:root{--bg:oklch(14% 0.02 260);--surface:oklch(18% 0.02 260);--surface2:oklch(22% 0.02 260);--surface3:oklch(26% 0.02 260);--fg:oklch(92% 0.01 260);--fg2:oklch(78% 0.01 260);--muted:oklch(52% 0.015 260);--border:oklch(26% 0.015 260);--accent:oklch(65% 0.18 270);--accent-soft:oklch(65% 0.18 270/0.12);--success:oklch(72% 0.15 155);--success-soft:oklch(72% 0.15 155/0.12);--warning:oklch(78% 0.14 85);--warning-soft:oklch(78% 0.14 85/0.12);--danger:oklch(65% 0.2 25);--orange:oklch(72% 0.16 55);--orange-soft:oklch(72% 0.16 55/0.12);--teal:oklch(72% 0.12 185);--teal-soft:oklch(72% 0.12 185/0.12);--pink:oklch(68% 0.16 340);--pink-soft:oklch(68% 0.16 340/0.12);--font-display:-apple-system,BlinkMacSystemFont,"SF Pro Display",system-ui,sans-serif;--font-body:-apple-system,BlinkMacSystemFont,"SF Pro Text",system-ui,sans-serif;--font-mono:"SF Mono","JetBrains Mono",ui-monospace,Menlo,monospace;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--sidebar-w:300px}*{box-sizing:border-box;margin:0;padding:0}body,html{height:100%;overflow:hidden}body{font-family:var(--font-body);font-size:14px;line-height:1.6;color:var(--fg);background:var(--bg);-webkit-font-smoothing:antialiased}.app{display:flex;height:100vh}.sidebar{width:var(--sidebar-w);min-width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;transition:transform .25s cubic-bezier(.4,0,.2,1);z-index:20}.sidebar-header{padding:16px;justify-content:space-between;border-bottom:1px solid var(--border)}.sidebar-header,.sidebar-logo{display:flex;align-items:center}.sidebar-logo{gap:10px;font-family:var(--font-display);font-weight:600;font-size:15px;letter-spacing:-.02em}.sidebar-logo .logo-mark{width:28px;height:28px;background:var(--accent);border-radius:var(--radius-sm);display:grid;place-items:center;color:#fff;font-weight:700;font-size:14px}.btn-new-session{display:flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--border);background:transparent;color:var(--fg2);border-radius:var(--radius-sm);cursor:pointer;font-size:12px;font-family:var(--font-body);transition:all .15s}.btn-new-session:hover{background:var(--surface2);color:var(--fg)}.sidebar-search{padding:12px 16px}.search-input{width:100%;padding:8px 12px 8px 34px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--fg);font-size:13px;font-family:var(--font-body);outline:none;transition:border-color .15s}.search-input:focus{border-color:var(--accent)}.search-wrap{position:relative}.search-wrap svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}.session-list{flex:1 1;overflow-y:auto;padding:4px 8px}.session-list::-webkit-scrollbar{width:4px}.session-list::-webkit-scrollbar-track{background:transparent}.session-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.session-group-label{font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;padding:12px 8px 6px}.session-item{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);cursor:pointer;transition:background .12s;color:var(--fg2);font-size:13px;text-decoration:none;margin-bottom:2px}.session-item:hover{background:var(--surface2)}.session-item.active{background:var(--accent-soft);color:var(--fg)}.session-status-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;margin-top:6px}.session-status-dot.active{background:var(--success);box-shadow:0 0 6px var(--success)}.session-status-dot.idle{background:var(--warning)}.session-status-dot.ended{background:var(--muted)}.session-info{flex:1 1;min-width:0}.session-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500;line-height:1.3}.session-meta{display:flex;align-items:center;gap:8px;margin-top:3px;font-size:11px;color:var(--muted);font-family:var(--font-mono)}.session-meta .session-id{opacity:.7}.session-meta .session-turns{display:flex;align-items:center;gap:3px}.session-meta .session-turns svg{flex-shrink:0}.session-skills-tags{display:flex;gap:4px;margin-top:4px;flex-wrap:wrap}.session-skill-tag{font-size:10px;padding:1px 6px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:500;white-space:nowrap}.session-time{font-size:11px;color:var(--muted);flex-shrink:0;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;margin-top:2px}.sidebar-footer{padding:12px 16px;border-top:1px solid var(--border);display:flex;align-items:center;gap:10px}.user-avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--accent),oklch(55% .16 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var(--border);background:var(--surface);flex-shrink:0}.btn-sidebar-toggle{display:none;width:36px;height:36px;background:transparent;border:none;color:var(--fg2);border-radius:var(--radius-sm);cursor:pointer;place-items:center;font-size:18px}.topbar-title{font-family:var(--font-display);font-weight:600;font-size:15px;letter-spacing:-.01em;flex:1 1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.model-selector{display:flex;align-items:center;gap:6px;padding:5px 12px;background:var(--bg);border:1px solid var(--border);border-radius:999px;cursor:pointer;font-size:12px;color:var(--fg2);font-family:var(--font-mono);transition:all .15s;flex-shrink:0}.model-selector:hover{border-color:var(--accent);color:var(--fg)}.model-dot{width:7px;height:7px;border-radius:50%;background:var(--success)}.topbar-actions{display:flex;gap:2px}.topbar-btn{width:34px;height:34px;background:transparent;border:none;color:var(--muted);border-radius:var(--radius-sm);cursor:pointer;display:grid;place-items:center;transition:all .15s}.topbar-btn:hover{background:var(--surface2);color:var(--fg)}.session-bar{gap:16px;padding:8px 20px;background:var(--bg);border-bottom:1px solid var(--border);font-size:12px;flex-shrink:0}.session-bar,.session-bar-item{display:flex;align-items:center}.session-bar-item{gap:5px;color:var(--muted);font-family:var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.session-bar-item .label{font-family:var(--font-body);font-weight:500;color:var(--fg2);font-size:11px;text-transform:uppercase;letter-spacing:.04em}.session-bar-item .value{color:var(--fg2)}.session-bar-divider{width:1px;height:16px;background:var(--border)}.status-badge{display:inline-flex;align-items:center;gap:5px;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:500}.status-badge.connected{background:var(--success-soft);color:var(--success)}.status-badge .status-dot{width:6px;height:6px;border-radius:50%;background:currentColor}.session-bar-spacer{flex:1 1}.btn-session-detail{display:flex;align-items:center;gap:4px;padding:3px 8px;background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--muted);font-size:11px;font-family:var(--font-body);cursor:pointer;transition:all .15s}.btn-session-detail:hover{background:var(--surface);color:var(--fg2)}.chat-area{flex:1 1;overflow-y:auto;padding:20px 0}.chat-area::-webkit-scrollbar{width:6px}.chat-area::-webkit-scrollbar-track{background:transparent}.chat-area::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.messages{max-width:800px;margin:0 auto;padding:0 24px;display:flex;flex-direction:column;gap:4px}.turn-marker{display:flex;align-items:center;gap:10px;padding:16px 0 8px}.turn-marker-line{flex:1 1;height:1px;background:var(--border)}.turn-marker-label{font-size:11px;font-family:var(--font-mono);color:var(--muted);letter-spacing:.05em;text-transform:uppercase;white-space:nowrap;padding:0 4px}.msg{display:flex;gap:14px;padding:10px 0}.msg-avatar{width:30px;height:30px;border-radius:var(--radius-sm);flex-shrink:0;display:grid;place-items:center;font-size:12px;font-weight:600}.msg.user .msg-avatar{background:linear-gradient(135deg,var(--accent),oklch(55% .16 310));color:#fff}.msg.assistant .msg-avatar{background:var(--surface2);border:1px solid var(--border);color:var(--accent)}.msg-body{flex:1 1;min-width:0}.msg-header{display:flex;align-items:baseline;gap:8px;margin-bottom:4px}.msg-name{font-weight:600;font-size:13px}.msg-time{font-size:11px;color:var(--muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.msg-content{font-size:14px;line-height:1.65;color:var(--fg2)}.msg-content p+p{margin-top:10px}.msg-content strong{color:var(--fg);font-weight:600}.msg-content code{background:var(--surface2);padding:2px 6px;border-radius:4px;font-family:var(--font-mono);font-size:12px}.agent-loop{margin:8px 0;border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden}.agent-loop-header{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--surface);cursor:pointer;transition:background .12s;-webkit-user-select:none;-moz-user-select:none;user-select:none}.agent-loop-header:hover{background:var(--surface2)}.loop-chevron{transition:transform .2s;color:var(--muted);flex-shrink:0}.agent-loop.open .loop-chevron{transform:rotate(90deg)}.loop-icon{color:var(--accent);flex-shrink:0}.loop-title{font-size:13px;font-weight:500;flex:1 1}.loop-badge{font-size:11px;font-family:var(--font-mono);color:var(--muted);padding:2px 8px;background:var(--bg);border-radius:999px}.loop-status{font-size:11px;font-weight:500;display:flex;align-items:center;gap:4px}.loop-status.completed{color:var(--success)}.loop-status.running{color:var(--warning)}.agent-loop-body{display:none;border-top:1px solid var(--border)}.agent-loop.open .agent-loop-body{display:block}.loop-step{display:flex;gap:10px;padding:10px 14px;position:relative}.loop-step+.loop-step{border-top:1px solid oklch(26% .015 260/.5)}.step-line{display:flex;flex-direction:column;align-items:center;flex-shrink:0;width:20px}.step-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;margin-top:5px}.step-dot.thinking{background:var(--accent)}.step-dot.tool-call{background:var(--orange)}.step-dot.tool-result{background:var(--success)}.step-connector{width:1px;flex:1 1;background:var(--border);min-height:8px}.loop-step:last-child .step-connector{display:none}.step-content{flex:1 1;min-width:0}.step-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;margin-bottom:3px}.step-label.thinking{color:var(--accent)}.step-label.tool-call{color:var(--orange)}.step-label.tool-result{color:var(--success)}.step-detail{font-size:12px;color:var(--muted);line-height:1.5}.step-detail .tool-name{font-family:var(--font-mono);color:var(--fg2);font-weight:500}.step-detail .tool-args{background:var(--bg);color:var(--muted);white-space:pre}.step-detail .tool-args,.step-detail .tool-result-preview{margin-top:4px;padding:6px 10px;border-radius:6px;font-family:var(--font-mono);font-size:11px;overflow-x:auto}.step-detail .tool-result-preview{background:var(--success-soft);color:var(--success)}.step-time{font-size:10px;color:oklch(45% .01 260);font-family:var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;margin-top:2px}.code-block{margin:12px 0;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border)}.code-header{justify-content:space-between;padding:8px 14px;background:var(--surface2);font-family:var(--font-mono)}.code-header,.code-header .btn-copy{display:flex;align-items:center;font-size:12px;color:var(--muted)}.code-header .btn-copy{background:transparent;border:none;cursor:pointer;font-family:var(--font-body);gap:4px;transition:color .15s}.code-header .btn-copy:hover{color:var(--fg)}.code-body{padding:14px 16px;background:var(--bg);font-family:var(--font-mono);font-size:13px;line-height:1.55;overflow-x:auto;color:var(--fg2)}.code-body::-webkit-scrollbar{height:4px}.code-body::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.tk-kw{color:oklch(72% .14 300)}.tk-fn{color:oklch(72% .14 230)}.tk-str{color:oklch(72% .12 155)}.tk-cm{color:var(--muted);font-style:italic}.tk-num{color:oklch(78% .14 85)}.msg-actions{display:flex;gap:2px;margin-top:8px;opacity:0;transition:opacity .15s}.msg:hover .msg-actions{opacity:1}.msg-action-btn{width:28px;height:28px;background:transparent;border:none;color:var(--muted);border-radius:6px;cursor:pointer;display:grid;place-items:center;transition:all .12s}.msg-action-btn:hover{background:var(--surface2);color:var(--fg)}.thinking-block{margin:8px 0;display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}.thinking-dots{display:flex;gap:4px}.thinking-dots span{width:5px;height:5px;background:var(--accent);border-radius:50%;animation:pulse 1.4s ease-in-out infinite}.thinking-dots span:nth-child(2){animation-delay:.2s}.thinking-dots span:nth-child(3){animation-delay:.4s}@keyframes pulse{0%,80%,to{opacity:.3;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}.loop-progress{margin:8px 0;padding:10px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);display:flex;align-items:center;gap:12px}.loop-progress-info{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--fg2);white-space:nowrap}.loop-spinner{width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;flex-shrink:0}@keyframes spin{to{transform:rotate(1turn)}}.loop-progress-bar{flex:1 1;height:3px;background:var(--surface2);border-radius:2px;overflow:hidden}.loop-progress-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .4s ease}.loop-progress-count{font-size:11px;font-family:var(--font-mono);color:var(--muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;white-space:nowrap}.btn-stop-loop{padding:4px 10px;background:transparent;border:1px solid var(--danger);border-radius:6px;color:var(--danger);font-size:11px;font-family:var(--font-body);font-weight:500;cursor:pointer;transition:all .15s;white-space:nowrap}.btn-stop-loop:hover{background:oklch(65% .2 25/.12)}.skill-select-group{display:flex;flex-direction:column;align-items:flex-end;gap:3px;flex-shrink:0}.skill-select-label{font-size:10px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;padding-right:2px}.skill-select-wrap{position:relative}.skill-select{-moz-appearance:none;appearance:none;-webkit-appearance:none;padding:7px 36px 7px 14px;background:var(--bg);border:1.5px solid oklch(72% .16 55);border-radius:var(--radius-sm);color:var(--fg);font-family:var(--font-body);font-size:13px;font-weight:500;cursor:pointer;outline:none;min-width:180px;transition:border-color .15s,box-shadow .15s}.skill-select:focus,.skill-select:hover{border-color:oklch(78% .18 55)}.skill-select:focus{box-shadow:0 0 0 3px oklch(72% .16 55/.15)}.skill-select option{background:var(--surface);color:var(--fg);padding:8px}.skill-select-chevron{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}.tool-auth{margin:10px 0;border:1px solid var(--warning);border-radius:var(--radius-md);overflow:hidden;background:var(--surface)}.tool-auth-header{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--warning-soft);border-bottom:1px solid oklch(78% .14 85/.2)}.tool-auth-icon{width:28px;height:28px;border-radius:var(--radius-sm);background:var(--warning-soft);border:1px solid oklch(78% .14 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.15s;border:none}.btn-auth.approve{background:var(--success);color:#fff}.btn-auth.approve:hover{filter:brightness(1.1)}.btn-auth.deny{background:transparent;border:1px solid var(--border);color:var(--fg2)}.btn-auth.deny:hover{background:var(--surface2);color:var(--fg)}.btn-auth.always{background:transparent;color:var(--muted);font-size:11px;padding:6px 10px}.btn-auth.always:hover{color:var(--fg2)}.tool-auth-resolved{display:flex;align-items:center;gap:6px;padding:8px 14px;font-size:12px;font-weight:500}.tool-auth-resolved.approved{background:var(--success-soft);color:var(--success)}.tool-auth-resolved.denied{background:oklch(65% .2 25/.1);color:var(--danger)}.agent-state-bar{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);margin:8px 0;transition:all .2s}.agent-state-bar.state-thinking{border-color:oklch(65% .18 270/.4);background:oklch(65% .18 270/.06)}.agent-state-bar.state-tool-use{border-color:oklch(72% .16 55/.4);background:oklch(72% .16 55/.06)}.agent-state-bar.state-waiting{border-color:oklch(78% .14 85/.4);background:oklch(78% .14 85/.06)}.agent-state-bar.state-error{border-color:oklch(65% .2 25/.4);background:oklch(65% .2 25/.06)}.state-icon{width:24px;height:24px;border-radius:6px;display:grid;place-items:center;flex-shrink:0}.state-thinking .state-icon{background:var(--accent-soft);color:var(--accent)}.state-tool-use .state-icon{background:var(--orange-soft);color:var(--orange)}.state-waiting .state-icon{background:var(--warning-soft);color:var(--warning)}.state-error .state-icon{background:oklch(65% .2 25/.12);color:var(--danger)}.state-text{flex:1 1;font-size:12px;font-weight:500;color:var(--fg2)}.state-text .state-label{display:block;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;margin-bottom:1px}.state-thinking .state-label{color:var(--accent)}.state-tool-use .state-label{color:var(--orange)}.state-waiting .state-label{color:var(--warning)}.state-error .state-label{color:var(--danger)}.state-timer{font-size:11px;font-family:var(--font-mono);color:var(--muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.state-actions{display:flex;gap:4px}.state-action-btn{padding:4px 10px;background:transparent;border:1px solid var(--border);border-radius:6px;color:var(--muted);font-size:11px;font-family:var(--font-body);cursor:pointer;transition:all .15s}.state-action-btn:hover{background:var(--surface2);color:var(--fg2)}.state-action-btn.stop{border-color:var(--danger);color:var(--danger)}.state-action-btn.stop:hover{background:oklch(65% .2 25/.12)}.state-action-btn.retry{border-color:var(--accent);color:var(--accent)}.state-action-btn.retry:hover{background:var(--accent-soft)}@keyframes state-pulse{0%,to{opacity:1}50%{opacity:.5}}.state-waiting .state-icon svg{animation:state-pulse 2s ease-in-out infinite}.input-area{padding:12px 24px 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