:root{
  --page:#f7f8fc;--paper:#fff;--paper-soft:#fbfcff;--ink:#151827;--text:#30364b;--muted:#737b90;--faint:#9ba3b5;
  --line:#e5e8f0;--line-strong:#d9deea;--accent:#5d63f2;--accent-2:#7868f5;--accent-soft:#eef0ff;--accent-pale:#f6f6ff;
  --success:#27855b;--success-soft:#eaf8f0;--warning:#a66c00;--warning-soft:#fff6df;--danger:#c64558;--danger-soft:#fff0f2;
  --radius:22px;--radius-md:16px;--radius-sm:12px;--shadow:0 14px 38px rgba(29,36,72,.055);--shadow-hover:0 20px 50px rgba(29,36,72,.09);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",Inter,system-ui,sans-serif;
}
*{box-sizing:border-box}*[hidden]{display:none!important}html{scroll-behavior:smooth}body{margin:0;background:var(--page);color:var(--ink);font:14px/1.65 var(--font);-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}a{color:inherit}.corpus-app{display:grid;grid-template-columns:244px minmax(0,1fr);min-height:calc(100vh - 72px)}
.project-rail{position:sticky;top:72px;align-self:start;height:calc(100vh - 72px);display:flex;flex-direction:column;padding:24px 18px 18px;border-right:1px solid var(--line);background:rgba(255,255,255,.88);backdrop-filter:blur(16px);z-index:20}.rail-title{padding:2px 4px 19px}.rail-kicker,.section-kicker{display:block;margin:0 0 6px;color:#858da0;font-size:10px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}.rail-title h1{margin:0;font-size:16px;line-height:1.35;letter-spacing:-.02em}.rail-version{display:inline-flex;margin-top:8px;padding:4px 7px;border:1px solid var(--line);border-radius:999px;background:#fafbfe;color:var(--faint);font-size:9px;font-weight:750}.btn{min-height:40px;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:0 15px;border:1px solid transparent;border-radius:13px;background:#fff;color:#363d53;font-weight:750;font-size:12px;text-decoration:none;transition:border-color .18s,background .18s,color .18s,box-shadow .18s,transform .18s}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;box-shadow:0 9px 23px rgba(93,99,242,.2)}.btn-primary:hover{box-shadow:0 12px 29px rgba(93,99,242,.28)}.btn-secondary{border-color:var(--line-strong);background:#fff;color:#3b4359}.btn-secondary:hover{border-color:#bdc5dc;background:#fcfcff;color:#4e58d9}.btn-large{min-height:48px;padding:0 21px;border-radius:15px;font-size:13px}.btn-full{width:100%}.rail-create{min-height:46px;border-radius:15px;font-size:13px}.rail-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:10px;margin:24px 5px 10px}.rail-section-head span{font-size:11px;font-weight:800;color:#525b70}.rail-section-head small{font-size:9px;color:var(--faint)}
.workspace-list{display:flex;flex-direction:column;gap:6px;min-height:80px;overflow:auto;padding-right:2px}.workspace-item{position:relative;width:100%;min-height:58px;padding:10px 12px;border:1px solid transparent;border-radius:13px;background:transparent;text-align:left;color:#4c556b;transition:.16s}.workspace-item:hover{border-color:#e1e5ef;background:#f7f8fc}.workspace-item.active{border-color:#d9ddff;background:linear-gradient(135deg,#f1f2ff,#f8f7ff);color:#303878;box-shadow:inset 3px 0 0 var(--accent)}.workspace-item b,.workspace-item span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.workspace-item b{font-size:12px}.workspace-item span{margin-top:3px;color:#8b93a6;font-size:10px}.workspace-list>.placeholder{padding:18px 8px;text-align:center;color:#9aa2b2;font-size:10px}.rail-service{display:flex;align-items:center;gap:10px;margin-top:auto;padding:15px 9px 4px;border-top:1px solid var(--line)}.rail-service strong,.rail-service small{display:block}.rail-service strong{font-size:11px;color:#4b5367}.rail-service small{margin-top:2px;color:#939bad;font-size:9px}.status-dot{width:8px;height:8px;flex:0 0 auto;border-radius:50%;background:#b6bcc8;box-shadow:0 0 0 5px rgba(182,188,200,.16)}.status-dot.ok{background:#32a46f;box-shadow:0 0 0 5px rgba(50,164,111,.12)}
.workbench-main{min-width:0}.workbench-bar{position:sticky;top:72px;z-index:15;height:55px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 38px;border-bottom:1px solid rgba(229,232,240,.92);background:rgba(247,248,252,.86);backdrop-filter:blur(15px)}.crumbs{display:flex;align-items:center;gap:8px;color:#8a92a4;font-size:11px}.crumbs i{color:#c2c7d2;font-style:normal}.crumbs strong{color:#4d556b}.workbench-links{display:flex;align-items:center;gap:16px}.quiet-link{color:#666f85;font-size:11px;font-weight:750;text-decoration:none}.quiet-link:hover{color:var(--accent)}
.empty-state,.workspace{width:min(1440px,100%);margin:0 auto;padding:30px 38px 64px}.empty-state{display:grid;gap:22px}.onboarding-card{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:25px 28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);box-shadow:var(--shadow)}.onboarding-card h2{margin:0;font-size:21px;letter-spacing:-.03em}.onboarding-card p{margin:7px 0 0;color:var(--muted);font-size:12px}.onboarding-actions{display:flex;gap:10px;flex:0 0 auto}
.project-header{display:flex;align-items:center;justify-content:space-between;gap:32px;margin-bottom:20px;padding:5px 2px}.project-copy h1{margin:0;font-size:30px;line-height:1.25;letter-spacing:-.04em}.project-copy p{margin:8px 0 0;color:var(--muted);font-size:13px}.header-stats{display:flex;align-items:stretch;gap:8px}.header-stats>div{min-width:126px;padding:12px 15px;border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.78);text-align:center}.header-stats span,.header-stats strong{display:block}.header-stats span{color:var(--muted);font-size:9px}.header-stats strong{margin-top:5px;font-size:14px;line-height:1.25;font-variant-numeric:tabular-nums}.progress-stat{min-width:150px!important}.progress{height:5px;margin-top:9px;overflow:hidden;border-radius:999px;background:#eceef5}.progress i{display:block;height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .24s ease}
.stage-nav{position:sticky;top:127px;z-index:12;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));margin-bottom:20px;padding:6px;border:1px solid var(--line);border-radius:17px;background:rgba(255,255,255,.93);box-shadow:0 10px 30px rgba(29,36,72,.045);backdrop-filter:blur(14px)}.stage-nav a{display:flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 10px;border-radius:12px;color:#727b90;font-size:11px;font-weight:750;text-decoration:none;transition:.16s}.stage-nav a span{display:grid;place-items:center;width:24px;height:24px;border-radius:8px;background:#f0f2f7;color:#9299aa;font-size:9px}.stage-nav a:hover{background:#f7f8fc;color:#515a70}.stage-nav a:first-child{background:linear-gradient(135deg,#eceeff,#f3efff);color:#4d53cc;box-shadow:inset 0 0 0 1px #dde0ff}.stage-nav a:first-child span{background:#fff;color:#5d63f2;box-shadow:0 5px 13px rgba(93,99,242,.12)}
.metric-cards{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:13px;margin:0 0 20px}.metric{min-width:0;padding:17px 18px;border:1px solid var(--line);border-radius:17px;background:linear-gradient(145deg,#fff,#fafbff)}.metric span,.metric b{display:block}.metric span{color:#7e879a;font-size:10px;font-weight:750}.metric b{margin:8px 0 3px;font-size:23px;line-height:1.05;letter-spacing:-.035em;font-variant-numeric:tabular-nums}
.card{min-width:0;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);box-shadow:var(--shadow)}.step-card{scroll-margin-top:198px;margin-bottom:16px}.card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:18px}.card-head h2{margin:0;font-size:18px;line-height:1.35;letter-spacing:-.025em}.card-head p{max-width:860px;margin:6px 0 0;color:var(--muted);font-size:11px}.badge{display:inline-flex;align-items:center;justify-content:center;min-height:27px;padding:0 10px;border-radius:999px;background:var(--accent-soft);color:#555bd2;font-size:9px;font-weight:800;white-space:nowrap}.badge-soft{background:#f2f3f7;color:#778095}.ready-badge{background:var(--success-soft);color:var(--success)}
.grid3{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:12px}label{display:grid;gap:6px;color:#515a70;font-size:10px;font-weight:800}label>span{display:block}label small,.field-block small{margin-top:-2px;color:#929aac;font-size:9px;font-weight:500;line-height:1.5}input,select,textarea{width:100%;min-height:42px;border:1px solid var(--line-strong);border-radius:12px;padding:10px 12px;background:#fff;color:#30384d;outline:none;transition:.16s}input::placeholder,textarea::placeholder{color:#a1a8b8}input:focus,select:focus,textarea:focus{border-color:#aeb4ff;box-shadow:0 0 0 3px rgba(93,99,242,.09)}textarea{min-height:94px;resize:vertical}.file-box{min-height:80px;padding:14px;border:1px dashed #cdd2e4;border-radius:14px;background:#fbfcff;cursor:pointer;align-content:center}.file-box:hover{border-color:#afb6ef;background:#f8f8ff}.file-box input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}.file-box b{color:#5058d6;font-size:11px}.file-box span{overflow:hidden;color:#8c95a8;font-size:9px;font-weight:500;text-overflow:ellipsis;white-space:nowrap}.checks{display:flex;gap:10px 18px;flex-wrap:wrap;margin:14px 0}.checks label{display:flex;align-items:center;gap:7px;font-size:10px;font-weight:650}.checks input{width:15px;min-height:0;height:15px;accent-color:var(--accent)}.field-block{margin-top:12px}.actions{display:flex;justify-content:flex-end;gap:8px;margin-top:15px}
.ai-advisor{margin:0 0 18px;padding:17px 18px;border:1px solid #dde1ff;border-radius:17px;background:linear-gradient(145deg,#fbfbff,#f7f7ff)}.ai-advisor-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.ai-advisor-head h3{margin:0;font-size:15px;letter-spacing:-.02em}.ai-advisor-head p{max-width:800px;margin:5px 0 0;color:#737b90;font-size:10px;line-height:1.65}.ai-safe-badge{display:inline-flex;align-items:center;min-height:27px;padding:0 10px;border:1px solid #d9ddff;border-radius:999px;background:#fff;color:#545bd4;font-size:9px;font-weight:800;white-space:nowrap}.ai-goal-row{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:14px;margin-top:14px}.ai-goal textarea{min-height:78px;background:#fff}.ai-actions{display:flex;align-content:flex-start;gap:7px;flex-wrap:wrap}.ai-actions small{width:100%;color:#8e96a8;font-size:9px;line-height:1.55}.ai-status{margin-top:12px;padding:9px 11px;border:1px solid #e7e9f2;border-radius:11px;background:#fff;color:#747d91;font-size:10px}.ai-status.running{border-color:#d9ddff;background:#f7f7ff;color:#5057ca}.ai-status.error{border-color:#f0cdd3;background:#fff8f9;color:#b93d4f}.ai-status.stale{border-color:#f1dfb1;background:#fffaf0;color:#956100}.ai-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:11px}.ai-summary-item{padding:11px 12px;border:1px solid #e4e6f1;border-radius:12px;background:#fff}.ai-summary-item span,.ai-summary-item b{display:block}.ai-summary-item span{color:#838b9e;font-size:9px}.ai-summary-item b{margin-top:3px;font-size:17px}.ai-summary-item.remove b{color:#a66c00}.ai-summary-item.keep b{color:#27855b}.ai-summary-item.review b{color:#5d63f2}.ai-stopword-review{margin-top:11px;padding:12px;border:1px solid #f0dfb7;border-radius:12px;background:#fffaf1}.ai-stopword-review h4{margin:0 0 7px;font-size:11px}.ai-risk-row{display:grid;grid-template-columns:minmax(90px,.7fr) 90px minmax(0,2fr) 88px;align-items:center;gap:8px;padding:8px 0;border-top:1px solid #f2e8d2;font-size:9px}.ai-risk-row:first-of-type{border-top:0}.ai-risk-row .term{font-weight:800;color:#3f4658}.ai-risk-row .reason{color:#747d90}.ai-restore-btn{min-height:28px;padding:0 8px;border:1px solid #dfc98f;border-radius:8px;background:#fff;color:#8f6500;font-size:8px;font-weight:800}.ai-decision{display:inline-flex;align-items:center;justify-content:center;min-height:23px;padding:0 7px;border-radius:999px;font-size:8px;font-weight:800;white-space:nowrap}.ai-decision.remove{background:#fff4d9;color:#946300}.ai-decision.keep{background:#eaf8f0;color:#277954}.ai-decision.review{background:#eef0ff;color:#535bd3}.ai-reason-btn{min-height:28px;padding:0 8px;border:1px solid #d9ddff;border-radius:8px;background:#fff;color:#5961df;font-size:8px;font-weight:750}.ai-reason-btn:hover{background:#f5f6ff}.toolbar,.frequency-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:12px}.toolbar>div:first-child{display:grid;gap:3px}.toolbar b{font-size:11px}.toolbar small{color:#8a93a6;font-size:9px}.toolbar-actions,.frequency-head>div:last-child{display:flex;gap:7px;flex-wrap:wrap}.stopwords-area{min-height:120px;font-family:"Cascadia Code",Consolas,monospace;font-size:11px}.frequency-head{margin-top:18px;padding-top:16px;border-top:1px solid #edf0f5}.frequency-head b{font-size:11px}.frequency-head span{margin-left:8px;color:#8d95a7;font-size:9px}.frequency-table{max-height:560px;overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff}.freq-row{display:grid;grid-template-columns:40px minmax(130px,1.15fr) 100px 100px 96px 120px 90px;align-items:center;gap:8px;padding:10px 12px;border-bottom:1px solid #edf0f5;color:#4e576b;font-size:10px}.freq-row.header{position:sticky;top:0;z-index:2;background:#f7f8fc;color:#858da0;font-size:9px;font-weight:800}.freq-row:last-child{border-bottom:0}.freq-row .term{color:#30384d;font-weight:800}.freq-row input{width:15px;height:15px;min-height:0;accent-color:var(--accent)}.sample-btn{min-height:30px;padding:0 9px;border:1px solid var(--line);border-radius:9px;background:#fff;color:#5961df;font-size:9px;font-weight:750}.sample-btn:hover{background:#f5f6ff;border-color:#cbd0ff}.suggest{display:inline-flex;align-items:center;min-height:22px;padding:0 7px;border-radius:999px;background:var(--warning-soft);color:var(--warning);font-size:8px;font-style:normal;font-weight:800}
.sample-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.sample-card{padding:15px;border:1px solid var(--line);border-radius:15px;background:#fbfcff}.sample-card b{font-size:10px}.sample-card p{margin:7px 0;color:#596174;font-size:10px;line-height:1.7}.sample-card .after{margin-top:10px;padding:10px 11px;border:1px solid #e4e6ff;border-radius:11px;background:#f5f5ff;color:#454da6}.placeholder{padding:30px;color:#929bad;text-align:center;font-size:10px}.final-card{border-color:#dce0ff;background:linear-gradient(145deg,#fff,#fbfbff)}.final-actions{display:flex;align-items:center;gap:10px}
.modal-backdrop{position:fixed;inset:0;z-index:2147482500;display:grid;place-items:center;padding:24px;background:rgba(18,23,47,.42);backdrop-filter:blur(8px)}.modal{width:min(760px,100%);max-height:min(88vh,920px);overflow:auto;padding:23px;border:1px solid #e2e5ef;border-radius:22px;background:#fff;box-shadow:0 30px 90px rgba(18,24,56,.28)}.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:15px}.modal-head h2{margin:0;font-size:20px}.modal-close{width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;background:#fff;color:#777f92;font-size:20px}.modal-close:hover{background:#f4f5fb;color:#4f56d2}.modal-sample{padding:13px 2px;border-top:1px solid #edf0f5}.modal-sample small{color:#929bad;font-size:9px}.modal-sample p{margin:5px 0;color:#4d566a;font-size:10px;line-height:1.7}.toast{position:fixed;z-index:2147482000;right:24px;bottom:24px;max-width:420px;padding:13px 16px;border:1px solid #dce3f0;border-radius:14px;background:#fff;color:#3d465c;box-shadow:0 18px 50px rgba(26,33,68,.18);font-size:12px;font-weight:650}.toast.error{border-color:#f0cdd3;background:#fff8f9;color:#b93d4f}
@media(max-width:1280px){.corpus-app{grid-template-columns:220px minmax(0,1fr)}.empty-state,.workspace{padding-left:28px;padding-right:28px}.metric-cards{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:1060px){.ai-goal-row{grid-template-columns:1fr}.ai-actions{align-items:flex-start}.ai-advisor-head{flex-direction:column}.ai-safe-badge{align-self:flex-start}.corpus-app{display:block}.project-rail{position:relative;top:auto;height:auto;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;padding:16px 24px;border-right:0;border-bottom:1px solid var(--line)}.rail-title{padding:0}.rail-create{width:auto;min-width:180px}.rail-section-head,.workspace-list,.rail-service{display:none}.workbench-bar{top:72px;padding:0 28px}.stage-nav{top:127px}.grid3{grid-template-columns:1fr 1fr}.grid3>*:first-child{grid-column:1/-1}}
@media(max-width:760px){.ai-summary{grid-template-columns:1fr 1fr 1fr}.ai-risk-row{min-width:620px}.ai-stopword-review{overflow:auto}.project-rail{grid-template-columns:1fr;padding:14px 18px}.rail-create{width:100%}.workbench-bar{top:72px;padding:0 18px}.workbench-links .quiet-link:first-child{display:none}.empty-state,.workspace{padding:20px 16px 48px}.project-header{display:block}.header-stats{margin-top:15px}.header-stats>div{flex:1;min-width:0}.project-copy h1{font-size:25px}.stage-nav{top:127px;display:flex;overflow:auto;justify-content:flex-start}.stage-nav a{flex:0 0 auto;min-width:126px}.metric-cards,.grid3,.sample-grid{grid-template-columns:1fr 1fr}.grid3>*:first-child{grid-column:1/-1}.toolbar,.frequency-head{align-items:flex-start;flex-direction:column}.final-actions{align-items:stretch;flex-direction:column}.final-actions .btn{width:100%}.freq-row{min-width:720px}}
@media(max-width:500px){.ai-summary{grid-template-columns:1fr}.ai-actions .btn{width:100%}.workbench-bar{height:48px}.crumbs span:first-child,.crumbs i:first-of-type{display:none}.stage-nav{top:120px}.metric-cards,.grid3,.sample-grid{grid-template-columns:1fr}.grid3>*:first-child{grid-column:auto}.header-stats{display:grid;grid-template-columns:1fr 1fr}.toolbar-actions{display:grid;grid-template-columns:1fr 1fr;width:100%}.toolbar-actions .btn{width:100%}.onboarding-card{display:block}.onboarding-actions{margin-top:14px}.onboarding-actions .btn{width:100%}}

/* Built-in multilingual stopword presets */
.preset-stopwords{margin:0 0 18px;padding:17px 18px;border:1px solid #e3e6ef;border-radius:17px;background:#fbfcff}.preset-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.preset-head h3{margin:0;font-size:15px;letter-spacing:-.02em}.preset-head p{max-width:860px;margin:5px 0 0;color:#737b90;font-size:10px;line-height:1.65}.preset-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:14px}.preset-option{display:flex;align-items:center;gap:9px;min-height:50px;padding:9px 10px;border:1px solid #e5e7ef;border-radius:12px;background:#fff;cursor:pointer}.preset-option:hover{border-color:#cfd3ff;background:#fafaff}.preset-option input{width:15px;height:15px;min-height:0;accent-color:var(--accent);flex:0 0 auto}.preset-copy{display:grid;gap:2px;min-width:0}.preset-copy b{font-size:10px;color:#353d51}.preset-copy small{color:#8b93a6;font-size:8px}.preset-support{margin-left:auto;display:inline-flex;align-items:center;min-height:20px;padding:0 6px;border-radius:999px;background:#eef0ff;color:#575ed0;font-size:7px;font-weight:800}.preset-support.beta{background:#fff6df;color:#9a6a00}.preset-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;padding-top:12px;border-top:1px solid #edf0f5}.preset-foot>div{display:grid;gap:2px}.preset-foot b{font-size:10px;color:#3c4457}.preset-foot small,.preset-note{color:#8991a4;font-size:8px;line-height:1.55}.preset-note{margin:8px 0 0}.preset-option.changed{border-color:#c9ceff;box-shadow:0 0 0 2px rgba(89,97,223,.06)}
@media(max-width:980px){.preset-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.preset-head,.preset-foot{align-items:stretch;flex-direction:column}.preset-grid{grid-template-columns:1fr}.preset-foot .btn{width:100%}}

.archive-export{margin-top:14px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:#fff;display:flex;align-items:center;justify-content:space-between;gap:18px}.archive-export>div{display:flex;flex-direction:column;gap:4px;min-width:0}.archive-export b{font-size:12px;color:var(--ink)}.archive-export small{font-size:10px;line-height:1.65;color:var(--muted);max-width:820px}.archive-export .btn{flex:0 0 auto}@media(max-width:760px){.archive-export{align-items:stretch;flex-direction:column}.archive-export .btn{width:100%}}