:root{color:#0f172a;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:radial-gradient(circle at 15% 10%,#dbeafe 0%,#ecfeff 35%,#f0fdf4 70%,#fff 100%);font-family:Manrope,Avenir Next,Segoe UI,Helvetica Neue,Arial,sans-serif;font-weight:400;line-height:1.5}body{min-width:320px;margin:0}:root{--surface:#fff;--surface-border:#d7e4f5;--text-main:#0f172a;--text-muted:#4f5f78;--blue-accent:#1d4ed8;--green-accent:#16a34a;--shadow:0 22px 40px #0f172a1f}*{box-sizing:border-box}.app-shell{place-items:center;min-height:100vh;padding:2rem 1rem;display:grid}.smoke-card{background:var(--surface);border:1px solid var(--surface-border);width:min(680px,100%);box-shadow:var(--shadow);text-align:center;border-radius:20px;flex-direction:column;gap:1.25rem;padding:2rem;display:flex}.smoke-header{flex-direction:column;align-items:center;gap:.75rem;display:flex}.badge{color:var(--blue-accent);letter-spacing:.04em;text-transform:uppercase;background:#1d4ed81f;border:1px solid #1d4ed838;border-radius:999px;margin:0;padding:.35rem .8rem;font-size:.78rem;font-weight:700}h1{color:var(--text-main);letter-spacing:-.02em;margin:0;font-size:clamp(1.9rem,4.5vw,2.5rem)}.message{color:var(--text-muted);margin:0;font-size:1.05rem}.datetime{background:linear-gradient(120deg,#1d4ed814,#16a34a14);border:1px solid #1d4ed833;border-radius:14px;width:100%;margin:0 auto;padding:1rem 1.1rem}.datetime-label{color:#1e3a8a;letter-spacing:.03em;text-transform:uppercase;margin:0 0 .35rem;font-size:.85rem;font-weight:700}.datetime time{color:var(--text-main);font-size:clamp(.98rem,2.6vw,1.1rem);font-weight:600}.action-button{background:linear-gradient(120deg, var(--blue-accent), #2563eb);color:#fff;cursor:pointer;border:0;border-radius:12px;padding:.85rem 1.2rem;font-size:1rem;font-weight:700;line-height:1;transition:transform .12s,box-shadow .12s}.action-button:hover{transform:translateY(-1px);box-shadow:0 10px 18px #1d4ed847}.action-button:active{transform:translateY(0)}.action-button:focus-visible{outline-offset:2px;outline:3px solid #2563eb59}.smoke-footer{color:var(--green-accent);border-top:1px solid #e6edf8;margin-top:.15rem;padding-top:1rem;font-weight:700}@media (width<=640px){.smoke-card{border-radius:16px;gap:1rem;padding:1.35rem 1rem}.badge{font-size:.72rem}}