/* ── Home Page ──────────────────────────────────────────────────── */
.home-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.greeting-text { font-size: 22px; font-weight: 700; display: block; }
.home-date { font-size: 13px; color: var(--subtext); display: block; }
.target-badge {
  display: flex; align-items: center; gap: 6px;
  background: var(--primary-light);
  border-radius: 20px;
  padding: 6px 12px;
  font-size: 12px; font-weight: 600;
  color: var(--primary);
}
.target-emoji { font-size: 16px; }

/* Streak Banner */
.streak-banner {
  background: linear-gradient(135deg, #1A1A2E, #2D3561);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  color: white;
}
.streak-banner.checked { background: linear-gradient(135deg, #1F4037, #2D6A4F); }
.streak-left { display: flex; align-items: center; gap: 12px; }
.streak-fire { font-size: 32px; }
.streak-count { font-size: 16px; font-weight: 700; }
.streak-msg { font-size: 12px; opacity: 0.8; margin-top: 2px; }

.checkin-btn {
  background: #FF6B6B;
  color: white;
  border: none;
  border-radius: 20px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  flex-shrink: 0;
}
.checked-badge {
  background: rgba(255,255,255,0.2);
  border-radius: 20px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
}

/* Phase card */
.phase-card { padding: 14px 16px; }
.phase-header { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; }
.phase-emoji { font-size: 24px; flex-shrink: 0; }
.phase-info { flex: 1; }
.phase-name { font-size: 16px; font-weight: 700; }
.phase-desc { font-size: 12px; color: var(--subtext); margin-top: 2px; }
.phase-days { font-size: 13px; font-weight: 700; color: var(--primary); flex-shrink: 0; }

.phase-bars { display: flex; gap: 6px; }
.phase-bar-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.phase-bar-item > div:first-child {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}
.phase-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.5s ease;
}
.phase-bar-label { font-size: 10px; color: var(--subtext); text-align: center; }
.phase-bar-item.active .phase-bar-label { color: var(--primary); font-weight: 600; }

/* Today grid */
.today-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}
.today-card {
  background: var(--card);
  border-radius: var(--radius-sm);
  padding: 14px 10px;
  text-align: center;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.15s;
}
.today-card:active { transform: scale(0.96); }
.today-icon { font-size: 24px; margin-bottom: 6px; }
.today-label { font-size: 12px; font-weight: 600; margin-bottom: 6px; }
.today-progress-bar { height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; margin: 4px 0; }
.today-bar-fill { height: 100%; background: var(--primary); border-radius: 2px; }
.today-count { font-size: 11px; color: var(--subtext); }
.today-sessions { font-size: 11px; color: var(--subtext); }

/* Vocab overview */
.vocab-overview {
  display: flex;
  align-items: center;
  padding: 14px 16px;
}
.vocab-stat { flex: 1; text-align: center; }
.vocab-stat-num { font-size: 22px; font-weight: 700; }
.vocab-stat-label { font-size: 11px; color: var(--subtext); margin-top: 2px; }
.vocab-divider { width: 1px; height: 36px; background: var(--border); }

/* Tip card */
.tip-card { display: flex; gap: 12px; align-items: flex-start; }
.tip-icon { font-size: 20px; flex-shrink: 0; }
.tip-title { font-size: 12px; font-weight: 700; color: var(--subtext); margin-bottom: 4px; }
.tip-text { font-size: 14px; line-height: 1.6; color: var(--text); }

/* Settings */
.settings-row { text-align: center; padding: 8px 0; }
.build-info { font-size: 11px; color: var(--subtext); opacity: 0.5; margin-top: 2px; }
.settings-link {
  background: none; border: none; color: var(--subtext);
  font-size: 14px; cursor: pointer; padding: 8px 16px;
  display: inline-flex; align-items: center; gap: 8px;
}
.api-status-badge { display: inline-flex; }
.api-badge-on {
  background: #E8F5E9; color: #2E7D32;
  font-size: 12px; font-weight: 700;
  padding: 2px 8px; border-radius: 10px;
}
.api-badge-off {
  background: #FFF3E0; color: #E65100;
  font-size: 12px; font-weight: 600;
  padding: 2px 8px; border-radius: 10px;
}

/* ── Vocab Page ──────────────────────────────────────────────────── */
.vocab-stats-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}
.vs-item {
  flex: 1;
  text-align: center;
  padding: 6px 8px;
  background: var(--card);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow);
}
.vs-item.known { color: var(--secondary); }
.vs-item.unknown { color: var(--danger); }
.vs-btn {
  flex: 1;
  padding: 8px 10px;
  background: var(--primary-light);
  color: var(--primary);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

/* Flashcard */
.flashcard-container {
  perspective: 1000px;
  margin-bottom: 16px;
}

.flashcard {
  width: 100%;
  min-height: 280px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: pan-y;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
}

.flashcard-inner {
  position: relative;
  width: 100%;
  min-height: 280px;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}
.flashcard-inner.flipped { transform: rotateY(180deg); }

.flashcard-front, .flashcard-back {
  position: absolute;
  inset: 0;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  min-height: 280px;
}

.flashcard-back {
  transform: rotateY(180deg);
  background: linear-gradient(135deg, var(--primary), #7B9FFF);
  color: white;
}

.card-topic-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--primary-light);
  color: var(--primary);
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

.card-word {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  color: var(--text);
  margin-bottom: 8px;
}
.card-phonetic-row { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.card-phonetic {
  font-size: 16px;
  color: var(--subtext);
  font-style: italic;
}
.btn-speak-word {
  background: none; border: none; font-size: 18px; cursor: pointer;
  padding: 2px 6px; border-radius: 8px; line-height: 1;
  color: var(--primary); opacity: 0.7;
}
.btn-speak-word:active { opacity: 1; transform: scale(1.2); }
.card-pos {
  font-size: 13px;
  color: var(--subtext);
  background: var(--bg);
  padding: 3px 10px;
  border-radius: 10px;
}

.card-word-small {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  opacity: 0.9;
}
.card-def {
  font-size: 22px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
}
.card-examples-list {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 8px;
}
.card-example-item {
  display: flex;
  gap: 4px;
  align-items: flex-start;
}
.card-example-num {
  font-size: 11px;
  opacity: 0.6;
  flex-shrink: 0;
  padding-top: 2px;
}
.card-example {
  font-size: 13px;
  text-align: left;
  opacity: 0.85;
  line-height: 1.6;
  font-style: italic;
}
.card-example-label {
  font-size: 11px;
  opacity: 0.6;
  margin-top: 2px;
}

.tap-hint {
  text-align: center;
  font-size: 12px;
  color: var(--subtext);
  margin-top: 10px;
}

/* Card action buttons */
.card-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 8px;
}

.action-btn {
  flex: 1;
  padding: 16px;
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
}
.action-btn:active { opacity: 0.8; transform: scale(0.97); }
.unknown-btn { background: #FFF0F0; color: var(--danger); }
.known-btn { background: #F0FFF4; color: var(--secondary); }

.card-actions-placeholder { text-align: center; }
.hint-text { font-size: 13px; color: var(--subtext); }

/* Card swipe animations */
@keyframes swipeRight {
  from { transform: translateX(0) rotate(0); opacity: 1; }
  to   { transform: translateX(120%) rotate(15deg); opacity: 0; }
}
@keyframes swipeLeft {
  from { transform: translateX(0) rotate(0); opacity: 1; }
  to   { transform: translateX(-120%) rotate(-15deg); opacity: 0; }
}
.swipe-right { animation: swipeRight 0.35s ease forwards; }
.swipe-left  { animation: swipeLeft  0.35s ease forwards; }

/* Word browser list */
.filter-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 12px;
}
.filter-select {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: var(--bg);
}
.filter-tabs {
  display: flex;
  gap: 6px;
}
.filter-tab {
  flex: 1;
  padding: 7px 6px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12px;
  background: white;
  cursor: pointer;
  color: var(--subtext);
}
.filter-tab.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.word-list { overflow-y: auto; }
.word-row {
  padding: 12px 4px;
  border-bottom: 1px solid var(--border);
}
.word-row.known .word-row-word { color: var(--secondary); }
.word-row.unknown .word-row-word { color: var(--danger); }
.word-row-main { display: flex; align-items: center; gap: 8px; margin-bottom: 3px; }
.word-row-word { font-size: 16px; font-weight: 700; }
.word-row-pos { font-size: 11px; color: var(--subtext); background: var(--bg); padding: 2px 7px; border-radius: 8px; }
.word-row-def { font-size: 13px; color: var(--subtext); }

/* ── Speaking Page ───────────────────────────────────────────────── */
.speaking-stats-mini { font-size: 13px; color: var(--subtext); }

.part-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.part-tab {
  flex: 1;
  padding: 10px 6px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  color: var(--subtext);
  line-height: 1.4;
  transition: all 0.2s;
}
.part-tab small { font-size: 10px; font-weight: 400; display: block; }
.part-tab.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.part-info-card {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}
.part-info-time { font-size: 12px; font-weight: 600; color: var(--primary); }
.part-info-desc { font-size: 13px; color: var(--text); }
.part-info-tip { font-size: 12px; color: var(--subtext); }

.question-card { margin-bottom: 12px; }
.q-topic-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 10px;
}
.q-main { font-size: 18px; font-weight: 600; line-height: 1.5; margin-bottom: 12px; }
.q-followup-title { font-size: 12px; font-weight: 700; color: var(--subtext); margin: 10px 0 6px; text-transform: uppercase; }
.q-followup { font-size: 13px; color: var(--subtext); margin-bottom: 4px; }

.q-prompt {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}
.part2-card .q-prompt { white-space: pre-wrap; }

/* Timer */
.timer-section {
  text-align: center;
  padding: 24px 16px;
  margin-bottom: 12px;
}
.timer-phase { font-size: 14px; font-weight: 600; color: var(--subtext); margin-bottom: 8px; }
.timer-display {
  font-size: 56px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--primary);
  margin-bottom: 8px;
  transition: color 0.5s;
}
.timer-hint { font-size: 13px; color: var(--subtext); margin-bottom: 20px; }
.timer-controls { display: flex; justify-content: center; }

/* Tips card */
.tips-card { padding: 14px; }
.tips-title { font-size: 13px; font-weight: 700; margin-bottom: 8px; }
.tips-text { font-size: 13px; color: var(--subtext); line-height: 1.6; }
.key-point { font-size: 13px; color: var(--text); margin-bottom: 6px; }

.speaking-btn-row {
  display: flex;
  gap: 12px;
  margin-top: 4px;
}
.speaking-btn-row .btn { flex: 1; }

/* Question browser */
.question-list { overflow-y: auto; }
.q-list-item {
  display: flex;
  gap: 12px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.q-list-num {
  width: 28px; height: 28px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
  flex-shrink: 0;
}
.q-list-topic { font-size: 11px; color: var(--subtext); font-weight: 600; margin-bottom: 3px; }
.q-list-q { font-size: 14px; color: var(--text); }

/* ── Writing Page ────────────────────────────────────────────────── */
.writing-stats-mini { font-size: 13px; color: var(--subtext); }

.writing-question-card { margin-bottom: 10px; }
.wq-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.wq-type-badge {
  background: #FFF3E0;
  color: #E65100;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
}
.wq-meta { font-size: 12px; color: var(--subtext); }
.wq-title { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.wq-prompt { font-size: 14px; line-height: 1.7; color: var(--text); white-space: pre-wrap; margin-bottom: 10px; }
.wq-image-desc { background: var(--bg); border-radius: var(--radius-sm); padding: 10px 12px; }
.wq-image-label { font-size: 12px; font-weight: 600; color: var(--subtext); margin-bottom: 4px; }
.wq-image-text { font-size: 13px; color: var(--text); font-style: italic; }

/* Hints dropdown */
.hints-details {
  background: var(--card);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hints-summary {
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.hints-summary::-webkit-details-marker { display: none; }
.expand-hint { font-size: 11px; color: var(--subtext); font-weight: 400; }
.hints-content { padding: 0 16px 14px; }
.hint-group { margin-bottom: 12px; }
.hint-label { font-size: 12px; font-weight: 700; color: var(--subtext); text-transform: uppercase; margin-bottom: 6px; }
.hint-item { font-size: 13px; color: var(--text); margin-bottom: 4px; line-height: 1.5; }

/* Writing input */
.writing-input-section { margin-bottom: 12px; }
.writing-input-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
.writing-input-label { font-size: 14px; font-weight: 600; }
.word-count-display {
  font-size: 14px;
  font-weight: 700;
  transition: color 0.3s;
}

.writing-textarea {
  width: 100%;
  padding: 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  line-height: 1.7;
  resize: vertical;
  font-family: inherit;
  background: var(--card);
  outline: none;
  transition: border-color 0.2s;
}
.writing-textarea:focus { border-color: var(--primary); }

.writing-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}
.writing-actions .btn { flex: 1; }

.api-notice {
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  color: #92400E;
  margin-bottom: 12px;
}
.api-notice.ai-enabled {
  background: #F0FFF4;
  border-color: #86EFAC;
  color: #166534;
}

/* Score card */
.score-card { padding: 20px; }
.score-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}
.score-title { font-size: 16px; font-weight: 700; }
.score-overall {
  font-size: 42px;
  font-weight: 800;
}
.score-sub { font-size: 12px; color: var(--subtext); margin-bottom: 20px; }

.score-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 8px;
}
.score-item { text-align: center; }
.score-label { font-size: 11px; font-weight: 700; color: var(--subtext); margin-bottom: 4px; }
.score-value { font-size: 26px; font-weight: 700; margin-bottom: 6px; }
.score-bar-wrap { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.score-bar { height: 100%; border-radius: 3px; transition: width 0.8s ease; }

.score-labels {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--subtext);
  margin-bottom: 12px;
}

.score-wordcount {
  font-size: 12px;
  color: var(--subtext);
  margin-bottom: 14px;
  padding: 6px 10px;
  background: var(--bg);
  border-radius: var(--radius-sm);
}

.feedback-section { margin-top: 14px; }
.feedback-title { font-size: 13px; font-weight: 700; margin-bottom: 8px; }
.feedback-item {
  font-size: 13px;
  color: var(--text);
  margin-bottom: 8px;
  padding: 8px 12px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  line-height: 1.5;
}

.band-descriptors { margin-top: 14px; border-top: 1px solid var(--border); padding-top: 14px; }
.bd-title { font-size: 12px; font-weight: 700; color: var(--subtext); margin-bottom: 8px; text-transform: uppercase; }
.bd-item { font-size: 12px; color: var(--text); margin-bottom: 6px; line-height: 1.5; }
.bd-key { font-weight: 700; }

/* ── Check-in Page ───────────────────────────────────────────────── */
.checkin-main-card {
  text-align: center;
  padding: 28px 20px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  margin-bottom: 14px;
}
.checkin-main-card.checked-today {
  background: linear-gradient(135deg, #11998e, #38ef7d);
}

.checkin-streak-display { margin-bottom: 12px; }
.streak-flame { font-size: 40px; }
.streak-number { font-size: 60px; font-weight: 800; line-height: 1; }
.streak-label { font-size: 16px; opacity: 0.9; margin-top: 4px; }

.streak-message { font-size: 14px; opacity: 0.9; margin-bottom: 20px; }

.already-checked {
  background: rgba(255,255,255,0.25);
  border-radius: 20px;
  padding: 12px 24px;
  font-size: 16px;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 12px;
}

.checkin-main-btn {
  background: white;
  color: #764ba2;
  border: none;
  border-radius: 24px;
  padding: 14px 36px;
  font-size: 18px;
  font-weight: 800;
  cursor: pointer;
  margin-bottom: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  transition: transform 0.15s;
}
.checkin-main-btn:active { transform: scale(0.96); }
.checking-in .checkin-main-btn { opacity: 0.6; }
.total-days-text { font-size: 13px; opacity: 0.7; }

/* Phases */
.phases-container { display: flex; flex-direction: column; gap: 10px; margin-bottom: 14px; }
.phase-item {
  background: var(--card);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
  opacity: 0.6;
}
.phase-item.phase-active { opacity: 1; border: 2px solid var(--primary); }
.phase-item.phase-done { opacity: 0.8; }

.phase-item-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.phase-item-emoji { font-size: 20px; }
.phase-item-name { font-size: 15px; font-weight: 700; flex: 1; }
.phase-item-days { font-size: 11px; color: var(--subtext); }
.phase-done-badge {
  background: var(--secondary);
  color: white;
  border-radius: 12px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 700;
}
.phase-active-badge {
  background: var(--primary);
  color: white;
  border-radius: 12px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 700;
}

.phase-item-bar {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}
.phase-item-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.5s ease;
}
.phase-item-desc { font-size: 12px; color: var(--subtext); margin-bottom: 4px; }
.phase-item-target { font-size: 12px; color: var(--text); }

/* Calendar */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 5px;
  margin-bottom: 10px;
}
.cal-day {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--card);
  border-radius: 8px;
  box-shadow: var(--shadow);
  position: relative;
  gap: 2px;
}
.cal-num { font-size: 12px; font-weight: 600; color: var(--subtext); }
.cal-checked { background: var(--primary-light); }
.cal-checked .cal-num { color: var(--primary); font-weight: 700; }
.cal-today { border: 2px solid var(--primary); }
.cal-today .cal-num { color: var(--primary); }
.cal-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

.calendar-legend {
  display: flex;
  gap: 16px;
  margin-bottom: 14px;
  font-size: 12px;
  color: var(--subtext);
}
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-dot { width: 12px; height: 12px; border-radius: 4px; }
.legend-dot.checked { background: var(--primary-light); }
.legend-dot.today { background: white; border: 2px solid var(--primary); }

/* Stats grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}
.stat-item { text-align: center; padding: 14px 8px; }
.stat-icon { font-size: 22px; margin-bottom: 6px; }
.stat-value { font-size: 18px; font-weight: 700; margin-bottom: 2px; }
.stat-label { font-size: 11px; color: var(--subtext); }

/* Motivation */
.motivation-card { background: linear-gradient(135deg, #1A1A2E, #2D3561); color: white; margin-bottom: 24px; }
.motivation-text { font-size: 15px; line-height: 1.7; font-style: italic; margin-bottom: 12px; }
.motivation-target { font-size: 13px; opacity: 0.8; font-weight: 600; }

.card-example-loading {
  font-size: 13px;
  color: var(--subtext);
  margin-top: 12px;
  text-align: center;
  padding: 8px 0;
}

/* Provider selector in settings */
.provider-tabs {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}
.provider-tab {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  color: var(--subtext);
  background: var(--bg);
  transition: all 0.2s;
}
.provider-tab input { accent-color: var(--primary); }
.provider-tab.active {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
}

/* Swipe gesture indicator overlays */
.swipe-overlay {
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  font-weight: 800;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.1s;
  z-index: 2;
}
.swipe-overlay-right {
  background: rgba(107, 203, 119, 0.35);
  color: #2d8a3e;
}
.swipe-overlay-left {
  background: rgba(255, 107, 107, 0.35);
  color: #c0392b;
}

/* Celebration overlay */
.checkin-celebration {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
}
.checkin-celebration.show { opacity: 1; }
.celebration-content {
  text-align: center;
  color: white;
  transform: scale(0.8);
  transition: transform 0.3s;
}
.checkin-celebration.show .celebration-content { transform: scale(1); }
.celebration-emoji { font-size: 64px; margin-bottom: 16px; }
.celebration-text { font-size: 32px; font-weight: 800; margin-bottom: 8px; }
.celebration-streak { font-size: 20px; opacity: 0.9; }

/* ── Speaking Reading / Passage ─────────────────────────────────── */
.passage-nav { padding: 14px 16px; margin-bottom: 12px; }
.passage-nav-info { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; flex-wrap: wrap; }
.passage-topic-badge { background: var(--primary); color: white; font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 20px; }
.passage-level { font-size: 12px; font-weight: 600; padding: 3px 8px; border-radius: 10px; }
.level-初级 { background: #E8F5E9; color: #2E7D32; }
.level-中级 { background: #FFF3E0; color: #E65100; }
.level-高级 { background: #FCE4EC; color: #C62828; }
.passage-duration { font-size: 12px; color: var(--subtext); }
.passage-nav-title { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.passage-counter { font-size: 12px; color: var(--subtext); }

.passage-legend { font-size: 12px; color: var(--subtext); margin-bottom: 10px; padding: 0 4px; }
.legend-vocab { font-weight: 700; color: #1565C0; }
.legend-phrase { background: #FFF59D; padding: 1px 4px; border-radius: 3px; }

.passage-card { padding: 18px; margin-bottom: 12px; }
.passage-text { font-size: 16px; line-height: 2; color: var(--text); }
.highlight-vocab { color: #1565C0; font-weight: 700; font-style: normal; }
.highlight-phrase { background: #FFF59D; padding: 1px 2px; border-radius: 3px; font-weight: inherit; }

.passage-actions { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.passage-actions .btn { flex: 1; min-width: 80px; }

.passage-phrases { padding: 14px 16px; }
.phrases-title { font-size: 13px; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.phrase-item { font-size: 14px; color: #555; padding: 6px 0; border-bottom: 1px solid var(--border); font-style: italic; }
.phrase-item:last-child { border-bottom: none; }

/* Custom AI passage generation */
.custom-gen-section { padding: 16px; margin-top: 12px; }
.custom-gen-title { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.custom-gen-sub { font-size: 12px; color: var(--subtext); margin-bottom: 12px; }
.custom-gen-row { display: flex; gap: 8px; margin-bottom: 10px; }
.custom-gen-input { flex: 1; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 12px; font-size: 14px; outline: none; background: var(--surface); color: var(--text); }
.custom-gen-input:focus { border-color: var(--primary); }
.custom-recent { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.custom-chip { background: var(--primary-light); color: var(--primary); border: none; border-radius: 14px; padding: 4px 12px; font-size: 12px; cursor: pointer; font-weight: 600; }
.custom-gen-loading { text-align: center; padding: 20px; color: var(--subtext); font-size: 14px; }
.custom-gen-error { color: #D32F2F; font-size: 13px; padding: 10px 12px; background: #FFEBEE; border-radius: 8px; margin-top: 8px; }
.custom-result-card { border-top: 1px solid var(--border); padding-top: 14px; margin-top: 14px; }
.custom-result-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.level-自定义 { background: #EDE7F6; color: #4527A0; }