.roadmap-container {
  font-family: 'Noto Sans KR', sans-serif;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 10px;
}
.track-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  margin-bottom: 30px;
  overflow: hidden;
}
.track-header {
  padding: 16px 24px;
  color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.track-title { font-size: 1.25rem; font-weight: 700; margin: 0; }
.track-badge {
  background: rgba(255, 255, 255, 0.2);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
}
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  padding: 20px;
  background: #f9fafb;
}
.grade-box {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 16px;
}
.grade-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #334155;
  border-bottom: 2px solid #cbd5e1;
  padding-bottom: 6px;
  margin-bottom: 10px;
}
.semester-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: #64748b;
  margin-top: 10px;
  margin-bottom: 6px;
}
.course-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.course-list li {
  font-size: 0.875rem;
  color: #1e293b;
  padding: 3px 0;
  display: flex;
  align-items: center;
}
.course-list li::before {
  content: "•";
  color: #94a3b8;
  font-weight: bold;
  display: inline-block;
  width: 1em;
}

.bg-blue { background-color: #2563eb; }
.bg-green { background-color: #0d9488; }
.bg-orange { background-color: #ea580c; }
.bg-indigo { background-color: #4f46e5; }