*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0d1117;--bg2: #161b22;--bg3: #1c2128;--bg4: #21262d;--border: #30363d;--text: #e6edf3;--text2: #8b949e;--primary: #238636;--primary-h: #2ea043;--accent: #388bfd;--danger: #da3633;--radius: 8px;font-size:15px}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;min-height:100dvh;display:flex;flex-direction:column}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}header{background:var(--bg2);border-bottom:1px solid var(--border);padding:0 20px;height:52px;display:flex;align-items:center;flex-shrink:0;position:sticky;top:0;z-index:10}.header-inner{width:100%;max-width:900px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:12px}.logo{font-weight:700;font-size:1.1rem;color:var(--text);letter-spacing:-.01em}main{flex:1;width:100%;max-width:900px;margin:0 auto;padding:24px 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strong{color:var(--text)}#chat-messages{display:flex;flex-direction:column;gap:14px}.msg-wrap{display:flex;gap:12px;align-items:flex-start}.msg-avatar{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;color:#fff;flex-shrink:0;margin-top:2px}.msg-body{flex:1;min-width:0}.msg-meta{display:flex;align-items:baseline;gap:8px;margin-bottom:5px}.msg-name{font-weight:600;font-size:.9rem}.msg-model{font-size:.75rem;color:var(--text2);font-family:monospace}.msg-turn{font-size:.75rem;color:var(--text2);margin-left:auto}.msg-content{background:var(--bg2);border:1px solid var(--border);border-radius:0 var(--radius) var(--radius) var(--radius);padding:12px 16px;line-height:1.6;font-size:.9rem;word-break:break-word}.msg-content.streaming:after{content:"▌";display:inline-block;animation:blink .9s step-end infinite;color:var(--accent);margin-left:2px}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.msg-content 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