@import "https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Syne:wght@400;600;700;800&display=swap";:root{--bg:#0a0a0f;--surface:#111118;--surface2:#1a1a24;--border:#2a2a3a;--text:#e8e8f0;--text-muted:#6b6b80;--openai:#10b981;--openai-dim:#10b98120;--claude:#f97316;--claude-dim:#f9731620;--accent:#6366f1;--error:#ef4444;--radius:10px;--font-ui:"Syne", sans-serif;--font-mono:"JetBrains Mono", monospace}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-ui);background:var(--bg);color:var(--text);height:100vh;overflow:hidden}.app-header{border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0}.header-inner{justify-content:space-between;align-items:center;height:56px;padding:0 24px;display:flex}.logo{opacity:.95;filter:invert();flex-shrink:0;align-items:center;text-decoration:none;transition:opacity .15s;display:flex}.logo:hover{opacity:1}.logo-img{filter:invert();width:auto;height:70px;display:block}.tab-nav{gap:4px;display:flex}.tab-btn{color:var(--text-muted);font-family:var(--font-ui);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;align-items:center;gap:6px;padding:8px 18px;font-size:14px;font-weight:600;transition:all .15s;display:flex}.tab-btn:hover{color:var(--text);background:var(--surface2)}.tab-btn.active{background:var(--surface2);border-color:var(--border);color:var(--text)}.tab-icon{font-size:12px}.tab-icon-svg{flex-shrink:0}.tab-btn.openai-active{border-color:var(--openai);color:var(--openai);background:var(--openai-dim)}.tab-btn.claude-active{border-color:var(--claude);color:var(--claude);background:var(--claude-dim)}.header-right{align-items:center;display:flex}.header-badge{letter-spacing:.5px;color:var(--text-muted);border:1px solid var(--border);background:var(--surface2);border-radius:20px;align-items:center;gap:6px;padding:5px 10px;font-size:11px;font-weight:600;display:flex}.badge-dot{background:var(--openai);width:6px;height:6px;box-shadow:0 0 6px var(--openai);border-radius:50%;animation:2s infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.app-main{flex:1;overflow:hidden}.page-layout{height:100%;display:flex}.sidebar{border-right:1px solid var(--border);background:var(--surface);flex-direction:column;flex-shrink:0;gap:0;width:260px;padding:20px 16px;display:flex;overflow-y:auto}.sidebar-section{margin-bottom:24px}.sidebar-label{letter-spacing:1px;text-transform:uppercase;color:var(--text-muted);margin-bottom:8px;font-size:11px;font-weight:700;display:block}.sidebar-footer{margin-top:auto;padding-top:16px}.api-key-wrap{flex-direction:column;gap:6px;display:flex}.api-key-row{gap:6px;display:flex}.api-key-input{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:var(--font-mono);outline:none;flex:1;padding:8px 10px;font-size:11px;transition:border-color .15s}.api-key-input:focus{border-color:var(--accent)}.api-key-input::placeholder{color:var(--text-muted)}.icon-btn{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;padding:0 8px;font-size:14px;transition:background .15s}.icon-btn:hover{background:var(--border)}.clear-key-btn{color:var(--error);cursor:pointer;text-align:left;font-size:11px;font-family:var(--font-ui);background:0 0;border:none;padding:0}.key-note{color:var(--text-muted);font-size:10px;line-height:1.4}.model-selector{flex-direction:column;gap:4px;display:flex}.model-option{background:var(--surface2);border:1px solid var(--border);cursor:pointer;text-align:left;font-family:var(--font-ui);border-radius:8px;justify-content:space-between;align-items:center;padding:8px 12px;transition:all .15s;display:flex}.model-option:hover{border-color:var(--accent)}.model-option.selected{border-color:var(--accent);background:#6366f115}.model-name{color:var(--text);font-size:13px;font-weight:600}.model-tag{letter-spacing:.5px;color:var(--text-muted);background:var(--border);border-radius:4px;padding:2px 6px;font-size:10px;font-weight:700}.session-info{margin-bottom:8px}.msg-count{color:var(--text-muted);font-size:11px;font-family:var(--font-mono)}.clear-btn{width:100%;color:var(--error);font-family:var(--font-ui);cursor:pointer;background:#ef444415;border:1px solid #ef444430;border-radius:8px;padding:8px;font-size:13px;font-weight:600;transition:all .15s}.clear-btn:hover{background:#ef444425}.proxy-notice{color:var(--text-muted);background:#f9731615;border:1px solid #f9731630;border-radius:8px;margin-bottom:16px;padding:12px;font-size:11px;line-height:1.5}.proxy-notice strong{color:var(--claude);margin-bottom:4px;display:block}.proxy-notice code{font-family:var(--font-mono);background:var(--surface2);color:var(--text);border-radius:3px;padding:1px 4px}.provider-badge{text-align:center;letter-spacing:1px;text-transform:uppercase;border-radius:6px;padding:6px;font-size:11px;font-weight:700}.openai-badge{background:var(--openai-dim);color:var(--openai)}.claude-badge{background:var(--claude-dim);color:var(--claude)}.chat-area{flex-direction:column;flex:1;display:flex;overflow:hidden}.chat-window{flex-direction:column;flex:1;gap:16px;padding:24px 28px;display:flex;overflow-y:auto}.chat-window::-webkit-scrollbar{width:6px}.chat-window::-webkit-scrollbar-track{background:0 0}.chat-window::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.empty-state{text-align:center;color:var(--text-muted);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:10px;padding:60px;display:flex}.empty-icon{opacity:.3;font-size:40px}.empty-title{color:var(--text-muted);font-size:16px;font-weight:600}.empty-sub{max-width:320px;font-size:13px;line-height:1.6}.bubble-row{display:flex}.user-row{justify-content:flex-end}.assistant-row{justify-content:flex-start}.bubble{border-radius:12px;max-width:75%;padding:12px 16px;line-height:1.6}.user-bubble{background:var(--surface2);border:1px solid var(--border);border-bottom-right-radius:3px}.assistant-bubble{border-bottom-left-radius:3px}.openai-bubble{background:var(--openai-dim);border:1px solid #10b98130}.claude-bubble{background:var(--claude-dim);border:1px solid #f9731630}.bubble-text{white-space:pre-wrap;word-break:break-word;font-size:14px}.bubble-attachments{border-bottom:1px solid #ffffff0f;flex-wrap:wrap;gap:6px;margin-bottom:10px;padding-bottom:10px;display:flex}.bubble-attachment-pill{color:var(--text-muted);background:#ffffff0d;border:1px solid #ffffff14;border-radius:6px;align-items:center;gap:5px;max-width:200px;padding:4px 8px;font-size:11px;display:inline-flex}.pill-name{font-family:var(--font-mono);white-space:nowrap;text-overflow:ellipsis;color:var(--text);font-size:10px;overflow:hidden}.pill-size{color:var(--text-muted);flex-shrink:0;font-size:10px}.code-block{border:1px solid var(--border);background:#0d0d14;border-radius:8px;margin:10px 0;overflow:hidden}.code-header{background:var(--surface2);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:6px 12px;display:flex}.code-lang{font-family:var(--font-mono);color:var(--text-muted);font-size:11px;font-weight:500}.copy-btn{color:var(--text-muted);cursor:pointer;font-size:11px;font-family:var(--font-ui);background:0 0;border:none;border-radius:4px;padding:2px 6px;font-weight:600;transition:color .15s}.copy-btn:hover{color:var(--text);background:var(--border)}.code-pre{font-family:var(--font-mono);padding:14px;font-size:13px;line-height:1.6;overflow-x:auto}.thinking-row{gap:5px;padding:12px 4px;display:flex}.thinking-dot{background:var(--text-muted);border-radius:50%;width:7px;height:7px;animation:1.2s infinite bounce}.thinking-dot:nth-child(2){animation-delay:.2s}.thinking-dot:nth-child(3){animation-delay:.4s}@keyframes bounce{0%,80%,to{opacity:.4;transform:translateY(0)}40%{opacity:1;transform:translateY(-6px)}}.error-bubble{color:var(--error);background:#ef444415;border:1px solid #ef444430;border-radius:8px;padding:10px 14px;font-size:13px}.file-attachments-bar{border-top:1px solid var(--border);background:var(--surface);flex-shrink:0;padding:10px 24px;animation:.15s slideUp}@keyframes slideUp{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.file-attachments-inner{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.attachments-label{letter-spacing:.5px;text-transform:uppercase;color:var(--text-muted);white-space:nowrap;flex-shrink:0;align-items:center;gap:5px;font-size:11px;font-weight:700;display:flex}.file-chips{flex-wrap:wrap;flex:1;gap:6px;display:flex}.file-chip{border:1px solid var(--border);background:var(--surface2);border-radius:8px;align-items:center;gap:7px;max-width:200px;padding:5px 8px 5px 6px;font-size:12px;transition:border-color .15s;animation:.12s chipIn;display:flex;position:relative}@keyframes chipIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.file-chip-openai{border-color:#10b98125}.file-chip-openai:hover{border-color:#10b98160}.file-chip-claude{border-color:#f9731625}.file-chip-claude:hover{border-color:#f9731660}.chip-thumb{background:var(--border);border-radius:4px;flex-shrink:0;width:32px;height:32px;overflow:hidden}.chip-thumb img{object-fit:cover;width:100%;height:100%}.chip-icon{background:var(--border);width:32px;height:32px;color:var(--text-muted);border-radius:4px;flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;gap:2px;display:flex}.chip-ext{font-size:8px;font-family:var(--font-mono);letter-spacing:.3px;text-transform:uppercase;color:var(--text-muted);font-weight:700}.chip-info{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex;overflow:hidden}.chip-name{color:var(--text);font-size:11px;font-weight:600;font-family:var(--font-mono);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.chip-size{color:var(--text-muted);font-size:10px;font-family:var(--font-mono)}.chip-remove{cursor:pointer;color:var(--text-muted);opacity:.6;background:0 0;border:none;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;margin-left:2px;padding:3px;transition:all .1s;display:flex}.chip-remove:hover{color:var(--error);opacity:1;background:#ef444420}.input-row{border-top:1px solid var(--border);background:var(--surface);flex-shrink:0;align-items:flex-end;gap:8px;padding:16px 24px;display:flex}.attach-btn{border-radius:var(--radius);background:var(--surface2);border:1px solid var(--border);width:40px;height:40px;color:var(--text-muted);cursor:pointer;flex-shrink:0;justify-content:center;align-self:flex-end;align-items:center;transition:all .15s;display:flex;position:relative}.attach-btn:hover:not(:disabled){color:var(--text);border-color:var(--accent);background:#6366f110}.attach-btn:disabled{opacity:.35;cursor:not-allowed}.attach-count{background:var(--accent);color:#fff;font-size:9px;font-weight:800;font-family:var(--font-ui);border:1.5px solid var(--surface);border-radius:8px;justify-content:center;align-items:center;min-width:16px;height:16px;padding:0 3px;line-height:1;display:flex;position:absolute;top:-6px;right:-6px}.chat-input{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:var(--font-mono);resize:none;outline:none;flex:1;min-height:60px;max-height:300px;padding:12px 14px;font-size:13px;line-height:1.5;transition:border-color .15s;overflow-y:auto}.chat-input:focus{border-color:var(--accent)}.chat-input::placeholder{color:var(--text-muted)}.chat-input:disabled{opacity:.4;cursor:not-allowed}.send-btn{border-radius:var(--radius);font-family:var(--font-ui);cursor:pointer;border:none;justify-content:center;align-self:flex-end;align-items:center;min-width:72px;height:40px;padding:12px 22px;font-size:14px;font-weight:700;transition:all .15s;display:flex}.send-btn:disabled{opacity:.4;cursor:not-allowed}.openai-send{background:var(--openai);color:#000}.openai-send:not(:disabled):hover{background:#0ea572}.claude-send{background:var(--claude);color:#000}.claude-send:not(:disabled):hover{background:#ea6a0a}.spinner{border:2px solid #00000040;border-top-color:#000;border-radius:50%;width:16px;height:16px;animation:.6s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.no-key-warning{text-align:center;color:var(--text-muted);padding:4px 24px 12px;font-size:12px}.bubble h1{margin:12px 0 6px;font-size:17px;font-weight:500}.bubble h2{margin:10px 0 5px;font-size:15px;font-weight:500}.bubble h3{margin:8px 0 4px;font-size:14px;font-weight:500}.bubble p{margin:0 0 8px}.bubble p:last-child{margin-bottom:0}.bubble ul,.bubble ol{margin:4px 0 8px;padding-left:20px}.bubble li{margin:2px 0}.bubble strong{font-weight:600}.bubble em{font-style:italic}.bubble code{background:#0000000f;border:1px solid #00000014;border-radius:4px;padding:1px 5px;font-family:monospace;font-size:12.5px}.bubble blockquote{color:#666;border-left:2px solid #ccc;margin:6px 0;padding:4px 12px}.bubble hr{border:none;border-top:1px solid #eee;margin:10px 0}.bubble table{border-collapse:collapse;width:100%;margin:8px 0;font-size:13px}.bubble th,.bubble td{text-align:left;border:1px solid #ddd;padding:5px 10px}.bubble th{background:#0000000a;font-weight:500}.bubble tr:nth-child(2n) td{background:#00000005}.app-footer{border-top:1px solid var(--border);background:var(--surface);color:var(--text-muted);font-size:11px;font-family:var(--font-mono);letter-spacing:.2px;flex-shrink:0;align-items:center;gap:10px;padding:8px 24px;display:flex}.footer-link{color:var(--accent);text-decoration:none;transition:color .15s}.footer-link:hover{color:var(--text)}.footer-sep{opacity:.3}.footer-right{opacity:.6;margin-left:auto}.app-shell{flex-direction:column;height:100vh;display:flex}