:root{font-family:system-ui,sans-serif;color:#eef3f8;background:#101820;color-scheme:dark}*{box-sizing:border-box}body{margin:0;min-height:100dvh;display:grid;place-items:center;padding:20px}main{width:min(100%,360px)}h1{text-align:center;font-size:1.65rem;margin:0 0 28px}form{display:grid;gap:16px}label{display:grid;gap:8px}input,button{font:inherit;border-radius:12px;border:1px solid #516273;padding:16px;min-height:58px}input{width:100%;background:#1d2a36}button{background:#263b4d;color:#fff;cursor:pointer;touch-action:manipulation}button:active{background:#3c607c}button:disabled{opacity:.55;cursor:wait}button[type=submit],#confirm{background:#176b66;border-color:#39938b}.pad{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.pad button{font-size:1.5rem;min-height:72px}output{display:block;text-align:center;letter-spacing:12px;font-size:2rem;min-height:60px;margin-bottom:20px}.actions{display:grid;gap:18px}.actions button{font-size:1.35rem;min-height:82px}#stop{background:#793a3a}#countdown{color:#b6c3ce;text-align:center;font-size:.9rem}#message{min-height:2.8em;color:#f5c797;text-align:center;line-height:1.4}[hidden]{display:none!important}:focus-visible{outline:3px solid #b9e5e1;outline-offset:3px}
.actions button{display:flex;align-items:center;justify-content:center;gap:14px}.garage-icon{width:42px;height:42px;flex:0 0 42px}.notice{margin:0 0 24px;padding:14px;border:1px solid #8f703d;border-radius:12px;color:#ffdda1;background:#30281d;font-size:.95rem;line-height:1.45}