:root{
  --ink:#0b2545; --ink2:#13315c; --muted:#5d6b7e; --line:#dde4ee; --bg:#f4f7fb; --card:#fff;
  --accent:#1f6feb; --high:#e63946; --mid:#f4a261; --low:#2a9d8f; --na:#5aa0ff; --gold:#ffd166;
  --r:14px;
}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em}
.hidden{display:none!important}
.muted{color:var(--muted)} .small{font-size:12.5px} .fine{font-size:12px;color:var(--muted);margin:.6em 0 0}
.row{display:flex;align-items:center;flex-wrap:wrap} .gap{gap:10px}

.topbar{display:flex;justify-content:space-between;align-items:center;padding:14px 28px;background:var(--ink);color:#fff}
.brand{display:flex;align-items:center;gap:12px}
.brand b{font-size:19px;letter-spacing:.2px;display:block}
.brand span{font-size:12.5px;opacity:.75}
.logo{width:34px;height:34px;color:#9ec5ff}
.badge{font-size:12.5px;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.12)}
.badge.demo{background:#7a4b00;color:#ffe2b0}

main{max-width:1240px;margin:26px auto;padding:0 20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;margin-bottom:18px;box-shadow:0 1px 2px rgba(11,37,69,.04)}
h1{font-size:26px;margin:0 0 8px} h2{font-size:20px;margin:0 0 12px} h3{font-size:16px;margin:0 0 10px}
.section{margin:26px 0 12px}
.lead{color:#33445c;max-width:640px}

.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:9px 16px;border-radius:10px;font-weight:600;font-size:14px;cursor:pointer;text-decoration:none}
.btn:hover{border-color:#b7c4d6}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:disabled{opacity:.45;cursor:not-allowed}
.btn.ghost{background:transparent}

.upload{display:grid;grid-template-columns:1.5fr 1fr;gap:30px;padding:30px}
.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;border:2px dashed #b9c8dc;border-radius:var(--r);padding:30px 20px;margin:18px 0;text-align:center;cursor:pointer;background:#f9fbfe;transition:.15s}
.drop.over,.drop:hover{border-color:var(--accent);background:#eef4ff}
.drop input{display:none}
.drop-icon{font-size:28px;color:var(--accent)}
.drop small{color:var(--muted);max-width:420px}
.file-list{margin-top:8px;font-size:13px;color:var(--ink2)}
.pipeline{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;align-self:center}
.pipeline li{display:flex;gap:12px;align-items:center;padding:10px 12px;border-radius:10px;background:#f3f6fb}
.pipeline i{font-style:normal;width:28px;height:28px;border-radius:50%;background:var(--ink2);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;flex:none}
.pipeline b{display:block;font-size:14px} .pipeline span{font-size:12.5px;color:var(--muted)}

.steps{list-style:none;padding:0;margin:0 0 10px}
.steps li{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px solid #eef2f7;color:var(--muted)}
.steps li .ic{width:22px;height:22px;border-radius:50%;border:2px solid #c8d3e2;flex:none}
.steps li.active{color:var(--ink);font-weight:600}
.steps li.active .ic{border-color:var(--accent);border-top-color:transparent;animation:spin .8s linear infinite}
.steps li.done{color:var(--ink)} .steps li.done .ic{background:var(--low);border-color:var(--low)}
@keyframes spin{to{transform:rotate(360deg)}}
.error{border-color:#f3b4b9;background:#fff6f6}

.result-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:14px;margin-bottom:14px}
.notice{padding:10px 14px;border-radius:10px;margin-bottom:12px;font-size:14px}
.notice.warn{background:#fff4e0;border:1px solid #f6d49b;color:#7a4b00}
.notice.info{background:#eef4ff;border:1px solid #c9dafc;color:#1d3f7a}

.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:18px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
.stat .v{font-size:26px;font-weight:750;line-height:1.1}
.stat .k{font-size:12.5px;color:var(--muted);margin-top:4px}
.stat.alert .v{color:var(--high)}

.impression ul{margin:0;padding-left:18px} .impression li{margin:4px 0}

.viewers{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.viewer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.viewer-head h3{margin:0}
.tabs{display:flex;background:#eef2f7;border-radius:9px;padding:3px}
.tabs button{border:0;background:transparent;padding:5px 11px;border-radius:7px;font-weight:600;font-size:13px;color:var(--muted);cursor:pointer}
.tabs button.on{background:#fff;color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.08)}
.slice-wrap{background:#0b0f16;border-radius:10px;height:440px;display:grid;place-items:center;overflow:hidden}
.slice-wrap img{max-width:100%;max-height:100%;image-rendering:pixelated}
.slider-row{margin-top:10px} .slider-row input{flex:1}
.check{font-size:13px;color:var(--muted);display:flex;gap:6px;align-items:center;margin-top:6px}
#plot3d{height:440px;border-radius:10px;overflow:hidden;background:#0b0f16}
.legend{font-size:12.5px;color:var(--muted);margin-top:10px;display:flex;gap:10px;align-items:center}
.dot{width:10px;height:10px;border-radius:50%;display:inline-block}
.dot.high{background:var(--high)} .dot.mid{background:var(--mid)} .dot.low{background:var(--low)} .dot.na{background:var(--na)}

.overview{display:flex;gap:20px;align-items:center}
.overview img{height:420px;border-radius:8px;background:#000}

.nodules{display:grid;grid-template-columns:1fr;gap:16px}
.nodule{display:grid;grid-template-columns:auto 1fr;gap:20px;background:#fff;border:1px solid var(--line);border-left:6px solid var(--na);border-radius:var(--r);padding:16px}
.nodule.High{border-left-color:var(--high)} .nodule.Intermediate{border-left-color:var(--mid)} .nodule.Low{border-left-color:var(--low)}
.nodule img{width:420px;max-width:100%;border-radius:8px;background:#000}
.nodule h4{margin:0 0 4px;font-size:17px}
.tag{display:inline-block;font-size:12px;font-weight:700;padding:3px 9px;border-radius:999px;margin-right:6px;background:#eef2f7;color:var(--ink2)}
.tag.High{background:#fde4e6;color:#a4161a} .tag.Intermediate{background:#fdeedd;color:#8a4b0f} .tag.Low{background:#dcf2ef;color:#14635a}
.tag.prio{background:#13315c;color:#fff}
.prob{margin:12px 0 10px}
.prob .bar{height:10px;border-radius:99px;background:linear-gradient(90deg,var(--low),var(--mid) 45%,var(--high));position:relative}
.prob .pin{position:absolute;top:-5px;width:4px;height:20px;background:var(--ink);border-radius:2px;transform:translateX(-2px)}
.prob .lbl{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:4px}
.kv{display:grid;grid-template-columns:repeat(3,1fr);gap:6px 18px;font-size:13.5px;margin:10px 0}
.kv div span{color:var(--muted);display:block;font-size:12px}
.mgmt{font-size:13.5px;background:#f5f8fc;border-radius:8px;padding:9px 12px;margin-top:8px}
.empty{padding:26px;text-align:center;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:var(--r)}

details summary{cursor:pointer}
.table-wrap{overflow:auto;max-height:420px;margin-top:12px}
table{border-collapse:collapse;font-size:12.5px;width:100%}
th,td{padding:5px 8px;border-bottom:1px solid #eef2f7;white-space:nowrap;text-align:right}
th{position:sticky;top:0;background:#f3f6fb;text-align:right;font-weight:650}
td:first-child,th:first-child{text-align:left}
tr.rejected td{color:#9aa6b5}
.model-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:14px;margin-top:12px}
.model-grid .card{margin:0;background:#f9fbfe}

footer{text-align:center;color:var(--muted);font-size:12.5px;padding:24px}
@media (max-width:900px){.upload,.viewers{grid-template-columns:1fr}.nodule{grid-template-columns:1fr}.kv{grid-template-columns:repeat(2,1fr)}}
.privacy{font-size:13px;color:#5d4a00;background:#fff8e1;border:1px solid #f3e1a6;border-radius:10px;padding:9px 12px;margin:0 0 14px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:#33445c;background:#f3f7ff;border:1px solid #d5e2fb;border-radius:10px;padding:10px 12px;margin:-4px 0 14px;cursor:pointer}
.consent input{margin-top:3px}