:root {
  --color-primary: #0F766E;
  --color-primary-dark: #0A4F4A;
  --color-primary-light: #D1FAE5;
  --color-accent: #D97706;
  --color-bg: #FBFAF6;
  --color-card: #FFFFFF;
  --color-text: #18181B;
  --color-muted: #6B7280;
  --color-border: #E5E7EB;
  --color-success: #16A34A;
  --color-error: #DC2626;
  --color-warning: #F59E0B;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --font-cjk: "PingFang HK", "PingFang TC", "Hiragino Sans CNS", "Heiti TC", "Microsoft JhengHei", "Noto Sans HK", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
button, .quiz-option, .exercise-option, .char-tile, .nav button {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.hanzi, .cjk {
  font-family: var(--font-cjk);
  font-feature-settings: "trad" on;
}

/* ============ HEADER ============ */
.top {
  background: white;
  border-bottom: 1px solid var(--color-border);
  padding: 0.875rem 1.5rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2rem;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.brand-hanzi {
  font-family: var(--font-cjk);
  font-size: 2rem;
  color: var(--color-primary);
  font-weight: 600;
  line-height: 1;
}
.brand-text strong { display: block; font-weight: 600; line-height: 1.1; }
.brand-text small { color: var(--color-muted); font-size: 0.75rem; }

.nav {
  display: flex;
  gap: 0.25rem;
  justify-content: center;
  flex-wrap: wrap;
}
.nav button {
  background: none;
  border: 1px solid transparent;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-muted);
  font-weight: 500;
  font-size: 0.9rem;
  font-family: inherit;
  transition: all 0.15s;
}
.nav button:hover { color: var(--color-text); background: rgba(0,0,0,0.04); }
.nav button.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.audio-controls {
  display: flex;
  gap: 1rem;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-muted);
}
.voice-picker {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.5rem;
  font-family: inherit;
  font-size: 0.8rem;
  cursor: pointer;
  max-width: 200px;
}
.voice-picker:hover { border-color: var(--color-primary); }
.voice-picker:focus { outline: 2px solid var(--color-primary-light); }

.voice-label {
  padding: 0.25rem 0.6rem;
  background: #F3F4F6;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  white-space: nowrap;
}
.voice-label.ok { background: var(--color-primary-light); color: var(--color-primary-dark); }
.voice-label.warn { background: #FEF3C7; color: #92400E; }
.voice-label.err { background: #FEE2E2; color: #991B1B; }

.rate-control {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}
.rate-control input[type="range"] { width: 80px; }

/* Forvo settings dropdown */
.forvo-details { position: relative; }
.forvo-toggle {
  cursor: pointer;
  user-select: none;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.7rem;
  font-size: 0.8rem;
  list-style: none;
}
.forvo-toggle::-webkit-details-marker { display: none; }
.forvo-toggle:hover { border-color: var(--color-primary); }
.forvo-details[open] .forvo-toggle {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-color: var(--color-primary);
}
.forvo-panel {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  width: 360px;
  max-width: 90vw;
  box-shadow: var(--shadow-lg);
  z-index: 100;
}
.forvo-panel h4 {
  margin-bottom: 0.5rem;
  color: var(--color-primary-dark);
}
.forvo-panel p { font-size: 0.85rem; margin-bottom: 0.75rem; }
.forvo-panel .small { font-size: 0.8rem; }
.forvo-panel a { color: var(--color-primary); }
.forvo-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
  font-size: 0.85rem;
}
.forvo-row > span { flex: 0 0 auto; min-width: 80px; }
.forvo-row > input[type="password"],
.forvo-row > input[type="text"],
.forvo-row > select {
  flex: 1;
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.85rem;
}
.forvo-row > input[type="password"]:focus,
.forvo-row > select:focus {
  outline: 2px solid var(--color-primary-light);
  border-color: var(--color-primary);
}
.forvo-row > input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0;
}
.forvo-actions {
  display: flex;
  gap: 0.5rem;
  margin: 0.75rem 0;
  flex-wrap: wrap;
}
.forvo-status {
  padding: 0.5rem 0.6rem;
  background: #F9FAFB;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  min-height: 1.2em;
}
.forvo-panel code {
  background: #F3F4F6;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.8em;
}

/* ============ MAIN ============ */
main {
  max-width: 920px;
  margin: 2.5rem auto;
  padding: 0 1.5rem 4rem;
}

.view { display: none; animation: fadeIn 0.25s ease-out; }
.view.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.view-header { margin-bottom: 2rem; }
.view-header h2 { font-size: 1.875rem; margin-bottom: 0.5rem; }

.muted { color: var(--color-muted); }

/* ============ HOME ============ */
.hero { margin-bottom: 2rem; }
.hero h1 {
  font-family: var(--font-cjk);
  font-size: 3rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}
.hero .lead { font-size: 1.1rem; color: var(--color-muted); }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.stat-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.stat-card .stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}
.stat-card .stat-label { color: var(--color-muted); font-size: 0.85rem; margin-top: 0.5rem; }
.stat-card.urgent .stat-value { color: var(--color-accent); }

.home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}
.action-card {
  flex: 1 1 240px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
  font-family: inherit;
  color: inherit;
}
.action-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.action-card h3 { color: var(--color-primary); margin-bottom: 0.5rem; }
.action-card p { color: var(--color-muted); font-size: 0.9rem; }
.action-card .badge {
  display: inline-block;
  background: var(--color-accent);
  color: white;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: 0.5rem;
}

.home-method-teaser {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.home-method-teaser h3 { margin-bottom: 0.5rem; }
.home-method-teaser a { color: var(--color-primary); text-decoration: none; font-weight: 500; }
.home-method-teaser a:hover { text-decoration: underline; }

/* ============ LESSON ============ */
.lesson-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.lesson-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}
.lesson-header .day-tag {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.lesson-header h2 { font-size: 1.75rem; margin-bottom: 0.4rem; }
.lesson-header p { color: var(--color-muted); }

.lesson-section { margin-bottom: 2rem; }
.lesson-section h3 {
  font-size: 1.1rem;
  color: var(--color-primary-dark);
  margin-bottom: 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--color-primary-light);
}

.phrase {
  background: #F9FAFB;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.25rem;
  align-items: center;
}
.phrase-char {
  font-family: var(--font-cjk);
  font-size: 2.25rem;
  font-weight: 500;
  line-height: 1.1;
  color: var(--color-text);
}
.phrase-info .jyutping {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-primary);
  font-weight: 500;
}
.phrase-info .swedish {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0.2rem 0;
}
.phrase-info .literal {
  font-size: 0.85rem;
  color: var(--color-muted);
  font-style: italic;
}
.phrase-info .notes {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: 0.4rem;
}

.play-btn {
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 50%;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.3rem;
  transition: all 0.15s;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.play-btn:hover { background: var(--color-primary-dark); transform: scale(1.05); }
.play-btn:active { transform: scale(0.95); }
.play-btn.small { width: 36px; height: 36px; font-size: 0.9rem; }
.play-btn.tiny { width: 28px; height: 28px; font-size: 0.7rem; }
.play-btn.playing { animation: pulse 0.8s ease-in-out infinite; }
.play-btn.big-play { width: 80px; height: 80px; font-size: 2rem; }

@keyframes pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(15,118,110,0.4); }
  50% { transform: scale(1.05); box-shadow: 0 0 0 8px rgba(15,118,110,0); }
}

/* Uttalsinspelning */
.phrase-audio-controls {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: center;
  flex-shrink: 0;
}
.record-btn {
  background: white;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  transition: all 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.record-btn:hover {
  background: var(--color-primary-light);
  transform: scale(1.05);
}
.record-btn.recording {
  background: var(--color-error);
  color: white;
  border-color: var(--color-error);
  animation: recordPulse 1s ease-in-out infinite;
}
.record-btn.playback {
  background: var(--color-warning);
  color: white;
  border-color: var(--color-warning);
}
@keyframes recordPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(220,38,38,0.6); }
  50% { box-shadow: 0 0 0 8px rgba(220,38,38,0); }
}

/* Hörförståelse-kort */
.listen-card { text-align: center; }
.listen-card .quiz-progress { text-align: left; }
.listen-audio-area {
  margin: 1.5rem 0 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.listen-input-label {
  display: block;
  font-size: 0.85rem;
  color: var(--color-muted);
  margin: 1rem 0 0.4rem;
  text-align: left;
}
.listen-input {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  font-family: inherit;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: white;
  transition: border-color 0.15s;
}
.listen-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
.listen-card .quiz-actions {
  display: flex;
  justify-content: center;
  margin-top: 1rem;
}

.listen-reveal {
  background: #F9FAFB;
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
}
.listen-correct {
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 1rem;
}
.listen-correct-text { text-align: left; }
.listen-correct-text .cjk {
  font-family: var(--font-cjk);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.2;
}
.listen-correct-text .jp {
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-size: 0.9rem;
  margin-top: 0.15rem;
}
.listen-correct-text .sv-trans {
  font-size: 0.95rem;
  margin-top: 0.2rem;
}
.listen-yours {
  padding: 0.6rem 0.9rem;
  background: white;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  border: 1px dashed var(--color-border);
}
.listen-grade-buttons {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  flex-wrap: wrap;
}

.components {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.component {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.6rem;
  font-size: 0.85rem;
}
.component .cjk { font-size: 1.1rem; }
.component .jp { font-family: var(--font-mono); color: var(--color-primary); }
.component .sv { color: var(--color-muted); }

.dialogue {
  background: linear-gradient(135deg, #FAF7F0, #FFFFFF);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.dialogue-line {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
.dialogue-line:last-child { border-bottom: none; }
.dialogue-speaker {
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.85rem;
  min-width: 50px;
}
.dialogue-text .cjk { font-size: 1.4rem; }
.dialogue-text .sv { color: var(--color-muted); font-size: 0.9rem; font-style: italic; }
.dialogue-text .jp { font-family: var(--font-mono); font-size: 0.8rem; color: var(--color-primary); }

.culture-note {
  background: #FFFBEB;
  border-left: 4px solid var(--color-warning);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
}
.culture-note h4 { color: #92400E; margin-bottom: 0.5rem; }
.culture-note table { width: 100%; margin-top: 0.75rem; border-collapse: collapse; }
.culture-note td { padding: 0.55rem 0.4rem; border-bottom: 1px solid #FEF3C7; font-size: 0.9rem; vertical-align: top; }
.culture-situation { width: 50%; padding-right: 1rem !important; }
.culture-answer {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  justify-content: flex-end;
}
.culture-answer-text { text-align: right; min-width: 0; flex: 0 1 auto; }
.culture-answer-text .cjk {
  font-family: var(--font-cjk);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
}
.culture-answer-text .jp {
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-size: 0.8rem;
  margin-top: 0.15rem;
  word-break: break-word;
}
.culture-answer-text .sv-trans {
  font-size: 0.78rem;
  color: var(--color-muted);
  font-style: italic;
  margin-top: 0.1rem;
}
.culture-answer .play-btn.tiny { margin-top: 0.3rem; flex-shrink: 0; }

.exercise {
  background: var(--color-card);
  border: 2px solid var(--color-primary-light);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 1rem;
}
.exercise-question { font-weight: 600; margin-bottom: 1rem; }
.exercise-options { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.exercise-option {
  padding: 0.75rem 1.25rem;
  border: 2px solid var(--color-border);
  background: white;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  align-items: center;
  min-width: 90px;
}
.exercise-option .cjk {
  font-family: var(--font-cjk);
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.2;
}
.exercise-option .jp {
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-size: 0.8rem;
  white-space: nowrap;
}
.exercise-option:hover { border-color: var(--color-primary); }
.exercise-option.correct { background: #D1FAE5; border-color: var(--color-success); }
.exercise-option.wrong { background: #FEE2E2; border-color: var(--color-error); }
.exercise-option.correct .jp,
.exercise-option.wrong .jp { color: inherit; opacity: 0.75; }
.exercise-feedback {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}
.exercise-feedback.correct { background: #D1FAE5; color: #065F46; }
.exercise-feedback.wrong { background: #FEE2E2; color: #991B1B; }

.lesson-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

/* ============ BUTTONS ============ */
.btn {
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}
.btn:hover { background: var(--color-primary-dark); }
.btn:active { transform: scale(0.98); }
.btn.secondary {
  background: white;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}
.btn.secondary:hover { background: var(--color-primary-light); }
.btn.success { background: var(--color-success); }
.btn.error { background: var(--color-error); }
.btn.ghost {
  background: transparent;
  color: var(--color-muted);
  border: 1px solid var(--color-border);
}
.btn.ghost:hover { background: #F9FAFB; color: var(--color-text); }

/* ============ SRS ============ */
.srs-empty {
  text-align: center;
  padding: 3rem 1rem;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.srs-empty .big-emoji { font-size: 3rem; margin-bottom: 1rem; display: block; }

.srs-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-md);
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.srs-progress {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 1rem;
}
.srs-prompt-label {
  font-size: 0.8rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}
.srs-prompt {
  font-size: 1.75rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}
.srs-answer {
  margin: 1rem 0;
}
.srs-answer .cjk {
  font-size: 3rem;
  display: block;
  margin-bottom: 0.5rem;
}
.srs-answer .jp {
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-size: 1.1rem;
}
.srs-answer .notes {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-top: 0.75rem;
}
.srs-actions { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }
.srs-grades { display: flex; gap: 0.5rem; justify-content: center; flex-wrap: wrap; }
.srs-grade {
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: white;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
}
.srs-grade.fail { color: var(--color-error); border-color: var(--color-error); }
.srs-grade.fail:hover { background: #FEE2E2; }
.srs-grade.hard { color: var(--color-warning); border-color: var(--color-warning); }
.srs-grade.hard:hover { background: #FEF3C7; }
.srs-grade.easy { color: var(--color-success); border-color: var(--color-success); }
.srs-grade.easy:hover { background: #D1FAE5; }

/* ============ TONES ============ */
.tones-game {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
}
.tones-round { font-size: 0.85rem; color: var(--color-muted); margin-bottom: 0.5rem; }
.tones-round-name { font-size: 1.1rem; margin-bottom: 1.5rem; color: var(--color-primary-dark); }
.tones-listen-btn {
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 50%;
  width: 80px;
  height: 80px;
  font-size: 2rem;
  cursor: pointer;
  margin-bottom: 1.5rem;
  transition: all 0.15s;
}
.tones-listen-btn:hover { background: var(--color-primary-dark); transform: scale(1.05); }
.tones-listen-btn.playing { animation: pulse 0.8s ease-in-out infinite; }

.tones-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  max-width: 500px;
  margin: 0 auto;
}
.tones-option {
  background: white;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
  font-family: inherit;
}
.tones-option:hover { border-color: var(--color-primary); transform: translateY(-2px); }
.tones-option.correct { background: #D1FAE5; border-color: var(--color-success); }
.tones-option.wrong { background: #FEE2E2; border-color: var(--color-error); }
.tones-option .cjk { font-size: 2.5rem; display: block; }
.tones-option .jp { font-family: var(--font-mono); font-size: 1rem; color: var(--color-primary); margin-top: 0.25rem; }
.tones-option .meaning { font-size: 0.8rem; color: var(--color-muted); margin-top: 0.25rem; }
.tones-option .tone-label {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.7rem;
  margin-top: 0.4rem;
}

.tones-stats {
  margin-top: 2rem;
  display: flex;
  gap: 2rem;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--color-muted);
}
.tones-stat strong { color: var(--color-primary); font-size: 1.2rem; }

/* ============ CHARACTERS ============ */
.char-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.char-tile {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 0.75rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}
.char-tile:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.char-tile .cjk {
  font-size: 3rem;
  font-weight: 500;
  color: var(--color-text);
  display: block;
  line-height: 1;
}
.char-tile .jp {
  font-family: var(--font-mono);
  color: var(--color-primary);
  margin-top: 0.5rem;
  font-size: 0.85rem;
}
.char-tile .sv { color: var(--color-muted); font-size: 0.8rem; }

.char-detail {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}
.char-detail-header {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
  align-items: start;
}
.char-stroke-area {
  background: #FAFAFA;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
}
.char-stroke-target { width: 200px; height: 200px; margin: 0 auto; }
.char-stroke-controls { display: flex; gap: 0.5rem; justify-content: center; margin-top: 0.75rem; flex-wrap: wrap; }

.char-meta h3 {
  font-family: var(--font-cjk);
  font-size: 4rem;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.char-meta .jyutping {
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-size: 1.3rem;
  margin-bottom: 0.25rem;
}
.char-meta .swedish { font-size: 1.1rem; font-weight: 600; }
.char-meta .strokes-count { color: var(--color-muted); font-size: 0.9rem; margin-top: 0.5rem; }

.char-section { margin-bottom: 1.5rem; }
.char-section h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}
.radicals { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.radical {
  background: #F9FAFB;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.9rem;
  font-size: 0.85rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.radical .cjk { font-size: 1.5rem; }

.mnemonic {
  background: #FFFBEB;
  border-left: 4px solid var(--color-accent);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-style: italic;
}

/* ============ METHOD ============ */
.method-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.method-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  position: relative;
  box-shadow: var(--shadow-sm);
}
.method-num {
  position: absolute;
  top: -12px;
  left: 1.5rem;
  background: var(--color-primary);
  color: white;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}
.method-card h3 { margin: 0.5rem 0 0.75rem; font-size: 1.1rem; color: var(--color-primary-dark); }
.method-card p { font-size: 0.9rem; color: var(--color-text); margin-bottom: 0.5rem; }
.method-card .how {
  background: #F9FAFB;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: 0.75rem;
}

.method-footer {
  background: var(--color-primary-light);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  text-align: center;
}
.method-footer h3 { color: var(--color-primary-dark); margin-bottom: 0.5rem; }

/* ============ LESSON SELECTOR ============ */
.lesson-selector {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  flex-wrap: wrap;
}
.lesson-tab {
  background: white;
  border: 1px solid var(--color-border);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
  transition: all 0.15s;
}
.lesson-tab:hover { border-color: var(--color-primary); }
.lesson-tab.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}
.lesson-tab.done {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-color: var(--color-primary-light);
}
.lesson-tab.done.active {
  background: var(--color-primary);
  color: white;
}
.lesson-tab.locked {
  background: #F9FAFB;
  color: var(--color-muted);
  border-style: dashed;
}
.lesson-tab.locked:hover {
  border-color: var(--color-muted);
}

.locked-card {
  text-align: center;
  padding: 3rem 2rem;
}
.locked-card .lock-icon {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  opacity: 0.7;
}
.locked-card .day-tag {
  display: inline-block;
  margin-bottom: 0.75rem;
}
.locked-card h2 { margin-bottom: 0.5rem; }
.locked-card .lock-info {
  background: #F9FAFB;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem auto;
  text-align: left;
  max-width: 520px;
}
.locked-card .lock-info p { margin-bottom: 0.6rem; }
.locked-card .lock-info p:last-child { margin-bottom: 0; }

.btn.small { padding: 0.4rem 0.8rem; font-size: 0.85rem; }

/* ============ WARMUP (gårdagens repetition) ============ */
.warmup-section {
  background: linear-gradient(135deg, #FEF3C7 0%, #FFFBEB 100%);
  border: 1px solid #FCD34D;
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}
.warmup-section h3 {
  color: #92400E !important;
  border-bottom-color: #FCD34D !important;
}
.warmup-section h3::before { content: none; }
.warmup-intro {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}
.warmup-card .quiz-prompt {
  background: white;
}
.warmup-done {
  text-align: center;
  padding: 1rem;
}
.warmup-done .big-emoji {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 0.25rem;
}
.warmup-done h4 {
  color: #92400E;
  margin-bottom: 0.25rem;
}

/* ============ QUIZ (glosförhör) ============ */
.quiz-section h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.quiz-section h3::before {
  content: "📝";
  font-size: 1.1em;
}

.quiz-intro {
  background: #FFFBEB;
  border: 1px solid #FEF3C7;
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}

.quiz-card {
  background: var(--color-card);
  border: 2px solid var(--color-primary-light);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}
.quiz-progress {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed var(--color-border);
}
.quiz-progress strong { color: var(--color-primary); }
.quiz-prompt-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}
.quiz-prompt {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  text-align: center;
  padding: 0.75rem;
  background: #F9FAFB;
  border-radius: var(--radius-sm);
}
.quiz-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.quiz-option {
  background: white;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  cursor: pointer;
  font-family: inherit;
  text-align: center;
  transition: all 0.15s;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  align-items: center;
}
.quiz-option:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.quiz-card.answered .quiz-option { cursor: default; }
.quiz-card.answered .quiz-option:hover { transform: none; box-shadow: none; }
.quiz-option .cjk {
  font-size: 1.7rem;
  line-height: 1.1;
}
.quiz-option .jp {
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-size: 0.85rem;
}
.quiz-option.correct {
  background: #D1FAE5;
  border-color: var(--color-success);
}
.quiz-option.wrong {
  background: #FEE2E2;
  border-color: var(--color-error);
}

.quiz-feedback {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  margin-top: 0.5rem;
}
.quiz-feedback.correct {
  background: #D1FAE5;
  color: #065F46;
}
.quiz-feedback.wrong {
  background: #FEE2E2;
  color: #991B1B;
}
.quiz-feedback .cjk { font-size: 1.2em; }
.quiz-feedback .jp { font-family: var(--font-mono); }
.quiz-feedback .muted { color: inherit; opacity: 0.75; }

.quiz-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: flex-end;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.quiz-done {
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  padding: 1.75rem;
  text-align: center;
}
.quiz-done .big-emoji {
  font-size: 3rem;
  display: block;
  margin-bottom: 0.5rem;
}
.quiz-done h4 {
  font-size: 1.2rem;
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
}
.quiz-done p { margin-bottom: 0.5rem; }

/* ============ WEEKLY EXAM (slutprov) ============ */
.weekly-exam-section {
  background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 100%);
  border: 2px solid #D97706;
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  position: relative;
}
.weekly-exam-section h3 {
  color: #92400E !important;
  border-bottom-color: #D97706 !important;
  font-size: 1.25rem;
}
.weekly-exam-section h3::before { content: none; }
.weekly-exam-section > p {
  background: rgba(255,255,255,0.6);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.weekly-exam-intro {
  background: white;
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid #FCD34D;
  text-align: center;
}
.weekly-exam-intro p { margin-bottom: 1rem; font-size: 0.9rem; }

.weekly-exam-card {
  border-color: #D97706 !important;
  background: white;
}

.weekly-exam-done {
  padding: 1.75rem;
  border-radius: var(--radius);
  text-align: center;
}
.weekly-exam-done .big-emoji {
  font-size: 3.5rem;
  display: block;
  margin-bottom: 0.5rem;
}
.weekly-exam-done h4 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}
.weekly-exam-done p { margin-bottom: 0.6rem; }
.weekly-exam-done .btn { margin: 0.5rem 0.25rem; }

.weekly-exam-pass {
  background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
  border: 2px solid #D97706;
}
.weekly-exam-pass h4 { color: #92400E; }

.weekly-exam-fail {
  background: linear-gradient(135deg, #FEE2E2 0%, #FECACA 100%);
  border: 2px solid var(--color-error);
}
.weekly-exam-fail h4 { color: #991B1B; }

.lock-link {
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: underline;
}
.lock-link:hover { color: var(--color-primary-dark); }

/* ============ MOBILE ============ */
@media (max-width: 768px) {
  .top {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 0.75rem 1rem;
  }
  .audio-controls { flex-wrap: wrap; }
  .nav { justify-content: flex-start; overflow-x: auto; }
  .nav button { white-space: nowrap; font-size: 0.85rem; padding: 0.4rem 0.7rem; }
  .phrase { grid-template-columns: 1fr; text-align: left; }
  .phrase-char { font-size: 2rem; }
  .char-detail-header { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  .tones-options { grid-template-columns: 1fr; }
  .quiz-options { grid-template-columns: 1fr; }
  .quiz-progress { flex-direction: column; gap: 0.25rem; }
  .quiz-prompt { font-size: 1.2rem; }
  .culture-situation { width: auto; padding-right: 0.5rem !important; }
  .culture-answer-text .cjk { font-size: 1rem; }
  .culture-answer-text .jp { font-size: 0.75rem; }
  /* Forvo-panel: ankra till höger med margin på mobil så den inte spiller över */
  .forvo-panel { width: calc(100vw - 2rem); right: -0.5rem; max-width: 360px; }
  /* Större touch-mål på mobil */
  .play-btn { width: 48px; height: 48px; }
  .play-btn.small { width: 40px; height: 40px; }
  .play-btn.tiny { width: 32px; height: 32px; }
  .lesson-tab { padding: 0.6rem 1rem; font-size: 0.9rem; }
  /* Mindre padding på huvudinnehåll så mer plats för innehållet */
  main { margin: 1.5rem auto; padding: 0 1rem 4rem; }
  .lesson-card { padding: 1.25rem; }
}

/* iOS PWA "installerad app" — döljer browser-UI när lägg-till-hemskärm används */
@media (display-mode: standalone) {
  body { padding-top: max(env(safe-area-inset-top), 0.5rem); }
  .top { position: sticky; }
}