:root{
  --bg:#f3f5f8; --card:#fff; --ink:#0f172a; --muted:#64748b; --line:#e2e8f0; --soft:#f8fafc;
  --navy:#0f172a; --green:#059669; --blue:#0369a1; --red:#dc2626; --tagbg:#eef1f5;
  --sans:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);font-size:13px;line-height:1.4;padding:6px 0 40px;-webkit-font-smoothing:antialiased}
button,input,select{font:inherit;color:inherit}
.sheet{max-width:713px;margin:0 auto;background:var(--card);border-radius:14px;box-shadow:0 6px 24px rgba(15,23,42,.1),0 1px 3px rgba(15,23,42,.06);padding:28px 30px 22px}

/* header */
.head{text-align:center;margin-bottom:16px}
.eyebrow{font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:#475b78;font-weight:500;margin-bottom:2px}
.head h1{font-size:22px;font-weight:800;letter-spacing:.005em;text-transform:uppercase;line-height:1.2}
.badge-title{display:inline-block;margin-top:9px;padding:6px 12px;background:#eef2f7;border:1px solid var(--line);border-radius:4px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#1e293b}

/* meta */
.meta{display:grid;grid-template-columns:1.1fr 1.1fr 1.15fr;gap:12px;padding:12px;background:var(--soft);border:1px solid var(--line);border-radius:8px}
.field label,.person label,.sig-top label{display:block;font-size:9.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#475569;margin-bottom:4px}
.req{color:var(--red)}
input[type=text],input[type=date],select{width:100%;height:27px;padding:0 9px;background:#fff;border:1px solid #cbd5e1;border-radius:5px;font-size:11px;color:#1e293b;outline:none;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(3,105,161,.15)}
select{appearance:none;-webkit-appearance:none;padding-right:26px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none' stroke='%23334155' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 1l4 4 4-4'/%3E%3C/svg%3E") no-repeat right 10px center}
.mono{font-family:var(--mono);font-size:10.5px}
.input-icon{position:relative}
.input-icon input{padding-right:24px}
.hash{position:absolute;right:9px;top:50%;transform:translateY(-50%);color:#94a3b8;font-family:var(--mono);font-size:11px;pointer-events:none}
.divider{border:0;border-top:1px solid var(--line);margin:18px 0 20px}

/* section headers */
.block{margin-bottom:22px}
.block-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1.5px solid var(--ink);padding-bottom:6px;margin-bottom:12px}
.block-head h2{display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase}
.num{display:inline-flex;align-items:center;justify-content:center;width:17px;height:17px;border-radius:50%;background:var(--ink);color:#fff;font-size:9.5px;font-weight:700;letter-spacing:0}
.hint{font-size:9.5px;color:var(--muted)}
.hint.dark{font-size:10px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#334155}
.link{background:none;border:0;color:var(--blue);text-decoration:underline;font-size:9.5px;cursor:pointer;margin-left:6px}

/* rows */
.rows{border:1px solid var(--line);border-radius:8px;overflow:hidden}
.row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 13px 12px 12px;border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:0}
.row-text{display:flex;flex-direction:column;gap:2px}
.idx{font-family:var(--mono);font-size:9px;color:#94a3b8}
.row-text strong{font-size:11px;font-weight:600}
.row-text small{font-size:9.5px;color:var(--muted)}
.toggle{display:flex;gap:6px;flex-shrink:0}
.toggle button{height:26px;min-width:46px;padding:0 10px;background:#fff;border:1px solid #cbd5e1;border-radius:4px;font-size:9.5px;font-weight:600;cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.toggle[data-type=ok] button{min-width:44px}
.toggle[data-type=ok] button:last-child{min-width:56px}
.toggle button:hover:not(.on){background:var(--soft)}
.toggle[data-type=pass] button.on[data-v=pass],.toggle[data-type=ok] button.on[data-v=ok]{background:var(--green);border-color:var(--green);color:#fff}
.toggle[data-type=ok] button.on[data-v=ok]{background:var(--blue);border-color:var(--blue)}
.toggle button.on[data-v=fail],.toggle button.on[data-v=notok]{background:var(--red);border-color:var(--red);color:#fff}

/* kit */
.note{font-size:10px;color:var(--muted);margin:-1px 0 9px}
.kit{display:grid;grid-template-columns:1fr 1fr;gap:8px 12px;padding:12px;background:var(--soft);border:1px solid var(--line);border-radius:8px}
.kit-item{position:relative;display:flex;align-items:center;gap:8px;height:30px;padding:0 9px;background:#fff;border:1px solid var(--line);border-radius:5px;cursor:pointer}
.kit-item input{position:absolute;opacity:0;pointer-events:none}
.cb{width:12px;height:12px;border:1px solid #94a3b8;border-radius:2px;background:#fff;display:grid;place-items:center;flex-shrink:0}
.kit-item input:checked+.cb{background:var(--blue);border-color:var(--blue)}
.kit-item input:checked+.cb::after{content:"";width:3px;height:6px;border:solid #fff;border-width:0 1.5px 1.5px 0;transform:rotate(45deg) translate(-.5px,-.5px)}
.kit-item input:focus-visible+.cb{box-shadow:0 0 0 3px rgba(3,105,161,.25)}
.kit-name{font-size:10.5px;font-weight:600;flex:1}
.qty{font-family:var(--mono);font-size:9px;padding:2px 6px;background:var(--tagbg);border-radius:3px;color:#475569}

/* people */
.people{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.person{padding:11px 11px 12px;border:1px solid var(--line);border-radius:8px;background:#fff}
.person-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.person label{margin:0}
.person input{height:28px;font-size:11px;background:var(--soft)}
.tag{font-family:var(--mono);font-size:7.5px;letter-spacing:.06em;text-transform:uppercase;padding:2px 6px;border-radius:3px;background:var(--tagbg);color:#64748b}
.tag.blue{background:#dbeafe;color:#0369a1}

/* approval */
.approval{border:1.5px solid var(--ink);border-radius:10px;padding:14px 14px 14px;margin-bottom:18px}
.approval .block-head{border-bottom:1px solid var(--line);margin-bottom:10px}
.approval-grid{display:grid;grid-template-columns:1.65fr 1fr;gap:16px}
.sig-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:5px}
.sig-top label{margin:0}
.date-hint{text-transform:none;letter-spacing:0;font-weight:400;color:#64748b}
.clear{background:none;border:0;color:var(--red);font-size:9px;text-decoration:underline;cursor:pointer}
.sig-box{position:relative;height:82px;border:1px solid #cbd5e1;border-radius:4px;background:#fff;overflow:hidden}
.sig-box canvas{position:absolute;inset:0;width:100%;height:100%;cursor:crosshair;touch-action:none}
.sig-line{position:absolute;left:17px;right:17px;bottom:9px;display:flex;justify-content:space-between;border-top:1px dashed #cbd5e1;padding-top:3px;font-family:var(--mono);font-size:7.5px;letter-spacing:.06em;text-transform:uppercase;color:#a8b3c3;pointer-events:none}
.approval-grid input[type=date]{height:27px}
.verified{display:flex;align-items:center;gap:9px;margin-top:11px;padding:9px 10px;background:#dcfce7;border:1px solid #bbf7d0;border-radius:5px}
.check{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:#10b981;color:#fff;font-size:11px;flex-shrink:0}
.verified strong{display:block;font-size:9px;font-weight:600;color:#065f46}
.verified small{display:block;font-size:8.5px;color:#059669}

/* footer */
.foot{display:flex;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:14px}
.autosave{display:flex;align-items:center;gap:6px;font-size:9px;color:var(--muted)}
.autosave i{width:5px;height:5px;border-radius:50%;background:#10b981}
.actions{display:flex;gap:10px}
.btn{display:inline-flex;align-items:center;gap:7px;height:26px;padding:0 13px;border-radius:4px;font-size:9.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;transition:background .15s,transform .05s}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:#fff;border:1px solid #cbd5e1;color:#1e293b}
.btn.ghost:hover{background:var(--soft)}
.btn.primary{height:28px;background:var(--navy);border:1px solid var(--navy);color:#fff;padding:0 16px}
.btn.primary:hover{background:#1e293b}
button:focus-visible{outline:2px solid var(--blue);outline-offset:2px}

/* responsive */
@media (max-width:640px){
  body{padding:0}
  .sheet{border-radius:0;padding:20px 16px}
  .head h1{font-size:18px}
  .meta,.people,.kit,.approval-grid{grid-template-columns:1fr}
  .block-head{flex-wrap:wrap;gap:4px}
  .row{flex-direction:column;align-items:flex-start}
  .foot{flex-direction:column;align-items:stretch}
  .actions{justify-content:space-between}
}