:root{--bg: #f8fafc;--text: #0f172a;--border: #e2e8f0;--accent: #2563eb;font-family:system-ui,sans-serif;line-height:1.5;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;padding:1rem;padding-bottom:max(1rem,env(safe-area-inset-bottom,0px));padding-left:max(1rem,env(safe-area-inset-left,0px));padding-right:max(1rem,env(safe-area-inset-right,0px))}input,textarea{font:inherit;color:var(--text);width:100%;padding:.5rem .65rem;border:1px solid var(--border);border-radius:8px;background:#fff}button{font:inherit;cursor:pointer;min-height:44px;padding:.55rem 1rem;border-radius:8px;border:none;background:var(--accent);color:#fff;text-decoration:none}button:disabled{opacity:.65;cursor:not-allowed}.embed-register-submit{display:inline-flex;width:100%;align-items:center;justify-content:center;gap:.5rem}@keyframes embed-btn-spin{to{transform:rotate(360deg)}}.embed-btn-spinner{display:inline-block;width:1.1em;height:1.1em;flex-shrink:0;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:embed-btn-spin .65s linear infinite}.btn-secondary{background:#64748b}.stack{display:flex;flex-direction:column;gap:.75rem}.label{font-size:.85rem;font-weight:600}.error{color:#b91c1c;font-size:.9rem}.ok{color:#15803d}.card{max-width:420px;margin:0 auto;background:#fff;border:1px solid var(--border);border-radius:12px;padding:1.25rem}.card--extended{max-width:min(100%,960px)}.embed-extended-layout{display:grid;grid-template-columns:2fr 1fr;gap:1.5rem;align-items:start}.embed-extended-aside{min-width:0}@media(max-width:640px){.embed-extended-layout{grid-template-columns:1fr}}.embed-thumb{width:100%;max-height:220px;object-fit:cover;border-radius:8px;display:block}.embed-start-local{margin:0 0 .35rem;font-size:.9rem;line-height:1.4;color:#64748b}.embed-countdown{margin:0;font-size:1.05rem;font-weight:600;color:var(--accent)}.embed-description-html{margin:0;font-size:.95rem;line-height:1.55;word-wrap:break-word;overflow-wrap:anywhere}.embed-description-html p{margin:.5rem 0}.embed-description-html p:first-child{margin-top:0}.embed-description-html p:last-child{margin-bottom:0}.embed-description-html img{max-width:100%;height:auto;display:block;border-radius:6px;margin:.65rem 0}.embed-description-html ul,.embed-description-html ol{margin:.5rem 0;padding-left:1.25rem}.embed-description-html h1,.embed-description-html h2,.embed-description-html h3{margin:.75rem 0 .4rem;font-size:1.05rem;line-height:1.3}.embed-description-html a{color:var(--accent)}