:root{--bg: #f6f7f9;--surface: #ffffff;--white: #ffffff;--surface-2: #f0f2f5;--surface-3: #fafbfc;--border: #e4e8ed;--border-strong: #c9d1da;--hover-border: #b6c0cb;--rail-bg: #fcfcfd;--avatar-bg: #eef2f7;--tab-hover: #e9edf2;--pdf-bg: #e2e8f0;--scroll-thumb: #d3d9e0;--scroll-thumb-hover: #b9c2cd;--text: #16202b;--text-2: #4b5765;--text-3: #7b8794;--text-inverse: #ffffff;--brand: #1e5aa8;--brand-hover: #174a8c;--brand-grad-a: #2c6cbd;--brand-weak: #e8f0fa;--brand-line: #c7d9f0;--badge-on: #d8e6f8;--ok: #0f7b4f;--ok-weak: #e7f4ec;--warn: #b45309;--warn-weak: #fbf2e4;--warn-line: #ecd8b8;--danger: #c0342b;--danger-weak: #faeae8;--experience: #6d3bbf;--exp-weak: #f2ecfb;--neutral: #5b6774;--neutral-weak: #eef1f4;--danger-line: #e8c0bc;--danger-surface: #fffafa;--danger-border: #e3b7b2;--quote-bg: #fffdf6;--quote-line: #e0b872;--serif-ink: #2b2f33;--hl-bg: #fef9c3;--hl-line: #f59e0b;--hl-current: #ea580c;--toast-bg: #1d2733;--toast-ok: #7ee2b8;--toast-warn: #fcd48a;--toast-err: #f6a7a1;--toast-info: #9cc3f5;--font-sans: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;--font-serif: "Songti SC", "SimSun", "Noto Serif SC", serif;--font-mono: "Cascadia Mono", Consolas, ui-monospace, monospace;--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 20px;--sp-6: 24px;--r-sm: 4px;--r-md: 8px;--r-lg: 12px;--r-full: 999px;--sh-1: 0 1px 2px rgba(16, 24, 40, .05);--sh-2: 0 4px 12px rgba(16, 24, 40, .08);--sh-3: 0 16px 48px rgba(16, 24, 40, .18);--t-fast: .12s ease-out;--t-panel: .2s cubic-bezier(.2, .8, .2, 1);--chrome-h: 56px;--topbar-h: 56px;--statusbar-h: 30px;--rail-w: 220px;--rail-w-collapsed: 64px;--chat-pct: 36%}*{box-sizing:border-box}html{color-scheme:light}html,body,#root{height:100%}body{margin:0;font-family:var(--font-sans);font-size:14px;line-height:1.55;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;overflow:hidden}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}svg{display:block;flex:none}.spacer{flex:1}.mono{font-family:var(--font-mono)}.muted{color:var(--text-3)}:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:var(--scroll-thumb);border:3px solid transparent;background-clip:content-box;border-radius:8px}::-webkit-scrollbar-thumb:hover{background:var(--scroll-thumb-hover);background-clip:content-box}::-webkit-scrollbar-track{background:transparent}@keyframes spin{to{transform:rotate(360deg)}}.spin{animation:spin .9s linear infinite}.rotate-90{transform:rotate(90deg)}.app-shell{height:100vh;display:flex;flex-direction:column;overflow:hidden;background:var(--bg)}.app-body{flex:1;min-height:0;display:flex}.split{flex:1;min-width:0;min-height:0;display:flex}.pane{min-width:0;min-height:0;display:flex;flex-direction:column}.pane-chat{flex:0 0 auto;width:var(--chat-pct);min-width:340px;background:var(--surface)}.pane-workspace{flex:1;background:var(--bg)}.split.is-right-collapsed .pane-chat{flex:1 1 auto;width:auto;min-width:0}.pane.is-collapsed{flex:0 0 0!important;width:0!important;min-width:0!important;visibility:hidden;overflow:hidden;border:none!important}.topbar{flex:0 0 var(--topbar-h);height:var(--topbar-h);display:flex;align-items:center;gap:8px;padding:0 14px;background:var(--surface);border-bottom:1px solid 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3px;font-size:14px;line-height:1.65;white-space:pre-wrap;word-break:break-word;box-shadow:var(--sh-1)}.msg-assistant{display:flex;gap:9px;max-width:100%}.msg-avatar{flex:0 0 26px;width:26px;height:26px;margin-top:2px;border-radius:8px;background:var(--brand-weak);color:var(--brand);display:flex;align-items:center;justify-content:center}.msg-body{flex:1;min-width:0}.msg-card{border:1px solid var(--border);border-radius:10px;background:var(--surface);padding:11px 13px;box-shadow:var(--sh-1)}.msg-card.is-receipt{background:var(--surface-3)}.msg-card.is-error{border-color:var(--danger-line);background:var(--danger-surface)}.msg-receipt{display:flex;gap:8px;align-items:flex-start}.msg-receipt-icon{flex:0 0 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var(--border);display:flex;flex-direction:column;gap:5px;font-size:10.5px;color:var(--text-3)}.mobile-sheet-conn{display:inline-flex;align-items:center;gap:5px}.cf-mobile-tabs{display:flex;align-items:center;gap:4px;padding:5px 8px;border-bottom:1px solid var(--border);background:var(--surface)}.cf-mobile-tabs button{flex:1;height:30px;border:1px solid transparent;border-radius:7px;background:transparent;color:var(--text-3);font-size:12px}.cf-mobile-tabs button.is-active{background:var(--brand-weak);border-color:var(--brand-line);color:var(--brand);font-weight:500}.app-shell.is-mobile .confirm-split .cf-body{flex-direction:column}.app-shell.is-mobile .confirm-split .cf-left{flex:1;border-right:0;padding-right:0}.app-shell.is-mobile .confirm-split .cf-right{display:none;flex:1;min-height:0}.app-shell.is-mobile .confirm-split .cf-body.is-mobile-pdf .cf-left{display:none}.app-shell.is-mobile .confirm-split .cf-body.is-mobile-pdf .cf-right{display:flex}.app-shell.is-mobile .confirm-split 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.chat-task-btn{position:relative}.chat-task-badge,.chat-results-count{position:absolute;top:1px;right:1px;min-width:13px;height:13px;padding:0 3px;border-radius:999px;background:var(--brand);color:var(--white);font-size:8px;line-height:13px;text-align:center;box-shadow:0 0 0 1.5px var(--surface)}.chat-results-layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:115}.chat-results-pop{position:absolute;top:calc(46px + env(safe-area-inset-top));left:8px;right:8px;max-height:58dvh;overflow-y:auto;padding:6px;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--sh-3)}.chat-results-head{display:flex;align-items:center;gap:8px;height:38px;padding:0 7px}.chat-results-head strong{flex:1;font-size:13px;font-weight:600}.chat-results-head button{width:30px;height:30px;padding:0;border:0;border-radius:7px;background:transparent;color:var(--text-3);display:inline-flex;align-items:center;justify-content:center}.chat-results-head 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.voice-hold.is-busy{color:var(--text-3)}.app-shell.is-mobile .voice-draft{margin-bottom:6px;padding:8px 10px;border:1px solid var(--border);border-radius:10px;background:var(--surface);display:flex;flex-direction:column;gap:6px}.voice-draft-text{font-size:14px;line-height:1.55;color:var(--text);max-height:120px;overflow-y:auto}.voice-draft-actions{display:flex;justify-content:flex-end;gap:6px}.voice-draft-actions button{height:28px;padding:0 12px;border:1px solid var(--border-strong);border-radius:6px;background:var(--surface);color:var(--text-2);font-size:12px}.voice-draft-actions button.is-primary{background:var(--brand);border-color:var(--brand);color:var(--white)}.app-shell.is-mobile .composer-main .composer-plus{order:3;display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;border:1px solid var(--border);border-radius:50%;background:var(--surface);color:var(--text-2);flex:none}.app-shell.is-mobile .composer-main .composer-plus.is-active{background:var(--brand-weak);border-color:var(--brand-line);color:var(--brand)}.app-shell.is-mobile .composer-main .composer-send{order:4;flex:none;height:34px;padding:0 10px}.app-shell.is-mobile .composer-main .composer-attach,.app-shell.is-mobile .composer-main .composer-hint,.app-shell.is-mobile .composer-main .composer-bar>.spacer{display:none}.app-shell.is-mobile .composer-main .composer-files{padding-bottom:2px}.composer-plus-layer{display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:130;background:transparent}.composer-plus-menu{position:fixed;right:12px;bottom:calc(env(safe-area-inset-bottom) + 64px);min-width:154px;padding:5px;z-index:131;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--sh-3)}.composer-plus-menu button{width:100%;height:42px;padding:0 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0;font-size:11px;color:var(--text-3)}.vault-body{flex:1;min-height:0;display:flex;container-type:inline-size}.vault-side{flex:0 0 39%;min-width:240px;max-width:430px;min-height:0;display:flex;flex-direction:column;border-right:1px solid var(--border);background:var(--surface)}.vault-side-head{flex:0 0 auto;padding:8px 10px 6px;border-bottom:1px solid var(--border)}.vault-search{position:relative;display:flex;align-items:center}.vault-search>svg{position:absolute;left:8px;color:var(--text-3);pointer-events:none}.vault-search input{width:100%;height:28px;padding:0 26px 0 27px;border:1px solid var(--border);border-radius:6px;background:var(--surface-2);font-size:12px;outline:none}.vault-search 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var(--danger-border);border-radius:5px;background:var(--surface);color:var(--danger);font-size:11px}.vault-preview{flex:1;min-width:0;min-height:0;display:flex;flex-direction:column;background:var(--bg)}.vault-preview-empty{justify-content:center}.vault-preview-bar{flex:0 0 auto;display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--surface);border-bottom:1px solid var(--border)}.vault-preview-back{display:none;width:26px;height:26px;flex:none;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--text-2)}.vault-preview-back:hover{background:var(--surface-2);color:var(--text)}.vault-preview-icon{width:26px;height:26px;flex:none;border-radius:7px;display:flex;align-items:center;justify-content:center;background:var(--surface-2);color:var(--text-2)}.vault-preview-head{flex:1;min-width:0}.vault-file-name{font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.vault-file-path{margin-top:1px;font-size:10.5px;color:var(--text-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.vault-preview-actions{display:flex;align-items:center;gap:4px;flex:none}.vault-icon-action,.vault-action{height:26px;display:inline-flex;align-items:center;gap:4px;padding:0 7px;border:1px solid var(--border-strong);border-radius:6px;background:var(--surface);color:var(--text-2);font-size:11.5px;text-decoration:none}.vault-icon-action{width:26px;padding:0;justify-content:center}.vault-icon-action:hover,.vault-action:hover{background:var(--surface-3);color:var(--text);text-decoration:none}.vault-action.is-primary{background:var(--brand);border-color:var(--brand);color:var(--white)}.vault-action.is-primary:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:var(--white)}.vault-preview-body{flex:1;min-height:0;overflow:auto;display:flex;flex-direction:column}.vault-preview-body.is-pdf{overflow:hidden}.vault-doc{width:min(860px,calc(100% - 32px));margin:16px auto 28px;padding:24px 28px 30px;background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:var(--sh-1)}.vault-props{display:grid;grid-template-columns:96px minmax(0,1fr);gap:5px 10px;margin:0 0 16px;padding:10px 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var(--border);background:var(--surface-2);font-size:10.5px;color:var(--text-3);text-transform:uppercase;letter-spacing:.04em}.vault-code-bar button{margin-left:auto;padding:2px 4px;border:0;background:transparent;color:var(--text-3);font-size:10.5px}.vault-code-bar button:hover{color:var(--brand)}.vault-code pre{margin:0;padding:12px 14px;font-family:var(--font-mono);font-size:12px;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere;-moz-tab-size:2;tab-size:2}.vault-code pre.is-zoom{font-size:13.5px}.vault-table-wrap{flex:1;min-height:0;display:flex;flex-direction:column;margin:12px;background:var(--surface);border:1px solid var(--border);border-radius:8px;overflow:hidden}.vault-table-bar{display:flex;align-items:center;gap:8px;padding:5px 10px;border-bottom:1px solid var(--border);background:var(--surface-2);font-size:10.5px;color:var(--text-3);white-space:nowrap;overflow:hidden}.vault-table-bar span{overflow:hidden;text-overflow:ellipsis}.vault-table-bar button{margin-left:auto;padding:2px 4px;border:0;background:transparent;color:var(--brand);font-size:10.5px}.vault-table-scroll{flex:1;min-height:0;overflow:auto}.vault-table-scroll table{border-collapse:collapse;width:max-content;min-width:100%;font-size:11.5px}.vault-table-scroll th,.vault-table-scroll td{border:1px solid var(--border);padding:4px 8px;text-align:left;max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.vault-table-scroll th{position:sticky;top:0;z-index:1;background:var(--surface-2);font-weight:600}.vault-table-scroll tr:nth-child(2n) td{background:var(--surface-3)}.vault-raw{flex:1;min-height:0;margin:0;padding:12px 14px;font-family:var(--font-mono);font-size:12px;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere;overflow:auto}.vault-image{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;padding:20px}.vault-image img{max-width:100%;max-height:100%;object-fit:contain;background:var(--white);border-radius:4px;box-shadow:var(--sh-2)}.vault-pdf-wrap{flex:1;min-height:0;display:flex;background:var(--pdf-bg)}.vault-pdf{flex:1;width:100%;min-height:0;border:0;display:block;background:var(--white)}.vault-meta-card{max-width:460px;margin:28px auto;padding:22px;background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:var(--sh-1)}.vault-meta-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--brand-weak);color:var(--brand)}.vault-meta-card h3{margin:12px 0 6px;font-size:14px;overflow-wrap:anywhere}.vault-meta-card .tip{margin:0 0 12px;font-size:12px;line-height:1.7;color:var(--text-3)}.vault-meta{display:grid;grid-template-columns:74px minmax(0,1fr);gap:5px 10px;margin:0 0 14px;padding-top:12px;border-top:1px solid var(--border);font-size:11.5px}.vault-meta dt{color:var(--text-3)}.vault-meta dd{margin:0;color:var(--text-2);overflow-wrap:anywhere}@container (max-width: 680px){.vault-side{flex:1 1 auto;min-width:0;max-width:none;border-right:0}.vault-browser.has-preview .vault-side{display:none}.vault-browser:not(.has-preview) .vault-preview{display:none}.vault-preview-back{display:inline-flex}}