:root{--sw-bg: #faf8f4;--sw-bg-soft: #f7f4ef;--sw-panel: #fffdf9;--sw-panel-muted: #f2ede6;--sw-panel-strong: #e8e2d9;--sw-text: #1c1917;--sw-text-muted: #78716c;--sw-text-faint: #a8a29e;--sw-brand: #4f46e5;--sw-brand-soft: #eef2ff;--sw-green-soft: #ecfdf5;--sw-blue-soft: #eff6ff;--sw-red-soft: #fef2f2;--sw-shadow: 0 18px 45px rgba(28, 25, 23, .08);--sw-shadow-soft: 0 8px 24px rgba(28, 25, 23, .06);font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,system-ui,sans-serif;color:var(--sw-text);background:var(--sw-bg)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:var(--sw-bg)}button{font:inherit}.shell{min-height:100vh;background:radial-gradient(circle at 8% 0%,rgba(79,70,229,.12),transparent 28rem),radial-gradient(circle at 82% 12%,rgba(5,150,105,.12),transparent 26rem),linear-gradient(180deg,var(--sw-bg),#f6f1e9 100%);overflow:auto}.frame{min-height:100vh;padding:24px}.app{min-height:calc(100vh - 48px);border:1px solid rgba(120,113,108,.14);border-radius:24px;background:#faf8f4e6;box-shadow:var(--sw-shadow);overflow:hidden}.topbar{display:flex;align-items:center;gap:16px;min-height:62px;padding:0 22px;background:#fffdf9db;border-bottom:1px solid rgba(28,25,23,.08);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:10px;min-width:160px}.brand-button{border:0;color:inherit;background:transparent;text-align:left;cursor:pointer;transition:transform .16s ease,opacity .16s ease}.brand-button:hover{transform:translate(-2px)}.brand-button:active{opacity:.72}.logo{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;color:#fff;background:linear-gradient(135deg,var(--sw-brand),#7c3aed);box-shadow:0 9px 18px #4f46e542}.brand-text{display:flex;flex-direction:column;line-height:1.1}.brand-title{font-size:16px;font-weight:800}.brand-sub{margin-top:3px;font-size:11px;color:var(--sw-text-faint)}.search{display:flex;align-items:center;gap:8px;width:min(34vw,340px);height:38px;padding:0 14px;border-radius:999px;background:var(--sw-panel-muted);color:var(--sw-text-faint);box-shadow:inset 0 1px 4px #1c19170f}.search-button{border:0;cursor:pointer;text-align:left}.search span{overflow:hidden;font-size:13px;white-space:nowrap;text-overflow:ellipsis}.top-actions{display:flex;align-items:center;gap:10px;margin-left:auto}.pill,.button,.ghost-button,.icon-button,.tab,.source-check,.format-button,.action-pill{border:0;font:inherit}.pill{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:0 14px;border-radius:999px;background:var(--sw-panel-muted);color:var(--sw-text-muted);font-size:12px;font-weight:600;white-space:nowrap}.pill-button{border:0;cursor:pointer}.pill-strong{color:var(--sw-brand);background:var(--sw-brand-soft)}.avatar{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;color:#fff;background:linear-gradient(135deg,#6366f1,#8b5cf6);box-shadow:0 8px 16px #6366f140;font-size:12px;font-weight:800}.avatar-button{border:0;cursor:pointer}.home-frame{height:100vh;padding:0;overflow:hidden}.home-frame .app{height:100vh;min-height:0;border-radius:0;border:0;box-shadow:none;overflow:hidden}.kb-layout{display:grid;grid-template-columns:250px minmax(0,1fr);height:calc(100vh - 62px);min-height:0;overflow:hidden}.kb-sidebar{display:flex;flex-direction:column;height:calc(100vh - 62px);min-height:0;padding:12px 10px 10px;overflow:hidden;background:#e8e2d9b8;border-right:1px solid rgba(28,25,23,.08)}.kb-sidebar-scroll{flex:1;min-height:0;overflow:auto}.kb-create-button,.kb-hero-create{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;color:#fff;background:#1c1917;box-shadow:0 9px 20px #1c19173d;font-weight:900;cursor:pointer}.kb-create-button{width:100%;min-height:40px;border-radius:11px;font-size:14px}.kb-sidebar-search{display:flex;align-items:center;gap:8px;width:100%;min-height:36px;margin:10px 0;padding:0 12px;border:0;border-radius:11px;color:var(--sw-text-faint);background:#fffdf994;font-size:13px;cursor:pointer}.kb-nav{display:flex;flex-direction:column;gap:7px;margin-bottom:10px}.kb-nav-item{display:grid;grid-template-columns:14px minmax(0,1fr) 16px;align-items:center;gap:9px;min-height:36px;padding:0 10px;border:0;border-radius:10px;color:var(--sw-text-muted);background:transparent;text-align:left;font-size:14px;font-weight:850;cursor:pointer}.kb-nav-item>span,.kb-mini-item>span{width:10px;height:10px;border-radius:999px;background:#d6d3d1}.kb-nav-item.active{color:var(--sw-text);background:#fffdf9eb;box-shadow:0 8px 22px #1c191714}.kb-nav-item.active>span{background:var(--sw-brand);box-shadow:0 0 0 4px #4f46e521}.kb-mini-list{max-height:clamp(172px,36vh,330px);overflow:auto;padding:11px 8px;border-radius:8px;background:#faf8f49e}.kb-mini-title{margin-bottom:9px;color:var(--sw-text-faint);font-size:12px;font-weight:900}.kb-mini-item{display:grid;grid-template-columns:10px minmax(0,1fr) 28px;align-items:center;gap:10px;width:100%;min-height:32px;padding:0 4px;border:0;color:#57534e;background:transparent;text-align:left;cursor:pointer}.kb-mini-item strong{overflow:hidden;font-size:13px;white-space:nowrap;text-overflow:ellipsis}.kb-mini-item em{color:var(--sw-text-faint);font-size:12px;font-style:normal;text-align:right}.kb-sidebar-bottom{flex-shrink:0;padding-top:10px}.kb-legal-menu{display:grid;gap:2px;margin-bottom:8px;padding:7px;border-radius:8px;background:#faf8f48a}.kb-legal-menu button,.kb-me-button{border:0;background:transparent;cursor:pointer}.kb-legal-menu button{display:flex;align-items:center;gap:8px;min-height:27px;padding:0 6px;border-radius:7px;color:#78716c;font-size:12px;font-weight:760;text-align:left}.kb-legal-menu button:hover{color:var(--sw-text);background:#fffdf9d1}.kb-me-button{display:grid;grid-template-columns:34px minmax(0,1fr) 16px;align-items:center;gap:9px;width:100%;min-height:42px;padding:6px 8px;border-radius:10px;color:var(--sw-text);background:#fffdf9e6;box-shadow:0 8px 18px #1c191714;text-align:left}.kb-me-avatar{display:grid;place-items:center;width:34px;height:34px;border-radius:999px;color:#fff;background:#1c1917;font-size:13px;font-weight:900}.kb-me-button strong,.kb-me-button em{display:block;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.kb-me-button strong{font-size:13px;font-weight:900}.kb-me-button em{margin-top:2px;color:var(--sw-text-faint);font-size:11px;font-style:normal;font-weight:700}.kb-home-main{display:flex;flex-direction:column;min-width:0;min-height:0;height:100%;overflow:hidden;padding:22px 26px 18px;background:linear-gradient(180deg,#faf8f4,#f6f1e9)}.kb-hero-panel{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-shrink:0;min-height:94px;margin-bottom:8px;padding:20px 26px;border-radius:18px;background:#fffdf9e0;box-shadow:var(--sw-shadow-soft)}.kb-hero-panel h1{margin:0 0 8px;color:var(--sw-text);font-size:23px;font-weight:950}.kb-hero-panel p{margin:0;color:#9ca3af;font-size:14px;font-weight:650}.kb-hero-create{min-height:44px;padding:0 24px;border-radius:12px}.kb-browser{display:flex;flex:1;flex-direction:column;min-height:0;padding:14px 0 0;overflow:hidden}.kb-filter-row{display:flex;align-items:center;gap:10px;flex-shrink:0;margin-bottom:14px}.kb-filter{min-height:36px;padding:0 15px;border:0;border-radius:999px;color:#6b7280;background:#fffdf9eb;box-shadow:0 4px 12px #1c191714;font-size:14px;font-weight:800;cursor:pointer}.kb-filter.active{color:#fff;background:#1c1917}.kb-inline-search{display:flex;align-items:center;gap:8px;min-height:36px;margin-left:auto;padding:0 12px;border-radius:999px;color:var(--sw-text-faint);background:#fffdf9e6;box-shadow:inset 0 0 0 1px #1c19170d}.kb-inline-search input{width:180px;border:0;outline:none;color:var(--sw-text);background:transparent;font:inherit;font-size:13px}.kb-card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px;min-height:0;overflow:auto;padding-right:4px;overscroll-behavior:contain}.kb-card{position:relative;display:flex;flex-direction:column;justify-content:flex-end;min-height:164px;overflow:hidden;padding:16px;border:0;border-radius:14px;color:#fff;background:var(--kb-gradient);box-shadow:0 10px 24px #1c191729;text-align:left;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease}.kb-card:before{position:absolute;top:0;right:0;bottom:0;left:0;content:"";background:linear-gradient(180deg,#ffffff14,#00000057)}.kb-card:hover{transform:translateY(-2px);box-shadow:0 16px 32px #1c191733}.kb-card strong,.kb-card em,.kb-card-tag{position:relative;z-index:1}.kb-card strong{margin-bottom:6px;font-size:16px;font-weight:950}.kb-card em{color:#ffffffb8;font-size:13px;font-style:normal;font-weight:650}.kb-card-tag{position:absolute;top:16px;left:16px;padding:4px 9px;border-radius:999px;background:#ffffff21;color:#ffffffc7;font-size:11px;font-weight:800}.kb-empty-state{display:grid;place-items:center;gap:8px;min-height:280px;border-radius:18px;color:var(--sw-text-faint);background:#fffdf9ad}.kb-empty-state strong{color:var(--sw-text)}.shell-dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:grid;place-items:center;padding:24px;background:#1c191747;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.shell-dialog{position:relative;width:min(430px,100%);padding:30px;border-radius:18px;background:#fff;box-shadow:0 28px 70px #1c191747}.shell-dialog h2{margin:0 0 8px;font-size:21px;font-weight:950}.shell-dialog p{margin:0 0 18px;color:var(--sw-text-muted);font-size:13px;line-height:1.8}.dialog-placeholder{display:flex;align-items:center;gap:10px;margin-bottom:18px;padding:14px;border-radius:13px;color:var(--sw-brand);background:var(--sw-brand-soft);font-size:13px;font-weight:750}.profile-dialog{position:relative;width:min(500px,100%);padding:32px;border-radius:20px;background:#fff;box-shadow:0 28px 70px #1c191747}.profile-head{display:flex;gap:16px;align-items:center;margin-bottom:20px}.profile-avatar{display:grid;place-items:center;width:58px;height:58px;border-radius:18px;color:#fff;background:linear-gradient(135deg,var(--sw-brand),#8b5cf6);box-shadow:0 12px 28px #4f46e53d;font-size:22px;font-weight:950}.profile-head h2{margin:0 0 6px;color:var(--sw-text);font-size:22px;font-weight:950}.profile-head p{margin:0;color:var(--sw-text-muted);font-size:13px;line-height:1.6}.profile-status-card{display:flex;align-items:center;gap:12px;margin-bottom:16px;padding:14px;border-radius:14px;background:var(--sw-panel-muted)}.profile-status-dot{width:11px;height:11px;border-radius:999px;background:#ef4444;box-shadow:0 0 0 4px var(--sw-red-soft)}.profile-status-dot.online{background:#22c55e;box-shadow:0 0 0 4px #dcfce7}.profile-status-card strong,.profile-status-card em{display:block}.profile-status-card strong{color:var(--sw-text);font-size:13px;font-weight:900}.profile-status-card em{margin-top:3px;color:var(--sw-text-faint);font-size:12px;font-style:normal;font-weight:700}.document-preview-backdrop{z-index:70}.document-preview-dialog{position:relative;width:min(960px,calc(100vw - 44px));height:min(720px,calc(100vh - 44px));overflow:hidden;border-radius:18px;background:#f7f3eb;box-shadow:0 28px 80px #1c191752}.document-preview-top{display:flex;align-items:center;justify-content:space-between;height:58px;padding:0 64px 0 18px;border-bottom:1px solid rgba(28,25,23,.08);background:#fffdf9db}.document-preview-title{display:flex;align-items:center;gap:10px;min-width:0}.document-preview-title strong,.document-preview-title span{display:block;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.document-preview-title strong{max-width:620px;color:var(--sw-text);font-size:14px;font-weight:900}.document-preview-title span{max-width:620px;margin-top:3px;color:var(--sw-text-faint);font-size:11px;font-weight:700}.document-preview-top .document-preview-close{position:absolute;top:12px;right:14px;flex-shrink:0}.document-preview-body{display:grid;grid-template-columns:190px minmax(0,1fr);height:calc(100% - 58px);min-height:0}.document-preview-outline{min-width:0;padding:18px 12px;border-right:1px solid rgba(28,25,23,.08);background:#e8e2d99e}.outline-label{margin-bottom:12px;color:var(--sw-text-faint);font-size:11px;font-weight:900}.document-preview-outline button{display:flex;align-items:center;gap:8px;width:100%;min-height:36px;margin-bottom:6px;padding:0 9px;border:0;border-radius:9px;color:#78716c;background:transparent;font-size:12px;font-weight:800;text-align:left;cursor:pointer}.document-preview-outline button.active,.document-preview-outline button:hover{color:var(--sw-text);background:#fffdf9e6}.document-preview-outline button span{color:var(--sw-text-faint);font-size:10px;font-weight:900}.document-preview-paper{min-width:0;min-height:0;overflow:auto;padding:26px;background:linear-gradient(180deg,#faf8f4,#f4efe6)}.document-preview-frame{width:100%;height:100%;border:0;border-radius:12px;background:#fff;box-shadow:0 12px 34px #1c19171f}.document-preview-text{max-width:680px;min-height:100%;margin:0 auto;padding:44px 52px;border-radius:12px;color:#292524;background:#fff;box-shadow:0 12px 34px #1c19171f}.document-preview-text h2{margin:0 0 10px;font-size:24px;font-weight:950;line-height:1.35}.document-preview-meta{margin-bottom:28px!important;color:var(--sw-text-faint)!important;font-size:12px!important;font-weight:750}.document-preview-text p{margin:0 0 18px;color:#44403c;font-size:14px;line-height:1.9}.document-preview-loading .document-preview-outline{display:grid;align-content:start;gap:10px}.preview-skeleton,.paper-skeleton-lines i{display:block;height:12px;border-radius:999px;background:linear-gradient(90deg,#fffdf98a,#fffdf9f5,#fffdf98a);background-size:180% 100%;animation:shimmer 1.1s linear infinite}.preview-skeleton-title{width:72%;height:18px;margin-bottom:8px}.preview-skeleton.short{width:58%}.loading-paper{display:grid;place-items:center;align-content:center;gap:10px;color:var(--sw-brand);text-align:center}.loading-paper strong{color:var(--sw-text);font-size:16px;font-weight:950}.loading-paper>span{color:var(--sw-text-faint);font-size:12px;font-weight:700}.paper-skeleton-lines{display:grid;gap:10px;width:min(420px,74%);margin-top:20px}.paper-skeleton-lines i{height:11px;background:linear-gradient(90deg,#ffffffb8,#fff,#ffffffb8)}.paper-skeleton-lines i.short{width:66%;margin:0 auto}@keyframes shimmer{0%{background-position:180% 0}to{background-position:-180% 0}}.profile-info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:20px}.profile-info-grid div{min-height:72px;padding:13px 14px;border-radius:13px;background:#fbfaf8;box-shadow:inset 0 0 0 1px #1c19170f}.profile-info-grid span,.profile-info-grid strong{display:block;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.profile-info-grid span{margin-bottom:8px;color:var(--sw-text-faint);font-size:11px;font-weight:800}.profile-info-grid strong{color:var(--sw-text);font-size:14px;font-weight:900}.profile-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}.profile-logout{min-height:42px;padding:0 18px;border:0;border-radius:11px;color:#ef4444;background:var(--sw-red-soft);font-size:13px;font-weight:850;cursor:pointer}.add-source-dialog{position:relative;display:flex;flex-direction:column;width:min(650px,calc(100vw - 48px));max-height:min(760px,calc(100vh - 48px));overflow:hidden;border-radius:22px;background:#fff;box-shadow:0 30px 80px #1c19174d}.add-source-head{display:flex;align-items:center;justify-content:space-between;min-height:72px;padding:0 26px}.add-source-head h2{margin:0;color:var(--sw-text);font-size:20px;font-weight:950}.add-source-head .auth-close{position:static}.add-source-tabs{display:flex;gap:4px;padding:0 26px;border-bottom:1px solid rgba(28,25,23,.08)}.add-source-tabs button{min-height:42px;padding:0 18px;border:0;border-bottom:3px solid transparent;color:var(--sw-text-muted);background:transparent;font-size:14px;font-weight:800;cursor:pointer}.add-source-tabs button.active{color:var(--sw-brand);border-bottom-color:var(--sw-brand);background:linear-gradient(180deg,#4f46e50f,#4f46e500)}.add-source-body{flex:1;min-height:350px;padding:30px 26px 20px;overflow:hidden}.upload-dropzone{display:grid;place-items:center;align-content:center;gap:10px;width:100%;min-height:260px;border:2px dashed rgba(99,102,241,.36);border-radius:18px;color:var(--sw-text-muted);background:linear-gradient(180deg,#fffdf9fa,#f8f7ffb8);cursor:pointer}.upload-dropzone.has-file{border-style:solid;background:#f8f7ff}.upload-icon{display:grid;place-items:center;width:62px;height:62px;border-radius:18px;color:var(--sw-brand);background:var(--sw-brand-soft);box-shadow:0 16px 38px #4f46e51f}.upload-dropzone strong{color:var(--sw-text);font-size:15px;font-weight:900}.upload-dropzone span{color:#b0a79c;font-size:13px;font-weight:650}.upload-dropzone em{display:inline-flex;align-items:center;justify-content:center;min-height:40px;margin-top:8px;padding:0 24px;border-radius:11px;color:#fff;background:var(--sw-brand);box-shadow:0 8px 18px #4f46e53d;font-size:13px;font-style:normal;font-weight:850}.upload-tip{margin-top:18px;padding:12px 14px;border-radius:12px;color:var(--sw-text-faint);background:var(--sw-panel-muted);font-size:12px;font-weight:700}.file-input-hidden{display:none}.uploaded-file-panel{display:flex;flex-direction:column;gap:12px;min-height:260px;max-height:min(420px,calc(100vh - 330px));overflow-y:auto;padding:24px;border:1.5px solid rgba(99,102,241,.18);border-radius:18px;background:linear-gradient(180deg,#fbfbff,#f6f5ff);overscroll-behavior:contain}.uploaded-file-row{display:grid;grid-template-columns:42px minmax(0,1fr) auto;align-items:center;gap:14px;min-height:70px;padding:0 18px;border-radius:15px;background:#fff;box-shadow:0 8px 18px #1c19170f}.uploaded-file-icon{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;color:var(--sw-brand);background:var(--sw-brand-soft)}.uploaded-file-row strong{overflow:hidden;color:var(--sw-text);font-size:14px;font-weight:900;white-space:nowrap;text-overflow:ellipsis}.uploaded-file-row em{color:#a8a29e;font-size:12px;font-style:normal;font-weight:800;white-space:nowrap}.uploaded-file-actions{display:inline-flex;align-items:center;gap:10px;justify-self:end;min-width:0}.uploaded-file-remove{display:grid;place-items:center;width:30px;height:30px;border:0;border-radius:9px;color:#8b7f75;background:#f2eee8;cursor:pointer}.uploaded-file-remove:hover{color:#ef4444;background:var(--sw-red-soft)}.upload-more-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;position:sticky;bottom:0;align-self:flex-start;min-height:36px;margin-top:4px;padding:0 14px;border:0;border-radius:10px;color:var(--sw-brand);background:var(--sw-brand-soft);font-size:12px;font-weight:850;cursor:pointer}.source-search-row{display:grid;grid-template-columns:minmax(0,1fr) 92px;gap:10px;margin-bottom:14px}.source-search-input{display:flex;align-items:center;gap:9px;min-height:46px;padding:0 14px;border:1.5px solid var(--sw-brand);border-radius:12px;color:var(--sw-text-faint);background:#fff;box-shadow:0 0 0 3px #4f46e512}.source-search-input input{flex:1;min-width:0;border:0;outline:none;color:var(--sw-text);background:transparent;font:inherit;font-size:13px;font-weight:750}.source-search-button{min-height:46px;border:0;border-radius:12px;color:#fff;background:var(--sw-brand);box-shadow:0 8px 18px #4f46e53d;font-size:13px;font-weight:900;cursor:pointer}.source-search-button:disabled{color:var(--sw-brand);background:var(--sw-brand-soft);box-shadow:none;cursor:wait}.source-search-meta{margin:0 0 10px;color:var(--sw-text-faint);font-size:12px;font-weight:750}.source-result-list,.source-loading-list{display:flex;flex-direction:column;gap:7px}.source-result-row{display:grid;grid-template-columns:22px minmax(0,1fr);align-items:start;gap:10px;min-height:62px;padding:11px 12px;border:1px solid rgba(28,25,23,.07);border-radius:12px;color:var(--sw-text-muted);background:#fff;text-align:left;cursor:pointer}.source-result-row.selected{border-color:#4f46e538;background:#f3f6ff}.source-result-check{display:grid;place-items:center;width:18px;height:18px;margin-top:2px;border:1.5px solid #d6d3d1;border-radius:6px;color:transparent;background:#fff;font-size:11px;font-weight:900}.source-result-check.checked{border-color:var(--sw-brand);color:#fff;background:var(--sw-brand)}.source-result-row strong{display:block;overflow:hidden;color:var(--sw-text);font-size:13px;font-weight:900;white-space:nowrap;text-overflow:ellipsis}.source-result-row em{display:block;margin-top:5px;overflow:hidden;color:var(--sw-text-faint);font-size:11.5px;font-style:normal;font-weight:650;white-space:nowrap;text-overflow:ellipsis}.source-skeleton-row{display:grid;grid-template-columns:22px minmax(0,1fr);gap:10px;min-height:66px;padding:12px;border:1px solid rgba(28,25,23,.04);border-radius:12px;background:#fff}.source-skeleton-row>span,.source-skeleton-row strong,.source-skeleton-row em,.source-skeleton-row small{display:block;border-radius:999px;background:linear-gradient(90deg,#eeeae3,#f7f4ef,#eeeae3);background-size:180% 100%;animation:shimmer 1.1s linear infinite}.source-skeleton-row>span{width:18px;height:18px}.source-skeleton-row strong{width:72%;height:12px;margin-bottom:9px}.source-skeleton-row em{width:96%;height:9px;margin-bottom:7px}.source-skeleton-row small{width:64%;height:9px}@keyframes shimmer{to{background-position:-180% 0}}.source-placeholder-panel{display:grid;place-items:center;align-content:center;gap:12px;min-height:278px;border-radius:18px;color:var(--sw-text-faint);background:linear-gradient(180deg,#faf8f4b8,#fffdf9f2);text-align:center}.source-placeholder-panel.compact{min-height:220px}.source-placeholder-icon{display:grid;place-items:center;width:64px;height:64px;border-radius:20px;color:var(--sw-brand);background:var(--sw-brand-soft)}.source-placeholder-panel strong{color:var(--sw-text);font-size:16px;font-weight:900}.source-placeholder-panel span{max-width:360px;color:#9ca3af;font-size:13px;line-height:1.8}.paper-source-tags{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 12px}.paper-source-tags button{min-height:34px;padding:0 16px;border:0;border-radius:10px;color:var(--sw-text-muted);background:var(--sw-panel-muted);font-size:12px;font-weight:850;cursor:pointer}.paper-source-tags button.active{color:#fff;background:var(--sw-brand);box-shadow:0 7px 16px #4f46e538}.add-source-actions{display:flex;justify-content:flex-end;gap:10px;padding:0 26px 26px}.dialog-secondary,.dialog-primary{min-height:42px;padding:0 22px;border:0;border-radius:11px;font-size:13px;font-weight:850;cursor:pointer}.dialog-secondary{color:var(--sw-text-muted);background:#fff;box-shadow:inset 0 0 0 1px #1c191714,0 4px 12px #1c19170f}.dialog-primary{color:#fff;background:var(--sw-brand);box-shadow:0 8px 18px #4f46e53d}.toast{position:fixed;right:28px;bottom:28px;z-index:80;max-width:min(420px,calc(100vw - 48px));padding:12px 16px;border-radius:12px;color:#fff;background:#1c1917eb;box-shadow:0 14px 34px #1c191747;font-size:13px;font-weight:750}.auth-mock-submit{margin-top:16px}.bare-icon-button{display:grid;place-items:center;border:0;color:inherit;background:transparent;cursor:pointer}.auth-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:28px;background:#1c191766;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.auth-modal{position:relative;display:flex;width:min(960px,100%);height:min(540px,calc(100vh - 56px));overflow:hidden;border-radius:22px;background:#fff;box-shadow:0 32px 90px #1c19174d}.auth-brand-panel{position:relative;display:flex;flex:0 0 380px;flex-direction:column;justify-content:center;overflow:hidden;padding:40px 36px;background:linear-gradient(155deg,#f7f4ef,#ede8e0)}.auth-brand-panel:before,.auth-brand-panel:after{position:absolute;content:"";border-radius:999px;background:#4f46e50d}.auth-brand-panel:before{top:-80px;right:-80px;width:260px;height:260px}.auth-brand-panel:after{bottom:-60px;left:-40px;width:180px;height:180px}.auth-brand-content{position:relative;z-index:1}.auth-brand-logo{display:flex;align-items:center;gap:9px;margin-bottom:32px;color:var(--sw-text);font-size:17px;font-weight:800}.auth-brand-content h2{margin:0 0 12px;color:var(--sw-text);font-size:24px;font-weight:800;line-height:1.35}.auth-brand-content p{margin:0 0 28px;color:var(--sw-text-muted);font-size:13px;line-height:1.8}.auth-feature{display:flex;align-items:center;gap:10px;margin-bottom:10px;color:#44403c;font-size:13px;font-weight:500}.auth-feature span{display:grid;place-items:center;width:28px;height:28px;flex-shrink:0;border-radius:8px;background:#fff;box-shadow:0 1px 4px #1c19171a;font-size:14px}.auth-proof{margin-top:24px;padding:10px 14px;border-radius:10px;color:var(--sw-brand);background:#4f46e514;font-size:12px;font-weight:500}.auth-form-panel{position:relative;display:flex;flex:1;flex-direction:column;justify-content:center;overflow:hidden;padding:36px 40px;background:#fff}.auth-close{position:absolute;top:18px;right:18px;display:grid;place-items:center;width:34px;height:34px;border:0;border-radius:10px;color:var(--sw-text-muted);background:var(--sw-panel-muted);cursor:pointer}.auth-tabs{display:flex;gap:0;margin-bottom:22px;padding:3px;border-radius:11px;background:var(--sw-panel-muted)}.auth-tabs button{flex:1;min-height:34px;border:0;border-radius:8px;color:var(--sw-text-muted);background:transparent;font-size:13px;font-weight:500;cursor:pointer}.auth-tabs button.active{color:var(--sw-text);background:#fff;box-shadow:0 1px 6px #1c19171a;font-weight:700}.auth-tabs button:disabled{opacity:.45;cursor:not-allowed}.auth-title{margin:0 0 4px;color:var(--sw-text);font-size:20px;font-weight:800}.auth-subtitle{margin:0 0 20px;color:var(--sw-text-faint);font-size:13px}.auth-label{display:block;margin:0 0 6px;color:#44403c;font-size:12px;font-weight:700}.auth-input{width:100%;min-height:44px;margin:0 0 14px;padding:0 14px;border:1.5px solid #e8e2d9;border-radius:10px;outline:none;color:var(--sw-text);background:#fff;box-shadow:0 1px 3px #1c19170d;font-size:14px}.auth-input:focus{border-color:var(--sw-brand);box-shadow:0 0 0 3px #4f46e512}.auth-code-row{display:grid;grid-template-columns:minmax(0,1fr) 124px;gap:9px;margin-bottom:12px}.auth-code-row .auth-input{margin-bottom:0}.code-button{min-height:44px;border:0;border-radius:10px;color:var(--sw-text);background:var(--sw-panel-muted);font-size:13px;font-weight:700;cursor:pointer;white-space:nowrap;transition:transform .16s ease,box-shadow .16s ease,background .16s ease}.code-button:hover:not(:disabled){transform:scale(1.04);box-shadow:0 8px 18px #1c19171f}.code-button:disabled{color:var(--sw-text-faint);cursor:not-allowed}.auth-info,.auth-error{margin-bottom:12px;padding:9px 12px;border-radius:9px;font-size:12px}.auth-info{color:#15803d;background:#f0fdf4}.auth-error{color:#dc2626;background:#fef2f2}.centered{text-align:center}.auth-agreement{display:flex;align-items:center;gap:7px;width:fit-content;margin-bottom:18px;padding:0;border:0;color:var(--sw-text-muted);background:transparent;font-size:12px;cursor:pointer}.auth-agreement span span{color:var(--sw-brand)}.auth-check{display:grid;place-items:center;width:15px;height:15px;flex-shrink:0;border:1.5px solid #d6d3d1;border-radius:4px;color:transparent;background:#fff;font-size:10px}.auth-check.checked{border-color:var(--sw-text);color:#fff;background:var(--sw-text)}.auth-submit{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;width:100%;border:0;border-radius:11px;color:#fff;background:var(--sw-text);box-shadow:0 3px 14px #1c191740;font-size:14px;font-weight:800;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,background .16s ease}.auth-submit:hover:not(:disabled){transform:scale(1.035);box-shadow:0 12px 28px #1c19173d}.auth-submit:disabled{opacity:.68;cursor:not-allowed}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.wechat-box{position:relative;display:grid;place-items:center;width:190px;height:190px;margin:18px auto 14px;border:1.5px solid #ede8e0;border-radius:16px;background:#fff;box-shadow:0 4px 20px #1c191717}.wechat-frame{width:168px;height:168px;border:0;border-radius:10px;background:#fff}.qr-placeholder{display:grid;place-items:center;width:168px;height:168px;border-radius:12px;color:var(--sw-brand);background:linear-gradient(90deg,rgba(28,25,23,.06) 1px,transparent 1px),linear-gradient(rgba(28,25,23,.06) 1px,transparent 1px),#fff;background-size:14px 14px}.qr-corners:before,.qr-corners:after,.wechat-box:before,.wechat-box:after{position:absolute;width:18px;height:18px;content:"";border-color:var(--sw-brand)}.wechat-box:before{top:8px;left:8px;border-top:3px solid;border-left:3px solid}.wechat-box:after{top:8px;right:8px;border-top:3px solid;border-right:3px solid}.qr-corners:before{bottom:8px;left:8px;border-bottom:3px solid;border-left:3px solid}.qr-corners:after{right:8px;bottom:8px;border-right:3px solid;border-bottom:3px solid}.wechat-message{color:var(--sw-text-muted);font-size:12px;text-align:center}.workspace{display:grid;grid-template-columns:268px minmax(0,1fr) 286px;min-height:calc(100vh - 110px)}.left-rail,.right-rail{display:flex;flex-direction:column;min-height:0;background:#f2ede8eb}.left-rail{border-right:1px solid rgba(28,25,23,.09)}.right-rail{border-left:1px solid rgba(28,25,23,.09)}.rail-header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:16px 16px 10px}.eyebrow{color:var(--sw-text-faint);font-size:11px;font-weight:800;letter-spacing:.7px;text-transform:uppercase}.small-meta{display:inline-flex;align-items:center;gap:4px;color:var(--sw-text-faint);font-size:11px;font-weight:600}.ghost-button,.button,.icon-button,.format-button,.tab,.action-pill,.source-check,.send-button{cursor:pointer}.landing-page{position:relative;min-height:100vh;overflow:hidden;background:#faf8f4}.landing-orb{position:absolute;border-radius:999px;pointer-events:none}.landing-orb-top{top:-120px;right:14%;width:600px;height:600px;background:radial-gradient(ellipse,rgba(99,102,241,.07) 0%,transparent 70%)}.landing-orb-bottom{bottom:-100px;left:7%;width:420px;height:420px;background:radial-gradient(ellipse,rgba(245,158,11,.05) 0%,transparent 70%)}.landing-nav{position:relative;z-index:2;display:flex;align-items:center;height:62px;padding:0 56px;background:#faf8f4e0;box-shadow:0 1px #1c19170f;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.landing-brand{display:inline-flex;align-items:center;gap:9px;color:var(--sw-text);font-size:17px;font-weight:800}.landing-links{display:flex;justify-content:center;gap:40px;flex:1}.landing-links a{color:var(--sw-text-muted);font-size:14px;font-weight:500;text-decoration:none}.landing-nav-cta{min-height:36px;padding:0 20px;border:0;border-radius:10px;color:#fff;background:var(--sw-brand);box-shadow:0 2px 10px #4f46e540;font-size:13px;font-weight:700;cursor:pointer}.landing-hero{position:relative;z-index:1;display:flex;align-items:center;gap:80px;min-height:calc(100vh - 62px);padding:0 80px 42px}.landing-copy{flex:0 0 520px}.hero-badge{display:inline-flex;align-items:center;gap:7px;margin-bottom:28px;padding:5px 14px;border-radius:999px;color:var(--sw-text-muted);background:var(--sw-panel-muted);box-shadow:0 1px 4px #1c19171a;font-size:12px;font-weight:600}.hero-badge span{width:6px;height:6px;border-radius:999px;background:#10b981;box-shadow:0 0 0 3px #10b98126}.landing-copy h1{margin:0 0 22px;color:var(--sw-text);font-size:clamp(42px,5vw,54px);font-weight:800;line-height:1.12;letter-spacing:0}.landing-copy h1 mark{color:transparent;background:linear-gradient(135deg,#4f46e5 30%,#6366f1);-webkit-background-clip:text;background-clip:text}.landing-copy p{max-width:430px;margin:0 0 38px;color:var(--sw-text-muted);font-size:17px;line-height:1.8}.hero-cta{display:inline-flex;align-items:center;min-height:52px;padding:0 28px;border:0;border-radius:12px;color:#fff;background:linear-gradient(135deg,#4f46e5,#6366f1);box-shadow:0 4px 18px #4f46e552;font-size:15px;font-weight:700;cursor:pointer}.landing-visual{flex:1;display:flex;justify-content:center;align-items:center}.product-mockup{display:flex;flex-direction:column;width:min(620px,100%);height:390px;overflow:hidden;border-radius:18px;background:#fffffe;box-shadow:0 32px 80px #1c19172e,0 8px 24px #1c191714}.mockup-topbar{display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;background:var(--sw-bg-soft);box-shadow:0 1px #ede8e0}.traffic{display:flex;gap:5px}.traffic span{width:9px;height:9px;border-radius:999px}.traffic span:nth-child(1){background:#f87171}.traffic span:nth-child(2){background:#fbbf24}.traffic span:nth-child(3){background:#34d399}.mockup-title{flex:1;max-width:180px;margin:0 auto;padding:3px 16px;border-radius:6px;color:var(--sw-text-muted);background:#ede8e0;font-size:10px;font-weight:500;text-align:center}.mockup-user{display:grid;place-items:center;width:20px;height:20px;border-radius:6px;color:#fff;background:linear-gradient(135deg,#4f46e5,#6d28d9);font-size:7px;font-weight:800}.mockup-body{display:flex;flex:1;overflow:hidden}.mockup-left{width:150px;flex-shrink:0;padding:8px 6px;background:var(--sw-bg-soft);box-shadow:1px 0 #ede8e0}.mockup-eyebrow{padding:0 4px 6px;color:var(--sw-text-faint);font-size:8px;font-weight:700;letter-spacing:.5px;text-transform:uppercase}.mockup-source{display:flex;align-items:center;gap:5px;margin-bottom:2px;padding:4px 5px;border-radius:7px;background:#4f46e50f}.mockup-source .file-badge{width:16px;height:16px;border-radius:4px;font-size:5px}.mockup-source span{overflow:hidden;color:#44403c;font-size:8px;white-space:nowrap;text-overflow:ellipsis}.mockup-center{flex:1;padding:12px 16px;background:#fffffe}.mockup-summary{margin-bottom:12px;padding:10px 12px;border-radius:10px;background:var(--sw-bg-soft)}.mockup-summary-head{display:flex;align-items:center;gap:5px;margin-bottom:6px;font-size:9px}.tiny-logo{display:grid;place-items:center;width:14px;height:14px;border-radius:4px;color:#fff;background:linear-gradient(135deg,#4f46e5,#6d28d9);font-size:7px}.mockup-summary-head em{margin-left:auto;color:var(--sw-text-faint);font-size:8px;font-style:normal}.mockup-summary p,.mockup-answer{margin:0;color:#44403c;font-size:8px;line-height:1.75}.mockup-question{width:fit-content;max-width:68%;margin:0 0 10px auto;padding:5px 9px;border-radius:8px 8px 2px;color:#fff;background:linear-gradient(135deg,#4f46e5,#6366f1);box-shadow:0 2px 8px #4f46e533;font-size:8px}.mockup-right{width:100px;flex-shrink:0;padding:8px 6px;background:var(--sw-bg-soft);box-shadow:-1px 0 #ede8e0}.mockup-gen{display:flex;align-items:center;gap:4px;margin-bottom:4px;padding:5px;border-radius:7px;background:#fffffe;box-shadow:0 1px 3px #1c191712}.mockup-gen span{display:grid;place-items:center;width:18px;height:18px;border-radius:5px;font-size:10px}.mockup-gen b{color:var(--sw-text);font-size:9px;font-weight:600}.landing-steps{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:0 80px 54px}.step-card{position:relative;overflow:hidden;min-height:230px;padding:28px 24px;border-radius:20px;background:var(--sw-panel-muted);box-shadow:0 2px 12px #1c191712}.step-number{position:absolute;top:-14px;right:-4px;z-index:0;color:var(--sw-panel-strong);font-size:86px;font-weight:900;line-height:1;-webkit-user-select:none;user-select:none}.step-emoji{position:relative;z-index:1;display:grid;place-items:center;width:52px;height:52px;margin-bottom:16px;border-radius:16px;background:#fffffe;box-shadow:0 2px 10px #1c19171a;font-size:26px}.step-card h2{position:relative;z-index:1;margin:0 0 10px;color:var(--sw-text);font-size:17px;font-weight:800;line-height:1.3}.step-card p{position:relative;z-index:1;margin:0 0 18px;color:var(--sw-text-muted);font-size:13px;line-height:1.8}.step-tag{position:relative;z-index:1;display:inline-flex;margin:0 6px 6px 0;padding:3px 10px;border-radius:999px;color:#44403c;background:#fffffe;box-shadow:0 1px 3px #1c191714;font-size:11px;font-weight:600}.landing-generate{position:relative;z-index:1;min-height:760px;padding:24px 80px 56px;background:#faf8f4}.generate-heading{margin-bottom:28px;text-align:center}.generate-eyebrow{margin-bottom:12px;color:var(--sw-brand);font-size:11px;font-weight:800;letter-spacing:2.5px;text-transform:uppercase}.generate-heading h2{margin:0 0 10px;color:var(--sw-text);font-size:40px;font-weight:900;line-height:1.18}.generate-heading p{margin:0;color:var(--sw-text-muted);font-size:15px}.generate-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:28px}.generate-tab{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:38px;padding:0 18px;border:0;border-radius:999px;color:var(--tab-color);background:var(--sw-panel-muted);box-shadow:0 1px 3px #1c191714;font-size:13px;font-weight:700;cursor:pointer}.generate-tab-active{color:#fff;background:var(--tab-color);box-shadow:0 2px 10px color-mix(in srgb,var(--tab-color) 28%,transparent)}.generate-showcase{display:grid;grid-template-columns:minmax(0,1fr) 320px;align-items:start;gap:48px;max-width:1180px;margin:0 auto}.generate-slide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.generate-slide{display:grid;place-items:center;aspect-ratio:16 / 9;overflow:hidden;border-radius:12px;background:var(--slide-bg);box-shadow:0 2px 10px #1c19171f}.generate-slide-active{outline:2px solid #6366f1;box-shadow:0 6px 20px #4f46e54d}.generate-slide-copy{display:flex;flex-direction:column;align-items:center;padding:14px;text-align:center}.generate-slide-copy span{margin-bottom:6px;color:#fff6;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:8px}.generate-slide-copy strong{margin-bottom:4px;color:#fff;font-size:11px;font-weight:800;line-height:1.35}.generate-slide-copy 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strong{display:block;color:var(--sw-text);font-size:12px;font-weight:800}.generate-feature em{display:block;margin-top:2px;color:var(--sw-text-faint);font-size:11px;font-style:normal}.generate-cta-row{display:flex;justify-content:center;padding-top:28px}.generate-cta{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 56px;border:0;border-radius:14px;color:#fff;background:linear-gradient(135deg,var(--sw-brand),#6366f1);box-shadow:0 6px 24px #4f46e54d;font-size:16px;font-weight:800;cursor:pointer}.ghost-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:34px;padding:0 14px;border-radius:11px;color:var(--sw-brand);background:var(--sw-brand-soft);font-size:12px;font-weight:800;box-shadow:0 5px 14px #4f46e51a}.wide{width:100%}.rail-action{padding:0 10px 10px}.icon-button{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;color:var(--sw-text-muted);background:#fffdf9c2}.selected-meta{padding:0 16px 4px;color:var(--sw-text-faint);font-size:11px;font-weight:600}.source-list{flex:1;min-height:0;padding:4px 10px 12px;overflow:auto}.source-empty{display:grid;place-items:center;align-content:center;gap:9px;flex:1;min-height:280px;padding:28px 24px;color:var(--sw-text-faint);text-align:center}.source-empty svg{width:56px;height:56px;padding:14px;border-radius:18px;color:#c9c0b5;background:#fffdf9b8}.source-empty strong{color:#b0a79c;font-size:14px}.source-empty span{max-width:180px;font-size:12px;line-height:1.7}.source-item{display:grid;grid-template-columns:34px minmax(0,1fr) 20px;align-items:center;gap:10px;width:100%;min-height:48px;padding:7px 8px;border:0;border-radius:12px;color:var(--sw-text-muted);background:transparent;text-align:left;cursor:pointer;transition:background .16s ease,transform .16s ease}.source-item:hover{transform:translateY(-1px);background:#4f46e51a}.source-item-active{color:var(--sw-text);background:#4f46e511}.file-badge{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;font-size:8px;font-weight:900}.file-pdf{color:#ef4444;background:var(--sw-red-soft)}.file-doc{color:#2563eb;background:var(--sw-blue-soft)}.file-image{color:#9333ea;background:#faf5ff}.file-web{color:#059669;background:var(--sw-green-soft)}.file-note{color:#4f46e5;background:var(--sw-brand-soft)}.source-copy{min-width:0}.source-title{overflow:hidden;font-size:12px;font-weight:650;white-space:nowrap;text-overflow:ellipsis}.source-meta{margin-top:2px;color:var(--sw-text-faint);font-size:10px}.source-check{display:grid;place-items:center;width:18px;height:18px;border-radius:50%;color:#fff;background:linear-gradient(135deg,var(--sw-brand),#7c3aed)}.source-check-pending{color:var(--sw-brand);background:#4f46e51f}.source-check-failed{color:#ef4444;background:var(--sw-red-soft)}.note-box{margin:0 10px 14px;padding:14px;border-radius:14px;background:#1c19170a}.note-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;color:var(--sw-text-faint);font-size:11px;font-weight:800;letter-spacing:.7px;text-transform:uppercase}.note-body{color:#8b7f75;font-size:12px;line-height:1.65}.main{display:flex;flex-direction:column;min-width:0;min-height:0;background:linear-gradient(180deg,#f7f4eff5,#faf8f4f5),radial-gradient(circle at 70% 8%,rgba(79,70,229,.09),transparent 22rem)}.main-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 32px 14px}.main-title{margin:0;color:var(--sw-text);font-size:22px;font-weight:900}.main-desc{margin-top:6px;color:var(--sw-text-faint);font-size:13px}.tabs{display:flex;gap:6px;padding:4px;border-radius:999px;background:#e8e2d9b8}.tab{min-height:32px;padding:0 16px;border-radius:999px;color:var(--sw-text-muted);background:transparent;font-size:12px;font-weight:800}.tab-active{color:#fff;background:#1c1917;box-shadow:0 4px 12px #1c191724}.content{flex:1;min-height:0;padding:8px 32px 18px;overflow:auto}.banner{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:24px;align-items:center;margin-bottom:20px;padding:22px 24px;border-radius:18px;background:linear-gradient(135deg,#fffdf9f5,#eef2ffd6),linear-gradient(90deg,transparent,rgba(79,70,229,.08));box-shadow:var(--sw-shadow-soft)}.banner h2{margin:0;color:var(--sw-text);font-size:22px;font-weight:900;line-height:1.35}.banner h2 span{color:var(--sw-brand)}.banner p{margin:8px 0 0;color:var(--sw-text-muted);font-size:13px;line-height:1.7}.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.mini-stat{min-height:72px;padding:12px;border-radius:14px;background:#fffdf9c7;box-shadow:inset 0 0 0 1px #1c19170a}.mini-stat strong{display:block;color:var(--sw-text);font-size:18px;line-height:1}.mini-stat span{display:block;margin-top:7px;color:var(--sw-text-faint);font-size:11px;line-height:1.25}.summary{margin-bottom:20px}.section-head{display:flex;align-items:center;gap:9px;margin-bottom:12px}.section-icon{display:grid;place-items:center;width:30px;height:30px;border-radius:10px;color:#fff;background:linear-gradient(135deg,var(--sw-brand),#6366f1);box-shadow:0 7px 16px #4f46e547}.section-title{color:var(--sw-text);font-size:15px;font-weight:900}.section-meta{margin-left:auto;color:var(--sw-text-faint);font-size:12px;font-weight:700}.summary-body{padding:20px 22px;border-radius:18px;background:#fffdf9b8;box-shadow:var(--sw-shadow-soft)}.summary-body p{margin:0;color:#374151;font-size:14px;line-height:1.95}.summary-body p+p{margin-top:10px}.mark{color:var(--sw-brand);font-weight:900}.action-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.action-pill{display:inline-flex;align-items:center;gap:5px;min-height:30px;padding:0 12px;border-radius:999px;color:var(--sw-text-muted);background:#fffdf9cc;font-size:12px;font-weight:750;box-shadow:0 4px 12px #1c19170d}.chat{display:flex;flex-direction:column;gap:18px;min-height:100%}.chat-empty{display:grid;place-items:center;align-content:center;gap:10px;flex:1;min-height:340px;color:var(--sw-text-faint);text-align:center}.chat-empty svg{width:58px;height:58px;padding:14px;border-radius:18px;color:var(--sw-brand);background:var(--sw-brand-soft)}.chat-empty strong{color:var(--sw-text);font-size:17px;font-weight:950}.chat-empty span{max-width:360px;font-size:13px;line-height:1.7}.question{align-self:flex-end;max-width:min(620px,80%);padding:12px 17px;border-radius:16px 16px 5px;color:#fff;background:linear-gradient(135deg,var(--sw-brand),#6366f1);box-shadow:0 10px 22px #4f46e53b;font-size:14px;line-height:1.65}.answer{max-width:850px}.answer-error .answer-text{color:#b91c1c}.answer-meta{display:flex;align-items:center;gap:8px;margin-bottom:9px;color:var(--sw-text-faint);font-size:12px;font-weight:700}.answer-logo{display:grid;place-items:center;width:24px;height:24px;border-radius:8px;color:#fff;background:linear-gradient(135deg,var(--sw-brand),#6366f1)}.brand-mark{color:var(--sw-brand)}.answer-text{color:#374151;font-size:14px;line-height:1.9}.citation-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:12px}.citation{min-height:76px;padding:12px;border-radius:14px;background:#fffdf9c7;box-shadow:inset 0 0 0 1px #1c19170d}.citation strong{display:block;overflow:hidden;color:var(--sw-text);font-size:12px;white-space:nowrap;text-overflow:ellipsis}.citation span{display:block;margin-top:6px;color:var(--sw-text-faint);font-size:11px;line-height:1.45}.composer{padding:13px 22px 17px;border-top:1px solid rgba(28,25,23,.08);background:#faf8f4bd}.composer-inner{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:10px;min-height:52px;padding:8px 8px 8px 16px;border:1.5px solid rgba(79,70,229,.7);border-radius:16px;background:var(--sw-panel);box-shadow:0 0 0 4px #4f46e514}.composer-text{width:100%;min-height:24px;max-height:116px;overflow:auto;resize:none;border:0;outline:none;color:#374151;background:transparent;font:inherit;font-size:14px;line-height:1.65}.composer-text::placeholder{color:#b8afa5}.send-button{display:grid;place-items:center;width:38px;height:38px;border:0;border-radius:12px;color:#fff;background:linear-gradient(135deg,var(--sw-brand),#6366f1);box-shadow:0 8px 18px #4f46e54d;cursor:pointer}.send-button:disabled{opacity:.48;cursor:not-allowed;box-shadow:none}.composer-foot{margin-top:7px;color:var(--sw-text-faint);font-size:11px;text-align:center}.workspace-empty-main{display:grid;place-items:center;align-content:center;flex:1;min-height:0;padding:72px 24px;color:var(--sw-text-muted);text-align:center}.empty-spark{display:grid;place-items:center;width:92px;height:92px;margin-bottom:28px;border-radius:28px;color:var(--sw-brand);background:var(--sw-brand-soft);box-shadow:0 18px 42px #4f46e51f}.workspace-empty-main h2{margin:0 0 12px;color:var(--sw-text);font-size:24px;font-weight:950}.workspace-empty-main p{margin:0 0 28px;color:#b0a79c;font-size:14px;font-weight:650}.empty-add-button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:50px;padding:0 28px;border:0;border-radius:14px;color:#fff;background:#1c1917;box-shadow:0 12px 28px #1c19173d;font-size:15px;font-weight:900;cursor:pointer}.composer-placeholder{color:#c4b9ad}.format-list{display:flex;flex-direction:column;gap:6px;padding:0 10px 12px}.format-button{display:grid;grid-template-columns:12px minmax(0,1fr) 16px;align-items:center;gap:10px;min-height:48px;padding:8px 12px;border-radius:13px;color:var(--sw-text-muted);background:#fffdf9b8;text-align:left;box-shadow:0 4px 12px #1c19170a}.format-active{color:var(--format-color);background:var(--format-bg);box-shadow:0 7px 16px #1c19170f}.format-dot{width:9px;height:9px;border-radius:50%;background:var(--format-color);opacity:.65}.format-active .format-dot{opacity:1}.format-copy{min-width:0}.format-title{display:inline-flex;align-items:center;gap:4px;color:inherit;font-size:13px;font-weight:850}.format-desc{margin-left:6px;color:var(--sw-text-faint);font-size:11px;font-weight:600}.ready-hint{margin:0 10px 14px;padding:10px 12px;border-radius:12px;color:#065f46;background:var(--sw-green-soft);font-size:11px;font-weight:750}.ready-hint-muted{color:#9a7a2f;background:#fff7ed}.generation-empty{display:grid;place-items:center;min-height:120px;color:#c4b9ad;font-size:12px;line-height:1.7;text-align:center}.history{flex:1;min-height:0;padding:0 14px 16px;overflow:auto}.history-eyebrow{margin-bottom:8px}.history-item{display:grid;grid-template-columns:10px minmax(0,1fr);gap:9px;width:100%;padding:10px 0;border:0;border-bottom:1px solid rgba(28,25,23,.07);background:transparent;text-align:left;cursor:pointer}.history-dot{width:8px;height:8px;margin-top:5px;border-radius:50%;background:var(--history-color)}.history-copy{min-width:0}.history-title{display:block;overflow:hidden;color:var(--sw-text);font-size:12px;font-weight:800;white-space:nowrap;text-overflow:ellipsis}.history-meta{display:block;margin-top:3px;color:var(--sw-text-faint);font-size:10px}.mobile-only{display:none}@media(max-width:1180px){.landing-hero{gap:42px;padding:0 42px 42px}.landing-copy{flex-basis:450px}.landing-steps{grid-template-columns:repeat(2,minmax(0,1fr));padding:0 42px 46px}.landing-generate{padding:24px 42px 52px}.generate-showcase{gap:28px}.workspace{grid-template-columns:246px minmax(0,1fr)}.kb-card-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.right-rail{display:none}.mobile-only{display:block}}@media(max-width:860px){.landing-nav{gap:14px;height:auto;min-height:62px;padding:12px 18px}.landing-brand{flex:1}.landing-links{display:none}.landing-nav-cta{padding:0 14px}.landing-hero{flex-direction:column;align-items:flex-start;gap:34px;min-height:auto;padding:52px 20px 38px}.landing-copy{flex:0 1 auto}.landing-copy h1{font-size:42px}.landing-copy p{max-width:none;font-size:15px}.landing-visual{width:100%}.product-mockup{width:100%;height:330px}.mockup-right{display:none}.landing-steps{grid-template-columns:1fr;padding:0 20px 42px}.landing-generate{min-height:auto;padding:28px 20px 46px}.generate-heading h2{font-size:32px}.generate-showcase{grid-template-columns:1fr}.generate-slide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.generate-panel{padding-top:0}.generate-cta{width:100%;padding:0 18px}.frame{padding:0}.app{min-height:100vh;border:0;border-radius:0}.topbar{flex-wrap:wrap;min-height:auto;padding:14px}.brand{min-width:0}.search{order:3;width:100%}.top-actions{gap:8px}.top-actions .pill{display:none}.workspace{display:flex;flex-direction:column;min-height:0}.kb-layout{grid-template-columns:1fr;height:auto;min-height:calc(100vh - 62px);overflow:auto}.kb-sidebar{height:auto;min-height:0;border-right:0;border-bottom:1px solid rgba(28,25,23,.08)}.kb-mini-list{display:none}.kb-home-main{height:auto;min-height:0;overflow:visible;padding:24px 18px}.kb-hero-panel{flex-direction:column;align-items:flex-start;padding:24px}.kb-filter-row{align-items:stretch;flex-wrap:wrap}.kb-inline-search{width:100%;margin-left:0}.kb-inline-search input{width:100%}.kb-card-grid{grid-template-columns:repeat(2,minmax(0,1fr));overflow:visible}.left-rail{order:2;max-height:260px;border-right:0;border-top:1px solid rgba(28,25,23,.08)}.main{order:1;min-height:680px}.main-header{flex-direction:column;align-items:flex-start;padding:18px 18px 12px}.content{padding:0 18px 18px}.banner{grid-template-columns:1fr}.mini-stats{grid-template-columns:repeat(3,minmax(0,1fr))}.citation-strip{grid-template-columns:1fr}.question{max-width:92%}.composer-inner{grid-template-columns:minmax(0,1fr) auto}.composer-inner .small-meta{display:none}}@media(max-width:520px){.mockup-left{display:none}.generate-slide-grid{grid-template-columns:1fr}.generate-tab{flex:1 1 142px}.kb-card-grid{grid-template-columns:1fr}}