/* ================================================
   VOCABULARY TRAINER — Clean & Responsive
   ================================================ */

/* ─── LEVEL SELECTION SCREEN ─── */
.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.quiz-levels {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.65rem;
  margin-bottom: 2rem;
}

@media (max-width: 640px) { .quiz-levels { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 360px) { .quiz-levels { grid-template-columns: repeat(2, 1fr); } }

.qlevel-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  padding: 0.9rem 0.5rem 0.75rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  cursor: pointer;
  transition: all 0.18s;
  font-family: 'Outfit', sans-serif;
  text-align: center;
}

.qlevel-btn:hover { border-color: var(--primary); background: var(--primary-light); }
.qlevel-btn:hover .level-code { color: var(--primary); }

.level-code {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}

.level-name {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.level-desc {
  display: none; /* shown only on wider screens */
  font-size: 0.6rem;
  color: var(--text-muted);
  line-height: 1.3;
}

@media (min-width: 900px) {
  .quiz-levels      { grid-template-columns: repeat(3, 1fr); gap: 0.75rem; }
  .qlevel-btn       { padding: 1rem 1rem 0.85rem; }
  .level-desc       { display: block; }
  .level-name       { font-size: 0.72rem; }
}

.level-pb {
  font-size: 0.62rem;
  color: var(--primary);
  font-weight: 700;
  margin-top: 0.15rem;
  min-height: 0.9rem;
}

/* ─── PROGRESS BAR ─── */
.quiz-progress-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.quiz-progress-bar-bg {
  width: 100%;
  height: 5px;
  background: var(--border);
  border-radius: 999px;
  margin-bottom: 1.25rem;
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 999px;
  transition: width 0.35s ease;
}

.live-score {
  display: flex;
  gap: 1.25rem;
  font-size: 0.8rem;
  font-weight: 700;
}

.live-score .sc { color: #059669; }
.live-score .sw { color: #dc2626; }

/* ─── WORD CARD ─── */
.quiz-word-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  text-align: center;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-md);
}

.quiz-level-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary);
  margin-bottom: 0.85rem;
  letter-spacing: 0.04em;
}

.quiz-the-word {
  font-family: 'Outfit', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

@media (max-width: 480px) { .quiz-the-word { font-size: 1.6rem; } }

.quiz-example {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.6;
}

/* ─── OPTIONS GRID ─── */
.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 480px) { .options-grid { grid-template-columns: 1fr; } }

.option-btn {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.8rem 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text);
  font-size: 0.85rem;
  font-family: 'Inter', sans-serif;
  line-height: 1.5;
  cursor: pointer;
  transition: all 0.13s;
  min-height: 52px;
}

.option-btn:hover:not(:disabled) {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
}

.option-btn.correct {
  border-color: #10b981;
  background: rgba(16,185,129,0.12);
  color: #059669;
  font-weight: 600;
}

.option-btn.wrong {
  border-color: #ef4444;
  background: rgba(239,68,68,0.09);
  color: #dc2626;
}

.option-btn:disabled { cursor: default; }

/* ─── RESULT CARD ─── */
.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-md);
  margin-bottom: 1rem;
}

.result-trophy       { font-size: 2.5rem; margin-bottom: 0.5rem; }
.result-big-score    { font-family: 'Outfit',sans-serif; font-size: 3.25rem; font-weight: 800; color: var(--primary); line-height: 1; }
.result-out-of       { font-size: 0.875rem; color: var(--text-muted); margin: 0.2rem 0 0.15rem; }
.result-pct          { font-size: 1.2rem; font-weight: 700; color: var(--text); margin-bottom: 1rem; }

.result-stats {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 0.65rem;
}

.rs-chip          { padding: 0.3rem 0.9rem; border-radius: 999px; font-size: 0.825rem; font-weight: 700; }
.rs-correct       { background: rgba(16,185,129,0.12); color: #059669; }
.rs-wrong         { background: rgba(239,68,68,0.09);  color: #dc2626; }

.result-pb-msg    { font-size: 0.8rem; color: var(--primary); font-weight: 600; margin-top: 0.4rem; }

/* ─── LEVEL SUGGESTION ─── */
.level-suggest-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: var(--bg-card);
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.1rem;
  margin-bottom: 0.85rem;
  box-shadow: 0 0 0 3px rgba(79,70,229,0.07);
}

.ls-icon  { font-size: 1.4rem; flex-shrink: 0; }
.ls-body  { flex: 1; min-width: 0; }
.ls-title { font-weight: 700; font-size: 0.875rem; color: var(--text); }
.ls-desc  { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.15rem; line-height: 1.4; }
.ls-btn   { flex-shrink: 0; white-space: nowrap; padding: 0.4rem 0.85rem; font-size: 0.8rem; }

/* ─── MISTAKE REVIEW ─── */
#mistakeReview { margin-bottom: 0.85rem; }

.mistake-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.8rem 1.1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  transition: background 0.13s, border-color 0.13s;
  font-family: 'Inter', sans-serif;
}

.mistake-toggle:hover { border-color: var(--primary); background: var(--primary-light); }

.mistake-list {
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  overflow: hidden;
}

.mistake-item {
  padding: 0.8rem 1.1rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}

.mistake-item:last-child { border-bottom: none; }

.mi-word    { font-family: 'Outfit',sans-serif; font-size: 1rem; font-weight: 800; color: var(--text); margin-bottom: 0.3rem; }
.mi-correct,
.mi-wrong   { font-size: 0.8rem; line-height: 1.5; margin-bottom: 0.1rem; color: var(--text-muted); }

.mi-label      { font-weight: 700; font-size: 0.72rem; }
.correct-label { color: #059669; }
.wrong-label   { color: #dc2626; }

/* ─── ACTION BUTTONS ROW ─── */
.quiz-actions-row {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 1.25rem;
}

/* ─── LEADERBOARD ─── */
.region-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.region-tab {
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-card);
  transition: all 0.18s;
  text-decoration: none;
}

.region-tab:hover  { border-color: var(--primary); color: var(--primary); }
.region-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }

.lb-table          { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.lb-table th       { padding: 0.65rem 1rem; text-align: left; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); border-bottom: 2px solid var(--border); background: var(--bg); }
.lb-table td       { padding: 0.65rem 1rem; border-bottom: 1px solid var(--border); color: var(--text); }
.lb-table tr:last-child td { border-bottom: none; }
.lb-table tr.top-1 td { background: rgba(251,191,36,0.08); }
.lb-table tr.top-2 td { background: rgba(148,163,184,0.07); }
.lb-table tr.top-3 td { background: rgba(180,124,70,0.07); }
.lb-table tr:hover td { background: var(--primary-light); }

.rank-cell { font-weight: 700; font-size: 1rem; width: 50px; }
.name-cell { font-weight: 600; }
.pct-cell  { font-weight: 700; color: var(--primary); }
.date-cell { color: var(--text-muted); font-size: 0.78rem; }

.level-pill       { display: inline-block; font-size: 0.7rem; font-weight: 700; padding: 0.18rem 0.5rem; border-radius: 999px; background: var(--primary-light); color: var(--primary); }
.level-pill.level-c1,
.level-pill.level-c2 { background: var(--accent-light); color: var(--accent-hover); }