*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;font-size:14px;color:#1a1a1a;background:#f4f5f7}button,input{font:inherit}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.login-card{width:100%;max-width:360px;background:#fff;border:1px solid #ddd;border-radius:8px;padding:28px 24px;display:flex;flex-direction:column;gap:14px;box-shadow:0 4px 24px #0000000f}.login-card h1{margin:0;font-size:22px}.login-subtitle{margin:-6px 0 8px;color:#666;font-size:13px}.login-card label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:#444}.login-card input{padding:8px 10px;border:1px solid #ccc;border-radius:4px}.login-card button{margin-top:4px;padding:10px;border:none;border-radius:4px;background:#2f6fed;color:#fff;cursor:pointer}.login-card button:disabled{opacity:.6;cursor:default}.login-error{margin:0;color:#b42318;font-size:13px}.panel-layout{display:grid;grid-template-rows:auto 1fr;grid-template-columns:280px 1fr;grid-template-areas:"header header" "sidebar main";height:100vh}.panel-header{grid-area:header;display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:#fff;border-bottom:1px solid #ddd}.panel-header-muted{color:#666;font-weight:400}.panel-header-actions{display:flex;align-items:center;gap:12px}.panel-header-user{color:#555;font-size:13px}.btn-ghost{border:1px solid #ccc;background:#fff;padding:6px 12px;border-radius:4px;cursor:pointer}.panel-sidebar{grid-area:sidebar;border-right:1px solid #ddd;background:#fff;display:flex;flex-direction:column;min-height:0}.user-search{margin:10px;padding:8px 10px;border:1px solid #ccc;border-radius:4px}.user-list{list-style:none;margin:0;padding:0 0 12px;overflow-y:auto;flex:1}.user-list-empty{padding:16px;color:#666}.user-item{width:100%;text-align:left;border:none;border-bottom:1px solid #eee;background:transparent;padding:10px 14px;cursor:pointer;display:flex;flex-direction:column;gap:2px}.user-item:hover{background:#f5f8ff}.user-item.active{background:#e8f0fe;border-left:3px solid #2f6fed}.user-item-id{font-weight:600;font-size:13px}.user-item-name{font-size:12px;color:#666}.panel-main{grid-area:main;min-height:0;overflow:hidden}.panel-placeholder,.panel-muted{color:#666;padding:24px}.panel-split{display:grid;grid-template-columns:minmax(260px,36%) 1fr;height:100%;min-height:0}.vars-panel,.chat-panel{min-height:0;display:flex;flex-direction:column;padding:12px 14px;overflow:hidden}.vars-panel{border-right:1px solid #ddd;background:#fafafa}.vars-panel h2,.chat-panel h2{margin:0 0 10px;font-size:15px;font-weight:600}.vars-list{list-style:none;margin:0;padding:0;overflow-y:auto;display:flex;flex-direction:column;gap:6px}.var-card{background:#eee;border:1px solid #999999;border-radius:0;padding:6px 8px;font-size:11px;font-style:italic;transition:box-shadow .35s ease,border-color .35s ease}.var-card--flash{border-color:#2f6fed;box-shadow:0 0 0 2px #2f6fed73}.var-name{font-weight:600;font-style:italic;text-align:center;margin-bottom:4px;word-break:break-word}.var-value{font-style:normal;white-space:pre-wrap;word-break:break-word;font-size:12px;color:#222}.var-updated{margin-top:4px;font-size:10px;color:#777;font-style:normal;text-align:right}.chat-panel{background:#fff}.chat-log{flex:1;overflow-y:auto;border:1px solid #ddd;border-radius:4px;padding:8px;background:#fcfcfc}.chat-msg{margin-bottom:10px;padding:8px 10px;border-radius:4px;border-left:4px solid #ccc}.chat-msg--user{background:#e8f4fc;border-left-color:#2f6fed}.chat-msg--bot{background:#edf7ed;border-left-color:#3d8b40}.chat-msg--system{background:#f3f3f3;border-left-color:#999;font-size:12px;color:#555}.chat-time{display:block;font-size:11px;color:#888;margin-bottom:4px}.chat-body{margin:0;white-space:pre-wrap;word-break:break-word;font-family:inherit;font-size:13px}@media(max-width:900px){.panel-layout{grid-template-columns:1fr;grid-template-areas:"header" "sidebar" "main";height:auto;min-height:100vh}.panel-split{grid-template-columns:1fr;grid-template-rows:auto 50vh}}