.welcome-screen{text-align:center;box-sizing:border-box;flex-direction:column;justify-content:center;align-items:center;max-width:560px;min-height:100vh;margin:0 auto;padding:40px 20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;display:flex}.welcome-logo{letter-spacing:.08em;text-transform:uppercase;color:#888;margin-bottom:16px;font-size:14px;font-weight:700}.welcome-headline{letter-spacing:-.02em;color:#1a1a1a;margin:0 0 12px;font-size:40px;font-weight:800}.welcome-subtitle{color:#555;margin:0 0 32px;font-size:16px}.welcome-start-button{color:#fff;cursor:pointer;background:#1a73e8;border:none;border-radius:10px;padding:14px 40px;font-family:inherit;font-size:16px;font-weight:700}.welcome-start-button:hover{background:#1558b0}.teaser-quiz{box-sizing:border-box;max-width:560px;margin:0 auto;padding:60px 20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.teaser-progress{color:#888;margin-bottom:24px;font-size:14px;font-weight:700}.teaser-situation{color:#666;margin-bottom:8px;font-size:14px}.teaser-phrase{color:#1a1a1a;margin:0 0 28px;font-size:24px;font-weight:700}.teaser-choices{flex-direction:column;gap:12px;display:flex}.teaser-choice{text-align:left;color:#1a1a1a;cursor:pointer;background:#fff;border:1px solid #ddd;border-radius:10px;padding:14px 16px;font-family:inherit;font-size:15px}.teaser-choice:hover:not(:disabled){border-color:#1a73e8}.teaser-choice:disabled{cursor:default}.teaser-choice-correct{color:#1e7a38;background:#eafaf0;border-color:#2e9e4f}.teaser-choice-incorrect{color:#a3241a;background:#fdecea;border-color:#d93025}.teaser-feedback{border-radius:10px;margin-top:20px;padding:16px;line-height:1.5}.teaser-feedback-correct{color:#1e7a38;background:#eafaf0;border:1px solid #b7e6c4}.teaser-feedback-incorrect{color:#a3241a;background:#fdecea;border:1px solid #f3c1bd}.teaser-feedback-label{margin-bottom:6px;font-weight:700}.teaser-action-button{color:#fff;cursor:pointer;background:#1a1a1a;border:none;border-radius:10px;margin-top:16px;padding:12px 24px;font-family:inherit;font-size:15px;font-weight:700;display:block}