*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #fdf6f0;--surface: #ffffff;--accent: #e85d75;--accent-dark: #c0475f;--text: #1a1a1a;--muted: #6b6b6b;--radius: 16px;--font: "Georgia", "Times New Roman", serif}html,body{height:100%;width:100%;background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;overflow:hidden}#root{height:100%;width:100%}.screen{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:max(env(safe-area-inset-top),24px) 28px max(env(safe-area-inset-bottom),32px);text-align:center;gap:24px}.screen__title{font-size:clamp(1.6rem,6vw,2.4rem);font-weight:700;line-height:1.2}.screen__subtitle{font-size:clamp(.95rem,4vw,1.2rem);color:var(--muted);line-height:1.5;max-width:340px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:16px 36px;border:none;border-radius:50px;font-size:1.1rem;font-family:var(--font);font-weight:700;cursor:pointer;transition:transform 80ms ease,box-shadow 80ms ease;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}.btn:active{transform:scale(.96)}.btn--primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px #e85d7573}.btn--primary:hover{background:var(--accent-dark)}.btn--secondary{background:var(--surface);color:var(--text);border:2px solid #e0e0e0}.btn-row{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}.input{width:100%;max-width:320px;padding:14px 18px;border:2px solid #e0e0e0;border-radius:var(--radius);font-size:1.05rem;font-family:monospace;outline:none;transition:border-color .12s;background:var(--surface);text-align:center;letter-spacing:.08em}.input:focus{border-color:var(--accent)}.input--error{border-color:#e85d75;animation:shake .35s ease}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-8px)}60%{transform:translate(8px)}80%{transform:translate(-4px)}}.error-msg{color:var(--accent);font-size:.88rem}