:root{
  --ink:#0a0c10;          /* deep workspace */
  --panel:#11151c;        /* raised panel */
  --panel-2:#161b24;      /* nested */
  --line:#232a35;         /* hairlines */
  --line-2:#2e3744;
  --fg:#e6ebf2;           /* primary text */
  --fg-dim:#8a96a6;       /* secondary */
  --fg-faint:#5a6675;     /* tertiary */
  --signal:#6cf0c2;       /* attention / accent (phosphor) */
  --signal-deep:#1f8f6f;
  --amber:#ffb454;
  --mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --disp:"Space Grotesk",system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{
  background:
    radial-gradient(1200px 600px at 80% -10%, #12202044 0%, transparent 60%),
    var(--ink);
  color:var(--fg);
  font-family:var(--disp);
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
  overflow-x:hidden;
}
.hidden{display:none !important}
u{text-decoration-color:var(--signal);text-underline-offset:3px}

/* faint moving scanline = lab instrument signature, respects reduced-motion */
.scanline{position:fixed;inset:0;pointer-events:none;z-index:5;
  background:linear-gradient(var(--signal),transparent);opacity:.035;height:140px;
  animation:scan 9s linear infinite}
@keyframes scan{0%{transform:translateY(-160px)}100%{transform:translateY(100vh)}}
@media (prefers-reduced-motion:reduce){.scanline{display:none}}

/* ---------- masthead ---------- */
.masthead{display:flex;justify-content:space-between;align-items:center;
  padding:20px 28px;border-bottom:1px solid var(--line);
  position:sticky;top:0;background:rgba(10,12,16,.82);backdrop-filter:blur(10px);z-index:10}
.masthead-left{display:flex;align-items:center;gap:14px}
.mark{font-size:26px;color:var(--signal);line-height:1;filter:drop-shadow(0 0 10px #6cf0c266)}
.mark-text{display:flex;flex-direction:column}
.mark-title{font-weight:700;letter-spacing:.18em;font-size:14px}
.mark-sub{font-family:var(--mono);font-size:11px;color:var(--fg-faint);letter-spacing:.04em}
.masthead-right{display:flex;align-items:center;gap:22px}
.links{display:flex;align-items:center;gap:4px}
.link{font-family:var(--mono);font-size:12px;color:var(--fg-dim);text-decoration:none;
  padding:6px 11px;border-radius:7px;border:1px solid transparent;transition:.15s;
  background:none;cursor:pointer;line-height:1}
.link:hover{color:var(--fg);border-color:var(--line-2);background:var(--panel)}
.link-btn{font-family:var(--mono)}
.sysstat{font-family:var(--mono);font-size:12px;color:var(--fg-dim);
  display:flex;align-items:center;gap:8px;white-space:nowrap}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block}
.dot-wait{background:var(--amber);box-shadow:0 0 8px var(--amber)}
.dot-ok{background:var(--signal);box-shadow:0 0 8px var(--signal)}
.dot-off{background:#e05a5a;box-shadow:0 0 8px #e05a5a}

/* about modal */
.about{position:fixed;inset:0;z-index:60;display:flex;align-items:center;justify-content:center;
  background:rgba(6,8,12,.72);backdrop-filter:blur(8px);padding:24px}
.about-box{position:relative;max-width:560px;width:100%;background:var(--panel);
  border:1px solid var(--line-2);border-radius:16px;padding:30px}
.about-close{position:absolute;top:16px;right:16px;background:none;border:none;color:var(--fg-faint);
  font-size:16px;cursor:pointer;padding:4px;line-height:1}
.about-close:hover{color:var(--signal)}
.about-box h2{font-size:18px;font-weight:700;margin-bottom:10px}
.about-lead{font-size:13.5px;color:var(--fg-dim);line-height:1.6;margin-bottom:20px}
.about-lead em{color:var(--signal);font-style:normal}
.about-grid{display:flex;flex-direction:column;gap:14px;margin-bottom:22px}
.about-grid div{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:baseline}
.about-grid dt{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--fg-faint)}
.about-grid dd{font-size:13px;color:var(--fg);line-height:1.5}
.about-actions{display:flex;gap:10px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:20px}
.about-link{font-family:var(--mono);font-size:12px;color:var(--signal);text-decoration:none;
  border:1px solid var(--line-2);border-radius:8px;padding:9px 14px;transition:.15s}
.about-link:hover{background:var(--panel-2);border-color:var(--signal)}

/* ---------- lab grid ---------- */
.lab{max-width:1240px;margin:0 auto;padding:32px 28px;
  display:grid;grid-template-columns:340px 1fr;gap:28px;align-items:start}

.block{background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:18px;margin-bottom:18px}
.block-head{display:flex;align-items:baseline;gap:10px;margin-bottom:14px}
.idx{font-family:var(--mono);font-size:11px;color:var(--signal);
  border:1px solid var(--line-2);padding:2px 6px;border-radius:5px}
.block-head h2{font-size:14px;font-weight:600;letter-spacing:.02em}

/* dropzone */
.dropzone{display:block;cursor:pointer}
.dropzone-inner{border:1px dashed var(--line-2);border-radius:11px;
  padding:30px 16px;text-align:center;transition:.2s;background:var(--panel-2)}
.dropzone:hover .dropzone-inner{border-color:var(--signal);background:#13201c}
.dropzone.drag .dropzone-inner{border-color:var(--signal);background:#13241f}
.cross{font-family:var(--mono);font-size:30px;color:var(--fg-faint);line-height:1;margin-bottom:8px}
.dropzone:hover .cross{color:var(--signal)}
.dropzone-inner p{font-size:13.5px}
.hint{display:block;margin-top:6px;font-family:var(--mono);font-size:10.5px;color:var(--fg-faint)}
.specimen{position:relative;border-radius:11px;overflow:hidden;border:1px solid var(--line-2)}
.specimen img{display:block;width:100%;height:230px;object-fit:cover}
.specimen-clear{position:absolute;left:10px;bottom:10px;font-family:var(--mono);
  font-size:11px;color:var(--fg);background:rgba(10,12,16,.78);border:1px solid var(--line-2);
  padding:5px 10px;border-radius:6px;cursor:pointer;backdrop-filter:blur(4px)}
.specimen-clear:hover{border-color:var(--signal);color:var(--signal)}

/* models */
.models{display:flex;flex-direction:column;gap:4px}
.model{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;
  gap:11px;padding:11px 10px;border-radius:9px;cursor:pointer;transition:.15s}
.model:hover{background:var(--panel-2)}
.model input{position:absolute;opacity:0;pointer-events:none}
.model-tick{width:16px;height:16px;border-radius:5px;border:1.5px solid var(--line-2);
  position:relative;transition:.15s}
.model input:checked+.model-tick{background:var(--signal);border-color:var(--signal)}
.model input:checked+.model-tick::after{content:"";position:absolute;left:5px;top:2px;
  width:4px;height:8px;border:solid var(--ink);border-width:0 2px 2px 0;transform:rotate(45deg)}
.model input:focus-visible+.model-tick{outline:2px solid var(--signal);outline-offset:2px}
.model-name{font-size:13px}
.model-meter{width:64px;height:4px;background:var(--line);border-radius:3px;overflow:hidden}
.model-meter i{display:block;height:100%;background:linear-gradient(90deg,var(--signal-deep),var(--signal))}
.model-acc{font-family:var(--mono);font-size:11px;color:var(--fg-dim);width:30px;text-align:right}

/* run */
.run{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;
  background:var(--signal);color:#06120d;border:none;border-radius:11px;
  padding:14px;font-family:var(--disp);font-weight:600;font-size:14px;cursor:pointer;
  transition:.18s;box-shadow:0 0 0 0 #6cf0c200}
.run:hover:not(:disabled){box-shadow:0 8px 28px -8px #6cf0c2aa;transform:translateY(-1px)}
.run:disabled{background:var(--panel-2);color:var(--fg-faint);cursor:not-allowed;
  border:1px solid var(--line)}
.run-key{font-family:var(--mono);font-size:11px;border:1px solid #06120d44;border-radius:5px;
  padding:1px 6px}
.run:disabled .run-key{border-color:var(--line-2)}
.run-note{font-family:var(--mono);font-size:11px;color:var(--fg-faint);
  text-align:center;margin-top:10px}

/* ---------- readout ---------- */
.readout{min-height:420px}
.placeholder{height:100%;min-height:420px;border:1px solid var(--line);border-radius:14px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;background:var(--panel);position:relative;overflow:hidden}
.placeholder-grid{position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:28px 28px;mask-image:radial-gradient(circle at 50% 45%,#000,transparent 72%)}
.placeholder p{font-size:15px;font-weight:600;z-index:1}
.placeholder span{font-family:var(--mono);font-size:11.5px;color:var(--fg-faint);
  margin-top:6px;z-index:1}

.cards{display:flex;flex-direction:column;gap:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;animation:rise .4s cubic-bezier(.2,.7,.3,1) both}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.card{animation:none}}
.card-top{display:flex;justify-content:space-between;align-items:center;
  padding:14px 18px;border-bottom:1px solid var(--line)}
.card-model{display:flex;align-items:center;gap:10px;font-weight:600;font-size:13.5px}
.card-model .led{width:7px;height:7px;border-radius:50%;background:var(--signal);
  box-shadow:0 0 8px var(--signal)}
.card-verdict{font-family:var(--mono);font-size:11px;color:var(--fg-dim)}
.card-body{display:grid;grid-template-columns:200px 1fr;gap:18px;padding:18px}
.cam{display:flex;flex-direction:column;gap:8px}
.cam figure{border:1px solid var(--line-2);border-radius:9px;overflow:hidden;position:relative}
.cam img{display:block;width:100%;height:150px;object-fit:cover;background:var(--panel-2)}
.cam figcaption{position:absolute;left:8px;top:8px;font-family:var(--mono);font-size:9.5px;
  letter-spacing:.08em;text-transform:uppercase;color:var(--fg);
  background:rgba(10,12,16,.7);padding:2px 7px;border-radius:5px}
.verdict{margin-bottom:14px}
.verdict-label{font-family:var(--mono);font-size:10px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--fg-faint)}
.verdict-name{font-size:22px;font-weight:700;margin-top:2px}
.verdict-conf{font-family:var(--mono);font-size:12px;color:var(--signal);margin-top:2px}
.verdict-ooc{font-family:var(--mono);font-size:11px;color:var(--amber);margin-top:8px;
  padding:6px 9px;border:1px solid var(--line-2);border-radius:7px;
  background:rgba(255,180,84,.06);line-height:1.4}
.bars{display:flex;flex-direction:column;gap:9px}
.bar{display:grid;grid-template-columns:1fr auto;gap:8px 12px;align-items:center}
.bar-name{font-size:12px;color:var(--fg-dim);grid-column:1}
.bar-pct{font-family:var(--mono);font-size:11px;color:var(--fg-dim);grid-column:2}
.bar-track{grid-column:1 / -1;height:5px;background:var(--line);border-radius:3px;overflow:hidden}
.bar-fill{height:100%;background:linear-gradient(90deg,var(--signal-deep),var(--signal));
  border-radius:3px;width:0;transition:width .7s cubic-bezier(.2,.7,.3,1)}
.bar:first-child .bar-name{color:var(--fg)}
.card-error{padding:18px;font-family:var(--mono);font-size:12px;color:var(--amber)}

/* ---------- ledger ---------- */
.ledger{max-width:1240px;margin:8px auto 0;padding:0 28px}
.ledger-head{display:flex;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);padding:24px 0 16px}
.ledger-head h2{font-size:15px;font-weight:600}
.ledger-tabs{display:flex;gap:4px;background:var(--panel);border:1px solid var(--line);
  border-radius:9px;padding:4px}
.ltab{font-family:var(--mono);font-size:12px;color:var(--fg-dim);background:none;border:none;
  padding:7px 13px;border-radius:6px;cursor:pointer;transition:.15s}
.ltab:hover{color:var(--fg)}
.ltab.active{background:var(--panel-2);color:var(--signal)}
.ledger-body{border:1px solid var(--line);border-radius:12px;overflow:auto;background:var(--panel)}
table{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:12.5px}
th{text-align:left;padding:12px 16px;color:var(--fg-faint);font-weight:500;
  border-bottom:1px solid var(--line);text-transform:uppercase;letter-spacing:.06em;font-size:10.5px;white-space:nowrap}
td{padding:12px 16px;border-bottom:1px solid var(--line);color:var(--fg-dim);white-space:nowrap}
tr:last-child td{border-bottom:none}
tbody tr:hover td{background:var(--panel-2);color:var(--fg)}

/* ---------- footer ---------- */
.foot{max-width:1240px;margin:0 auto;padding:30px 28px 50px;display:flex;gap:24px;flex-wrap:wrap;
  font-family:var(--mono);font-size:11px;color:var(--fg-faint)}
.foot span{position:relative;padding-left:16px}
.foot span::before{content:"◦";position:absolute;left:0;color:var(--signal)}

/* ---------- overlay ---------- */
.overlay{position:fixed;inset:0;background:rgba(8,10,14,.78);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;z-index:50}
.overlay-box{text-align:center}
.orbit{position:relative;width:54px;height:54px;margin:0 auto 16px}
.orbit i{position:absolute;inset:0;border:2px solid transparent;border-top-color:var(--signal);
  border-radius:50%;animation:orbit 1s linear infinite}
.orbit i:nth-child(2){inset:7px;border-top-color:var(--amber);animation-duration:1.4s}
.orbit i:nth-child(3){inset:14px;border-top-color:var(--fg-dim);animation-duration:1.8s}
@keyframes orbit{to{transform:rotate(360deg)}}
.overlay-box p{font-family:var(--mono);font-size:13px;color:var(--fg-dim)}

/* ---------- responsive ---------- */
@media (max-width:880px){
  .lab{grid-template-columns:1fr;padding:22px 18px;gap:20px}
  .masthead{padding:16px 18px}
  .card-body{grid-template-columns:1fr}
  .cam{flex-direction:row}
  .cam figure{flex:1}
  .ledger,.foot{padding-left:18px;padding-right:18px}
}
@media (max-width:560px){
  .mark-sub{display:none}
  .cam{flex-direction:column}
  .verdict-name{font-size:19px}
  .ledger-head{flex-direction:column;align-items:flex-start;gap:12px}
  .masthead{flex-wrap:wrap;gap:12px}
  .masthead-right{width:100%;justify-content:space-between;gap:10px}
  .link{padding:6px 9px;font-size:11px}
  .about-grid div{grid-template-columns:1fr;gap:3px}
}