:root{--text: #fff;--muted: rgba(255, 255, 255, .5);--accent: #7c3f1e;--accent-strong: #5a2610;--danger: #e04040;color:var(--text);font-family:Hiragino Sans,Segoe UI,sans-serif;line-height:1.4;font-weight:500}*{box-sizing:border-box;margin:0}html,body,#root{height:100%;overflow:hidden;background:#000}button,textarea,input{font:inherit;color:inherit}.viewer-shell{display:flex;flex-direction:column;height:100vh;height:100dvh;background:#000;position:relative;overflow:hidden}.viewer-loading{height:100%;background:#000}.viewer-stage{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#000}.stream-shell{width:100%;height:100%;display:flex;align-items:center;justify-content:center}.stream-frame{display:block;width:100%;height:100%;border:none;object-fit:contain}.stream-fallback{display:grid;place-items:center;width:100%;height:100%;padding:2rem;background:#0a0a0a;color:var(--muted);text-align:center;font-size:.9rem}.comment-overlay{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden}.floating-comment{position:absolute;top:0;left:var(--comment-x);width:var(--comment-width);padding:2px 8px;color:#fffffff5;font-size:1.38rem;font-weight:800;line-height:1.25;white-space:nowrap;text-shadow:2px 2px 2px rgba(0,0,0,.95),-1px -1px 1px rgba(0,0,0,.9),1px -1px 1px rgba(0,0,0,.9),-1px 1px 1px rgba(0,0,0,.9);will-change:transform,opacity;transform:translate3d(0,var(--comment-start-y),0) scale(.96);animation:comment-rise var(--comment-duration) cubic-bezier(.16,.82,.24,1) var(--comment-delay) forwards}.floating-comment[data-priority=LOW]{color:#ffffffd1;font-size:1.15rem;font-weight:700}.floating-comment[data-mode=COMPACT]{font-size:1.05rem}@keyframes comment-rise{0%{opacity:0;transform:translate3d(0,calc(var(--comment-start-y) + 12px),0) scale(.92)}8%{opacity:1;transform:translate3d(0,var(--comment-start-y),0) scale(1)}74%{opacity:1;transform:translate3d(var(--comment-drift-x),var(--comment-end-y),0) scale(1)}to{opacity:0;transform:translate3d(var(--comment-drift-x),calc(var(--comment-end-y) - 18px),0) scale(.98)}}.viewer-bar{position:absolute;bottom:0;left:0;right:0;padding:10px 12px;padding-bottom:max(10px,env(safe-area-inset-bottom));background:linear-gradient(to top,rgba(0,0,0,.7) 0%,transparent 100%);z-index:10;opacity:0;transform:translateY(8px);transition:opacity .3s ease,transform .3s ease;pointer-events:none}.viewer-bar.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}.controls-row{display:flex;align-items:center;gap:8px}.icon-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:none;border-radius:50%;background:#ffffff1f;color:#fff;font-size:1rem;cursor:pointer;padding:0;flex-shrink:0;transition:background .15s}.icon-btn:hover{background:#ffffff38}.icon-btn:active{background:#ffffff4d}.open-input-btn{flex:1;min-width:0;padding:10px 16px;border:1px solid rgba(255,255,255,.12);border-radius:999px;background:#ffffff14;color:var(--muted);text-align:left;font-size:.88rem;cursor:pointer;transition:background .15s}.open-input-btn:hover:not(:disabled){background:#ffffff24}.open-input-btn:disabled{opacity:.3;cursor:not-allowed}.input-row{display:flex;gap:6px;align-items:center}.comment-input{flex:1;min-width:0;padding:10px 16px;border:1px solid rgba(255,255,255,.18);border-radius:999px;background:#00000080;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:#fff;font-size:.88rem;outline:none;transition:border-color .15s}.comment-input:focus{border-color:#ffffff59}.comment-input::placeholder{color:#ffffff4d}.comment-input:disabled{opacity:.35}.send-btn{flex-shrink:0;padding:0 16px;height:40px;border:none;border-radius:999px;background:#ffffff26;color:#fff;font-size:.85rem;font-weight:700;cursor:pointer;transition:background .15s}.send-btn:hover:not(:disabled){background:#ffffff40}.send-btn:disabled{opacity:.3;cursor:not-allowed}.input-error{margin-top:6px;font-size:.78rem;color:#f08080;padding-left:16px}.input-hint{margin-top:6px;font-size:.78rem;color:#ffffff9e;padding-left:16px}.page{width:min(1280px,calc(100% - 2rem));margin:0 auto}.shell{padding:2rem 0 4rem}.hero-card{display:grid;gap:1.5rem;padding:2rem;border-radius:24px;background:#111;max-width:760px;margin:10vh auto 0}.eyebrow{margin:0 0 .75rem;text-transform:uppercase;letter-spacing:.16em;font-size:.78rem;color:var(--muted)}h1,h2{margin:0;font-weight:700}h1{font-size:clamp(1.6rem,4vw,3rem);line-height:1.1}.hero-copy,.muted{color:var(--muted)}.button-link{display:inline-flex;align-items:center;justify-content:center;width:fit-content;padding:.85rem 1.35rem;border-radius:999px;background:linear-gradient(135deg,var(--accent),var(--accent-strong));color:#fff;text-decoration:none}code{font-family:Cascadia Code,Consolas,monospace;background:#ffffff1a;padding:2px 6px;border-radius:4px}