:root{--bg:#1e1e1e;--bg-2:#252526;--bg-3:#2d2d30;--border:#3c3c3c;--fg:#d4d4d4;--fg-dim:#9a9a9a;--accent:#0e8a16;--accent-2:#1f6feb;--danger:#f14c4c;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body,html{margin:0;height:100%;background:var(--bg);color:var(--fg)}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:var(--bg-3);color:var(--fg);border-radius:6px;padding:6px 14px}button:hover{background:#3a3a3d}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover{filter:brightness(1.1)}button:disabled{opacity:.5;cursor:not-allowed}input,textarea{font:inherit;background:var(--bg);color:var(--fg);border:1px solid var(--border);border-radius:6px;padding:8px 10px;outline:none}input:focus,textarea:focus{border-color:var(--accent-2)}.ide{display:grid;grid-template-columns:220px 1fr 360px;height:100vh}.pane{overflow:hidden;display:flex;flex-direction:column;min-width:0}.pane+.pane{border-left:1px solid var(--border)}.pane-head{height:40px;flex:0 0 40px;display:flex;align-items:center;gap:8px;padding:0 12px;background:var(--bg-2);border-bottom:1px solid var(--border);font-size:13px;color:var(--fg-dim)}.pane-head .spacer{flex:1 1}.tree{overflow:auto;padding:6px 4px;font-size:13px}.tree-item{display:flex;align-items:center;gap:6px;padding:4px 8px;border-radius:4px;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;white-space:nowrap}.tree-item:hover{background:var(--bg-3)}.tree-item.active{background:#094771}.center{display:grid;grid-template-rows:1fr 200px}.center,.editor-wrap{min-height:0}.term-wrap{border-top:1px solid var(--border);background:#131313;display:flex;flex-direction:column}.term-host{flex:1 1;min-height:0;padding:6px 8px;overflow:auto;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:12.5px;white-space:pre-wrap;color:#cfcfcf}.term-host .err{color:var(--danger)}.term-host .meta{color:var(--fg-dim)}.chat{display:flex;flex-direction:column;min-height:0;height:100%}.chat-log{flex:1 1;overflow:auto;padding:12px;display:flex;flex-direction:column;gap:12px}.msg{font-size:13.5px;line-height:1.6;white-space:pre-wrap;word-break:break-word}.msg.user{align-self:flex-end;background:#094771;padding:8px 12px;border-radius:10px;max-width:85%}.msg.assistant{align-self:flex-start}.msg .role{font-size:11px;margin-bottom:2px}.msg .role,.status{color:var(--fg-dim)}.status{font-size:12px;font-style:italic}.chat-input{border-top:1px solid var(--border);padding:10px;display:flex;gap:8px}.chat-input textarea{flex:1 1;resize:none;height:56px}.login{display:flex;align-items:center;justify-content:center;height:100vh}.login-card{background:var(--bg-2);border:1px solid var(--border);border-radius:12px;padding:32px;width:320px;display:flex;flex-direction:column;gap:14px}.login-card h1{margin:0 0 4px;font-size:20px}.login-card .sub{margin-bottom:8px}.login-card .sub,.login-card label{color:var(--fg-dim);font-size:13px}.error{color:var(--danger);font-size:13px}