:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#ee1c25;--accent-bg:#ee1c2514;--accent-border:#ee1c2580;--user-bubble-bg:#ee1c250f;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:16px/145% var(--sans);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#ff5a55;--accent-bg:#ff5a5526;--accent-border:#ff5a5580;--user-bubble-bg:#ff5a551a}}*{box-sizing:border-box}body{min-height:100svh;margin:0}#root{flex-direction:column;min-height:100svh;display:flex}.login-page{flex:1;justify-content:center;align-items:center;padding:24px;display:flex}.login-card{flex-direction:column;gap:12px;width:100%;max-width:360px;display:flex}.login-logo{background:#fff;border-radius:12px;align-self:center;width:280px;max-width:100%;margin-bottom:12px;padding:16px 20px}.login-card label{flex-direction:column;gap:4px;font-size:14px;display:flex}.login-card input{font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--text-h);border-radius:8px;padding:10px 12px}.login-card button{background:var(--accent);color:#fff;font:inherit;cursor:pointer;border:none;border-radius:8px;margin-top:8px;padding:10px 12px}.login-error{color:#e5484d;margin:0;font-size:14px}.app-layout{width:100%;height:100svh;display:flex}.sidebar{border-right:1px solid var(--border);background:var(--code-bg);flex-direction:column;flex:none;width:260px;transition:width .18s;display:flex;position:relative}.sidebar.collapsed{width:52px}.sidebar-toggle{z-index:2;border:1px solid var(--border);background:var(--bg);width:24px;height:24px;color:var(--text);cursor:pointer;border-radius:50%;flex:none;justify-content:center;align-items:center;padding:0;display:flex;position:absolute;top:50%;right:-12px;transform:translateY(-50%);box-shadow:0 1px 4px #0003}.sidebar-toggle:hover{background:var(--code-bg);color:var(--text-h)}.sidebar-top{padding:12px}.sidebar-new{border:1px solid var(--accent-border);background:var(--accent-bg);width:100%;color:var(--text-h);font:inherit;cursor:pointer;text-align:left;white-space:nowrap;border-radius:8px;padding:10px 12px;font-size:14px;font-weight:600}.sidebar-new-collapsed{border:1px solid var(--accent-border);background:var(--accent-bg);color:var(--text-h);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;margin:12px 8px;padding:8px;display:flex}.sidebar-list{flex-direction:column;flex:1;gap:2px;padding:0 8px 12px;display:flex;overflow-y:auto}.sidebar-item{cursor:pointer;color:var(--text);border-radius:8px;align-items:center;gap:6px;padding:8px 10px;display:flex}.sidebar-item:hover{background:var(--border)}.sidebar-item.active{background:var(--accent-bg);color:var(--text-h)}.sidebar-item-title{text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:14px;overflow:hidden}.sidebar-item-delete{color:inherit;opacity:0;cursor:pointer;background:0 0;border:none;border-radius:6px;flex:none;justify-content:center;align-items:center;padding:4px;display:flex}.sidebar-item:hover .sidebar-item-delete{opacity:.6}.sidebar-item-delete:hover{background:var(--accent-bg);opacity:1!important}.chat-page{flex-direction:column;flex:1;width:100%;max-width:1000px;height:100%;min-height:0;margin:0 auto;display:flex}.chat-header{border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:12px 16px;display:flex}.chat-header-mark{flex:none;width:32px;height:32px}.chat-header h1{color:var(--text-h);margin:0;font-size:18px;font-weight:600}.chat-header-sub{color:var(--text);font-size:12px}.chat-header-logout{color:var(--text);font:inherit;cursor:pointer;background:0 0;border:none;border-radius:8px;flex:none;align-items:center;gap:6px;margin-left:auto;padding:6px 10px;font-size:13px;display:flex}.chat-header-logout:hover{background:var(--code-bg);color:var(--text-h)}.chat-log-wrap{flex:1;min-height:0;display:flex;position:relative}.chat-log{flex-direction:column;flex:1;gap:10px;padding:16px;display:flex;overflow-y:auto}.scroll-to-bottom{border:1px solid var(--border);background:var(--bg);width:36px;height:36px;color:var(--text-h);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;bottom:12px;left:50%;transform:translate(-50%);box-shadow:0 2px 8px #00000026}.scroll-to-bottom:hover{background:var(--code-bg)}.chat-bubble{white-space:pre-wrap;max-width:min(80%,640px);font-family:var(--sans);border-radius:12px;padding:10px 14px}.chat-bubble.assistant{background:var(--code-bg);color:var(--text-h);align-self:flex-start}.chat-bubble.user{background:var(--user-bubble-bg);border:1px solid var(--accent-border);color:var(--text-h);align-self:flex-end}.chat-bubble.typing{opacity:.6;font-style:italic}.chat-input-row{border-top:1px solid var(--border);gap:8px;padding:16px;display:flex}.chat-input-row input{font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--text-h);border-radius:8px;flex:1;padding:10px 12px}.chat-input-row button{background:var(--accent);color:#fff;font:inherit;cursor:pointer;border:none;border-radius:8px;padding:10px 16px}.chat-input-row button:disabled,.login-card button:disabled{opacity:.5;cursor:default}.mic-button{border:1px solid var(--border);background:var(--code-bg);color:var(--text-h);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;padding:0 12px;display:flex}.mic-button.recording{color:#fff;background:#e5484d;border-color:#e5484d}