/* css/components.css — German A1 Hub Interactive Components */

/* --- Card Base --- */
.lesson-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  margin-bottom: 24px;
}

.lesson-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.lesson-card-icon {
  font-size: 1.4rem;
}

.lesson-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
}

/* --- Audio Button --- */
.btn-audio {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: var(--surface-hover);
  border: 1px solid var(--btn-audio-border);
  color: var(--primary);
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  vertical-align: middle;
  line-height: 1.2;
}

.btn-audio:hover {
  background: var(--primary-subtle);
  border-color: var(--primary-light);
  transform: scale(1.03);
}

.btn-audio.audio-playing {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  animation: audioPulse 1s infinite alternate;
}

@keyframes audioPulse {
  from { opacity: 0.8; transform: scale(1); }
  to { opacity: 1; transform: scale(1.06); }
}

/* --- Gender Badges & Highlighting --- */
.gender-der {
  color: var(--gender-der);
  font-weight: 700;
}

.gender-die {
  color: var(--gender-die);
  font-weight: 700;
}

.gender-das {
  color: var(--gender-das);
  font-weight: 700;
}

.gender-badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-right: 6px;
}

.badge-der {
  background: var(--gender-der-bg);
  color: var(--gender-der);
}

.badge-die {
  background: var(--gender-die-bg);
  color: var(--gender-die);
}

.badge-das {
  background: var(--gender-das-bg);
  color: var(--gender-das);
}

.badge-plural {
  background: var(--gender-plural-bg);
  color: var(--gender-plural);
}

/* --- Tables (Grammar & Vocabulary) --- */
.table-responsive {
  overflow-x: auto;
  margin: 14px 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.data-table th {
  background: var(--surface-alt);
  padding: 12px 14px;
  font-weight: 700;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover {
  background: var(--surface-hover);
}

/* --- Dialogue Component --- */
.dialogue-box {
  background: var(--surface-raised);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.dialogue-line {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.dialogue-speaker {
  font-weight: 700;
  min-width: 90px;
  color: var(--primary);
  font-size: 0.88rem;
  padding-top: 2px;
}

.dialogue-bubble {
  flex: 1;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
}

.dialogue-de {
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.dialogue-en {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* --- Reading & Writing Exercises --- */
.reading-text-box {
  background: var(--warning-bg);
  border-left: 4px solid var(--warning);
  padding: 16px 20px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.95rem;
  white-space: pre-line;
  line-height: 1.7;
  margin-bottom: 18px;
}

.model-answer-toggle {
  background: var(--surface-hover);
  border: 1px dashed var(--btn-audio-border);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-top: 14px;
}

.model-answer-toggle summary {
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
}

.model-answer-text {
  margin-top: 10px;
  font-size: 0.92rem;
  color: var(--text-main);
  background: var(--card-bg);
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  white-space: pre-line;
}

/* --- Flashcard Interactive Deck --- */
.flashcard-stage {
  perspective: 1000px;
  max-width: 520px;
  margin: 30px auto;
  min-height: 280px;
}

.flashcard {
  width: 100%;
  min-height: 260px;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.flashcard.is-flipped {
  transform: rotateY(180deg);
}

.card-face {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: var(--radius-lg);
  border: 2px solid var(--border);
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  text-align: center;
  background: var(--card-bg);
}

.card-back {
  transform: rotateY(180deg);
  background: var(--callout-info-bg);
  border-color: var(--badge-active-border);
}

.card-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.card-main-text {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 16px 0;
}

.card-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}

.card-flip-prompt {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.flashcard-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.btn-card {
  padding: 8px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--card-bg);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-card:hover {
  background: var(--surface-hover);
}

.btn-card-known {
  background: var(--success-bg);
  color: var(--success);
  border-color: var(--success);
}

.btn-card-review {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: var(--danger);
}

/* --- Interactive Practice Exercises --- */
.exercise-container {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.exercise-score-bar {
  position: relative;
  z-index: auto;
  background: var(--card-bg);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.score-stats {
  display: flex;
  align-items: center;
  gap: 16px;
}

.score-big {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
}

.progress-track {
  background: var(--border);
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  width: 140px;
}

.progress-fill {
  background: var(--success);
  height: 100%;
  width: 0%;
  transition: width 0.3s;
}

.q-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s;
}

.q-prompt {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 14px;
  color: var(--text-main);
}

.q-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.q-opt-btn {
  display: block;
  width: 100%;
  text-align: left;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  background: var(--surface-raised);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.15s ease-in-out;
  color: var(--text-main);
}

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

.q-opt-btn.correct {
  background: var(--success-bg) !important;
  border-color: var(--success) !important;
  color: var(--callout-tip-text) !important;
  font-weight: 700;
}

.q-opt-btn.wrong {
  background: var(--danger-bg) !important;
  border-color: var(--danger) !important;
  color: var(--callout-danger-text) !important;
}

.q-opt-btn.disabled {
  cursor: default;
}

.q-explanation {
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  line-height: 1.5;
  display: none;
}

.q-explanation.show {
  display: block;
}

.q-explanation.correct-exp {
  background: var(--success-bg);
  border: 1px solid var(--success);
  color: var(--callout-tip-text);
}

.q-explanation.wrong-exp {
  background: var(--danger-bg);
  border: 1px solid var(--danger);
  color: var(--callout-danger-text);
}

/* --- 10-Minute Office Revision Mode --- */
.office-timer-card {
  background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 30px;
  text-align: center;
  box-shadow: var(--shadow-md);
  margin-bottom: 24px;
}

.timer-digits {
  font-size: 3.5rem;
  font-weight: 900;
  letter-spacing: 2px;
  font-variant-numeric: tabular-nums;
  margin: 10px 0;
}

.phase-pill {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  padding: 6px 16px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.phase-instruction {
  font-size: 1.05rem;
  max-width: 580px;
  margin: 0 auto 20px;
  opacity: 0.95;
  line-height: 1.6;
}

.timer-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.btn-timer {
  padding: 10px 24px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-timer-play {
  background: #ffffff;
  color: var(--primary);
}

.btn-timer-reset {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

.btn-timer:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* --- End of Day Checklist --- */
.checklist-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 16px 0;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  background: var(--surface-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.15s;
}

.checklist-item:hover {
  background: var(--surface-hover);
}

.checklist-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  cursor: pointer;
  accent-color: var(--primary);
}

.checklist-item.checked {
  background: var(--success-bg);
  border-color: var(--success);
  text-decoration: line-through;
  opacity: 0.85;
}

/* --- Progress Tracker Dashboard View --- */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-val {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.days-overview-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 14px;
}

.days-overview-table th, .days-overview-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.days-overview-table tr:hover {
  background: var(--surface-alt);
}

.dashboard-backup-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* --- Dark Mode Utility Classes (used by app.js templates) --- */
.bg-surface-alt { background: var(--surface-alt); }
.bg-surface-hover { background: var(--surface-hover); }
.bg-card { background: var(--card-bg); }
.bg-callout-tip { background: var(--callout-tip-bg); border: 1px solid var(--callout-tip-border); color: var(--callout-tip-text); }
.bg-callout-danger { background: var(--callout-danger-bg); border: 1px solid var(--callout-danger-border); color: var(--callout-danger-text); }
.bg-callout-info { background: var(--callout-info-bg); border: 1px solid var(--callout-info-border); color: var(--callout-info-text); }
.text-info { color: var(--callout-info-text); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-muted-dark { color: var(--text-muted); }
.ipa-badge { background: var(--border); padding: 2px 8px; border-radius: 4px; display: inline-block; }
.completion-banner { background: var(--callout-tip-bg); border: 2px solid var(--success); border-radius: var(--radius-md); padding: 20px; text-align: center; }
.mistake-card { border: 1px solid var(--danger); background: var(--callout-danger-bg); border-radius: var(--radius-md); padding: 14px; }
.btn-action-blue { background: var(--primary); color: #fff; border: none; padding: 8px 16px; border-radius: var(--radius-md); cursor: pointer; font-weight: 600; }
.btn-action-blue:hover { opacity: 0.9; }

/* Component Responsiveness */
@media (max-width: 768px) {
  .lesson-card {
    padding: 18px 16px;
    margin-bottom: 18px;
    border-radius: var(--radius-md);
  }
  .lesson-card-title {
    font-size: 1.1rem;
  }
  .lesson-card-icon {
    font-size: 1.25rem;
  }
  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .stat-card {
    padding: 14px;
  }
  .stat-val {
    font-size: 1.6rem;
  }
  .dashboard-backup-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .dashboard-backup-bar .btn-header,
  .dashboard-backup-bar label {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .exercise-score-bar {
    top: 58px;
    padding: 10px 14px;
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
  }
  .score-stats {
    justify-content: space-between;
    width: 100%;
  }
  .progress-track {
    flex: 1;
    margin: 0 10px;
    width: auto;
  }
  .q-card {
    padding: 16px 14px;
  }
  .q-prompt {
    font-size: 0.98rem;
  }
  .q-opt-btn {
    padding: 12px 14px;
    font-size: 0.92rem;
    min-height: 44px;
  }
  .flashcard-stage {
    max-width: 100%;
    margin: 16px auto;
    min-height: 240px;
  }
  .flashcard {
    min-height: 240px;
  }
  .card-face {
    padding: 20px 16px;
  }
  .card-main-text {
    font-size: clamp(1.3rem, 5vw, 1.6rem);
    margin: 12px 0;
  }
  .flashcard-controls {
    gap: 8px;
  }
  .btn-card {
    padding: 10px 14px;
    font-size: 0.85rem;
  }
  .office-timer-card {
    padding: 20px 16px;
  }
  .timer-digits {
    font-size: clamp(2.4rem, 12vw, 3.2rem);
    margin: 6px 0;
  }
  .phase-instruction {
    font-size: 0.92rem;
    margin-bottom: 16px;
  }
  .timer-actions {
    flex-direction: column;
    gap: 8px;
  }
  .btn-timer {
    width: 100%;
    padding: 12px;
  }
  .dialogue-box {
    padding: 14px 12px;
    gap: 10px;
  }
  .dialogue-line {
    flex-direction: column;
    gap: 4px;
  }
  .dialogue-speaker {
    min-width: unset;
    font-size: 0.82rem;
  }
  .dialogue-bubble {
    width: 100%;
    padding: 10px 12px;
  }
  .data-table th, .data-table td {
    padding: 8px 10px;
    font-size: 0.84rem;
  }
}

@media (max-width: 440px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}