:root{color-scheme:light;font-family:Manrope,PingFang SC,Hiragino Sans GB,Source Han Sans SC,sans-serif;--bg: #eef4fb;--bg-soft: #f6f7f2;--surface: #ffffff;--surface-soft: #f7f9fb;--surface-muted: #eef2f6;--surface-elevated: rgba(255, 255, 255, .8);--panel: rgba(255, 255, 255, .92);--text: #121212;--text-strong: #090909;--text-muted: #66645f;--text-faint: #92908b;--border: rgba(17, 17, 17, .08);--border-strong: rgba(17, 17, 17, .16);--shadow: 0 22px 60px rgba(17, 17, 17, .08);--shadow-soft: 0 10px 30px rgba(17, 17, 17, .06);--accent: #111111;--accent-soft: rgba(17, 17, 17, .06);--accent-green: #10a37f;--tab-muted: #d7e3ef;--tab-active: #fbfcfe;--assistant-bg: #ffffff;--user-bg: #f2f4f7;--internal-bg: #f2f3f4;--preview-stage-height: calc(100vh - 156px) ;--preview-stage-height: calc(100dvh - 156px) }*{box-sizing:border-box}html,body,#app{min-height:100%;margin:0}body{color:var(--text);background:radial-gradient(circle at top,rgba(16,163,127,.06),transparent 24%),radial-gradient(circle at bottom,rgba(245,239,227,.88),transparent 30%),linear-gradient(180deg,#edf3f8,#f1f5f7 42%,#f5f3ed)}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;background-image:linear-gradient(rgba(17,17,17,.018) 1px,transparent 1px);background-size:100% 42px;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.18),transparent 48%);mask-image:linear-gradient(180deg,rgba(0,0,0,.18),transparent 48%)}button,input,textarea{font:inherit}a{color:inherit}.home-shell,.preview-shell{max-width:1580px;margin:0 auto;padding:22px}.preview-shell{max-width:1660px;padding:18px 18px 16px;--preview-stage-height: min(980px, calc(100vh - 96px) );--preview-stage-height: min(980px, calc(100dvh - 96px) )}.topbar-shell{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:2px 4px 18px}.preview-topbar{padding-bottom:10px}.brand-lockup{display:flex;align-items:center;gap:16px;min-width:0}.brand-mark{width:42px;height:42px;flex-shrink:0;display:grid;place-items:center;border-radius:14px;border:1px solid var(--border);background:#ffffffc7;box-shadow:var(--shadow-soft);font-size:16px}.section-kicker{margin:0 0 6px;color:var(--text-faint);font-size:11px;letter-spacing:.18em;text-transform:uppercase}.topbar-actions{display:flex;align-items:center;flex-wrap:wrap;justify-content:flex-end;gap:12px}.topbar-chip{display:inline-flex;align-items:center;min-height:42px;padding:0 16px;border-radius:999px;border:1px solid var(--border);background:#ffffffad;color:var(--text-muted);font-size:13px;white-space:nowrap;max-width:220px;overflow:hidden;text-overflow:ellipsis}.home-stage{display:flex;flex-direction:column;gap:18px}.import-hero,.filing-board,.sidebar-shell,.chat-shell{border:1px solid var(--border);background:var(--surface-elevated);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:var(--shadow)}.import-hero{display:grid;gap:30px;justify-items:center;padding:clamp(22px,3.2vw,36px);min-height:calc(100vh - 130px);border-radius:34px;background:linear-gradient(180deg,#ffffffc7,#ffffffbd),radial-gradient(circle at top,rgba(16,163,127,.09),transparent 25%)}.home-copy{width:min(100%,980px);text-align:center}.home-copy h1,.sidebar-header h2,.reader-topline h2,.empty-stage-copy h2,.workspace-manager-header h2{margin:0;color:var(--text-strong);line-height:1.05;letter-spacing:-.05em}.home-copy h1{font-size:clamp(1.65rem,5.8vw,4.8rem);white-space:nowrap}.home-description,.workspace-note,.chat-preview,.workspace-manager-copy,.empty-stage-copy p{margin:12px auto 0;color:var(--text-muted);font-size:14px;line-height:1.72}.format-row,.sidebar-chip-row,.chat-meta-row{display:flex;flex-wrap:wrap;gap:8px}.format-row{justify-content:center;margin-top:18px}.summary-pill,.meta-badge,.source-badge{display:inline-flex;align-items:center;min-height:32px;padding:0 12px;border-radius:999px;background:#1111110b;color:var(--text-muted);font-size:12px;line-height:1}.source-badge{background:#10a37f1c;color:var(--text)}.import-panel{width:min(100%,960px)}.upload-dropzone{min-height:clamp(320px,40vw,420px);display:grid;place-items:center;padding:clamp(24px,4vw,42px);border-radius:34px;border:1px solid var(--border);background:linear-gradient(180deg,#11111108,#11111103),#ffffffc7;box-shadow:inset 0 0 0 1px #ffffff6b,0 8px 30px #1111110a;cursor:default;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.upload-dropzone.is-dragover{transform:translateY(-2px);border-color:var(--border-strong);box-shadow:inset 0 0 0 1px #ffffff80,0 16px 44px #1111110f}.upload-dropzone.is-importing,.upload-dropzone.is-importing:hover{cursor:default;transform:none}.upload-illustration{width:clamp(78px,12vw,96px);height:clamp(78px,12vw,96px);margin:0 auto 18px;display:grid;place-items:center;border-radius:28px;background:#111111e6;color:#fff;box-shadow:0 16px 36px #11111124;font-size:clamp(28px,4.8vw,40px)}.upload-illustration.loading{animation:pulse-spin 1.2s linear infinite}.upload-dropzone h2{margin:0;text-align:center;font-size:clamp(1.5rem,2.6vw,2.2rem);line-height:1.15}.upload-dropzone p{margin:12px auto 0;max-width:34ch;text-align:center;color:var(--text-muted);line-height:1.72}.dropzone-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:22px}.dropzone-mini-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 16px;margin-top:18px;color:var(--text-muted);font-size:13px}.dropzone-mini-meta span{display:inline-flex;align-items:center;gap:8px}.local-note,.progress-tip{display:inline-flex;align-items:center;justify-content:center;gap:10px;margin-top:18px;color:var(--text-muted);font-size:13px;text-align:center}.export-guide-card{width:min(100%,720px);margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border:1px solid rgba(17,17,17,.08);border-radius:22px;background:linear-gradient(180deg,#ffffffe0,#ffffffc2),radial-gradient(circle at left,rgba(16,163,127,.06),transparent 38%);text-align:left}.export-guide-text{min-width:0;color:var(--text-muted);font-size:13px;line-height:1.5;white-space:nowrap}.export-guide-link{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 14px;border-radius:999px;border:1px solid #111111;background:#111;color:#fff;font-size:13px;font-weight:600;text-decoration:none;transition:transform .18s ease,background .18s ease,border-color .18s ease}.export-guide-link:hover{transform:translateY(-1px);background:#242424;border-color:#242424}.recent-directory-row{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:18px}.recent-directory-label{display:inline-flex;align-items:center;color:var(--text-faint);font-size:12px}.recent-directory-chip{display:inline-flex;align-items:center;min-height:34px;padding:0 12px;border:1px solid var(--border);border-radius:999px;background:#fffc;color:var(--text);cursor:pointer;transition:border-color .18s ease,transform .18s ease}.recent-directory-chip:hover{transform:translateY(-1px);border-color:var(--border-strong)}.recent-directory-chip.primary{background:#111;border-color:#111;color:#fff}.upload-progress-state{width:min(100%,680px)}.progress-meta{display:flex;justify-content:space-between;gap:12px;margin-top:10px;color:var(--text-faint);font-size:13px}.hidden-input{display:none}.folder-tab-row{display:flex;align-items:flex-end;gap:10px;padding:0 14px;margin:0 0 -1px}.folder-tab{min-width:196px;display:flex;flex-direction:column;gap:5px;padding:14px 26px 13px;border:1px solid rgba(17,17,17,.08);border-bottom:0;background:var(--tab-muted);color:#111111d6;cursor:pointer;clip-path:polygon(12px 0,calc(100% - 12px) 0,100% 100%,0 100%);transition:transform .18s ease,background .18s ease,color .18s ease}.folder-tab:hover{transform:translateY(-1px)}.folder-tab.active{background:var(--tab-active);color:var(--text);transform:translateY(-2px);box-shadow:0 -10px 30px #1111110a}.folder-tab-title{font-size:15px;font-weight:700}.folder-tab-subtitle{display:block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#11111194;font-size:12px}.filing-board{min-height:var(--preview-stage-height);border-radius:0 28px 28px;overflow:hidden;background:linear-gradient(180deg,#fffffff7,#f9faf7f5 54%,#f4f1eaf5),radial-gradient(circle at top,rgba(16,163,127,.05),transparent 22%),radial-gradient(circle at bottom right,rgba(214,225,235,.42),transparent 30%)}.workspace-layout{display:grid;grid-template-columns:304px minmax(0,1fr);min-height:var(--preview-stage-height);max-height:var(--preview-stage-height)}.sidebar-shell{display:flex;flex-direction:column;gap:14px;border:0;border-right:1px solid var(--border-strong);border-radius:0;box-shadow:none;background:#ffffff75;overflow:hidden}.filing-sidebar{padding:18px;max-height:var(--preview-stage-height)}.sidebar-header,.reader-topline{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.sidebar-header h2,.reader-topline h2,.workspace-manager-header h2,.empty-stage-copy h2{font-size:clamp(1.8rem,2vw,2.8rem)}.sidebar-header h2{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.icon-help{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;border:1px solid var(--border);background:#ffffffb3;color:var(--text-muted);cursor:pointer}.icon-help{width:34px;height:34px;flex-shrink:0}.inline-help{color:var(--text-faint)}.import-summary{margin:0;color:var(--text-muted);font-size:13px;line-height:1.68;display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2}.conversation-list{display:flex;flex-direction:column;gap:8px;flex:1;min-height:0;overflow:auto;padding-right:6px}.note-list{margin-top:2px}.conversation-item{width:100%;border:1px solid transparent;border-radius:18px;padding:14px 14px 14px 16px;background:#ffffff6b;text-align:left;cursor:pointer;transition:transform .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease}.conversation-item:hover,.conversation-item.active{transform:translateY(-1px);border-color:#1111111a;background:#ffffffeb;box-shadow:0 12px 24px #1111110d}.note-item-time{color:var(--text-faint);font-size:12px}.conversation-item-top{display:flex;justify-content:space-between;align-items:center;gap:12px}.note-item-count{flex-shrink:0;display:inline-flex;align-items:center;min-height:24px;padding:0 8px;border-radius:999px;background:#1111110d;color:var(--text-faint);font-size:11px}.note-item-title{margin:8px 0 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:15px;line-height:1.35;color:var(--text)}.reader-shell{min-width:0;min-height:100%;max-height:var(--preview-stage-height);display:flex;flex-direction:column;gap:0;padding:20px 24px 18px;border:0;border-radius:0;box-shadow:none;background:transparent;overflow:hidden}.reader-header{display:flex;flex-direction:column;gap:10px;padding-bottom:14px;border-bottom:1px solid var(--border-strong)}.reader-meta-line{color:var(--text-faint);font-size:12px;margin-bottom:0}.chat-header-copy{min-width:0}.reader-topline h2{font-size:clamp(1.35rem,1.7vw,1.85rem);line-height:1.08}.chat-preview{max-width:64ch;margin-top:8px;font-size:13px;line-height:1.58;display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2}.chat-meta-row{display:none;margin-top:16px;color:var(--text-faint);font-size:13px}.chat-header-controls{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:8px}.reader-status-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.reader-mode-pill{display:inline-flex;align-items:center;flex-wrap:wrap;gap:8px;min-height:34px;max-width:100%;padding:6px 12px;border-radius:999px;border:1px solid rgba(17,17,17,.08);background:#fffc;color:var(--text-muted);font-size:11px;line-height:1.35}.reader-status-row .summary-pill{min-height:34px;padding:0 12px;border:1px solid rgba(17,17,17,.06);background:#ffffffad;max-width:min(100%,320px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px}.toggle-wrap{display:inline-flex;align-items:center;gap:8px;min-height:36px;padding:0 12px;border-radius:999px;border:1px solid var(--border);background:#ffffffbd;color:var(--text-muted);font-size:12px}.thread-shell{display:flex;flex-direction:column;gap:14px;flex:1;min-height:0;padding-top:18px;overflow:auto;padding-right:6px}.conversation-list,.thread-shell{scrollbar-width:thin;scrollbar-color:rgba(17,17,17,.22) transparent}.conversation-list::-webkit-scrollbar,.thread-shell::-webkit-scrollbar{width:6px;height:6px}.conversation-list::-webkit-scrollbar-track,.thread-shell::-webkit-scrollbar-track{background:transparent}.conversation-list::-webkit-scrollbar-thumb,.thread-shell::-webkit-scrollbar-thumb{background:#1111112e;border-radius:999px}.conversation-list::-webkit-scrollbar-thumb:hover,.thread-shell::-webkit-scrollbar-thumb:hover{background:#11111147}.chat-thread{display:flex;flex-direction:column;gap:0}.chat-row{display:flex;gap:14px;align-items:flex-start;width:100%;max-width:960px;margin:0 auto;padding:18px 0}.chat-row+.chat-row{border-top:1px solid rgba(17,17,17,.05)}.chat-row.is-user{justify-content:flex-end}.chat-row.is-user .chat-main{order:1;width:min(100%,720px);display:flex;flex-direction:column;align-items:flex-end}.chat-row.is-user .chat-avatar{order:2;margin-top:2px}.chat-avatar{width:36px;height:36px;flex-shrink:0;display:grid;place-items:center;border-radius:12px;border:1px solid var(--border);background:#111;color:#fff;font-size:12px;font-weight:700}.chat-avatar.user{background:#11111114;color:var(--text)}.chat-avatar.internal{background:#ededed;color:var(--text-muted)}.chat-main{width:min(100%,860px);min-width:0}.chat-meta{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}.chat-row.is-user .chat-meta{width:100%;justify-content:flex-end;gap:8px;margin-bottom:6px}.chat-author-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px;min-width:0}.chat-author-line strong{font-size:14px}.chat-row.is-user .chat-author-line{justify-content:flex-end;text-align:right}.chat-row.is-user .chat-time{order:-1}.chat-type-badge{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:999px;background:#1111110d;color:var(--text-muted);font-size:12px}.chat-time{flex-shrink:0;color:var(--text-faint);font-size:12px}.chat-bubble{min-width:0;padding:18px 20px;border-radius:24px;border:1px solid var(--border);background:var(--assistant-bg);box-shadow:0 1px #11111105}.chat-row.is-user .chat-bubble{background:var(--user-bg);border-color:transparent}.chat-row.is-internal .chat-bubble{background:var(--internal-bg)}.note-panel,.asset-panel{padding:14px 16px;border-radius:18px;border:1px dashed var(--border-strong);background:var(--surface-soft);color:var(--text-muted)}.asset-panel h4{margin:8px 0 10px;color:var(--text);font-size:15px}.asset-panel p{margin:0;font-size:13px;overflow-wrap:anywhere}.asset-eyebrow{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-green)}.asset-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px;font-size:12px}.markdown-body{color:var(--text);font-size:15px;line-height:1.82}.markdown-body,.markdown-body p,.markdown-body li,.markdown-body blockquote,.markdown-body td,.markdown-body th,.markdown-body a{overflow-wrap:anywhere}.markdown-body>*:first-child{margin-top:0}.markdown-body>*:last-child{margin-bottom:0}.markdown-body h1,.markdown-body h2,.markdown-body h3{line-height:1.24;letter-spacing:-.02em}.markdown-body blockquote{margin:1.2em 0;padding:12px 16px;border-left:3px solid rgba(17,17,17,.18);border-radius:0 14px 14px 0;background:#f7f7f7;color:var(--text-muted)}.markdown-body table{display:block;width:100%;margin:1.1em 0;overflow-x:auto;border-collapse:collapse}.markdown-body th,.markdown-body td{min-width:120px;padding:10px 12px;border:1px solid rgba(17,17,17,.1);text-align:left}.markdown-body th{background:#f6f6f6}.markdown-body :not(pre)>code{padding:.2em .5em;border-radius:8px;background:#f1f3f5;font-size:.95em}.markdown-body pre{padding:16px;border-radius:18px;border:1px solid rgba(17,17,17,.08);background:#0f1114;color:#f8fafc;overflow-x:auto}.markdown-body pre code{white-space:pre;color:inherit}.composer-dot{width:8px;height:8px;border-radius:999px;background:var(--accent-green)}.composer-divider{width:1px;height:14px;background:var(--border)}.empty-stage{min-height:54vh;display:grid;place-items:center;text-align:center}.empty-stage-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:20px}.workspace-manager-shell{display:flex;flex-direction:column;gap:28px;min-height:var(--preview-stage-height);padding:24px}.workspace-manager-header{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;padding-bottom:20px;border-bottom:1px solid var(--border-strong)}.workspace-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.workspace-card{min-height:250px;display:flex;flex-direction:column;gap:14px;padding:24px;border-radius:24px;border:1px solid var(--border-strong);background:#ffffff9e;text-align:left;cursor:pointer;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.workspace-card:hover,.workspace-card.active{transform:translateY(-2px);border-color:#11111142;box-shadow:var(--shadow-soft)}.workspace-card.is-default{background:#ffffffb8}.workspace-card-ghost{border-style:dashed;color:var(--text-muted)}.workspace-card-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:14px;border:1px solid var(--border);background:#ffffffb8;font-size:22px}.workspace-card-icon.ghost{color:var(--text-faint);font-size:24px}.workspace-card-copy{display:flex;flex-direction:column;gap:6px}.workspace-card-copy strong{font-size:16px;line-height:1.35;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.workspace-card-copy span,.workspace-card-metrics,.workspace-card-footer{color:var(--text-faint);font-size:13px}.workspace-card-metrics,.workspace-card-footer{display:flex;justify-content:space-between;gap:12px}.workspace-progress{margin-top:auto;width:100%;height:6px;overflow:hidden;border-radius:999px;background:#11111114}.workspace-progress-fill{height:100%;border-radius:inherit;background:#111}.ant-btn{min-height:44px;height:auto;padding-inline:18px;border-radius:999px;box-shadow:none}.ant-btn-primary{background:#111;border-color:#111}.ant-btn-primary:hover,.ant-btn-primary:focus{background:#242424;border-color:#242424}.ant-btn-default{background:#ffffffb8;border-color:var(--border);color:var(--text)}.ant-btn-default:hover,.ant-btn-default:focus{border-color:var(--border-strong);color:var(--text)}.ant-input-affix-wrapper,.ant-input{min-height:44px;border-radius:16px;border-color:var(--border);background:#ffffffc2;box-shadow:none}.ant-input-affix-wrapper:hover,.ant-input-affix-wrapper:focus,.ant-input-affix-wrapper-focused,.ant-input:hover,.ant-input:focus{border-color:var(--border-strong);box-shadow:none}.ant-switch.ant-switch-checked{background:#111}.ant-alert{border-radius:18px;border:1px solid rgba(250,173,20,.28);background:#fffbebeb}.compact-import-alert .ant-alert-content{min-width:0}.compact-import-alert .ant-alert-message{margin-bottom:4px}.compact-import-alert .ant-alert-description{display:-webkit-box;overflow:hidden;color:var(--text-muted);font-size:13px;line-height:1.55;-webkit-box-orient:vertical;-webkit-line-clamp:2}@keyframes pulse-spin{0%{transform:rotate(0) scale(1)}50%{transform:rotate(180deg) scale(1.04)}to{transform:rotate(360deg) scale(1)}}@media(max-width:1280px){.workspace-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:1100px){.workspace-layout{grid-template-columns:280px minmax(0,1fr)}.reader-shell{padding-inline:22px}.reader-topline h2{font-size:clamp(1.28rem,2vw,1.7rem)}}@media(max-width:980px){.home-shell,.preview-shell{padding:18px}.topbar-shell,.workspace-manager-header,.reader-topline{flex-direction:column;align-items:flex-start}.topbar-actions,.chat-header-controls{justify-content:flex-start}.workspace-layout{grid-template-columns:minmax(0,1fr);min-height:auto;max-height:none}.sidebar-shell{border-right:0;border-bottom:1px solid var(--border-strong)}.reader-shell,.workspace-manager-shell{min-height:auto;max-height:none}.workspace-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:720px){.home-shell,.preview-shell{padding:14px}.import-hero{min-height:auto;border-radius:28px}.home-copy h1{font-size:clamp(1.18rem,7vw,2.2rem)}.upload-dropzone{border-radius:28px}.dropzone-actions .ant-btn{width:100%;justify-content:center}.export-guide-card{flex-direction:column;align-items:stretch}.export-guide-text{white-space:normal}.export-guide-link{width:100%}.folder-tab-row{padding:0 10px;gap:8px}.folder-tab{min-width:0;flex:1 1 0;padding-inline:18px}.filing-board{border-radius:0 22px 22px}.reader-shell,.workspace-manager-shell{padding:18px}.reader-mode-pill,.reader-status-row .summary-pill{max-width:100%}.chat-row{gap:10px}.chat-avatar{width:32px;height:32px}.chat-row.is-user .chat-main{width:min(100%,100%)}.chat-bubble{padding:16px;border-radius:20px}.workspace-grid{grid-template-columns:minmax(0,1fr)}}@media(max-width:540px){.brand-lockup{align-items:flex-start}.folder-tab-row{flex-direction:column;align-items:stretch;padding:0}.folder-tab{clip-path:none;border-radius:18px 18px 0 0}.filing-board{border-radius:22px}.filing-sidebar{padding:16px}.conversation-item{padding-inline:14px}.chat-meta,.progress-meta,.workspace-card-metrics,.workspace-card-footer{flex-direction:column;align-items:flex-start}.chat-row.is-user .chat-meta{align-items:flex-end}.chat-row.is-user .chat-author-line{width:100%}.reader-mode-pill{width:100%;justify-content:flex-start;border-radius:22px}}