.course-header{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;padding-bottom:20px;margin-bottom:28px;border-bottom:1px solid hsl(var(--border))}.course-title{font-family:var(--font-display);font-size:30px;font-weight:600;line-height:1.15;letter-spacing:-.01em;margin:0}.course-header-title p{margin:6px 0 0;color:hsl(var(--muted-foreground));font-size:15px}.course-header-controls{display:flex;align-items:flex-end;gap:16px;flex-wrap:wrap}.course-exam-switch{display:inline-flex;flex-wrap:wrap;border:1px solid hsl(var(--border));border-radius:10px;background:hsl(var(--card));padding:3px}.course-exam-switch button,.course-exam-switch a{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 16px;border-radius:7px;font-size:14px;font-weight:600;color:hsl(var(--muted-foreground))}.course-exam-switch button:hover:not([aria-pressed=true]){color:hsl(var(--foreground));background:hsl(var(--surface-hover))}.course-exam-switch button[aria-pressed=true]{background:hsl(var(--primary));color:hsl(var(--primary-foreground))}.course-exam-switch button:focus-visible,.course-exam-switch a:focus-visible,.course-scope select:focus-visible{outline:2px solid hsl(var(--ring));outline-offset:2px}.course-scope{display:flex;flex-direction:column;gap:4px;font-size:12px;color:hsl(var(--muted-foreground))}.course-scope select{height:44px;min-width:240px;border:1px solid hsl(var(--border));border-radius:10px;background:hsl(var(--card));color:hsl(var(--foreground));padding:0 12px;font-size:14px}@media(max-width:600px){.course-header{align-items:stretch}.course-header-controls,.course-exam-switch,.course-scope,.course-scope select{width:100%;min-width:0}.course-exam-switch button,.course-exam-switch a{flex:1 1 auto;min-height:44px;padding:0 8px;white-space:nowrap}.course-title{font-size:26px}}@media(max-width:380px){.course-exam-switch button,.course-exam-switch a{padding:0 6px;font-size:13px}}