/* Placement Test System */
.placement-overlay {
  position: fixed;
  inset: 0;
  z-index: 2500;
  background: rgba(10, 37, 64, 0.75);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  backdrop-filter: blur(4px);
}
.placement-overlay.open { display: flex; }

.placement-panel {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  width: min(920px, 100%);
  max-height: 94vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  animation: fadeUp 0.35s ease;
}

.placement-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, var(--blue-900), var(--blue-700));
  color: #fff;
}
.placement-header h2 {
  color: #fff;
  font-size: 1.15rem;
  margin: 0;
}
.placement-close {
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 1.3rem;
  cursor: pointer;
  flex-shrink: 0;
}
.placement-close:hover { background: rgba(255, 255, 255, 0.25); }

.placement-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
}

.placement-lang-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}
.placement-lang-btn {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.1rem 1.25rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.placement-lang-btn:hover {
  border-color: var(--blue-600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.placement-lang-btn .flag { font-size: 1.75rem; }

.placement-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: center;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.placement-timer {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  background: var(--gold-100);
  color: var(--gold-600);
  border-radius: 999px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.placement-timer.warning { background: #fef2f2; color: #dc2626; }

.placement-progress-wrap { margin-bottom: 1.25rem; }
.placement-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-muted);
}
.placement-progress-bar {
  height: 8px;
  background: var(--gray-200);
  border-radius: 999px;
  overflow: hidden;
}
.placement-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue-600), var(--gold-500));
  border-radius: 999px;
  transition: width 0.4s ease;
}

.placement-nav-dots {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
  max-height: 72px;
  overflow-y: auto;
}
.placement-dot {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border);
  border-radius: 6px;
  background: var(--card-bg);
  font-size: 0.7rem;
  font-weight: 700;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.2s;
}
.placement-dot.active {
  border-color: var(--blue-600);
  background: var(--blue-600);
  color: #fff;
}
.placement-dot.answered {
  border-color: var(--gold-500);
  background: var(--gold-100);
  color: var(--gold-600);
}

.placement-question-card {
  background: var(--gray-50);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}
[data-theme="dark"] .placement-question-card { background: var(--gray-100); }

.placement-type-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--blue-600);
  margin-bottom: 0.5rem;
}
.placement-passage {
  padding: 0.85rem 1rem;
  background: var(--card-bg);
  border-left: 3px solid var(--gold-500);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 1rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-muted);
}
.placement-question-text {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.placement-options {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.placement-option {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.placement-option:hover { border-color: var(--blue-500); }
.placement-option.selected {
  border-color: var(--blue-600);
  background: var(--blue-100);
}
.placement-option input { margin-top: 0.2rem; accent-color: var(--blue-600); }
.placement-option label { cursor: pointer; flex: 1; line-height: 1.45; }

.placement-actions {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding-top: 0.5rem;
}

.placement-result-hero {
  text-align: center;
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--blue-100), var(--gold-100));
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}
.placement-level-badge {
  display: inline-block;
  font-size: 2.5rem;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--blue-700);
  margin: 0.5rem 0;
}
.placement-score-ring {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gold-600);
}

.placement-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.placement-result-box {
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.placement-result-box h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}
.placement-result-box.strengths { border-left: 4px solid #22c55e; }
.placement-result-box.weaknesses { border-left: 4px solid #ef4444; }
.placement-result-box ul { padding-left: 1.1rem; }
.placement-result-box li { margin-bottom: 0.35rem; font-size: 0.95rem; }

.placement-courses { display: flex; flex-direction: column; gap: 0.75rem; }
.placement-course-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.15rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  flex-wrap: wrap;
}
.placement-course-card strong { display: block; margin-bottom: 0.2rem; }
.placement-course-card .price {
  font-weight: 800;
  color: var(--blue-600);
  white-space: nowrap;
}

.placement-contact-form .form-group { margin-bottom: 1rem; }
.placement-error {
  color: #dc2626;
  font-size: 0.9rem;
  margin-top: 0.5rem;
  padding: 0.65rem 0.85rem;
  background: #fef2f2;
  border-radius: var(--radius);
}
.placement-loading {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .placement-lang-grid { grid-template-columns: 1fr; }
  .placement-result-grid { grid-template-columns: 1fr; }
  .placement-header { padding: 1rem; }
  .placement-body { padding: 1rem; }
  .placement-actions .btn { flex: 1; min-width: 120px; }
  .placement-course-card { flex-direction: column; align-items: flex-start; }
}