*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0d1117;--bg-secondary: #161b22;--bg-tertiary: #21262d;--border: #30363d;--text: #e6edf3;--text-muted: #8b949e;--accent: #58a6ff;--green: #22c55e;--yellow: #eab308;--red: #ef4444;--blue: #3b82f6}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,monospace;background:var(--bg);color:var(--text);font-size:14px;overflow:hidden}#app{height:100%}.app{display:flex;flex-direction:column;height:100%}.header{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:var(--bg-secondary);border-bottom:1px solid var(--border);min-height:44px}.header-left{display:flex;align-items:center;gap:8px}.menu-btn{background:none;border:none;color:var(--text);font-size:20px;cursor:pointer;padding:4px 8px}.header-title{font-weight:600;font-size:16px}.header-right{display:flex;align-items:center;gap:8px}.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block}.status-label{font-size:12px;color:var(--text-muted);text-transform:capitalize}.cost-label{font-size:12px;color:var(--text-muted);margin-left:8px}.app-body{display:flex;flex:1;overflow:hidden}.sidebar-container{width:260px;border-right:1px solid var(--border);flex-shrink:0;display:flex;overflow:hidden}.sidebar{display:flex;flex-direction:column;width:100%;overflow:hidden}.sidebar-search{padding:8px;border-bottom:1px solid var(--border)}.sidebar-search input{width:100%;padding:6px 10px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:13px;outline:none}.sidebar-search input:focus{border-color:var(--accent)}.session-list{flex:1;overflow-y:auto}.session-item{display:flex;align-items:flex-start;gap:8px;padding:10px 12px;cursor:pointer;border-bottom:1px solid var(--border)}.session-item:hover{background:var(--bg-tertiary)}.session-item.selected{background:var(--bg-tertiary);border-left:3px solid var(--accent)}.session-dot{width:8px;height:8px;border-radius:50%;margin-top:4px;flex-shrink:0}.session-dot.running{background:var(--green)}.session-dot.stopped{background:var(--text-muted)}.session-info{min-width:0;flex:1}.session-id{font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.session-prompt{font-size:12px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}.session-time{font-size:11px;color:var(--text-muted);margin-top:2px}.session-empty{padding:20px;text-align:center;color:var(--text-muted);font-size:13px}.main-container{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}.session-header{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--bg-secondary);border-bottom:1px solid 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12px;cursor:pointer;font-size:13px;font-weight:500;color:var(--accent);list-style:none}.tool-call-summary:before{content:"▶";font-size:10px}.tool-call[open] .tool-call-summary:before{content:"▼"}.tool-call-input{padding:8px 12px;font-size:12px;background:var(--bg);border-top:1px solid var(--border);overflow-x:auto;white-space:pre-wrap;word-break:break-word;max-height:300px;overflow-y:auto;color:var(--text-muted)}.log-line{font-size:12px;padding:2px 0;line-height:1.4;white-space:pre-wrap;word-break:break-word;color:var(--text-muted)}.load-more-btn{background:var(--bg-tertiary);border:1px solid var(--border);color:var(--accent);padding:6px 12px;border-radius:6px;cursor:pointer;font-size:12px;align-self:center;margin-bottom:8px}.input-bar{border-top:1px solid var(--border);background:var(--bg-secondary);padding:8px 12px}.image-previews{display:flex;gap:6px;margin-bottom:6px;flex-wrap:wrap}.image-badge{display:inline-flex;align-items:center;gap:4px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:4px;padding:2px 8px;font-size:12px;color:var(--text-muted)}.image-remove{background:none;border:none;color:var(--red);cursor:pointer;font-size:12px;padding:0 2px}.input-row{display:flex;align-items:flex-end;gap:8px}.attach-btn{background:var(--bg-tertiary);border:1px solid var(--border);color:var(--text);width:36px;height:36px;border-radius:6px;cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.file-input-hidden{display:none}.input-textarea{flex:1;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:8px 12px;font-size:14px;font-family:inherit;resize:none;outline:none;min-height:36px;max-height:150px;line-height:1.4}.input-textarea:focus{border-color:var(--accent)}.input-textarea::placeholder{color:var(--text-muted)}.send-btn{background:var(--accent);border:none;color:#000;padding:8px 16px;border-radius:6px;font-size:14px;font-weight:600;cursor:pointer;flex-shrink:0;height:36px}.send-btn:disabled{opacity:.5;cursor:not-allowed}@media(max-width:768px){.sidebar-container{display:none;position:fixed;top:44px;left:0;bottom:0;width:100%;z-index:10;background:var(--bg);border-right:none}.sidebar-container.visible{display:flex}.main-container.hidden-mobile{display:none}.menu-btn{display:flex}}@media(min-width:769px){.menu-btn{display:none}.sidebar-container,.main-container{display:flex!important}}