body{color:#fff;background-color:#1e1e1e;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6}.container{max-width:600px;margin:0 auto;padding:20px}.verify-btn{color:#fff;cursor:pointer;text-align:center;-webkit-user-select:none;user-select:none;background:#40a7e3;border:none;border-radius:8px;width:100%;margin-top:20px;padding:14px;font-size:16px;font-weight:600;transition:all .25s cubic-bezier(.4,0,.2,1);display:block;box-shadow:0 4px 6px rgba(0,0,0,.1),0 1px 3px rgba(0,0,0,.08)}.verify-btn:hover{background:#3598d6;transform:translateY(-2px);box-shadow:0 7px 14px rgba(0,0,0,.12),0 3px 6px rgba(0,0,0,.08)}.verify-btn:active{background:#2d82b7;transform:translateY(1px);box-shadow:0 2px 4px rgba(0,0,0,.1)}.quiz-view{opacity:1;transition:all .4s cubic-bezier(.4,0,.2,1);transform:translateY(0)}.quiz-view.transitioning{opacity:0;transform:translateY(15px)}.message-incorrect{color:#ff6b6b;background:rgba(255,107,107,.1);border-radius:6px;margin-top:15px;padding:10px;font-weight:600}.message-success{color:#51cf66;background:rgba(81,207,102,.1);border-radius:6px;margin-top:15px;padding:10px;font-weight:600}.message-info{color:#4dabf7;background:rgba(77,171,247,.1);border-radius:6px;margin-top:15px;padding:10px;font-weight:600}