/* css/components/dict-duo.css — Duolingo-inspired Dictionary & Practice Mode (Sune brand) */

/* ── Design tokens (scoped to dictionary/practice UI) ── */
.dict-duo,
.dict-home-box--duo,
.dict-popover-inner {
  --duo-primary: var(--brand-orange, #ff9600);
  --duo-primary-dark: var(--brand-orange-dark, #e68600);
  --duo-primary-tint: rgba(255, 150, 0, 0.14);
  --duo-secondary: var(--secondary, #1E9D8E);
  --duo-secondary-dark: #157a6e;
  --duo-secondary-tint: rgba(30, 157, 142, 0.12);
  --duo-warm: var(--accent-amber, #FFD28E);
  --duo-warm-dark: #e68600;
  --duo-warm-tint: rgba(255, 210, 142, 0.35);
  --duo-correct: var(--secondary, #1E9D8E);
  --duo-correct-dark: #157a6e;
  --duo-correct-tint: rgba(30, 157, 142, 0.14);
  --duo-error: var(--incorrect, #ef4444);
  --duo-error-dark: #b91c1c;
  --duo-error-tint: rgba(239, 68, 68, 0.1);
  --duo-bg: var(--bg-light, #F4F7FF);
  --duo-surface: var(--white, #ffffff);
  --duo-surface-muted: var(--border-light, #e8ecf4);
  --duo-text: var(--text-dark, #2D2E5F);
  --duo-text-muted: var(--text-medium, #4a4b7c);
  --duo-radius: 20px;
  --duo-radius-sm: 14px;
  --duo-radius-lg: 24px;
  --duo-shadow-3d: 0 4px 0;
  --duo-touch: 44px;
  --duo-font-display: 'Fredoka', 'Nunito', sans-serif;
  --duo-font-body: 'Nunito', sans-serif;
}

/* ── 3D button base ── */
.duo-btn-3d {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: var(--duo-touch);
  padding: 12px 24px;
  border: 2px solid var(--duo-primary-dark);
  border-bottom-width: 4px;
  border-radius: var(--duo-radius);
  background: var(--duo-primary);
  color: var(--duo-surface);
  font-family: var(--duo-font-body);
  font-size: 0.95rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease, filter 0.15s ease;
  box-shadow: var(--duo-shadow-3d) var(--duo-primary-dark);
  -webkit-tap-highlight-color: transparent;
}

.duo-btn-3d:hover:not(:disabled) {
  filter: brightness(1.06);
}

.duo-btn-3d:active:not(:disabled) {
  transform: translateY(3px);
  border-bottom-width: 2px;
  box-shadow: 0 1px 0 var(--duo-primary-dark);
}

.duo-btn-3d:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  filter: grayscale(0.2);
}

.duo-btn-3d--secondary {
  background: var(--duo-secondary);
  border-color: var(--duo-secondary-dark);
  box-shadow: var(--duo-shadow-3d) var(--duo-secondary-dark);
}

.duo-btn-3d--secondary:active:not(:disabled) {
  box-shadow: 0 1px 0 var(--duo-secondary-dark);
}

.duo-btn-3d--ghost {
  background: var(--duo-surface);
  color: var(--duo-text);
  border-color: var(--duo-surface-muted);
  box-shadow: var(--duo-shadow-3d) #c5cad6;
}

.duo-btn-3d--ghost:active:not(:disabled) {
  box-shadow: 0 1px 0 #c5cad6;
}

/* ── Dictionary modal shell ── */
.dict-duo[class*="-dict-box"],
.dict-duo.wf-dict-box,
.dict-duo.vocab-dict-box,
.dict-duo.colloc-dict-box,
.dict-duo.pv-dict-box,
.dict-duo.id-dict-box,
.dict-duo.gd-dict-box,
.dict-duo.irv-dict-box {
  background: var(--duo-bg);
  border: 2px solid var(--duo-surface-muted);
  border-radius: var(--duo-radius-lg);
}

.dict-duo [class*="-dict-header"] {
  background: var(--duo-surface);
  border-bottom: 2px solid var(--duo-surface-muted);
  padding: 10px 16px;
  min-height: 0;
}

.dict-duo [class*="-dict-title"] {
  font-family: var(--duo-font-display);
  font-weight: 700;
  color: var(--duo-text);
  letter-spacing: -0.01em;
}

.dict-duo [class*="-dict-icon"] .material-symbols-outlined {
  color: var(--duo-secondary) !important;
}

/* ── Playful search bar (stable layout) ── */
.dict-duo [class*="-dict-search-row"] {
  background: var(--duo-surface);
  padding: 12px 16px 10px;
  border-bottom: none;
  display: grid;
  grid-template-columns: 1fr minmax(118px, 132px);
  gap: 10px;
  align-items: stretch;
}

.dict-duo [class*="-dict-search-icon"] {
  display: none;
}

.dict-duo [class*="-dict-search"] {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  padding: 12px 14px;
  border: 2px solid var(--duo-surface-muted);
  border-bottom-width: 4px;
  border-radius: var(--duo-radius-sm);
  font-size: 1rem;
  font-weight: 600;
  color: var(--duo-text);
  background: var(--duo-surface);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.dict-duo [class*="-dict-search"]:focus {
  outline: none;
  border-color: var(--duo-primary);
  border-bottom-color: var(--duo-primary-dark);
  box-shadow: 0 3px 0 var(--duo-primary-tint);
}

.dict-duo [class*="-level-filter"],
.dict-duo .dict-duo-level-select {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  padding: 12px 28px 12px 12px;
  border: 2px solid var(--duo-surface-muted);
  border-bottom-width: 4px;
  border-radius: var(--duo-radius-sm);
  font-size: 0.88rem;
  font-weight: 700;
  font-family: var(--duo-font-body);
  color: var(--duo-text);
  background: var(--duo-surface);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%234a4b7c' d='M1 1.5 6 6.5 11 1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color 0.2s ease;
}

.dict-duo [class*="-level-filter"]:focus,
.dict-duo .dict-duo-level-select:focus {
  outline: none;
  border-color: var(--duo-primary);
  border-bottom-color: var(--duo-primary-dark);
}

.dict-duo .dict-filter-wrap {
  display: block;
  min-width: 0;
}

.dict-duo .dict-filter-wrap select {
  width: 100%;
}

.dict-duo .wf-dict-search-row {
  grid-template-columns: 1fr minmax(100px, 118px) minmax(100px, 118px);
}

.dict-duo .gd-dict-search-row {
  grid-template-columns: 1fr auto;
}

.dict-duo .gd-dict-search-btn {
  border: 2px solid var(--duo-primary-dark);
  border-bottom-width: 4px;
  border-radius: var(--duo-radius-sm);
  background: var(--duo-primary);
  color: var(--duo-surface);
  font-weight: 800;
  padding: 10px 16px;
  cursor: pointer;
  box-shadow: 0 3px 0 var(--duo-primary-dark);
}

.dict-duo .vocab-dict-word {
  flex: 0 1 auto;
  min-width: 0;
}

.dict-duo [class*="-dict-count"] {
  font-weight: 700;
  color: var(--duo-text-muted);
  padding: 6px 20px 0;
  min-height: 1.6em;
  flex-shrink: 0;
}

/* ── Flashcard entries ── */
.dict-duo [class*="-dict-results"] {
  padding: 10px 14px 20px;
  gap: 12px;
}

.dict-duo [class*="-dict-entry"] {
  background: var(--duo-surface);
  border: 2px solid var(--duo-surface-muted);
  border-bottom-width: 4px;
  border-radius: var(--duo-radius);
  padding: 16px 18px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  animation: dictCardIn 0.3s ease backwards;
}

.dict-duo [class*="-dict-entry"]:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(45, 46, 95, 0.08);
}

.dict-duo [class*="-dict-base"] {
  font-family: var(--duo-font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--duo-text);
  border-bottom: 2px dashed var(--duo-surface-muted);
  padding-bottom: 12px;
  margin-bottom: 10px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  text-align: left;
  gap: 10px;
}

.dict-tts-word {
  border: none;
  background: none;
  padding: 0;
  margin: 0;
  font: inherit;
  font-family: var(--duo-font-display);
  font-size: inherit;
  font-weight: inherit;
  color: inherit;
  cursor: pointer;
  text-align: left;
  line-height: 1.2;
  -webkit-tap-highlight-color: transparent;
}

.dict-tts-word:hover,
.dict-tts-word:focus-visible {
  color: var(--duo-secondary-dark);
  outline: none;
}

.dict-tts-word:active {
  transform: scale(0.98);
}

.dict-duo [class*="-dict-base"] .vocab-dict-levels,
.dict-duo [class*="-dict-base"] [class*="-level-badge"],
.dict-duo [class*="-dict-form-top"] [class*="-level-badge"],
.dict-duo .id-dict-idiom-row [class*="-level-badge"] {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.dict-tts-hit {
  cursor: pointer;
  border-radius: 6px;
  transition: color 0.15s ease, background 0.15s ease;
}

.dict-tts-hit:hover,
.dict-tts-hit:focus-visible {
  color: var(--duo-secondary-dark);
  background: var(--duo-secondary-tint);
  outline: none;
}

.dict-mcq-speak-center {
  display: flex;
  justify-content: center;
  width: 100%;
}

.dict-duo [class*="-dict-derived"],
.dict-duo .pv-dict-verb,
.dict-duo .colloc-dict-phrase,
.dict-duo .id-dict-idiom {
  font-family: var(--duo-font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--duo-secondary);
  flex: 1;
  min-width: 0;
}

.dict-duo [class*="-dict-def"] {
  color: var(--duo-text-muted);
  line-height: 1.5;
  font-size: 0.92rem;
}

/* ── Level / status pills ── */
.dict-duo [class*="-level-badge"],
.dict-duo .dict-duo-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 2px solid transparent;
}

.dict-duo .wf-level-b1,
.dict-duo .vocab-level-b1,
.dict-duo .pv-level-b1,
.dict-duo .id-level-b1,
.dict-duo .colloc-level-b1 {
  background: var(--duo-secondary-tint);
  color: var(--duo-secondary-dark);
  border-color: rgba(30, 157, 142, 0.25);
}

.dict-duo .wf-level-b2,
.dict-duo .vocab-level-b2,
.dict-duo .pv-level-b2,
.dict-duo .id-level-b2,
.dict-duo .colloc-level-b2 {
  background: var(--duo-warm-tint);
  color: #9a6b00;
  border-color: rgba(229, 168, 48, 0.35);
}

.dict-duo .wf-level-c1,
.dict-duo .vocab-level-c1,
.dict-duo .pv-level-c1,
.dict-duo .id-level-c1,
.dict-duo .colloc-level-c1 {
  background: var(--duo-primary-tint);
  color: var(--duo-primary);
  border-color: rgba(45, 46, 95, 0.15);
}

.dict-duo-pill--new {
  background: var(--duo-surface-muted);
  color: var(--duo-text-muted);
  border-color: #d1d5db;
}

.dict-duo-pill--learned {
  background: var(--duo-secondary-tint);
  color: var(--duo-secondary-dark);
  border-color: rgba(30, 157, 142, 0.3);
}

.dict-duo-pill--review {
  background: var(--duo-warm-tint);
  color: #9a6b00;
  border-color: rgba(229, 168, 48, 0.4);
}

/* ── Circular audio button (secondary accent) ── */
.dict-duo .dict-speak-btn,
.dict-duo .dict-mcq-speak-btn {
  width: 48px;
  height: 48px;
  min-width: 48px;
  padding: 0;
  border-radius: 50%;
  background: var(--duo-secondary);
  color: var(--duo-surface);
  border: 2px solid var(--duo-secondary-dark);
  border-bottom-width: 4px;
  box-shadow: 0 3px 0 var(--duo-secondary-dark);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  flex-shrink: 0;
}

.dict-duo .dict-speak-btn:hover,
.dict-duo .dict-mcq-speak-btn:hover {
  background: #22b5a5;
  color: var(--duo-surface);
  filter: brightness(1.05);
}

.dict-duo .dict-speak-btn:active,
.dict-duo .dict-mcq-speak-btn:active {
  transform: translateY(3px);
  border-bottom-width: 2px;
  box-shadow: 0 1px 0 var(--duo-secondary-dark);
}

.dict-duo .dict-speak-btn .material-symbols-outlined,
.dict-duo .dict-mcq-speak-btn .material-symbols-outlined {
  font-size: 1.25rem;
}

/* ── Practice mode toggle ── */
.dict-duo .dict-mcq-practice-btn,
.dict-duo .irv-dict-practice-btn {
  background: var(--duo-primary);
  color: var(--duo-surface);
  border: 2px solid var(--duo-primary-dark);
  border-bottom-width: 4px;
  border-radius: var(--duo-radius-sm);
  font-family: var(--duo-font-body);
  font-weight: 800;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 10px 14px;
  box-shadow: 0 3px 0 var(--duo-primary-dark);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  white-space: nowrap;
}

.dict-duo .dict-mcq-practice-btn--back {
  font-size: 0.82rem;
  padding: 8px 12px;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 700;
}

.dict-duo [class*="-dict-header"] .dict-mcq-practice-btn,
.dict-duo [class*="-dict-header"] .irv-dict-practice-btn {
  padding: 6px 10px;
  border-bottom-width: 3px;
  box-shadow: 0 2px 0 var(--duo-primary-dark);
}

.dict-duo [class*="-dict-header"] .dict-mcq-practice-btn--back {
  padding: 5px 10px;
  font-size: 0.8rem;
}

.dict-duo [class*="-dict-header"] .irv-dict-close {
  padding: 4px;
}

.dict-duo .dict-mcq-practice-btn:hover,
.dict-duo .irv-dict-practice-btn:hover {
  filter: brightness(1.06);
}

.dict-duo .dict-mcq-practice-btn:active,
.dict-duo .irv-dict-practice-btn:active {
  transform: translateY(3px);
  border-bottom-width: 2px;
  box-shadow: 0 1px 0 var(--duo-primary-dark);
}

/* ══════════════════════════════════════════════════════════════════════════
   PRACTICE MODE (MCQ)
   ══════════════════════════════════════════════════════════════════════════ */

.dict-mcq-session--duo {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  height: 100%;
  padding: 0;
}

.dict-mcq-duo-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--duo-surface);
  border-bottom: 2px solid var(--duo-surface-muted);
  flex-shrink: 0;
}

.dict-mcq-duo-streak {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-width: 44px;
  padding: 4px 8px;
  border-radius: 99px;
  background: var(--duo-warm-tint);
  border: 2px solid var(--duo-warm);
  font-family: var(--duo-font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--duo-warm-dark);
  flex-shrink: 0;
}

.dict-mcq-duo-streak-icon {
  font-size: 1.2rem;
  animation: fireFlicker 1.5s ease-in-out infinite;
}

.dict-mcq-duo-streak--cold {
  color: var(--duo-text-muted);
  background: var(--duo-surface-muted);
  border-color: #d5dae6;
}

.dict-mcq-duo-streak--cold .dict-mcq-duo-streak-icon {
  animation: none;
  opacity: 0.5;
}

.dict-mcq-duo-progress-wrap {
  flex: 1;
  min-width: 0;
}

.dict-mcq-duo-progress-track {
  height: 12px;
  background: var(--duo-surface-muted);
  border: 2px solid #e0e4ee;
  border-radius: 99px;
  overflow: hidden;
}

.dict-mcq-duo-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--duo-primary), #ffb347);
  border-radius: 99px;
  transition: width 0.4s cubic-bezier(0.34, 1.2, 0.64, 1);
}

.dict-mcq-duo-hearts {
  display: flex;
  gap: 1px;
  flex-shrink: 0;
  padding: 3px 6px;
  border-radius: 99px;
  background: rgba(239, 68, 68, 0.08);
  border: 2px solid rgba(239, 68, 68, 0.15);
}

.dict-mcq-duo-heart {
  color: var(--duo-error);
  line-height: 1;
}

.dict-mcq-duo-heart .material-symbols-outlined {
  font-size: 1.1rem;
  font-variation-settings: 'FILL' 1;
}

.dict-mcq-duo-heart--empty {
  color: var(--duo-surface-muted);
}

.dict-mcq-duo-heart--empty .material-symbols-outlined {
  font-variation-settings: 'FILL' 0;
}

.dict-mcq-duo-heart--lost {
  animation: duoHeartBreak 0.4s ease;
}

.dict-mcq-duo-body {
  flex: 1;
  min-height: 0;
  padding: 12px 14px 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.dict-mcq-duo-body.dict-mcq-duo-body--correct {
  animation: duoFlashCorrect 0.4s ease;
}

.dict-mcq-duo-body.dict-mcq-duo-body--wrong {
  animation: duoShake 0.4s ease;
}

.dict-mcq-setup--duo {
  padding: 28px 20px 32px;
  text-align: center;
}

.dict-mcq-setup--duo .dict-mcq-setup-title {
  font-family: var(--duo-font-display);
  font-size: 1.45rem;
  color: var(--duo-text);
  margin-bottom: 8px;
}

.dict-mcq-setup--duo .dict-mcq-setup-desc {
  font-size: 0.95rem;
  margin-bottom: 24px;
  color: var(--duo-text-muted);
  max-width: 360px;
  margin-left: auto;
  margin-right: auto;
}

.dict-mcq-diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 640px;
  margin: 0 auto;
}

.dict-mcq-diff-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  border: 2px solid var(--duo-surface-muted);
  border-bottom-width: 4px;
  border-radius: var(--duo-radius);
  padding: 18px 12px;
  background: var(--duo-surface);
  transition: transform 0.1s ease, border-color 0.15s ease, background 0.15s ease;
}

.dict-mcq-diff-emoji {
  font-size: 1.6rem;
  line-height: 1;
  margin-bottom: 6px;
}

.dict-mcq-diff-btn:hover {
  border-color: var(--duo-primary);
  background: var(--duo-primary-tint);
  transform: translateY(-2px);
}

.dict-mcq-diff-btn:active {
  transform: translateY(2px);
  border-bottom-width: 2px;
}

.dict-mcq-diff-label {
  font-family: var(--duo-font-display);
  font-size: 1.1rem;
}

.dict-mcq-prompt--duo {
  text-align: center;
  margin-bottom: 12px;
  flex-shrink: 0;
}

.dict-mcq-prompt--duo .dict-mcq-prompt-label {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--duo-text-muted);
}

.dict-mcq-prompt--duo .dict-mcq-term-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.dict-mcq-prompt--duo .dict-mcq-term,
.dict-mcq-prompt--duo .dict-tts-word.dict-mcq-term {
  font-family: var(--duo-font-display);
  font-size: clamp(1.35rem, 4.5vw, 1.75rem);
  font-weight: 700;
  color: var(--duo-text);
  line-height: 1.15;
}

.dict-mcq-prompt--duo .dict-tts-word.dict-mcq-term:hover,
.dict-mcq-prompt--duo .dict-tts-word.dict-mcq-term:focus-visible {
  color: var(--duo-secondary-dark);
}

.dict-mcq-prompt--duo .dict-mcq-level {
  flex-shrink: 0;
  background: var(--duo-secondary-tint);
  color: var(--duo-secondary-dark);
  border-radius: 99px;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 700;
}

.dict-mcq-options--duo {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  min-height: 0;
  justify-content: center;
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
}

.dict-mcq-options--duo .dict-mcq-option {
  min-height: 0;
  padding: 12px 14px;
  border: 2px solid var(--duo-surface-muted);
  border-bottom-width: 4px;
  border-radius: var(--duo-radius-sm);
  background: var(--duo-surface);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--duo-text);
  text-align: left;
  cursor: pointer;
  line-height: 1.35;
  transition: transform 0.1s ease, border-color 0.15s ease, background 0.15s ease;
}

.dict-mcq-options--duo .dict-mcq-option:hover:not(:disabled) {
  border-color: var(--duo-secondary);
  background: var(--duo-secondary-tint);
  transform: translateY(-1px);
}

.dict-mcq-options--duo .dict-mcq-option:active:not(:disabled) {
  transform: translateY(3px);
  border-bottom-width: 2px;
}

.dict-mcq-options--duo .dict-mcq-option-correct {
  border-color: var(--duo-correct) !important;
  border-bottom-color: var(--duo-correct-dark) !important;
  background: var(--duo-correct-tint) !important;
  color: var(--duo-correct-dark) !important;
  animation: duoPop 0.35s ease;
}

.dict-mcq-options--duo .dict-mcq-option-wrong {
  border-color: var(--duo-error) !important;
  border-bottom-color: var(--duo-error-dark) !important;
  background: var(--duo-error-tint) !important;
  color: var(--duo-error-dark) !important;
  animation: duoShake 0.4s ease;
}

.dict-mcq-feedback--duo {
  text-align: center;
  margin: 8px auto 0;
  max-width: 560px;
  font-size: 0.9rem;
  font-weight: 700;
  min-height: 1.4em;
  flex-shrink: 0;
}

.dict-mcq-feedback--duo.dict-mcq-feedback-correct {
  color: var(--duo-correct-dark);
}

.dict-mcq-feedback--duo.dict-mcq-feedback-wrong {
  color: var(--duo-error-dark);
}

/* Fixed continue footer */
.dict-mcq-duo-footer {
  flex-shrink: 0;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px));
  background: linear-gradient(to top, var(--duo-bg) 70%, transparent);
  border-top: 2px solid var(--duo-surface-muted);
  z-index: 2;
}

.dict-mcq-duo-footer .dict-mcq-btn-primary {
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  background: var(--duo-primary);
  color: var(--duo-surface);
  border: 2px solid var(--duo-primary-dark);
  border-bottom-width: 4px;
  border-radius: var(--duo-radius);
  min-height: var(--duo-touch);
  padding: 14px 24px;
  font-family: var(--duo-font-body);
  font-size: 1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  box-shadow: 0 4px 0 var(--duo-primary-dark);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.dict-mcq-duo-footer .dict-mcq-btn-primary:hover:not(:disabled) {
  background: var(--duo-primary);
  border-color: var(--duo-primary-dark);
  filter: brightness(1.06);
}

.dict-mcq-duo-footer .dict-mcq-btn-primary:active:not(:disabled) {
  transform: translateY(3px);
  border-bottom-width: 2px;
  box-shadow: 0 1px 0 var(--duo-primary-dark);
}

.dict-mcq-duo-footer .dict-mcq-btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.dict-mcq-duo-footer .dict-mcq-btn-ghost {
  display: none;
}

/* ── Results / celebration screen ── */
.dict-mcq-complete--duo {
  position: relative;
  text-align: center;
  padding: 40px 20px 32px;
  overflow: hidden;
}

.dict-mcq-complete--duo h3 {
  font-family: var(--duo-font-display);
  font-size: 1.6rem;
  color: var(--duo-text);
  animation: celebratePop 0.5s ease;
}

.dict-mcq-duo-xp-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 16px auto;
  padding: 12px 24px;
  background: var(--duo-warm-tint);
  border: 2px solid var(--duo-warm);
  border-bottom-width: 4px;
  border-radius: var(--duo-radius);
  font-family: var(--duo-font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: #9a6b00;
  animation: bounceIn 0.5s ease 0.2s backwards;
}

.dict-mcq-duo-stats {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 20px 0 28px;
  flex-wrap: wrap;
}

.dict-mcq-duo-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 80px;
}

.dict-mcq-duo-stat-value {
  font-family: var(--duo-font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--duo-text);
}

.dict-mcq-duo-stat-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--duo-text-muted);
}

.dict-mcq-complete--duo .material-symbols-outlined.trophy-icon {
  font-size: 3.5rem;
  color: var(--duo-warm-dark);
  animation: celebratePop 0.6s ease;
}

.dict-mcq-complete--duo .dict-mcq-complete-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 320px;
  margin: 0 auto;
}

.dict-mcq-complete--duo .dict-mcq-btn-primary {
  width: 100%;
  background: var(--duo-primary);
  color: var(--duo-surface);
  border: 2px solid var(--duo-primary-dark);
  border-bottom-width: 4px;
  border-radius: var(--duo-radius);
  min-height: var(--duo-touch);
  font-weight: 800;
  text-transform: uppercase;
  box-shadow: 0 4px 0 var(--duo-primary-dark);
}

.dict-mcq-complete--duo .dict-mcq-btn-primary:hover:not(:disabled) {
  background: var(--duo-primary);
  border-color: var(--duo-primary-dark);
  filter: brightness(1.06);
}

.dict-mcq-complete--duo .dict-mcq-btn:not(.dict-mcq-btn-primary) {
  background: var(--duo-surface);
  border: 2px solid var(--duo-surface-muted);
  border-bottom-width: 4px;
  border-radius: var(--duo-radius);
  min-height: var(--duo-touch);
  font-weight: 700;
}

/* Confetti particles */
.dict-duo-confetti {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.dict-duo-confetti-piece {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  top: -10px;
  animation: dictConfettiFall 2.5s ease-in forwards;
}

.dict-mcq-complete--duo > *:not(.dict-duo-confetti) {
  position: relative;
  z-index: 1;
}

/* ── IRV practice duo overrides ── */
.dict-duo .irv-practice-input {
  border: 2px solid var(--duo-surface-muted);
  border-bottom-width: 3px;
  border-radius: var(--duo-radius-sm);
  min-height: var(--duo-touch);
}

.dict-duo .irv-practice-input:focus {
  border-color: var(--duo-secondary);
}

.dict-duo .irv-input-correct,
.dict-duo .irv-input-showing-correct {
  border-color: var(--duo-correct);
  background: var(--duo-correct-tint);
  color: var(--duo-correct-dark);
  font-weight: 700;
}

.dict-duo .irv-practice-btn-primary {
  background: var(--duo-primary);
  border: 2px solid var(--duo-primary-dark);
  border-bottom-width: 4px;
  border-radius: var(--duo-radius-sm);
  box-shadow: 0 3px 0 var(--duo-primary-dark);
  min-height: var(--duo-touch);
}

.dict-duo .irv-practice-btn-primary:hover:not(:disabled) {
  background: var(--duo-primary);
  border-color: var(--duo-primary-dark);
  filter: brightness(1.06);
}

/* ── Mobile launcher & popover (Sune brand) ── */
.dict-home-box--duo {
  background: var(--duo-bg);
  border: 2px solid var(--duo-surface-muted);
}

.dict-home-header--duo {
  border-bottom: 2px solid var(--duo-surface-muted);
}

.dict-home-header--duo .dict-home-icon .material-symbols-outlined {
  color: var(--duo-secondary);
}

.dict-home-header--duo .dict-home-title {
  font-family: var(--duo-font-display);
  color: var(--duo-text);
}

.dict-home-card--duo {
  background: var(--duo-surface);
  border: 2px solid var(--duo-surface-muted);
  border-bottom-width: 4px;
  border-radius: var(--duo-radius-sm);
}

.dict-home-card--duo:hover {
  border-color: var(--duo-secondary);
  transform: translateY(-2px);
}

.dict-home-card-icon--duo {
  background: var(--duo-secondary-tint) !important;
}

.dict-home-card-icon--duo .material-symbols-outlined {
  color: var(--duo-secondary);
}

.dict-home-card--duo .dict-home-card-name {
  font-family: var(--duo-font-display);
  color: var(--duo-text);
}

.dict-popover-inner {
  background: var(--duo-bg);
  border: 2px solid var(--duo-surface-muted);
}

.dict-popover::before {
  background: var(--duo-bg);
  border-color: var(--duo-surface-muted);
}

.dict-popover-title {
  font-family: var(--duo-font-display);
  color: var(--duo-text);
}

.dict-popover-title .material-symbols-outlined {
  color: var(--duo-secondary);
}

.dict-popover-card {
  background: var(--duo-surface);
  border: 2px solid var(--duo-surface-muted);
  border-bottom-width: 4px;
}

.dict-popover-card:hover {
  border-color: var(--duo-secondary);
  transform: translateY(-2px);
}

.dict-popover-card .material-symbols-outlined {
  color: var(--duo-secondary);
}

.dict-popover-card span:last-child {
  color: var(--duo-text);
  font-family: var(--duo-font-display);
}

/* ── Animations ── */
@keyframes dictCardIn {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes duoPop {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.06); }
  100% { transform: scale(1); }
}

@keyframes duoShake {
  0%, 100% { transform: translateX(0); }
  20%      { transform: translateX(-8px); }
  40%      { transform: translateX(8px); }
  60%      { transform: translateX(-5px); }
  80%      { transform: translateX(5px); }
}

@keyframes duoFlashCorrect {
  0%   { background-color: transparent; }
  30%  { background-color: var(--duo-correct-tint); }
  100% { background-color: transparent; }
}

/* ── Practice fullscreen layout ── */
.dict-duo-practice-active {
  padding: 0 !important;
  align-items: stretch !important;
}

.dict-duo-practice-active .dict-duo,
.dict-duo-practice-active [class*="-dict-box"] {
  max-width: 100% !important;
  width: 100% !important;
  max-height: 100dvh !important;
  height: 100dvh !important;
  border-radius: 0 !important;
  display: flex;
  flex-direction: column;
}

.dict-duo--practice-active [class*="-dict-results"],
.dict-duo--practice-active [class*="-dict-body"] {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0 !important;
  margin: 0 !important;
}

.dict-duo--practice-active .dict-mcq-session--duo {
  flex: 1;
  min-height: 0;
}

/* Dictionary modals: keep modal width when practice mode is active */
.dict-duo-practice-active[class*="-dict-overlay"] {
  padding: 16px !important;
  align-items: center !important;
}

.dict-duo-practice-active[class*="-dict-overlay"] [class*="-dict-box"] {
  max-width: 680px !important;
  width: 100% !important;
}

@media (max-width: 600px) {
  .dict-duo [class*="-dict-search-row"] {
    grid-template-columns: 1fr minmax(108px, 120px);
    gap: 8px;
    padding: 10px 12px 8px;
  }

  .dict-duo [class*="-dict-search"] {
    font-size: 16px;
  }

  .dict-mcq-diff-grid {
    grid-template-columns: 1fr;
    max-width: 300px;
  }

  .dict-mcq-options--duo .dict-mcq-option {
    font-size: 0.88rem;
    padding: 10px 12px;
  }
}

@media (min-width: 601px) {
  .dict-duo-practice-active {
    padding: 12px !important;
  }

  .dict-duo-practice-active .dict-duo,
  .dict-duo-practice-active [class*="-dict-box"] {
    max-height: 92vh !important;
    height: auto !important;
    min-height: 70vh;
    border-radius: var(--duo-radius-lg) !important;
  }

  .dict-duo-practice-active[class*="-dict-overlay"] {
    padding: 16px !important;
  }

  .dict-duo-practice-active[class*="-dict-overlay"] [class*="-dict-box"] {
    max-width: 680px !important;
    width: 100% !important;
  }
}

@keyframes duoHeartBreak {
  0%   { transform: scale(1); opacity: 1; }
  50%  { transform: scale(1.3); opacity: 0.5; }
  100% { transform: scale(0.8); opacity: 0.3; }
}

@keyframes dictConfettiFall {
  0%   { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(320px) rotate(720deg); opacity: 0; }
}

/* Stagger flashcard entrance */
.dict-duo [class*="-dict-entry"]:nth-child(1) { animation-delay: 0.02s; }
.dict-duo [class*="-dict-entry"]:nth-child(2) { animation-delay: 0.04s; }
.dict-duo [class*="-dict-entry"]:nth-child(3) { animation-delay: 0.06s; }
.dict-duo [class*="-dict-entry"]:nth-child(4) { animation-delay: 0.08s; }
.dict-duo [class*="-dict-entry"]:nth-child(5) { animation-delay: 0.1s; }

@media (prefers-reduced-motion: reduce) {
  .dict-duo [class*="-dict-entry"],
  .dict-mcq-duo-body--correct,
  .dict-mcq-duo-body--wrong,
  .dict-mcq-option-correct,
  .dict-mcq-option-wrong,
  .dict-mcq-duo-streak-icon,
  .dict-duo-confetti-piece {
    animation: none !important;
    transition: none !important;
  }
}