:root{--font:"Segoe UI",system-ui,-apple-system,BlinkMacSystemFont,sans-serif;--panel-bg:rgba(18,14,28,0.55);--panel-border:rgba(255,255,255,0.55);--bubble-bg:rgba(236,236,240,0.92);--bubble-user:rgba(255,255,255,0.88);--text:#1a1520;--input-bg:#ececf0;--radius:10px}*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0;height:100%;overflow:hidden}body{font-family:var(--font);color:var(--text);background:#1a0f2e;line-height:1.45;min-height:100vh;min-height:100dvh}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.stage{position:relative;width:100%;height:100vh;height:100dvh;overflow:hidden;display:flex;align-items:flex-end;justify-content:center;padding:0 1rem 1.5rem}.bg-layer{position:absolute;inset:0;z-index:0;background:#1a0f2e}.bg-fallback,.bg-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}.bg-fallback{z-index:0}.bg-video{z-index:1}.bg-video--mobile{display:none}.chat-panel{position:relative;z-index:2;width:min(720px,100%);max-height:min(42vh,360px);display:flex;flex-direction:column;gap:.65rem;padding:.75rem;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:var(--radius);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:0 8px 32px rgba(0,0,0,.35)}.chat-body{display:flex;gap:.75rem;align-items:stretch;min-height:0;flex:1 1;overflow:hidden}.icon-slot{position:relative;flex:0 0 auto;width:112px;height:112px;border-radius:6px;overflow:hidden;background:rgba(0,0,0,.25);align-self:flex-start}.icon-fallback,.icon-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.icon-fallback{z-index:0}.icon-video{z-index:1}.chat-thread{flex:1 1;min-width:0;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:.55rem;padding-right:.15rem;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.35) transparent}.bubble{background:var(--bubble-bg);border-radius:8px;padding:.7rem .85rem;font-size:.88rem;color:var(--text);white-space:pre-wrap;word-break:break-word;max-width:100%}.bubble p{margin:0}.bubble--user{background:var(--bubble-user);align-self:flex-end;max-width:92%}.bubble--au{align-self:flex-start}.bubble--streaming:after{content:"▍";animation:blink 1s steps(1) infinite;color:#5b2a8a}@keyframes blink{50%{opacity:0}}.composer{display:flex;align-items:stretch;gap:0;background:var(--input-bg);border-radius:6px;overflow:hidden;flex-shrink:0}.composer input{flex:1 1;font:inherit;font-size:.95rem;padding:.65rem .85rem;border:none;background:transparent;color:var(--text);outline:none;min-width:0}.composer input:disabled{opacity:.6}.send-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:transparent;padding:0 .85rem;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:opacity .15s ease}.send-btn:disabled{opacity:.35;cursor:not-allowed}.send-btn:hover:not(:disabled){opacity:.8}.send-triangle{display:block;width:0;height:0;border-color:transparent transparent transparent #111;border-style:solid;border-width:7px 0 7px 12px}@media (max-width:700px){.bg-video--desktop{display:none}.bg-video--mobile{display:block}.stage{padding:0 .75rem 1rem}.chat-panel{max-height:min(38vh,380px)}.icon-slot{width:88px;height:88px}.bubble{font-size:.82rem}}@media (max-width:420px){.icon-slot{width:72px;height:72px}.chat-body{gap:.5rem}}@media (prefers-reduced-motion:reduce){.bg-video,.icon-video{display:none!important}.bg-fallback,.icon-fallback{z-index:1}.bubble--streaming:after{animation:none}}