/* ================================================
   Exam-specific CSS
   ================================================ */

/* Exam Take Page */
.exam-layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
  background: #F8FAFC;
}

/* Exam Header Bar */
.exam-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.exam-header-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  max-width: 400px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Countdown Timer */
.exam-timer {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #F1F5F9;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 8px 16px;
  font-size: 20px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  transition: all 0.3s ease;
  letter-spacing: 1px;
}
.exam-timer.warning {
  background: var(--warning-light);
  border-color: #FDE68A;
  color: #B45309;
  animation: pulse 1s infinite;
}
.exam-timer.danger {
  background: var(--danger-light);
  border-color: #FECACA;
  color: var(--danger);
  animation: pulse 0.5s infinite;
}
.exam-timer-icon { font-size: 16px; }

/* Exam Body */
.exam-body {
  display: flex;
  padding-top: 60px;
  height: 100vh;
  overflow: hidden;
}

/* Sidebar Soal */
.question-nav {
  width: 220px;
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.question-nav-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.question-nav-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}

.question-nav-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  background: var(--surface);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}
.question-nav-btn:hover { background: var(--primary-50); border-color: var(--primary-200); }
.question-nav-btn.current { background: var(--primary); border-color: var(--primary); color: #fff; }
.question-nav-btn.answered { background: #DCFCE7; border-color: #86EFAC; color: #15803D; }
.question-nav-btn.unsure { background: #FEF3C7; border-color: #FDE68A; color: #B45309; }

.question-nav-legend {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 11px;
  color: var(--text-secondary);
}
.question-nav-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.question-nav-legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex-shrink: 0;
}

/* Question Content Area */
.question-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.question-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  animation: fadeInUp 0.2s ease;
}

.question-card-header {
  padding: 16px 24px;
  background: #F8FAFC;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.question-number-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-full);
  padding: 4px 14px;
  font-size: 13px;
  font-weight: 700;
}

.question-difficulty { }

.question-card-body { padding: 24px; }

.question-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-primary);
  margin-bottom: 24px;
}
.question-text img { max-width: 100%; border-radius: var(--radius); margin: 12px 0; }

/* Options */
.options-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.option-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 18px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
}
.option-item:hover { border-color: var(--primary-200); background: var(--primary-50); }
.option-item.selected { border-color: var(--primary); background: var(--primary-50); }
.option-item.selected .option-label { background: var(--primary); color: #fff; border-color: var(--primary); }
.option-item.correct { border-color: #86EFAC; background: #F0FDF4; }
.option-item.incorrect { border-color: #FECACA; background: #FEF2F2; }

.option-label {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
  transition: all 0.2s;
  color: var(--text-secondary);
}

.option-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  flex: 1;
}

/* Question Actions */
.question-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: #FAFBFC;
}

/* Auto-save indicator */
.save-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  transition: all 0.3s;
}
.save-indicator.saving { color: var(--warning); }
.save-indicator.saved { color: var(--success); }
.save-indicator.error { color: var(--danger); }
.save-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: currentColor; flex-shrink: 0;
}
.save-indicator.saving .save-dot { animation: pulse 0.8s infinite; }

/* Connection Status */
.connection-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
}
.connection-status.online { color: var(--success); }
.connection-status.offline { color: var(--danger); }

/* Submit Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

.modal {
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 480px;
  width: 90%;
  overflow: hidden;
  animation: scaleIn 0.2s ease;
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-title { font-size: 18px; font-weight: 800; color: var(--text-primary); }
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* Result Page */
.result-score-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-xl);
  margin-bottom: 24px;
}
.result-score-circle {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 8px solid;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.result-score-value { font-size: 36px; font-weight: 900; line-height: 1; }
.result-score-label { font-size: 12px; font-weight: 600; opacity: 0.7; }
.result-passed { border-color: #86EFAC; background: #F0FDF4; color: var(--success); }
.result-failed { border-color: #FECACA; background: #FEF2F2; color: var(--danger); }

.result-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
.result-stat-item {
  text-align: center;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.result-stat-value { font-size: 24px; font-weight: 800; line-height: 1; }
.result-stat-label { font-size: 12px; color: var(--text-secondary); margin-top: 4px; }

/* Review soal jawaban */
.review-question { margin-bottom: 20px; }
.review-question-header {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 12px;
}
.review-question-body { font-size: 14px; line-height: 1.7; color: var(--text-primary); }
.review-options { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }

/* ================================================
   Auth Pages
   ================================================ */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 50%, #EFF6FF 100%);
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.auth-bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.4;
  animation: pulse 4s infinite alternate;
}
.auth-bg-blob-1 {
  width: 400px; height: 400px;
  background: #BFDBFE;
  top: -100px; right: -100px;
}
.auth-bg-blob-2 {
  width: 300px; height: 300px;
  background: #DDD6FE;
  bottom: -80px; left: -80px;
  animation-delay: 2s;
}

.auth-card {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(255,255,255,0.5);
  padding: 40px;
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 1;
  animation: scaleIn 0.4s ease;
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}
.auth-logo-icon {
  width: 48px; height: 48px;
  background: var(--primary);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 22px; font-weight: 900;
}
.auth-logo-text h1 { font-size: 18px; font-weight: 800; color: var(--text-primary); }
.auth-logo-text p { font-size: 12px; color: var(--text-secondary); }

.auth-title { font-size: 22px; font-weight: 800; color: var(--text-primary); margin-bottom: 4px; }
.auth-subtitle { font-size: 14px; color: var(--text-secondary); margin-bottom: 28px; }