@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap");:root{--brand:#1f6feb}*{box-sizing:border-box}body,html{height:100%}body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Helvetica Neue,Arial,Noto Sans,Apple Color Emoji,Segoe UI Emoji}.navbar-brand b{color:var(--brand)}.card{border-radius:1rem}.kpi{min-width:180px}.kpi .lead{font-weight:700}.quiz-option{border:1px solid #e5e7eb;border-radius:.6rem;padding:.75rem 1rem}.quiz-option.correct{border-color:#28a745;background:#eaf7ee}.quiz-option.incorrect{border-color:#dc3545;background:#fdecef}