/* RAG Chunker • self hosted • no remote assets */
:root{
  --bg:#f4f6fb;--ink:#172033;--muted:#65708a;--card:#fff;--line:#dfe5ef;
  --nav:#121628;--accent:#5b5cf0;--accent2:#7c4dff;--cyan:#4dc8e9;
  --green:#14795c;--green-bg:#eaf8f2;--amber:#9a6612;--amber-bg:#fff7e2;
  --red:#b1374b;--red-bg:#fff0f3;--blue-bg:#eef4ff;--radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:linear-gradient(180deg,#f8f9fd 0,#f1f4fa 100%);color:var(--ink);font:14px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
button:disabled{opacity:.5;cursor:wait}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,p{margin:0}
h1{font-size:42px;line-height:1.08;letter-spacing:-1.7px}
h2{font-size:18px;letter-spacing:-.3px}
code,pre{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.hidden{display:none!important}
.topbar{height:76px;padding:0 30px;display:flex;align-items:center;justify-content:space-between;gap:20px;background:rgba(255,255,255,.92);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30;backdrop-filter:blur(18px)}
.brand-row{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand-row:hover{text-decoration:none}
.brand-row strong{display:block;font-size:18px}
.brand-row small{display:block;color:var(--muted);font-size:11px;margin-top:1px}
.brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--cyan),var(--accent2));color:#fff;display:grid;place-items:center;font-weight:800;box-shadow:0 8px 22px #5b5cf033}
.brand-row.compact .brand-mark{width:38px;height:38px;border-radius:11px}
.top-actions{display:flex;align-items:center;gap:14px}
.privacy-pill{background:#eefaf7;color:#26715f;border:1px solid #d2eee5;border-radius:999px;padding:7px 11px;font-size:11px;font-weight:650}
.workspace{max-width:1540px;margin:0 auto;padding:32px 28px 55px}
.hero{display:grid;grid-template-columns:1.35fr 1fr;gap:30px;align-items:center;background:linear-gradient(135deg,#171a33,#24235b 58%,#32206a);color:#fff;border-radius:26px;padding:45px 48px;margin-bottom:24px;box-shadow:0 24px 70px #26306c18}
.hero .eyebrow{color:#7de2f4}
.hero p{color:#c9cce5;max-width:850px;font-size:15px;margin-top:16px;line-height:1.75}
.hero-flow{display:flex;flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:9px}
.hero-flow span{padding:11px 14px;border-radius:12px;background:#ffffff12;border:1px solid #ffffff25;font-size:12px;font-weight:700}
.hero-flow b{color:#7de2f4}
.eyebrow{font-size:10px;letter-spacing:1.8px;font-weight:800;color:var(--accent);margin-bottom:10px}
.steps{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.step-card,.workbench,.results-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 28px #25314b08}
.step-card{padding:24px}
.step-head{display:flex;align-items:flex-start;gap:13px;margin-bottom:20px}
.step-head>div{min-width:0}
.step-head p{font-size:12px;color:var(--muted);margin-top:4px}
.step-no{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#eef0ff;color:var(--accent);font-weight:800;font-size:11px;flex:none}
.status-chip{margin-left:auto;border-radius:999px;background:#f1f3f7;color:#778097;padding:5px 9px;font-size:10px;font-weight:750;text-transform:uppercase;letter-spacing:.5px}
.status-chip.good{background:var(--green-bg);color:var(--green)}
.status-chip.bad{background:var(--red-bg);color:var(--red)}
.status-chip.busy{background:#edf7ff;color:#2374a1}
.dropzone{display:flex;min-height:138px;border:1.5px dashed #b9c5dd;border-radius:15px;background:#fafbfe;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:22px;transition:.15s;cursor:pointer}
.dropzone.drag{border-color:var(--accent);background:#f3f3ff}
.dropzone input{display:none}
.dropzone strong{font-size:15px}
.dropzone span{font-size:11px;color:var(--muted);margin-top:6px}
.metric-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:16px}
.metric-row>div{border:1px solid var(--line);border-radius:12px;padding:13px 14px;background:#fafbfd}
.metric-row small{display:block;color:var(--muted);font-size:10px}
.metric-row strong{display:block;font-size:20px;margin-top:3px}
.document-summary{margin-top:14px;border:1px solid #dbe7f6;background:#f6faff;border-radius:12px;padding:13px 15px;font-size:12px}
.form-grid{display:grid;gap:13px}
.form-grid.five{grid-template-columns:1fr .55fr 1.2fr 1fr 1fr}
.form-grid.two{grid-template-columns:1fr 1fr}
.router-grid{grid-template-columns:1.5fr 1.25fr .65fr .65fr}
label>span{display:block;font-size:10px;font-weight:750;color:#576078;letter-spacing:.3px;text-transform:uppercase;margin-bottom:6px}
label span em{font-style:normal;color:#9aa1b3;text-transform:none;font-weight:500}
input,select,textarea{width:100%;border:1px solid #d7deea;background:#fff;border-radius:10px;min-height:42px;padding:9px 11px;color:var(--ink);outline:0}
input:focus,select:focus,textarea:focus{border-color:#8e8ff5;box-shadow:0 0 0 3px #5b5cf012}
textarea{resize:vertical}
.actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:16px}
.actions .hint{margin-left:auto}
button{border:0;border-radius:10px;min-height:40px;padding:9px 14px;font-weight:700;font-size:12px}
.primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 7px 18px #5b5cf026}
.secondary{background:#fff;border:1px solid #d8deea;color:#303a54}
.ghost{background:transparent;color:#65708a}
.danger{background:var(--red-bg);border:1px solid #f0cad2;color:var(--red)}
.hint{font-size:11px;color:var(--muted);line-height:1.5}
.inline-check{display:flex;align-items:center;gap:7px;color:#4b5670;font-size:11px;font-weight:650}
.inline-check input{width:16px;height:16px;min-height:0;accent-color:var(--accent)}
.import-options{display:flex;align-items:end;padding-bottom:8px}
.compatibility{margin-top:13px;padding:12px 14px;border-radius:11px;background:#f6f8fc;border:1px solid var(--line);font-size:11px}
.compatibility.good{background:var(--green-bg);border-color:#ccebdd;color:#246a57}
.compatibility.warn{background:var(--amber-bg);border-color:#f0dfae;color:#7b5919}
.mapping-details{margin-top:14px;border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.mapping-details summary{cursor:pointer;font-weight:750;font-size:12px}
.mapping-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:14px}
.mapping-grid label span{text-transform:none}
.router-result{margin-top:14px;padding:13px 14px;border-radius:11px;background:var(--green-bg);border:1px solid #caebdd;color:#245f50;font-size:12px}
.major-actions{margin-top:18px}
.progress-shell{margin-top:18px}
.progress-top{display:flex;justify-content:space-between;font-size:11px;margin-bottom:8px}
.progress-track{height:9px;background:#edf0f5;border-radius:999px;overflow:hidden}
.progress-track>div{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--cyan),#5bd6a7);transition:width .2s}
.import-metrics{margin-top:13px}
.workbench{display:grid;grid-template-columns:390px 1fr;overflow:hidden;margin-top:22px;height:620px}
.chunk-list-panel{border-right:1px solid var(--line);min-width:0;display:flex;flex-direction:column}
.panel-title{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:14px}
.panel-title p{font-size:11px;color:var(--muted);margin-top:3px}
.panel-title input{max-width:160px;min-height:35px;font-size:11px}
.chunk-list{overflow:auto;min-height:0;padding:7px}
.chunk-item{display:grid;grid-template-columns:34px 1fr auto;gap:10px;align-items:center;padding:11px;border-radius:10px;cursor:pointer;border:1px solid transparent}
.chunk-item:hover{background:#f7f8fc}
.chunk-item.active{background:#f1f2ff;border-color:#d8d9ff}
.chunk-item .num{width:30px;height:30px;border-radius:8px;background:#f1f4f8;display:grid;place-items:center;font-size:10px;font-weight:750;color:#6e7890}
.chunk-item strong{font-size:12px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chunk-item small{font-size:10px;color:var(--muted);display:block;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dot{width:9px;height:9px;border-radius:50%;background:#c4cad5}
.dot.valid,.dot.embedded{background:#36b487}
.dot.invalid,.dot.db_failed,.dot.embedding_failed{background:#df6575}
.dot.duplicate{background:#9ba2b2}
.dot.inserting{background:#55a6db;box-shadow:0 0 0 4px #55a6db22}
.chunk-preview{min-width:0;display:flex;flex-direction:column}
.preview-tabs{display:flex;gap:5px;padding:10px;border-bottom:1px solid var(--line)}
.tab{background:#f1f3f7;color:#6e7890;min-height:34px}
.tab.active{background:#202640;color:#fff}
.preview-scroll{overflow:auto;white-space:pre-wrap;padding:22px;line-height:1.7;font-size:13px;flex:1;min-height:0}
pre.preview-scroll{margin:0;background:#151a2c;color:#dce5ff;font-size:11px}
.results-panel{margin-top:22px;overflow:hidden}
.results-table-wrap{max-height:560px;overflow:auto}
table{width:100%;border-collapse:collapse;font-size:11px}
th{position:sticky;top:0;background:#f8f9fc;color:#7e879b;text-transform:uppercase;letter-spacing:.6px;font-size:9px;text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);z-index:2}
td{padding:12px 14px;border-bottom:1px solid #eef1f5;vertical-align:top}
td .state{font-weight:750}
td small{display:block;color:var(--muted);margin-top:3px}
.state.embedded{color:var(--green)}
.state.duplicate{color:#7d8494}
.state.embedding_failed,.state.db_failed{color:var(--red)}
.state.inserted{color:#286f9c}
.notice{padding:12px 14px;border-radius:10px;margin:14px 0;font-size:12px}
.notice.danger{background:var(--red-bg);color:var(--red);border:1px solid #f1c7d0}
.auth-shell{width:min(560px,calc(100% - 30px));margin:70px auto}
.public-page{background:#f4f6fb}
.auth-shell>.brand-row{justify-content:center;margin-bottom:22px}
.auth-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:32px;box-shadow:0 25px 80px #26305012}
.auth-card h1{font-size:31px}
.auth-card>p{color:var(--muted);margin-top:12px}
.login-form{display:grid;gap:16px;margin-top:23px}
.auth-card pre{background:#151a2c;color:#dce5ff;padding:13px;border-radius:10px;overflow:auto;font-size:11px}
.auth-card textarea{margin-top:8px}
footer{text-align:center;color:#8a92a5;font-size:10px;padding:30px 10px 0}
@media(max-width:1100px){
  .steps{grid-template-columns:1fr}.hero{grid-template-columns:1fr}.hero-flow{justify-content:flex-start}
  .form-grid.five{grid-template-columns:repeat(2,1fr)}.router-grid{grid-template-columns:1fr 1fr}
  .workbench{grid-template-columns:320px 1fr}
}
@media(max-width:760px){
  .topbar{padding:0 15px}.privacy-pill{display:none}.workspace{padding:18px 12px 40px}
  .hero{padding:30px 24px;border-radius:20px}h1{font-size:34px}
  .form-grid.five,.form-grid.two,.router-grid,.mapping-grid{grid-template-columns:1fr}
  .workbench{grid-template-columns:1fr;height:auto}.chunk-list-panel{height:310px;border-right:0;border-bottom:1px solid var(--line)}
  .chunk-preview{height:520px}.metric-row{grid-template-columns:repeat(2,1fr)}
}
.document-resolution{border:1px solid #d7deea;background:#f8faff;border-radius:10px;min-height:70px;padding:10px 12px;display:flex;flex-direction:column;justify-content:center}
.document-resolution.good{background:var(--green-bg);border-color:#ccebdd}
.document-resolution.warn{background:var(--amber-bg);border-color:#f0dfae}
.document-resolution.bad{background:var(--red-bg);border-color:#f0cad2}
.document-resolution .resolution-label{font-size:9px;font-weight:800;letter-spacing:.55px;text-transform:uppercase;color:#7d869b;margin-bottom:4px}
.document-resolution strong{font-size:12px}
.document-resolution small{color:var(--muted);font-size:10px;margin-top:3px;line-height:1.4}