:root{
  --bg:#f4f7fc; --surface:#ffffff; --ink:#0b1220; --muted:#5d687d;
  --line:#e3e9f3; --line-2:#d3dceb;
  --brand:#1d4ed8; --brand-2:#2563eb; --brand-soft:#eef4ff;
  --ok:#047857; --ok-soft:#e9fbf3; --warn:#b45309; --warn-soft:#fff7e8;
  --err:#b91c1c; --err-soft:#fdeeee;
  --radius:16px; --shadow:0 1px 2px rgba(15,23,42,.05),0 8px 24px -18px rgba(15,23,42,.25);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font:15px/1.55 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
h1,h2,h3{line-height:1.15;margin:0;letter-spacing:-.02em}
b,strong{font-weight:650}
.muted{color:var(--muted);font-size:13px}
.mono,code,pre{font-family:var(--mono)}
.nowrap{white-space:nowrap}
.right{text-align:right}
.ok{color:var(--ok)}

/* topbar */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:26px;
  padding:12px 28px;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink)}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,#1d4ed8,#3b82f6);color:#fff;font-weight:800;font-size:13px;
  letter-spacing:-.04em;box-shadow:0 6px 14px -8px rgba(29,78,216,.8)}
.brand-mark.big{width:52px;height:52px;font-size:18px;border-radius:14px}
.brand-text{display:flex;flex-direction:column;font-size:14px;letter-spacing:.02em}
.brand-text b{font-weight:800}
.brand-text small{color:var(--muted);font-size:10.5px;text-transform:uppercase;letter-spacing:.14em}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{padding:8px 12px;border-radius:9px;color:var(--muted);font-weight:600;font-size:13.5px}
.nav a:hover{background:var(--brand-soft);color:var(--brand)}
.nav a.on{background:var(--brand-soft);color:var(--brand)}
.logout{margin:0}
button{font:inherit;cursor:pointer}
.ghost{border:1px solid var(--line-2);background:#fff;color:var(--ink);padding:8px 13px;
  border-radius:10px;font-weight:600;font-size:13.5px;transition:.15s}
.ghost:hover{border-color:#b9c7dd;background:#fbfdff}
.ghost.small{padding:5px 10px;font-size:12.5px}
.ghost.wide{display:block;text-align:center;margin-top:14px}
.primary{border:0;background:linear-gradient(180deg,#2563eb,#1d4ed8);color:#fff;
  padding:10px 18px;border-radius:10px;font-weight:700;font-size:14px;
  box-shadow:0 8px 18px -12px rgba(29,78,216,.9);transition:.15s}
.primary:hover{filter:brightness(1.06)}
.primary:disabled{opacity:.55;cursor:not-allowed;filter:none}

/* layout */
.wrap{max-width:1180px;margin:0 auto;padding:26px 22px 48px}
.foot{max-width:1180px;margin:0 auto;padding:18px 22px 30px;color:var(--muted);
  font-size:12px;display:flex;align-items:center;gap:10px;border-top:1px solid var(--line)}
.dot{width:3px;height:3px;border-radius:50%;background:#b9c3d4}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow)}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:18px 20px;border-bottom:1px solid var(--line)}
.card-head h2{font-size:16px;font-weight:750}

/* hero */
.hero{display:grid;grid-template-columns:1.5fr .9fr;gap:28px;align-items:stretch;
  padding:34px;border-radius:22px;border:1px solid #dbe6fa;
  background:
    radial-gradient(900px 260px at 88% -10%,#dbeafe 0%,rgba(219,234,254,0) 60%),
    linear-gradient(135deg,#f8fbff,#eef4ff 55%,#f7faff);
  margin-bottom:22px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(#dbe6fa 1px,transparent 1px),linear-gradient(90deg,#dbe6fa 1px,transparent 1px);
  background-size:34px 34px;
  mask-image:radial-gradient(600px 300px at 85% 0%,#000,transparent 75%)}
.eyebrow{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.16em;
  text-transform:uppercase;color:var(--brand);background:#fff;border:1px solid #d7e3fb;
  padding:5px 9px;border-radius:999px;margin-bottom:14px}
.hero h1{font-size:38px;letter-spacing:-.035em;margin-bottom:12px}
.hero h1 span{color:var(--brand)}
.hero p{color:#3f4c63;max-width:58ch;margin:0 0 16px}
.hero-meta{display:flex;gap:8px;flex-wrap:wrap}
.pill{font-size:12px;font-weight:650;color:#27406e;background:#fff;border:1px solid #d7e3fb;
  padding:5px 10px;border-radius:999px}
.hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-content:center}
.stat{background:rgba(255,255,255,.9);border:1px solid #dbe6fa;border-radius:14px;
  padding:16px;display:flex;flex-direction:column;gap:2px}
.stat b{font-size:26px;letter-spacing:-.03em}
.stat span{color:var(--muted);font-size:11.5px;text-transform:uppercase;letter-spacing:.08em;font-weight:650}
.stat.big{padding:20px}
.stat.big b{font-size:28px}

/* dashboard grid */
.grid-main{display:grid;grid-template-columns:1.62fr .85fr;gap:18px;margin-bottom:18px;align-items:start}
.upload-card{padding-bottom:18px}
.upload-card form{padding:18px 20px 0}
.dropzone{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  border:1.5px dashed #b9c9e6;border-radius:14px;padding:26px 18px;background:#fbfdff;
  cursor:pointer;transition:.16s;text-align:center;min-height:150px}
.dropzone:hover,.dropzone.drag{border-color:var(--brand);background:var(--brand-soft)}
.dropzone input{display:none}
.drop-icon{width:36px;height:36px;border-radius:10px;background:#fff;border:1px solid #d7e3fb;
  display:grid;place-items:center;color:var(--brand);font-size:18px;font-weight:800;margin-bottom:4px}
.filename{font-family:var(--mono);font-size:12px;color:var(--brand);margin-top:4px}
.upload-options{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;margin-top:14px}
.field{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--muted);font-weight:650}
.field select{border:1px solid var(--line-2);border-radius:9px;padding:8px 10px;background:#fff;
  font:inherit;color:var(--ink);min-width:250px}
.check{display:flex;align-items:center;gap:8px;font-size:13px;color:#33415c;flex:1;min-width:220px}
.check input{width:16px;height:16px;accent-color:var(--brand)}
.check small{color:var(--muted)}
.upload-status{font-size:12.5px;margin:10px 0 0;color:var(--muted);min-height:18px}
.steps-hint{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:14px 20px 0;
  border-top:1px solid var(--line);margin-top:14px;font-size:11.5px;color:#51617a}
.steps-hint b{display:inline-grid;place-items:center;width:17px;height:17px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);font-size:10px;margin-right:5px}
.side-card{padding-bottom:16px}
.facts{list-style:none;margin:0;padding:8px 20px}
.facts li{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:13px}
.facts li:last-child{border:0}
.facts span{color:var(--muted)}
.facts b{font-weight:700}

/* cases table */
.cases-card{margin-top:18px}
.table-wrap{overflow:auto}
table.cases{width:100%;border-collapse:collapse;font-size:13px}
.cases th{text-align:left;font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;
  color:var(--muted);padding:11px 20px;border-bottom:1px solid var(--line);background:#fbfcff}
.cases td{padding:12px 20px;border-bottom:1px solid var(--line);vertical-align:middle}
.cases th.num,.cases td.num{text-align:right;font-variant-numeric:tabular-nums}
.cases tr:last-child td{border:0}
.cases tbody tr:hover{background:#fbfdff}
.case-name{font-weight:700;color:var(--ink);display:block;max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.case-name:hover{color:var(--brand)}
.hash{font-family:var(--mono);font-size:10.5px;color:#8b97ac}
.chip{display:inline-block;font-size:11px;font-weight:700;color:#33415c;background:#f2f6fd;
  border:1px solid var(--line);padding:3px 7px;border-radius:6px;margin-right:4px;white-space:nowrap}
.chip.soft{background:#f8fafc;color:#4b5b75;font-weight:600}
.chip.warn{background:var(--warn-soft);border-color:#f3d9a4;color:var(--warn)}
.status{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:750;
  padding:4px 9px;border-radius:999px;white-space:nowrap}
.status:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.s-ready{background:var(--ok-soft);color:var(--ok)}
.s-triaged{background:var(--brand-soft);color:var(--brand)}
.s-running{background:var(--warn-soft);color:var(--warn)}
.s-running:before{animation:pulse 1.2s infinite}
.s-error{background:var(--err-soft);color:var(--err)}
.s-queued{background:#f1f5f9;color:#64748b}
@keyframes pulse{50%{opacity:.25}}
.empty{padding:34px 20px;text-align:center;color:var(--muted);font-size:13.5px}

/* case page */
.back{display:inline-block;color:var(--muted);font-size:13px;margin-bottom:14px;font-weight:600}
.back:hover{color:var(--brand)}
.case-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;margin-bottom:10px}
.case-title{display:flex;gap:14px;align-items:flex-start;min-width:0}
.file-icon{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:18px;border:1px solid #d7e3fb;flex:none}
.case-title h1{font-size:24px;letter-spacing:-.03em;margin:2px 0 8px;word-break:break-all}
.meta-line{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.case-actions{display:flex;gap:8px;flex-wrap:wrap}
.hashbar{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);
  border-radius:11px;padding:9px 13px;font-size:11.5px;color:var(--muted);margin-bottom:16px;flex-wrap:wrap}
.hashbar code{font-size:11px;color:#33415c;word-break:break-all}
.hashbar .created{margin-left:auto;white-space:nowrap}
.copy{border:1px solid var(--line);background:#fff;color:var(--muted);font-size:11px;
  padding:3px 8px;border-radius:6px;font-weight:650}
.copy:hover{color:var(--brand);border-color:#c6d6f2}

.pipeline{padding:16px 20px}
.pipe-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;position:relative}
.pipe-step{display:flex;align-items:center;gap:10px;padding:12px;border:1px solid var(--line);
  border-radius:12px;background:#fbfcff}
.pipe-step .node{width:12px;height:12px;border-radius:50%;border:2px solid #c3cddd;background:#fff;flex:none}
.pipe-step b{display:block;font-size:13px}
.pipe-step small{color:#4f5f76;font-size:11px}
.step-status{margin-left:auto;font-size:10.5px;font-weight:750;color:var(--muted);
  text-transform:uppercase;letter-spacing:.05em}
.pipe-step[data-status="done"]{border-color:#bfe9d6;background:#f7fdfa}
.pipe-step[data-status="done"] .node{background:var(--ok);border-color:var(--ok)}
.pipe-step[data-status="done"] .step-status{color:var(--ok)}
.pipe-step[data-status="running"]{border-color:#f0d7a6;background:#fffdf7}
.pipe-step[data-status="running"] .node{background:var(--warn);border-color:var(--warn);animation:pulse 1.2s infinite}
.pipe-step[data-status="running"] .step-status{color:var(--warn)}
.pipe-step[data-status="error"]{border-color:#f2caca;background:#fffafa}
.pipe-step[data-status="error"] .node{background:var(--err);border-color:var(--err)}
.pipe-step[data-status="error"] .step-status{color:var(--err)}
.pipe-actions{display:flex;gap:10px;align-items:center;margin-top:12px;flex-wrap:wrap}
.pipe-actions select{border:1px solid var(--line-2);border-radius:9px;padding:8px 10px;
  background:#fff;font:inherit;font-size:13px;color:var(--ink);flex:0 1 360px;min-width:240px;max-width:360px}
.run-status{font-size:12.5px;color:var(--muted);margin:8px 0 0;min-height:16px}

.tabs-card{margin-top:16px;overflow:hidden}
.tabs{display:flex;gap:2px;padding:8px 10px 0;border-bottom:1px solid var(--line);
  overflow-x:auto;background:#fbfcff}
.tab{border:0;background:transparent;color:var(--muted);font-size:12.5px;font-weight:700;
  padding:9px 11px;border-radius:8px 8px 0 0;white-space:nowrap;border-bottom:2px solid transparent}
.tab:hover{color:var(--brand)}
.tab.on{color:var(--brand);background:#fff;border-bottom-color:var(--brand)}
.pane{display:none;padding:18px 20px}
.pane.on{display:block}
.pane-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;
  font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:750}
pre.code{background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:14px;
  max-height:560px;overflow:auto;font-size:12px;line-height:1.55;white-space:pre;
  color:#16233b;margin:0}
pre.log{max-height:420px;font-size:11.5px}
.log-switch{display:flex;gap:6px;margin-bottom:8px}
.chipbtn{border:1px solid var(--line);background:#fff;color:var(--muted);font-size:11.5px;
  font-weight:700;padding:5px 9px;border-radius:7px}
.chipbtn.on{background:var(--brand-soft);border-color:#c9d9f7;color:var(--brand)}

/* markdown */
.md{font-size:14px;color:#1c2942;max-width:100%;overflow-wrap:anywhere}
.md h1{font-size:22px;margin:6px 0 10px}
.md h2{font-size:17px;margin:20px 0 8px;padding-bottom:6px;border-bottom:1px solid var(--line)}
.md h3{font-size:14.5px;margin:16px 0 6px}
.md p{margin:8px 0}
.md ul,.md ol{margin:6px 0 10px;padding-left:20px}
.md li{margin:3px 0}
.md code{background:#f1f5fb;border:1px solid #e3e9f3;border-radius:5px;padding:1px 5px;font-size:12px}
.md pre{background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:12px;overflow:auto;font-size:12px}
.md pre code{background:none;border:0;padding:0}
.md table{border-collapse:collapse;margin:10px 0;font-size:12.5px;width:100%}
.md th,.md td{border:1px solid var(--line);padding:7px 9px;text-align:left;vertical-align:top}
.md th{background:#f7faff;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.md blockquote{border-left:3px solid #c9d9f7;margin:10px 0;padding:2px 12px;color:#45526b;background:#fbfdff}
.md.details,.md.scroll{max-height:720px;overflow:auto;padding-right:6px}
.md img{max-width:100%}

/* knowledge */
.page-head{margin:6px 0 20px}
.page-head h1{font-size:30px;margin:0 0 8px}
.page-head p{color:var(--muted);max-width:70ch;margin:0}
.notes-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-bottom:18px}
.note-card{background:#fff;border:1px solid var(--line);border-radius:13px;padding:14px;
  display:flex;flex-direction:column;gap:5px;color:var(--ink);transition:.15s;box-shadow:var(--shadow)}
.note-card:hover{border-color:#bfd2f2;transform:translateY(-1px)}
.note-num{font-size:10.5px;font-weight:800;color:var(--brand);letter-spacing:.1em}
.note-card b{font-size:13px;line-height:1.3}
.note-card .muted{font-size:11px}
.knowledge-card{padding:20px}
.credit-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px}

/* login */
.login-body{background:
  radial-gradient(900px 400px at 15% 0%,#e2ecff 0,rgba(226,236,255,0) 60%),
  radial-gradient(700px 400px at 100% 100%,#e8f7f0 0,rgba(232,247,240,0) 55%),#f4f7fc;
  min-height:100vh}
.login-wrap{min-height:calc(100vh - 40px);display:grid;place-items:center;padding:28px}
.login-card{width:100%;max-width:410px;background:#fff;border:1px solid var(--line);
  border-radius:20px;padding:30px;box-shadow:0 24px 60px -36px rgba(15,23,42,.45)}
.login-brand{display:flex;gap:13px;align-items:center;margin-bottom:24px}
.login-brand h1{font-size:19px;font-weight:800;letter-spacing:-.02em}
.login-brand h1 b{color:var(--brand)}
.login-brand p{margin:2px 0 0;color:var(--muted);font-size:12.5px}
.login-form{display:flex;flex-direction:column;gap:8px}
.login-form label{font-size:12px;font-weight:700;color:#33415c}
.login-form input{border:1px solid var(--line-2);border-radius:11px;padding:12px 13px;font:inherit;
  background:#fbfdff;outline:none;transition:.15s}
.login-form input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px #e4edff}
.login-form .primary{margin-top:8px;padding:12px}
.err{color:var(--err);background:var(--err-soft);border:1px solid #f3cccc;border-radius:8px;
  padding:7px 10px;font-size:12.5px;margin:2px 0}
.login-foot{margin-top:20px;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);
  font-size:11px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.lock{font-size:9.5px;font-weight:800;letter-spacing:.08em;color:var(--ok);background:var(--ok-soft);
  border:1px solid #c8ecd9;padding:2px 5px;border-radius:5px}

@media(max-width:980px){
  .hero{grid-template-columns:1fr;padding:26px}
  .hero h1{font-size:31px}
  .grid-main{grid-template-columns:1fr}
  .notes-grid{grid-template-columns:repeat(2,1fr)}
  .case-head{flex-direction:column}
  .pipe-steps{grid-template-columns:1fr}
  .credit-stats{grid-template-columns:1fr}
}
@media(max-width:620px){
  .wrap{padding:16px 13px 40px}
  .topbar{padding:9px 12px;gap:8px}
  .brand-text{display:none}
  .brand-mark{width:32px;height:32px}
  .nav{gap:0}
  .nav a{padding:7px 7px;font-size:12px}
  .logout .ghost{padding:6px 9px;font-size:12px}
  .hero{padding:20px;border-radius:16px}
  .hero h1{font-size:24px}
  .stat b{font-size:22px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .steps-hint{grid-template-columns:1fr}
  .upload-options .field select{min-width:100%;width:100%}
  .field{width:100%}
  .notes-grid{grid-template-columns:1fr}
  .tabs{padding:6px 6px 0}
  .pane{padding:14px 13px}
  .case-title h1{font-size:19px}
}