:root{
  --primary:#6366f1;--primary-dark:#a5b4fc;--primary-light:#818cf8;--accent:#10b981;--accent-dark:#059669;
  --success:#10b981;--error:#fb5470;--warning:#fbbf24;
  --bg:#0b0b12;--surface:rgba(255,255,255,.04);--text:#f4f4f5;--muted:rgba(255,255,255,.6);
  --border:rgba(255,255,255,.08);--card-shadow:rgba(0,0,0,.5);
}
*{box-sizing:border-box;}
@keyframes sonarPing{0%{transform:scale(.8);opacity:.8}100%{transform:scale(2.4);opacity:0}}
body{
  margin:0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  background:var(--bg);color:var(--text);min-height:100vh;
}
input,select,button,textarea{font-family:inherit;}
input,select{
  background:rgba(255,255,255,.06);border:1.5px solid var(--border);border-radius:10px;
  color:var(--text);padding:10px 12px;font-size:14px;outline:none;
}
input:focus,select:focus{border-color:var(--primary);}
/* The open dropdown list is rendered natively by the browser/OS on its own
   light background, ignoring the dark theme above — without this, option
   text inherits the near-white --text color and becomes invisible. */
select option{color:#111;background:#fff;}
button{cursor:pointer;border:none;border-radius:10px;font-weight:600;font-size:14px;}
.btn{padding:10px 18px;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-light);}
.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text);}
.btn-outline:hover{border-color:var(--primary);}

/* ── Login ── */
#login-screen{
  display:flex;align-items:center;justify-content:center;min-height:100vh;
}
.login-card{
  background:var(--surface);border:1px solid var(--border);border-radius:20px;
  padding:36px;width:100%;max-width:360px;box-shadow:0 20px 60px var(--card-shadow);
}
.login-card h1{font-size:20px;margin:0 0 4px;}
.login-card p{color:var(--muted);font-size:13px;margin:0 0 24px;}
.login-card label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:.4px;}
.login-card .field{margin-bottom:16px;}
.login-card input{width:100%;}
.login-card button{width:100%;padding:12px;margin-top:8px;}
#login-error{color:var(--error);font-size:13px;margin-top:12px;display:none;}

/* ── App shell ── */
#app-shell{display:none;min-height:100vh;}
header{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;border-bottom:1px solid var(--border);background:rgba(255,255,255,.02);
}
header .brand{font-weight:800;font-size:15px;letter-spacing:.5px;}
header .brand span{color:var(--accent);}
header .who{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:14px;}
nav{display:flex;gap:4px;padding:10px 24px;border-bottom:1px solid var(--border);flex-wrap:wrap;}
nav button{
  background:transparent;color:var(--muted);padding:9px 16px;border-radius:9px;font-size:13px;
}
nav button.active{background:var(--primary);color:#fff;}
nav button:not(.active):hover{background:rgba(255,255,255,.06);color:var(--text);}
main{padding:24px;max-width:1200px;margin:0 auto;}
.page{display:none;}
.page.active{display:block;}

.subnav{display:flex;gap:4px;margin-bottom:18px;border-bottom:1px solid var(--border);}
.subnav-btn{
  background:transparent;color:var(--muted);padding:8px 14px;border-radius:9px 9px 0 0;font-size:13px;
  border-bottom:2px solid transparent;
}
.subnav-btn.active{color:var(--text);border-bottom-color:var(--primary);}
.subnav-btn:not(.active):hover{color:var(--text);}
.subpage{display:none;}
.subpage.active{display:block;}

.card{
  background:var(--surface);border:1px solid var(--border);border-radius:16px;
  padding:20px;box-shadow:0 4px 20px var(--card-shadow);
}
.section-header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:16px;flex-wrap:wrap;gap:8px;}
.section-header h2{margin:0;font-size:18px;}
.muted{color:var(--muted);}

table{width:100%;border-collapse:collapse;font-size:13px;}
th{text-align:left;color:var(--muted);font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:.4px;padding:8px 10px;border-bottom:1px solid var(--border);}
td{padding:10px;border-bottom:1px solid var(--border);}
tr:last-child td{border-bottom:none;}
.num{font-variant-numeric:tabular-nums;}
.pos{color:var(--success);}
.neg{color:var(--error);}

.placeholder{
  text-align:center;padding:60px 20px;color:var(--muted);
}
.placeholder svg{opacity:.35;margin-bottom:14px;}
.placeholder h3{color:var(--text);margin:0 0 6px;}

.field-row{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap;margin-bottom:16px;}
.field-row .field{flex:1;min-width:160px;}
.field-row label{display:block;font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.4px;margin-bottom:6px;}
.field-row input,.field-row select{width:100%;}

.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700;border:1px solid;}

.grid-2col{display:grid;grid-template-columns:1fr 1fr;gap:16px;}

/* ── Mobile ── */
@media (max-width:640px){
  #login-screen{padding:16px;}
  .login-card{padding:24px;}
  header{padding:12px 14px;flex-wrap:wrap;gap:8px;}
  header .who{gap:8px;font-size:12px;}
  nav{padding:8px 14px;gap:2px;}
  nav button{padding:8px 12px;font-size:12px;}
  main{padding:14px;}
  .card{padding:14px;border-radius:12px;}
  table{font-size:12px;}
  th,td{padding:7px 8px;}
  .grid-2col{grid-template-columns:1fr;}
  .field-row{gap:8px;}
  .field-row .field{min-width:0;flex:1 1 100%;}
}

/* ── Print (whole-page, e.g. Ctrl+P on a table view — distinct from the
   thermal-receipt popups in print.js, which carry their own stylesheet) ── */
@media print{
  header,nav,.subnav,.no-print,button{display:none!important;}
  body,html{background:#fff!important;color:#000!important;}
  main{padding:0!important;max-width:none!important;}
  .card{background:#fff!important;border:1px solid #000!important;box-shadow:none!important;}
  * {box-shadow:none!important;}
  table{width:100%!important;}
  th,td{border:1px solid #000!important;color:#000!important;}
  .badge{border:1px solid #000!important;background:#fff!important;color:#000!important;}
}