html,body{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}.App{text-align:center}.App-header{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem 1rem}.panel{width:min(560px,calc(100vw - 2rem));background:#ffffffeb;color:#111;border-radius:16px;padding:1.25rem 1.25rem 1rem;box-shadow:0 12px 30px #00000040,0 2px 8px #0000001f;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.controls{display:grid;gap:.9rem;margin:.5rem 0 1rem}.row{display:grid;grid-template-columns:1fr;gap:.35rem;text-align:left}.row>span{font-size:.95rem;font-weight:600;color:#111c}.stepper{display:grid;grid-template-columns:auto 1fr auto;gap:.5rem;align-items:center}.stepper input[type=number]{width:100%;min-width:0;text-align:center;font-size:1rem;padding:.5rem .6rem;border-radius:10px;border:1px solid rgba(17,17,17,.18);background:#fff;color:inherit}.stepper button{padding:.5rem .85rem;font-size:1rem;border-radius:10px;border:1px solid rgba(17,17,17,.18);background:#00000005;color:inherit;cursor:pointer}.stepper button:hover{background:#0000000f}.actions{display:flex;justify-content:center;margin:.25rem 0 .5rem}.primary{padding:.65rem 1.1rem;font-size:1.05rem;font-weight:700;border-radius:12px;border:1px solid rgba(17,17,17,.18);background:#111;color:#fff;cursor:pointer}.primary:hover{filter:brightness(1.08)}.primary:active{transform:translateY(1px)}.timer{font-size:4.5rem;line-height:1;margin:.25rem 0 .5rem}.muted{margin:.25rem 0;color:#111111b3}