* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f5f7fb;
  color: #111827;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
}

.tk-instructor-layout {
  display: flex;
  min-height: 100vh;
  background: #f5f7fb;
}

.tk-instructor-main {
  flex: 1;
  min-width: 0;
  padding: 32px;
}

.tk-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.tk-section-header h2 {
  font-size: 24px;
  font-weight: 800;
  color: #111827;
}

.tk-section-header a {
  font-size: 14px;
  font-weight: 700;
  color: #2563eb;
}