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var(--border)}.preview-bubble.user{background:var(--user-bubble);margin-left:auto}.preview-bubble.assistant{background:var(--surface-soft)}.conversation-summary{margin-top:8px;font-size:12px;color:var(--text-secondary)}.conversation-detail{border:1px solid var(--billing-card-border);border-radius:14px;background:var(--billing-card-bg);overflow:hidden;display:flex;flex-direction:column;min-height:0}.conversation-detail-head{padding:14px;border-bottom:1px solid var(--border)}.conversation-detail-head h2{font-size:16px;margin-bottom:8px}.conversation-meta{display:flex;flex-wrap:wrap;gap:6px}.conversation-meta span{border:1px solid var(--border);background:var(--surface-soft);color:var(--text-secondary);border-radius:999px;padding:3px 8px;font-size:11px}.conversation-thread{flex:1;min-height:0;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:12px}.thread-message{max-width:92%;display:flex;flex-direction:column;gap:5px}.thread-message.user{margin-left:auto;align-items:flex-end}.thread-message.assistant{margin-right:auto;align-items:flex-start}.thread-meta{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--text-muted)}.thread-bubble{border:1px solid var(--border);border-radius:12px;padding:9px 11px;font-size:13px;line-height:1.55;word-break:break-word;white-space:pre-wrap}.thread-message.user .thread-bubble{background:var(--user-bubble)}.thread-message.assistant .thread-bubble{background:var(--surface-soft)}.thread-bubble p{margin:0 0 8px}.thread-bubble p:last-child{margin-bottom:0}.thread-bubble img{max-width:100%;border-radius:8px;margin:4px 0}.conversations-empty{border:1px dashed var(--billing-card-border);border-radius:12px;color:var(--text-muted);font-size:12px;padding:20px 12px;text-align:center}.config-sections{display:flex;flex-direction:column;gap:20px}.config-section{display:flex;flex-direction:column;gap:12px}.section-title{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}.agent-grid{display:flex;flex-direction:column;gap:18px}.agent-card{border:1px solid var(--border);border-radius:14px;background:var(--surface);overflow:hidden;box-shadow:var(--shadow-soft)}.agent-card-header{padding:16px 18px;border-bottom:1px solid var(--border)}.agent-card-header h3{font-size:16px;font-weight:700}.agent-card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:16px}.agent-llm{border:1px solid var(--border);border-radius:12px;background:var(--main-bg);padding:12px}.agent-llm-title{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:10px}.agent-prompts .prompts-panel{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--main-bg)}.agent-prompts-title{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin:0 0 10px}.panel-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.panel-header h2{font-size:20px;font-weight:700}.panel-actions{display:flex;align-items:center;gap:10px}.panel-status{font-size:12px;color:var(--accent)}.save-btn{border:none;border-radius:10px;background:var(--send-bg);color:var(--send-text);padding:9px 14px;font-size:12px;font-weight:600;font-family:inherit;cursor:pointer}.save-btn:disabled{background:var(--send-disabled-bg);color:var(--send-disabled-text);cursor:not-allowed}.config-groups{display:flex;flex-direction:column;gap:16px;max-width:760px}.config-group{border:1px solid var(--border);border-radius:12px;background:var(--surface);padding:14px}.config-group h3{margin-bottom:12px;font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted)}.config-fields{display:flex;flex-direction:column;gap:10px}.config-field{display:flex;align-items:center;gap:12px}.config-field label{width:120px;flex-shrink:0;font-size:12px;color:var(--text-secondary)}.config-field input,.config-field select{width:100%;border:1px solid var(--border-strong);border-radius:9px;background:var(--main-bg);color:var(--text-primary);font-size:13px;font-family:inherit;padding:8px 10px;outline:none}.config-field input:focus,.config-field select:focus{border-color:var(--composer-focus)}.prompts-panel{display:flex;overflow:hidden}.prompts-list{width:250px;flex-shrink:0;border-right:1px solid var(--border);background:var(--surface);overflow-y:auto;padding:12px 0}.prompts-list h3{padding:0 14px 10px;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted)}.prompt-group{margin-bottom:8px}.prompt-group-title{padding:10px 14px 6px;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}.prompt-item{padding:10px 14px;cursor:pointer;border-left:2px solid transparent}.prompt-item:hover{background:var(--hover-bg)}.prompt-item.active{border-left-color:var(--accent);background:var(--active-bg)}.prompt-item-name{display:block;font-size:13px;font-weight:600;color:var(--text-primary)}.prompt-item-agent{margin-top:2px;font-size:11px;color:var(--text-muted)}.prompts-editor{flex:1;min-width:0;display:flex;flex-direction:column;padding:22px}.editor-header{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:12px}.editor-header h2{font-size:18px;font-weight:700}.editor-desc{margin-top:4px;font-size:13px;color:var(--text-secondary)}.editor-vars{margin-top:6px;display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:12px;color:var(--text-muted)}.editor-vars code{background:var(--surface-soft);color:var(--text-primary);border-radius:5px;padding:2px 6px;font-size:11px}.prompt-textarea{flex:1;min-height:320px;border:1px solid var(--border-strong);border-radius:12px;background:var(--main-bg);color:var(--text-primary);font-family:JetBrains Mono,monospace;font-size:12.8px;line-height:1.6;padding:12px;resize:none;outline:none}.prompt-textarea:focus{border-color:var(--composer-focus)}.editor-empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:14px}::-webkit-scrollbar{width:7px;height:7px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--scrollbar);border-radius:999px}::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-hover)}@media(max-width:980px){.sidebar{position:fixed;top:0;left:0;bottom:0;z-index:20}.main-panel{margin-left:72px}.sidebar:not(.collapsed)+.main-panel{margin-left:260px}.thinking-sidebar{width:min(330px,42vw);min-width:260px}}@media(max-width:760px){.playground-header{padding:0 14px}.chat-content{flex-direction:column}.thinking-sidebar{width:100%;min-width:0;border-left:none;border-top:1px solid var(--border);max-height:42%}.messages-area{padding:16px 12px}.message{width:min(100%,820px)}.message.user{margin-right:0}.input-area{padding:10px 12px 14px}.config-panel,.conversations-panel,.billing-panel,.prompts-editor{padding:14px}.config-section{gap:10px}.panel-header,.billing-header,.editor-header,.config-field{flex-direction:column;align-items:flex-start}.config-field label{width:auto}.prompts-panel{flex-direction:column}.prompts-list{width:100%;max-height:170px;border-right:none;border-bottom:1px solid var(--border)}.billing-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.billing-grid,.conversations-toolbar,.conversations-layout{grid-template-columns:1fr}.conversations-list{max-height:42vh}.thread-message{max-width:100%}}