:root{--bg: #0d0f14;--surface: rgba(255,255,255,.03);--border: rgba(255,255,255,.08);--accent: #0ea5e9;--accent-glow: rgba(14,165,233,.4);--accent2: #6366f1;--text: #e2e8f0;--muted: #94a3b8}*{box-sizing:border-box;margin:0;padding:0}html{background:var(--bg);color:var(--text);font-family:Inter,system-ui,sans-serif;line-height:1.6;height:100%}body{min-height:100vh;display:flex;flex-direction:column}.orbs{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}.orb{position:absolute;border-radius:50%;filter:blur(60px);opacity:.15;will-change:transform;transform:translateZ(0)}.orb-1{width:500px;height:500px;background:radial-gradient(circle,#0ea5e9,transparent 70%);top:-120px;right:-80px;animation:drift 18s ease-in-out infinite alternate}.orb-2{width:400px;height:400px;background:radial-gradient(circle,#6366f1,transparent 70%);bottom:-80px;left:-60px;animation:drift 22s ease-in-out infinite alternate-reverse}@keyframes 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var(--border);border-radius:1rem;overflow:hidden;min-height:200px}#chat{display:flex;flex-direction:column;gap:.75rem;padding:1.25rem;max-height:420px;overflow-y:auto}#chat::-webkit-scrollbar{width:4px}#chat::-webkit-scrollbar-track{background:transparent}#chat::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:2px}.bubble{padding:.75rem 1rem;border-radius:12px;max-width:82%;font-size:.93rem;line-height:1.55}.bubble.user{background:var(--accent);color:#fff;align-self:flex-end;border-bottom-right-radius:3px}.bubble.user:before{content:"You";font-weight:700;font-size:.72rem;display:block;margin-bottom:.2rem;opacity:.75}.bubble.assistant{background:#ffffff12;border:1px solid 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