:root{--bg: #f3f4f6;--card: #ffffff;--text: #111827;--muted: #6b7280;--border: #d1d5db;--accent: #16a34a;--accent-text: #ffffff;--error: #dc2626;--check: #d1d5db;color-scheme:light dark}@media (prefers-color-scheme: dark){:root{--bg: #111111;--card: #1e1e1e;--text: #f3f4f6;--muted: #9ca3af;--border: #3f3f46;--accent: #22c55e;--accent-text: #052e16;--error: #f87171;--check: #52525b}}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.app{max-width:28rem;margin:0 auto;padding:1rem;min-height:100dvh;display:flex;flex-direction:column;gap:1rem}header{display:flex;align-items:center;justify-content:space-between}h1{font-size:1.25rem;margin:0}h2{font-size:1.1rem;margin:0 0 .75rem}.who{display:flex;align-items:center;gap:.5rem}.phone{font-variant-numeric:tabular-nums}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.25rem}footer{text-align:center;margin-top:auto}.muted{color:var(--muted)}.small{font-size:.85rem}.error{color:var(--error)}.center{text-align:center}label{display:block;font-weight:600;margin-bottom:.25rem}input[type=tel],input[type=url]{width:100%;font-size:1rem;padding:.65rem .75rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text)}.check{display:flex;align-items:center;gap:.5rem;font-weight:400;margin:.75rem 0}button{display:block;width:100%;font-size:1rem;font-weight:600;padding:.7rem 1rem;margin-top:.75rem;border:none;border-radius:8px;background:var(--accent);color:var(--accent-text);cursor:pointer}button:disabled{opacity:.6;cursor:default}button.ghost{background:transparent;color:var(--muted);border:1px solid var(--border);font-weight:400}.who button.ghost{width:auto;margin:0;padding:.3rem .7rem;font-size:.85rem}button.link{display:block;width:auto;margin:.9rem auto 0;padding:0;background:none;border:none;color:var(--muted);font-size:.85rem;font-weight:400;text-decoration:underline}.row{display:flex;gap:.75rem}.code{font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:clamp(2rem,11vw,3rem);font-weight:700;letter-spacing:.08em;margin:1rem 0 .5rem;-webkit-user-select:all;user-select:all}.instructions{text-align:left}.reconnect{display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:var(--muted);border:1px solid var(--border);border-radius:8px;padding:.35rem .6rem;margin:0 0 .75rem}.steps{list-style:none;margin:0 0 .75rem;padding:0}.steps li{display:flex;align-items:center;gap:.6rem;padding:.4rem 0}.steps .mark{width:1.4rem;text-align:center;flex-shrink:0}.steps li.done .mark{color:var(--accent)}.steps li.error .mark{color:var(--error)}.steps li.pending,.steps li.skipped{color:var(--muted)}.spinner{display:inline-block;width:1.4rem;height:1.4rem;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;vertical-align:middle}.spinner.tiny{width:.9rem;height:.9rem;border-width:2px}@keyframes spin{to{transform:rotate(360deg)}}.preview{display:flex;gap:.75rem;margin-bottom:.75rem}.preview figure{flex:1;min-width:0;margin:0;text-align:center}.preview img{width:100%;height:auto;display:block;border-radius:8px}.preview figcaption{font-size:.85rem;color:var(--muted);margin-top:.25rem}.checker{border-radius:8px;background-image:conic-gradient(var(--check) 25%,transparent 0 50%,var(--check) 0 75%,transparent 0);background-size:16px 16px}.banner{font-size:1.1rem;font-weight:600;color:var(--accent)}