:root{--font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;--font-family-mono: "SF Mono", "JetBrains Mono", "Fira Code", Consolas, "Liberation Mono", Menlo, Courier, "PingFang SC", "Microsoft YaHei";--color-bg-app: #ffffff;--color-bg-sidebar: #f9fafb;--color-bg-panel: #ffffff;--color-bg-popover: #ffffff;--color-bg-input: #ffffff;--color-bg-muted: #ebedf2;--color-bg-hover: #e1e5ee;--color-bg-active: #cfd3d6;--color-chat-card-bg: #f9fafb;--color-chat-muted-bg: #f4f5f7;--color-text-primary: #0f1115;--color-text-secondary: #61666b;--color-text-tertiary: #81858c;--color-text-inverse: #ffffff;--color-border-subtle: rgb(0 0 0 / 4%);--color-border-default: rgb(0 0 0 / 9%);--color-border-strong: rgb(0 0 0 / 16%);--color-accent: #18181b;--color-accent-strong: #09090b;--color-accent-soft: #ebedf2;--color-danger: #ef4444;--color-danger-soft: #fef2f2;--color-success: #22c55e;--color-success-soft: #f0fdf4;--color-success-strong: #16a34a;--color-warning: #f59e0b;--color-info: #3b82f6;--color-code-bg: #171a26;--color-code-text: #d1d5db}:root[data-theme=dark]{--color-bg-app: #0d0f14;--color-bg-sidebar: #131620;--color-bg-panel: #131620;--color-bg-popover: #1a1e2c;--color-bg-input: #0d0f14;--color-bg-muted: #1a1e2c;--color-bg-hover: #232838;--color-bg-active: #2a3042;--color-chat-card-bg: #131620;--color-chat-muted-bg: #171a26;--color-text-primary: #e8eaf2;--color-text-secondary: #9aa1b5;--color-text-tertiary: #6b7288;--color-text-inverse: #ffffff;--color-border-subtle: rgb(255 255 255 / 6%);--color-border-default: rgb(255 255 255 / 10%);--color-border-strong: rgb(255 255 255 / 18%);--color-accent: #e8eaf2;--color-accent-strong: #ffffff;--color-accent-soft: #232838;--color-danger: #f87171;--color-danger-soft: rgb(248 113 113 / 12%);--color-success: #34d399;--color-success-soft: rgb(52 211 153 / 12%);--color-success-strong: #6ee7b7;--color-warning: #fbbf24;--color-info: #60a5fa;--color-code-bg: #171a26;--color-code-text: #d1d5db}.web-app .chat-list-pane{background:var(--color-bg-sidebar);border-right-color:var(--color-border-subtle)}.web-app .conversation.agent-row:hover,.web-app .conversation:hover{background:var(--color-bg-hover);border-color:transparent}.web-app .conversation.agent-row.active{background:var(--color-bg-active);border-color:transparent}.web-app .chat-header{background:color-mix(in srgb,var(--color-bg-app) 86%,transparent);backdrop-filter:blur(10px);border-bottom-color:var(--color-border-subtle)}.web-app .message-timeline .message-list{max-width:860px;margin:0 auto;width:100%}.web-app .user-turn .rounded-\[14px\]{background:var(--color-bg-muted);border-color:var(--color-border-subtle);box-shadow:0 1px 2px #0000000a}.web-app .timeline-inline-text{color:var(--color-text-primary)}.web-app .composer{background:var(--color-bg-app)}.web-app .composer-box{background:var(--color-bg-panel);border-color:var(--color-border-default);box-shadow:0 1px 3px #0000000d;transition:border-color .16s ease,box-shadow .16s ease}.web-app .composer-box:focus-within{border-color:var(--color-info);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-info) 18%,transparent)}.web-app ::-webkit-scrollbar{width:8px;height:8px}.web-app ::-webkit-scrollbar-thumb{background:var(--color-border-strong);border-radius:999px;border:2px solid transparent;background-clip:content-box}.web-app ::-webkit-scrollbar-thumb:hover{background:var(--color-text-tertiary);border:2px solid transparent;background-clip:content-box}.web-app .tool-card,.web-app .thinking-block{border-color:var(--color-border-default);border-radius:10px;background:var(--color-bg-panel)}.project-group>.conversation:first-child:active{transform:none}.app.wechat-shell{flex-direction:row}.app.wechat-shell>.chat-list-pane{flex:0 0 280px;width:280px;min-width:0}.app.wechat-shell>.chat-pane{flex:1 1 0;min-width:0;min-height:0}.mobile-sidebar-toggle,.mobile-sidebar-close,.mobile-sidebar-backdrop{display:none}@media(max-width:760px){.app.wechat-shell{flex-direction:row}.app.wechat-shell>.chat-list-pane{position:fixed;inset:0 auto 0 0;z-index:50;width:min(88vw,320px);height:100%;max-height:none;min-height:0;flex:0 0 auto;border-right:1px solid var(--color-border);border-bottom:0;box-shadow:12px 0 32px #0000002e;transform:translate(-105%);transition:transform .18s ease-out}.app.wechat-shell>.chat-list-pane.mobile-open{transform:translate(0)}.app.wechat-shell>.chat-pane{width:100%;flex:1 1 auto;min-height:0}.mobile-sidebar-toggle,.mobile-sidebar-close{display:inline-flex}.mobile-sidebar-backdrop{position:fixed;inset:0;z-index:40;display:block;width:100%;border:0;padding:0;background:#00000052;opacity:0;pointer-events:none;transition:opacity .18s ease-out}.mobile-sidebar-backdrop.is-open{opacity:1;pointer-events:auto}.app.wechat-shell .chat-header{align-items:flex-start}.app.wechat-shell .chat-header-actions{width:100%;justify-content:flex-start}.app.wechat-shell .project-row-actions .project-action{min-width:32px;min-height:32px}.app.wechat-shell .session-row{min-height:36px}.app.wechat-shell .composer{padding-right:8px;padding-left:8px;padding-bottom:8px}.app.wechat-shell .composer-box{min-height:6rem;border-radius:12px}}