/* ============================================================
   cloze.css — Fill-in-the-Blank Cloze Test
   ============================================================ */

/* ---- Page Layout ---- */
.cloze-page {
  width: 100%;
  max-width: var(--max-w);
  padding: 32px var(--page-pad-x) 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}

#exercise-area { width: 100%; max-width: var(--max-w); display: flex; flex-direction: column; align-items: center; }


/* ---- Header ---- */
.cloze-header {
  text-align: center;
  margin-bottom: 24px;
  animation: fadeIn 0.5s ease-out both;
}

.cloze-header h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  color: var(--clr-text);
  margin-bottom: 8px;
}

.cloze-header h1 span { color: var(--clr-primary); }

.cloze-header p {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  font-weight: 500;
  max-width: 400px;
  margin: 0 auto;
}

/* ---- Topic Grid ---- */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
  width: 100%;
  animation: fadeIn 0.5s ease-out 0.1s both;
}

.topic-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 12px;
  background: var(--clr-surface);
  border: 2px solid var(--clr-border);
  border-top: 3px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: border-color var(--transition), transform var(--transition-bounce), box-shadow var(--transition);
  font-family: 'Raleway', sans-serif;
}

.topic-btn:hover {
  border-color: var(--clr-primary-light);
  border-top-color: var(--clr-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.topic-btn:active { transform: scale(0.97); }

.topic-emoji { font-size: 1.8rem; line-height: 1; }
.topic-label { font-size: 0.82rem; font-weight: 700; color: var(--clr-text); }


/* ---- Page Title ---- */
.cloze-title {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 800;
  color: var(--clr-text);
  text-align: center;
  margin-bottom: 6px;
  opacity: 0;
  animation: fadeIn 0.5s ease-out 0.1s forwards;
}

.cloze-title span { color: var(--clr-primary); }

.cloze-subtitle {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  font-weight: 500;
  text-align: center;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeIn 0.5s ease-out 0.2s forwards;
}

/* ---- Phrase Card ---- */
.phrase-card {
  width: 100%;
  background: linear-gradient(135deg, var(--clr-surface) 0%, var(--clr-surface-2) 100%);
  border: 1px solid var(--clr-border);
  border-left: 4px solid var(--clr-primary);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  text-align: center;
  margin-bottom: 16px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  animation: fadeInScale 0.6s ease-out 0.3s forwards;
  transition: border-left-color var(--transition), box-shadow var(--transition);
}

.phrase-card--correct  { border-left-color: var(--clr-success); }
.phrase-card--incorrect { border-left-color: var(--clr-danger); }

.phrase-text {
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 800;
  color: var(--clr-text);
  line-height: 1.45;
  margin-bottom: 10px;
}

/* Style the blank placeholder */
.phrase-text {
  white-space: pre-wrap;
  word-break: break-word;
}

.translation-text {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--clr-text-muted);
  font-weight: 500;
}

/* ---- Listen Button ---- */
.listen-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  font-family: 'Raleway', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--clr-text-muted);
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  margin-bottom: 20px;
  transition: background var(--transition), color var(--transition);
  opacity: 0;
  animation: fadeIn 0.4s ease-out 0.35s forwards;
}

.listen-btn:hover { background: var(--clr-accent-light); color: var(--clr-accent-dark); border-color: var(--clr-accent); }

/* ---- Input Row ---- */
.cloze-input-row {
  width: 100%;
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  opacity: 0;
  animation: fadeIn 0.4s ease-out 0.4s forwards;
}

#cloze-input {
  flex: 1;
  padding: 13px 18px;
  font-family: 'Raleway', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-text);
  background: var(--clr-surface);
  border: 2px solid var(--clr-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

#cloze-input:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}

#cloze-input:disabled { opacity: 0.6; cursor: not-allowed; }

.check-btn {
  padding: 13px 22px;
  font-family: 'Raleway', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  background: var(--clr-check-btn);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--transition-bounce), filter var(--transition);
}

.check-btn:hover:not(:disabled) { filter: brightness(1.1); transform: scale(1.03); }
.check-btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

/* ---- Feedback ---- */
.cloze-feedback {
  width: 100%;
  padding: 16px 20px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-left: 4px solid var(--clr-border);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  animation: fadeInScale 0.3s ease-out both;
}

.cloze-feedback.correct   { background: var(--clr-success-light); border-left-color: var(--clr-success); }
.cloze-feedback.incorrect  { background: var(--clr-danger-light);  border-left-color: var(--clr-danger); }



.feedback-result { font-size: 1rem; font-weight: 800; margin-bottom: 8px; }
.feedback-result.correct   { color: var(--clr-success); }
.feedback-result.incorrect { color: var(--clr-danger); }

/* ---- Grammar chip spacing ---- */
.grammar-chip-wrap { margin-top: 0; margin-bottom: 16px; }

/* ---- Next / Try Again — side by side in one row ---- */
#exercise-area .action-row {
  display: flex;
  gap: 12px;
  width: 100%;
}
#exercise-area .next-btn,
#exercise-area .try-again-btn {
  flex: 1;
  padding: 14px;
  margin-top: 0;
  animation: fadeInScale 0.3s ease-out both;
}

/* ---- Responsive ---- */
@media (max-width: 480px) {
  .cloze-page { padding: 20px var(--page-pad-x) 48px; }
  .phrase-card { padding: 24px 18px; }
  .phrase-text { font-size: 1.1rem; }
  .cloze-input-row { flex-direction: column; }
  .topic-grid { grid-template-columns: repeat(3, 1fr); }
  .topic-btn { padding: 14px 8px; }
  .topic-emoji { font-size: 1.5rem; }
}

#topic-picker { width: 100%; }