*{box-sizing:border-box;margin:0;padding:0}#app{background:var(--color-background-tertiary);justify-content:center;align-items:center;min-height:100vh;padding:1rem;display:flex}.wrap{flex-direction:column;gap:12px;width:100%;max-width:480px;display:flex}#tosend{resize:none;border-radius:var(--border-radius-lg);border:1px solid var(--color-border-secondary);background:var(--color-background-primary);width:100%;min-height:260px;color:var(--color-text-primary);font-size:16px;line-height:1.6;font-family:var(--font-sans);outline:none;padding:.875rem 1rem;transition:border-color .15s,box-shadow .15s}#tosend:focus{border-color:var(--color-border-primary);box-shadow:0 0 0 3px #8080801a}#tosend::placeholder{color:#a0a0a0}#submit{width:100%;min-height:52px;font-size:24px;font-weight:900;font-family:var(--font-sans);cursor:pointer;-webkit-tap-highlight-color:transparent;color:#fff;background:#c0392b;border:2px solid #c0392b;border-radius:999px;justify-content:center;align-items:center;gap:8px;transition:opacity .15s,transform .1s,background .15s;display:flex}#submit:disabled{color:#a0a0a0;cursor:not-allowed;background:#e0e0e0;border:2px solid #e0e0e0}#submit:not(:disabled):hover{background:#a93226;border-color:#a93226}#submit:not(:disabled):active{background:#922b21;border-color:#922b21;transform:scale(.98)}#alert{display:none}#qrcode:empty~#alert{display:block}#warning{display:none}#received:not(:empty)~#warning{display:block}