem;
  color: #333;
  line-height: 1.45;
}

.note-delete-btn {
  background: none;
  border: none;
  color: #ccc;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0 0.25rem;
  line-height: 1;
  flex-shrink: 0;
}

.note-delete-btn:hover { color: #c62828; }

.notes-input-row {
  display: flex;
  gap: 0.6rem;
  align-items: flex-end;
  border-top: 1px solid #eee;
  padding-top: 0.75rem;
}

.notes-textarea {
  flex: 1;
  padding: 0.65rem 0.9rem;
  border: 1.5px solid #e0e0e0;
  border-radius: 10px;
  font-size: 0.85rem;
  font-family: inherit;
  color: #1a1a1a;
  resize: none;
  height: 62px;
  outline: none;
  background: #fafafa;
}

.notes-textarea:focus { border-color: #1a3a5c; background: white; }

/* ── Progress Screen ─────────────────────────────────────────────────────── */

.streak-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, #ff6b35, #f7931e);
  border-radius: 14px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  color: white;
}

.streak-card.streak-zero {
  background: #f0f5ff;
  color: #1a3a5c;
  font-weight: 600;
  font-size: 0.9rem;
  justify-content: center;
}

.streak-flame { font-size: 2rem; line-height: 1; }
.streak-number { font-size: 2rem; font-weight: 900; }
.streak-label { font-size: 0.88rem; opacity: 0.9; }

.progress-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.progress-stat {
  background: #f8f9ff;
  border-radius: 12px;
  padding: 0.85rem 0.5rem;
  text-align: center;
}

.progress-stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
}

.progress-stat-label {
  font-size: 0.68rem;
  color: #888;
  margin-top: 0.3rem;
  font-weight: 600;
}

/* Bar chart */
.progress-chart {
  display: flex;
  align-items: flex-end;
  gap: 0.4rem;
  height: 120px;
  padding-bottom: 0;
}

.progress-bar-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  height: 100%;
}

.progress-bar-score {
  font-size: 0.62rem;
  font-weight: 700;
  white-space: nowrap;
}

.progress-bar-wrap {
  flex: 1;
  width: 100%;
  background: #f0f0f0;
  border-radius: 6px 6px 0 0;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.progress-bar-fill {
  width: 100%;
  border-radius: 6px 6px 0 0;
}

.progress-bar-label {
  font-size: 0.58rem;
  color: #555;
  text-align: center;
  word-break: break-word;
  line-height: 1.2;
  margin-top: 0.2rem;
}

.progress-bar-date {
  font-size: 0.55rem;
  color: #aaa;
}

/* Session history cards */
.progress-session-card {
  border: 1.5px solid #eee;
  border-radius: 12px;
  padding: 0.85rem 1rem;
  margin-bottom: 0.6rem;
  background: #fafafa;
}

.progress-session-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.3rem;
}

.progress-session-title {
  font-weight: 700;
  font-size: 0.88rem;
  color: #1a3a5c;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-right: 0.5rem;
}

.progress-session-score {
  font-size: 1rem;
  font-weight: 800;
  white-space: nowrap;
}

.progress-session-scores {
  display: flex;
  gap: 0.75rem;
  font-size: 0.72rem;
  color: #888;
  flex-wrap: wrap;
  margin-bottom: 0.2rem;
}

.progress-session-words {
  font-size: 0.72rem;
  color: #e65100;
  margin-top: 0.2rem;
}

.progress-session-date {
  font-size: 0.7rem;
  color: #bbb;
  margin-top: 0.3rem;
}

/* Reading level bar */
.level-card {
  background: #f0f5ff;
  border-radius: 12px;
  padding: 1rem 1.1rem;
  margin-top: 1rem;
}

.level-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
}

.level-title { font-size: 0.85rem; font-weight: 700; color: #1a3a5c; }
.level-grade { font-size: 0.78rem; color: #888; font-weight: 600; }

.level-bar-wrap {
  height: 8px;
  background: #d0d8e8;
  border-radius: 99px;
  overflow: hidden;
  margin-bottom: 0.4rem;
}

.level-bar {
  height: 100%;
  background: #1a3a5c;
  border-radius: 99px;
  transition: width 0.5s ease;
}

.level-hint { font-size: 0.72rem; color: #888; }
.level-ready { font-size: 0.85rem; font-weight: 700; color: #2e7d32; }

/* Word practice button */
.btn-word-practice {
  display: block;
  width: 100%;
  margin-top: 1.25rem;
  padding: 0.85rem;
  background: #2e7d32;
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  text-align: center;
}

.btn-word-practice:hover { background: #1b5e20; }

/* Word practice rows */
.word-practice-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 0;
  border-bottom: 1px solid #eee;
}

.word-practice-row:last-child { border-bottom: none; }

.word-practice-info {
  display: flex;
  flex-direction: column;
}

.word-practice-word {
  font-size: 1.1rem;
  font-weight: 700;
  color: #1a3a5c;
  text-transform: capitalize;
}

.word-practice-count {
  font-size: 0.72rem;
  color: #e65100;
  margin-top: 0.1rem;
}

.progress-loading {
  text-align: center;
  color: #aaa;
  font-size: 0.88rem;
  padding: 1.5rem 0;
}

/* ── Word Practice (try saying it) ───────────────────────────────────────── */

.word-practice-try-section {
  margin: 1rem 0 0.5rem;
  padding: 1rem;
  background: #f0f5ff;
  border-radius: 12px;
}

.word-practice-try-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: #1a3a5c;
  margin-bottom: 0.6rem;
}

.word-try-btn {
  padding: 0.55rem 1rem;
  background: #1a3a5c;
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
}

.word-try-btn:hover:not(:disabled) { background: #0f2540; }
.word-try-btn:disabled { opacity: 0.6; cursor: default; }

.word-practice-result-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  min-height: 1.4rem;
}

.word-practice-score {
  font-size: 1.1rem;
  font-weight: 800;
}

.word-practice-msg {
  font-size: 0.78rem;
  color: #666;
}

/* ── Privacy page ──────────────────────────────────────────────────────────── */
.privacy-link-row {
  position: fixed;
  bottom: 1.5rem;
  left: 0;
  right: 0;
  text-align: center;
}
.privacy-link {
  background: white;
  border: 1.5px solid #dde3ec;
  border-radius: 20px;
  font-size: 0.8rem;
  color: #888;
  cursor: pointer;
  font-family: inherit;
  padding: 0.4rem 1rem;
  transition: color 0.2s, border-color 0.2s;
}
.privacy-link:hover { color: #1a3a5c; border-color: #1a3a5c; }

.privacy-section {
  margin-bottom: 1.5rem;
}
.privacy-section h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #1a3a5c;
  margin-bottom: 0.5rem;
}
.privacy-section p {
  font-size: 0.85rem;
  color: #444;
  line-height: 1.65;
  margin: 0;
}
.privacy-list {
  font-size: 0.85rem;
  color: #444;
  line-height: 1.65;
  padding-left: 1.25rem;
  margin: 0;
}
.privacy-list li { margin-bottom: 0.5rem; }
.privacy-list li:last-child { margin-bottom: 0; }

.privacy-vendor-grid {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 0.75rem;
}
.privacy-vendor {
  background: #f8f9ff;
  border: 1px solid #e8eeff;
  border-radius: 10px;
  padding: 0.75rem 1rem;
}
.privacy-vendor-name {
  font-size: 0.82rem;
  font-weight: 700;
  color: #1a3a5c;
  margin-bottom: 0.2rem;
}
.privacy-vendor-desc {
  font-size: 0.78rem;
  color: #666;
  line-height: 1.5;
}

/* ── Bookworm confidence check-in ──────────────────────────────────────────── */
.confidence-btns {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.6rem;
  flex-wrap: wrap;
}
.confidence-btns button {
  background: #fff;
  border: 1.5px solid #a5d6a7;
  border-radius: 20px;
  padding: 0.35rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  color: #1b5e20;
  transition: background 0.15s, transform 0.1s;
}
.confidence-btns button:hover {
  background: #e8f5e9;
  transform: scale(1.05);
}

/* ── Hidden-struggle student card ──────────────────────────────────────────── */
.soc-hidden-struggle {
  border: 1.5px solid #f0a500 !important;
  background: #fffbf0 !important;
}

/* ── Score breakdown panel ─────────────────────────────────────────────────── */
.score-breakdown-toggle {
  width: 100%;
  background: #f5f7ff;
  border: 1.5px solid #dce4f5;
  border-radius: 10px;
  padding: 0.65rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #1a3a5c;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: background 0.2s;
}
.score-breakdown-toggle:hover { background: #e8eeff; }

.score-breakdown-panel {
  background: #f9fbff;
  border: 1.5px solid #dce4f5;
  border-top: none;
  border-radius: 0 0 10px 10px;
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  animation: bubble-rise 0.2s ease;
}

.breakdown-row {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.breakdown-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  width: 2rem;
  text-align: center;
  padding-top: 0.05rem;
}

.breakdown-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: #1a3a5c;
  margin-bottom: 0.2rem;
}

.breakdown-text {
  font-size: 0.8rem;
  color: #555;
  line-height: 1.5;
}

.overall-row {
  border-top: 1px solid #e0e8f8;
  padding-top: 0.75rem;
}

/* ── Score count-up animation ──────────────────────────────────────────────── */
.score-badge .num {
  display: inline-block;
  transition: transform 0.15s ease;
}
.score-badge .num.pop {
  transform: scale(1.35);
}

/* ── Confetti ──────────────────────────────────────────────────────────────── */
.confetti-piece {
  position: fixed;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  pointer-events: none;
  z-index: 99999;
  animation: confetti-fall var(--dur, 1.4s) ease-in forwards;
}
@keyframes confetti-fall {
  0%   { transform: translateY(0) rotate(0deg) scale(1); opacity: 1; }
  80%  { opacity: 1; }
  100% { transform: translateY(var(--dy, 600px)) rotate(var(--rot, 360deg)) scale(0.6); opacity: 0; }
}

/* ── Word card flip ────────────────────────────────────────────────────────── */
.word-card {
  perspective: 700px;
  cursor: pointer;
}
.word-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}
.word-card.flipped .word-card-inner {
  transform: rotateY(180deg);
}
.word-card-front,
.word-card-back {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.word-card-back {
  position: absolute;
  inset: 0;
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.6rem;
  background: #1a3a5c;
  border-radius: inherit;
  color: #fff;
  font-size: 0.82rem;
  line-height: 1.45;
  text-align: center;
  gap: 0.4rem;
}
.word-card-back .back-word { font-size: 1rem; font-weight: 800; }
.word-card-back .back-def  { opacity: 0.9; }

/* ── Bookworm panel spring open ────────────────────────────────────────────── */
.bookworm-panel {
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.25s ease !important;
}

/* ── Bookworm chat bubble slide-up ─────────────────────────────────────────── */
@keyframes bubble-rise {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.bookworm-bubble {
  animation: bubble-rise 0.22s ease forwards;
}

/* ── Mic ripple ────────────────────────────────────────────────────────────── */
.mic-btn.recording,
.bookworm-mic-btn.listening {
  position: relative;
  overflow: visible;
}
.mic-btn.recording::after,
.bookworm-mic-btn.listening::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 3px solid #e74c3c;
  animation: mic-ripple 1s ease-out infinite;
  pointer-events: none;
}
@keyframes mic-ripple {
  0%   { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.7); opacity: 0; }
}

/* ── Progress chart bar stagger ────────────────────────────────────────────── */
@keyframes bar-grow {
  from { height: 0 !important; }
  to   { height: var(--h); }
}
.progress-bar-fill {
  animation: bar-grow 0.55s ease forwards;
  animation-delay: var(--delay, 0s);
  height: 0 !important;
}

/* ── Screen slide transition ───────────────────────────────────────────────── */
@keyframes screen-in {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
.screen.active {
  animation: screen-in 0.35s ease forwards;
}

/* ── Score badge pop-in on feedback reveal ─────────────────────────────────── */
@keyframes badge-pop {
  0%   { transform: scale(0.7); opacity: 0; }
  70%  { transform: scale(1.1); }
  100% { transform: scale(1);   opacity: 1; }
}
.score-badge.animate-in {
  animation: badge-pop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}
.score-badge { opacity: 1; }