.jaf-wrap{
  --jaf-bg:#0d1117;
  --jaf-panel:#12181f;
  --jaf-panel-2:#161e26;
  --jaf-border:#2a343d;
  --jaf-text:#eef2f5;
  --jaf-muted:#8b98a3;
  --jaf-accent:#2f7bff;
  --jaf-accent-2:#1e5fd6;
  --jaf-danger:#ff5d5d;
  --jaf-ok:#3ecf8e;

  max-width:980px;
  margin:0 auto;
  font-family:'Segoe UI', Arial, sans-serif;
  color:var(--jaf-text);
  box-sizing:border-box;
}
.jaf-wrap *, .jaf-wrap *::before, .jaf-wrap *::after{box-sizing:border-box;}

.jaf-header{text-align:center;margin-bottom:22px;}
.jaf-header h1{font-size:22px;letter-spacing:0.5px;margin:0 0 6px;color:var(--jaf-text);}
.jaf-header p{color:var(--jaf-muted);margin:0;font-size:13px;}

.jaf-stepper{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:26px;flex-wrap:wrap;}
.jaf-step-node{display:flex;align-items:center;gap:8px;}
.jaf-step-circle{
  width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:13px;
  border:2px solid var(--jaf-border);
  background:var(--jaf-panel);
  color:var(--jaf-muted);
  transition:all .25s ease;
}
.jaf-step-label{font-size:12px;color:var(--jaf-muted);white-space:nowrap;}
.jaf-step-node.jaf-active .jaf-step-circle{
  border-color:var(--jaf-accent);background:var(--jaf-accent);color:#fff;
  box-shadow:0 0 0 4px rgba(47,123,255,0.18);
}
.jaf-step-node.jaf-active .jaf-step-label{color:var(--jaf-text);font-weight:600;}
.jaf-step-node.jaf-done .jaf-step-circle{border-color:var(--jaf-ok);background:var(--jaf-ok);color:#052b1c;}
.jaf-step-line{width:46px;height:2px;background:var(--jaf-border);margin:0 2px;}
.jaf-step-line.jaf-done{background:var(--jaf-ok);}

.jaf-card{
  background:linear-gradient(180deg, var(--jaf-panel) 0%, var(--jaf-panel-2) 100%);
  border:1px solid var(--jaf-border);
  border-radius:14px;
  padding:26px 26px 30px;
  box-shadow:0 10px 30px rgba(0,0,0,0.35);
}
.jaf-section{display:none;}
.jaf-section.jaf-active{display:block;animation:jafFadeIn .25s ease;}
@keyframes jafFadeIn{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}

.jaf-title{text-align:center;font-size:17px;letter-spacing:1px;margin:0 0 22px;color:var(--jaf-text);text-transform:uppercase;}
.jaf-subtitle{
  font-size:14px;letter-spacing:1px;color:var(--jaf-accent);text-transform:uppercase;
  margin:22px 0 12px;border-bottom:1px dashed var(--jaf-border);padding-bottom:8px;
}
.jaf-subtitle.jaf-first{margin-top:0;}

.jaf-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:16px 18px;}
.jaf-grid.jaf-cols-4{grid-template-columns:repeat(4,1fr);}
.jaf-field{display:flex;flex-direction:column;gap:6px;}
.jaf-field.jaf-full{grid-column:1 / -1;}
.jaf-field label{font-size:13px;color:var(--jaf-text);}
.jaf-field label .jaf-req{color:var(--jaf-danger);margin-left:2px;}

.jaf-wrap input[type=text], .jaf-wrap input[type=number], .jaf-wrap input[type=email],
.jaf-wrap input[type=date], .jaf-wrap select, .jaf-wrap textarea{
  background:#0f151b;border:1px solid var(--jaf-border);color:var(--jaf-text);
  padding:10px 12px;border-radius:8px;font-size:13.5px;outline:none;width:100%;
  transition:border-color .15s ease, box-shadow .15s ease;
  font-family:inherit;
}
.jaf-wrap input::placeholder, .jaf-wrap textarea::placeholder{color:#5b6672;}
.jaf-wrap input:focus, .jaf-wrap select:focus, .jaf-wrap textarea:focus{
  border-color:var(--jaf-accent);box-shadow:0 0 0 3px rgba(47,123,255,0.15);
}
.jaf-wrap input:disabled{opacity:.5;cursor:not-allowed;}
.jaf-wrap select{
  appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238b98a3' stroke-width='2'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat:no-repeat;background-position:right 10px center;padding-right:32px;
}
.jaf-radio-row{display:flex;gap:18px;align-items:center;height:38px;}
.jaf-radio-row label{display:flex;align-items:center;gap:6px;font-size:13.5px;cursor:pointer;color:var(--jaf-text);}
.jaf-radio-row input{width:auto;}
.jaf-check-row{display:flex;align-items:center;gap:8px;height:38px;}
.jaf-check-row input{width:auto;}
.jaf-check-row label{font-size:13.5px;color:var(--jaf-text);}

.jaf-file-field{
  display:flex;align-items:center;gap:10px;
  background:#0f151b;border:1px solid var(--jaf-border);border-radius:8px;padding:8px 10px;
}
.jaf-file-field label.jaf-btn{
  background:#e8eaed;color:#111;padding:7px 12px;border-radius:6px;
  font-size:12.5px;font-weight:600;cursor:pointer;white-space:nowrap;
}
.jaf-file-field .jaf-fname{font-size:12.5px;color:var(--jaf-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.jaf-file-field input[type=file]{display:none;}

.jaf-error-msg{font-size:11.5px;color:var(--jaf-danger);display:none;}
.jaf-field.jaf-invalid input, .jaf-field.jaf-invalid select{
  border-color:var(--jaf-danger);box-shadow:0 0 0 3px rgba(255,93,93,0.15);
}
.jaf-field.jaf-invalid .jaf-error-msg{display:block;}

.jaf-nav-buttons{display:flex;justify-content:space-between;margin-top:28px;align-items:center;}
.jaf-btn-nav{
  padding:11px 22px;border-radius:8px;border:1px solid var(--jaf-border);
  background:#1a222a;color:var(--jaf-text);font-size:13.5px;font-weight:600;
  cursor:pointer;transition:all .15s ease;
}
.jaf-btn-nav:hover{background:#212b34;}
.jaf-btn-primary{background:linear-gradient(180deg, var(--jaf-accent), var(--jaf-accent-2));border:none;color:#fff;}
.jaf-btn-primary:hover{filter:brightness(1.08);}
.jaf-btn-primary:disabled{opacity:.5;cursor:not-allowed;}
.jaf-spacer{flex:1;}
.jaf-submitting-msg{font-size:12.5px;color:var(--jaf-muted);}

.jaf-challan-wrap{display:none;}
.jaf-challan-wrap.jaf-active{display:block;animation:jafFadeIn .3s ease;}
.jaf-challan{background:#fff;color:#111;border-radius:10px;overflow:hidden;font-family:'Segoe UI', Arial, sans-serif;}
.jaf-challan-head{background:#12181f;color:#fff;padding:18px 26px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;}
.jaf-challan-head h2{margin:0;font-size:18px;letter-spacing:.5px;}
.jaf-challan-head .jaf-meta{font-size:11.5px;color:#b7c0c8;text-align:right;}
.jaf-challan-body{padding:22px 26px;}
.jaf-challan-photo-row{display:flex;gap:20px;align-items:flex-start;margin-bottom:14px;}
.jaf-challan-photo{
  width:96px;height:110px;border:1px solid #d5d9dd;border-radius:6px;
  display:flex;align-items:center;justify-content:center;overflow:hidden;
  background:#f3f4f6;color:#98a0a8;font-size:11px;flex-shrink:0;
}
.jaf-challan-photo img{width:100%;height:100%;object-fit:cover;}
.jaf-challan-name-block h3{margin:0 0 4px;font-size:19px;}
.jaf-role-badge{display:inline-block;background:#e7f0ff;color:#1e5fd6;padding:3px 10px;border-radius:20px;font-size:11.5px;font-weight:700;letter-spacing:.4px;}
.jaf-challan-sub{font-size:12.5px;color:#5f6a73;margin-top:6px;}
.jaf-challan-table{width:100%;border-collapse:collapse;margin-top:6px;}
.jaf-challan-table td{padding:6px 4px;font-size:12.8px;vertical-align:top;border-bottom:1px solid #edf0f2;}
.jaf-challan-table td.jaf-k{color:#6b7580;width:38%;}
.jaf-challan-table td.jaf-v{font-weight:600;color:#181c20;}
.jaf-challan-section-title{
  margin:20px 0 6px;font-size:12.5px;letter-spacing:1px;text-transform:uppercase;
  color:#1e5fd6;font-weight:700;border-bottom:2px solid #1e5fd6;display:inline-block;padding-bottom:3px;
}
.jaf-challan-footer{
  display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:14px;
  padding:18px 26px 22px;border-top:1px dashed #d5d9dd;margin-top:10px;
}
.jaf-challan-id{font-size:11px;color:#8a929a;max-width:60%;}
.jaf-sign-box{text-align:center;font-size:11px;color:#5f6a73;}
.jaf-sign-line{width:150px;border-top:1px solid #999;margin-bottom:4px;}
.jaf-challan-actions{display:flex;gap:12px;justify-content:center;margin-top:22px;flex-wrap:wrap;}

.jaf-modal-overlay{
  display:none;position:fixed;inset:0;background:rgba(6,9,13,0.65);
  align-items:center;justify-content:center;z-index:99999;padding:20px;
}
.jaf-modal-overlay.jaf-active{display:flex;}
.jaf-modal-box{
  background:linear-gradient(180deg, var(--jaf-panel) 0%, var(--jaf-panel-2) 100%);
  border:1px solid var(--jaf-border);border-radius:14px;padding:32px 28px 26px;
  max-width:380px;width:100%;text-align:center;box-shadow:0 20px 50px rgba(0,0,0,0.5);
  animation:jafFadeIn .2s ease;
}
.jaf-modal-icon{
  width:52px;height:52px;border-radius:50%;background:rgba(62,207,142,0.15);color:var(--jaf-ok);
  font-size:26px;font-weight:700;display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;border:2px solid var(--jaf-ok);
}
.jaf-modal-icon.jaf-error{background:rgba(255,93,93,0.15);color:var(--jaf-danger);border-color:var(--jaf-danger);}
.jaf-modal-text{font-size:14px;line-height:1.6;color:var(--jaf-text);margin:0 0 22px;}
.jaf-modal-box .jaf-btn-nav{width:100%;}

@media (max-width:760px){
  .jaf-grid, .jaf-grid.jaf-cols-4{grid-template-columns:1fr;}
  .jaf-step-label{display:none;}
  .jaf-card{padding:18px;}
  .jaf-challan-photo-row{flex-direction:column;align-items:center;text-align:center;}
}

@media print{
  body.jaf-printing > *:not(.jaf-print-target){visibility:hidden;}
}