:root{
  /* Brand — deep navy authority + a single teal accent for the dental
     specialty. Deliberately one accent, not several: a specialized
     hospital reads as considered, not decorated. */
  --navy:#132A46;
  --navy-deep:#0B1B2E;
  --navy-600:#1B3A5C;      /* hover/active on navy surfaces */
  --teal:#1E7A72;
  --teal-600:#186A63;      /* hover on teal buttons */
  --teal-soft:#E4F0EE;     /* tint backgrounds */
  --teal-100:#C9E6E1;      /* selected/active tint, stronger than -soft */

  /* Surfaces */
  --paper:#F6F5F1;
  --card:#FFFFFF;

  /* Neutrals — one ramp, used consistently instead of ad-hoc grays */
  --ink:#1C2733;           /* primary text */
  --ink-soft:#5B6B78;      /* secondary text */
  --ink-faint:#8A97A1;     /* placeholders, disabled */
  --line:#D8DDE1;          /* default borders/dividers */
  --line-soft:#E9ECEE;     /* subtler dividers, table zebra */

  /* Semantic — kept in the same warm/cool family as the brand so
     alerts never feel like a different app */
  --amber:#B8761A;
  --danger:#B23A2E;
  --success:var(--teal);

  /* Typography — Sora for brand/heading moments (distinct, geometric),
     Inter for everything read at length, IBM Plex Mono for anything
     that must be scanned/verified character-by-character (tracking
     numbers, lot numbers, access codes). */
  --font-display:'Sora', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(30,122,114,.08), transparent 60%),
    var(--paper);
  font-family:var(--font-body);
  color:var(--ink);
  padding:28px 16px 60px;
  min-height:100vh;
}

/* ===== Sheet / header ===== */
.sheet{
  max-width:920px;
  margin:0 auto;
  background:var(--card);
  border-radius:14px;
  box-shadow:0 1px 2px rgba(11,27,46,.06), 0 20px 48px -24px rgba(11,27,46,.28);
  overflow:hidden;
  border:1px solid var(--line);
}
.top{
  background:linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%);
  color:#fff;
  padding:26px 30px 22px;
  position:relative;
}
.top::after{
  content:"";
  position:absolute; inset:auto 0 0 0; height:6px;
  background:repeating-linear-gradient(90deg, var(--teal) 0 18px, #2C9187 18px 20px, transparent 20px 38px);
  opacity:.9;
}
.top-row{display:flex; justify-content:space-between; align-items:flex-start; gap:16px; flex-wrap:wrap;}
.brand{display:flex; align-items:center; gap:12px;}
.brand-logo-shell{
  display:inline-flex; align-items:center; justify-content:center; flex:none;
  padding:7px 9px; border-radius:10px;
  background:rgba(255,255,255,.96);
  border:1px solid rgba(255,255,255,.22);
  box-shadow:0 8px 22px -14px rgba(0,0,0,.7);
}
.brand-logo{display:block; width:140px; height:auto;}
.brand-text h1{margin:0; font-family:var(--font-display); font-weight:800; font-size:19px; letter-spacing:-.01em;}
.brand-text .brand-sub{margin:1px 0 0; font-size:10.5px; color:#8AA0B3; letter-spacing:.02em;}
.brand-text p{margin:2px 0 0; font-size:12.5px; color:#B9C6D3;}
.track{
  background:rgba(255,255,255,.06);
  border:1px dashed rgba(255,255,255,.35);
  border-radius:10px;
  padding:10px 14px;
  min-width:210px;
  font-family:var(--font-mono);
  text-align:right;
}
.track .k{font-size:10.5px; color:#9FB1C0; letter-spacing:.06em; text-transform:uppercase;}
.track .v{font-size:14px; font-weight:600; color:#fff; margin-top:2px;}
.doc-title{
  font-family:var(--font-display); font-weight:800;
  font-size:22px; margin:20px 0 2px;
}
.doc-sub{font-size:13px; color:#B9C6D3; margin:0;}
.userbar{display:flex; align-items:center; gap:10px; font-size:12px; color:#B9C6D3;}
.userbar a, .userbar button{
  background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.25);
  color:#fff; font-family:var(--font-body); font-size:11.5px; font-weight:600;
  padding:6px 11px; border-radius:8px; cursor:pointer; text-decoration:none;
}
.userbar a:hover, .userbar button:hover{background:rgba(255,255,255,.16);}

/* ===== Sections ===== */
.body{padding:26px 30px 30px;}
.section{margin-bottom:26px;}
.section-head{display:flex; align-items:center; gap:10px; margin-bottom:12px;}
.section-head .dot{width:8px; height:8px; border-radius:50%; background:var(--teal); flex:none;}
.section-head h2{font-family:var(--font-display); font-size:15.5px; font-weight:700; margin:0;}
.section-head .hint{font-size:12px; color:var(--ink-soft); margin-inline-start:auto;}

/* Specimen-label table */
.lot-table{border:1px solid var(--line); border-radius:10px; overflow:hidden;}
.lot-row{display:grid; grid-template-columns:1fr 1fr; border-bottom:1px solid var(--line);}
.lot-row:last-child{border-bottom:none;}
.lot-cell{padding:0;}
.lot-cell + .lot-cell{border-inline-start:1px solid var(--line);}
.field{padding:11px 14px;}
.field label{display:block; font-size:11px; color:var(--ink-soft); margin-bottom:5px; letter-spacing:.02em;}
.field label .req{color:var(--danger); margin-inline-start:3px;}
.field input, .field select{
  width:100%; border:none; outline:none; background:transparent;
  font-family:var(--font-body); font-size:14.5px; color:var(--ink); padding:2px 0;
}
.field.mono input{font-family:var(--font-mono); letter-spacing:.02em;}
.field:focus-within{background:var(--teal-soft);}

/* Repeatable item cards (multi-item handover) */
.item-card{border:1px solid var(--line); border-radius:10px; margin-bottom:14px; overflow:hidden;}
.item-card-head{
  display:flex; align-items:center; justify-content:space-between;
  padding:9px 14px; background:var(--paper); border-bottom:1px solid var(--line);
}
.item-card-head .label{font-family:var(--font-display); font-weight:700; font-size:12.5px; color:var(--navy);}
.item-card .lot-table{border:none; border-radius:0;}
.btn-dashed{
  width:100%; background:transparent; color:var(--teal);
  border:1.5px dashed var(--line); text-align:center;
}
.btn-dashed:hover{background:var(--teal-soft); border-color:var(--teal);}

/* Signature blocks */
.parties{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
@media (max-width:640px){ .parties{grid-template-columns:1fr;} .lot-row{grid-template-columns:1fr;} .lot-cell + .lot-cell{border-inline-start:none; border-top:1px solid var(--line);} }
.party{border:1px solid var(--line); border-radius:12px; overflow:hidden; display:flex; flex-direction:column;}
.party-head{background:var(--navy); color:#fff; padding:10px 14px; display:flex; align-items:center; justify-content:space-between;}
.party-head .role{font-family:var(--font-display); font-weight:700; font-size:14px;}
.party-head .tag{font-size:10.5px; background:rgba(255,255,255,.14); padding:3px 9px; border-radius:100px; font-family:var(--font-mono); letter-spacing:.03em;}
.party-fields{padding:12px 14px 4px; display:grid; gap:0;}
.party-fields .field{padding:8px 0; border-bottom:1px solid var(--line);}
.party-fields .field:last-child{border-bottom:none;}
.party-fields .row2{display:grid; grid-template-columns:1fr 1fr; gap:14px;}
.sig-wrap{padding:12px 14px 14px;}
.sig-label{display:flex; align-items:center; justify-content:space-between; margin-bottom:7px;}
.sig-label span{font-size:11.5px; color:var(--ink-soft);}
.clear-btn{border:none; background:none; color:var(--teal); font-size:11.5px; font-family:var(--font-body); font-weight:600; cursor:pointer; padding:2px 4px;}
.clear-btn:hover{text-decoration:underline;}
.sig-pad-box{
  position:relative; border:1.5px dashed var(--line); border-radius:8px;
  background:linear-gradient(var(--paper) 1px, transparent 1px) 0 100%/100% 26px, #fff;
  height:118px; touch-action:none;
}
.sig-pad-box canvas{width:100%; height:100%; display:block; border-radius:8px; cursor:crosshair;}
.sig-placeholder{position:absolute; inset:0; display:flex; align-items:center; justify-content:center; color:#B9C1C8; font-size:12.5px; pointer-events:none;}
.sig-meta{display:flex; justify-content:space-between; margin-top:8px; font-size:11px; color:var(--ink-soft);}
.sig-meta .stamp{font-family:var(--font-mono);}

/* Page credit footer */
.credit-footer{
  max-width:920px; margin:22px auto 10px; padding:14px 18px;
  display:flex; align-items:center; justify-content:center; gap:12px;
  color:var(--ink-soft); font-size:11.5px;
  border-top:1px solid var(--line-soft);
}
.credit-logo{display:block; width:105px; height:auto;}
.credit-divider{width:1px; height:24px; background:var(--line);}
.credit-footer strong{color:var(--navy); font-weight:600;}
@media (max-width:480px){
  .credit-footer{flex-direction:column; gap:7px;}
  .credit-divider{width:42px; height:1px;}
}

/* Footer / actions */
.foot{display:flex; align-items:center; justify-content:space-between; gap:14px; flex-wrap:wrap; margin-top:8px; padding-top:18px; border-top:1px solid var(--line);}
.foot p{font-size:11.5px; color:var(--ink-soft); margin:0; max-width:480px; line-height:1.7;}
.actions{display:flex; gap:10px;}
.btn{font-family:var(--font-body); font-weight:600; font-size:13.5px; padding:11px 20px; border-radius:9px; border:1px solid transparent; cursor:pointer;}
.btn-primary{background:var(--teal); color:#fff;}
.btn-primary:hover{background:var(--teal-600);}
.btn-primary:disabled{opacity:.6; cursor:not-allowed;}
.btn-ghost{background:#fff; color:var(--navy); border-color:var(--line);}
.btn-ghost:hover{background:var(--line-soft);}

.status{display:none; align-items:center; gap:8px; font-size:12.5px; background:#FDF1E7; color:var(--amber); border:1px solid #F1D8B4; padding:9px 13px; border-radius:8px; margin-bottom:18px;}
.status.show{display:flex;}
.status.error{background:#FBEAE7; color:var(--danger); border-color:#EFC3BB;}

@media print{
  body{padding:0; background:#fff;}
  .sheet{box-shadow:none; border:none; max-width:100%;}
  .actions, .status, .log-wrap, .toast, .userbar{display:none !important;}
}

/* ===== Saved records log ===== */
.log-wrap{max-width:920px; margin:22px auto 0;}
.log-card{background:var(--card); border:1px solid var(--line); border-radius:14px; box-shadow:0 1px 2px rgba(11,27,46,.06); overflow:hidden;}
.log-head{display:flex; align-items:center; justify-content:space-between; gap:12px; padding:16px 20px; border-bottom:1px solid var(--line); flex-wrap:wrap;}
.log-head h3{margin:0; font-family:var(--font-display); font-size:14.5px; font-weight:700; color:var(--navy);}
.log-head .count{font-size:11.5px; color:var(--ink-soft); font-family:var(--font-mono);}
.log-body{max-height:340px; overflow:auto;}
table.log-table{width:100%; border-collapse:collapse; font-size:12.5px;}
table.log-table th{
  text-align:left; font-weight:600; color:var(--ink-soft); font-size:10.5px;
  text-transform:uppercase; letter-spacing:.04em;
  padding:9px 14px; border-bottom:1px solid var(--line); background:var(--paper);
  position:sticky; top:0;
}
table.log-table td{padding:9px 14px; border-bottom:1px solid var(--line); color:var(--ink);}
table.log-table tr:last-child td{border-bottom:none;}
table.log-table td.mono{font-family:var(--font-mono); font-size:11.5px;}
.log-empty{padding:26px 20px; text-align:center; color:var(--ink-soft); font-size:13px;}
.log-note{padding:11px 20px; font-size:11px; color:var(--ink-soft); border-top:1px solid var(--line);}
.log-search{padding:12px 20px; border-bottom:1px solid var(--line);}
.log-search input{
  width:100%; border:1px solid var(--line); border-radius:8px; padding:9px 12px;
  font-family:var(--font-body); font-size:13px; color:var(--ink); outline:none; background:var(--paper);
}
.log-search input:focus{border-color:var(--teal); background:#fff;}

.badge{display:inline-block; padding:3px 9px; border-radius:100px; font-size:11px; font-weight:600;}
.badge-good{background:#E4F0EE; color:var(--teal);}
.badge-service{background:#FDF1E7; color:var(--amber);}
.badge-damaged, .badge-missing{background:#FBEAE7; color:var(--danger);}
.badge-ready{background:var(--teal-100); color:var(--navy);}
.badge-completed{background:var(--navy); color:#fff;}
.badge-neutral{background:var(--line-soft); color:var(--ink-soft);}

.toast{
  position:fixed; bottom:22px; left:50%; transform:translateX(-50%) translateY(8px);
  background:var(--navy); color:#fff; padding:11px 18px; border-radius:9px;
  font-size:13px; box-shadow:0 12px 30px -10px rgba(11,27,46,.5);
  display:flex; align-items:center; gap:8px;
  opacity:0; pointer-events:none; transition:opacity .2s ease, transform .2s ease;
  z-index:50;
}
.toast.show{opacity:1; transform:translateX(-50%) translateY(0);}
.toast.error{background:var(--danger);}

/* ===== Login page ===== */
.login-wrap{max-width:420px; margin:10vh auto 0;}
.login-card{background:var(--card); border:1px solid var(--line); border-radius:14px; box-shadow:0 1px 2px rgba(11,27,46,.06), 0 20px 48px -24px rgba(11,27,46,.28); overflow:hidden;}
.login-top{background:linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%); color:#fff; padding:28px 28px 22px; text-align:center;}
.login-brand-logo{width:max-content; margin:0 auto 14px;}
.login-brand-logo .brand-logo{width:180px;}
.login-top h1{margin:0; font-family:var(--font-display); font-weight:800; font-size:18px;}
.login-top p{margin:6px 0 0; font-size:12.5px; color:#B9C6D3;}
.login-body{padding:26px 28px 28px;}
.login-body .field{padding:0 0 16px;}
.login-body label{display:block; font-size:12px; color:var(--ink-soft); margin-bottom:6px; font-weight:600;}
.login-body input{
  width:100%; border:1px solid var(--line); border-radius:9px; padding:12px 13px;
  font-family:var(--font-body); font-size:15px; color:var(--ink); outline:none; background:var(--paper);
}
.login-body input:focus{border-color:var(--teal); background:#fff;}
.login-body input.code-input{font-family:var(--font-mono); letter-spacing:.35em; text-align:center; font-size:20px;}
.login-body .btn-primary{width:100%; padding:13px; font-size:14px;}
.login-hint{font-size:12px; color:var(--ink-soft); margin-top:14px; text-align:center; line-height:1.6;}
.login-hint button{background:none; border:none; color:var(--teal); font-weight:600; cursor:pointer; font-size:12px; padding:0;}
.login-hint button:hover{text-decoration:underline;}

/* ===== Dashboard ===== */
.dash-grid{display:grid; grid-template-columns:1fr 1fr; gap:18px; padding:26px 30px 30px;}
@media (max-width:640px){ .dash-grid{grid-template-columns:1fr;} }
.dash-card{
  border:1px solid var(--line); border-radius:12px; padding:20px; background:#fff;
  text-decoration:none; color:var(--ink); display:block; transition:box-shadow .15s ease, transform .15s ease;
}
.dash-card:hover{box-shadow:0 12px 30px -18px rgba(11,27,46,.35); transform:translateY(-1px);}
.dash-card .icon{
  width:38px; height:38px; border-radius:9px; background:var(--teal-soft); color:var(--teal);
  display:flex; align-items:center; justify-content:center; font-size:18px; margin-bottom:12px;
}
.dash-card h3{margin:0 0 6px; font-family:var(--font-display); font-size:15px; font-weight:700; color:var(--navy);}
.dash-card p{margin:0; font-size:12.5px; color:var(--ink-soft); line-height:1.6;}