:root{
  --orange:#F97316;
  --orange-dark:#DB5D0A;
  --orange-light:#FFF1E6;
  --ink:#1A1D23;
  --ink-soft:#6B7280;
  --border:#E5E7EB;
  --bg:#F7F8FA;
  --paper:#FFFFFF;
  --green:#178A4C;
  --green-light:#E4F6EC;
  --blue:#2563EB;
  --blue-light:#E8F0FE;
  --red:#DC2626;
  --red-light:#FDECEC;
  --radius:10px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}

/* ---------- App shell ---------- */
.app-shell{display:flex;min-height:100vh;}

.sidebar{
  width:230px;
  flex-shrink:0;
  background:var(--paper);
  border-right:1px solid var(--border);
  padding:18px 12px;
}
.sidebar-brand{
  display:flex;align-items:center;gap:10px;
  padding:6px 8px 20px;
  font-weight:800;font-size:16px;
}
.sidebar-brand .logo-box{
  width:30px;height:30px;border-radius:7px;
  background:var(--orange);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:14px;flex-shrink:0;overflow:hidden;
}
.sidebar-brand .logo-box img{width:100%;height:100%;object-fit:cover;}
.nav-item{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:8px;
  font-size:14px;font-weight:600;color:var(--ink-soft);
  margin-bottom:2px;
}
.nav-item:hover{background:#F3F4F6;}
.nav-item.active{background:var(--orange-light);color:var(--orange-dark);}
.nav-item svg{flex-shrink:0;}

.main{flex:1;min-width:0;padding:28px 32px;}

/* ---------- Page header ---------- */
.page-header{
  display:flex;justify-content:space-between;align-items:flex-start;
  gap:16px;margin-bottom:20px;flex-wrap:wrap;
}
.page-header h1{font-size:26px;margin:0 0 4px;font-weight:800;}
.page-header p{margin:0;color:var(--ink-soft);font-size:14px;}
.btn{
  border:1px solid var(--border);background:var(--paper);color:var(--ink);
  padding:9px 16px;border-radius:8px;font-size:13px;font-weight:700;
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
}
.btn:hover{border-color:var(--orange);}
.btn-primary{background:var(--orange);border-color:var(--orange);color:#fff;}
.btn-primary:hover{background:var(--orange-dark);border-color:var(--orange-dark);}
.btn-ghost{background:transparent;border-color:transparent;color:var(--ink-soft);}
.btn-danger{color:var(--red);}
.btn-danger:hover{border-color:var(--red);}
.btn-sm{padding:6px 10px;font-size:12px;}

/* ---------- Cards / list ---------- */
.card{
  background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px;
}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px;
}
@media(max-width:900px){.stat-grid{grid-template-columns:repeat(2,1fr);}}
.stat-card{
  background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px 20px;
}
.stat-card .stat-label{font-size:13px;color:var(--ink-soft);font-weight:600;margin-bottom:10px;display:flex;justify-content:space-between;align-items:center;}
.stat-card .stat-value{font-size:30px;font-weight:800;}

.toolbar{
  display:flex;gap:10px;align-items:center;margin-bottom:16px;flex-wrap:wrap;
}
.search-box{
  flex:1;min-width:200px;position:relative;
}
.search-box input{
  width:100%;padding:9px 12px 9px 34px;border:1px solid var(--border);
  border-radius:8px;font-size:13px;background:var(--paper);
}
.search-box svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--ink-soft);}
.chip-row{display:flex;gap:8px;flex-wrap:wrap;}
.chip{
  padding:7px 14px;border-radius:20px;border:1px solid var(--border);
  font-size:13px;font-weight:600;color:var(--ink-soft);background:var(--paper);
}
.chip.active{background:var(--orange);border-color:var(--orange);color:#fff;}

.list-wrap{background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;}
.list-item{
  padding:16px 20px;border-bottom:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center;gap:12px;
}
.list-item:last-child{border-bottom:none;}
.list-item:hover{background:#FAFAFA;}
.list-item-main{min-width:0;}
.list-item-title{font-weight:700;font-size:15px;margin-bottom:3px;}
.list-item-sub{font-size:13px;color:var(--ink-soft);}
.list-item-actions{display:flex;gap:6px;align-items:center;flex-shrink:0;}

.badge{
  display:inline-block;padding:4px 10px;border-radius:20px;font-size:11px;font-weight:700;
  text-transform:uppercase;letter-spacing:.03em;
}
.badge-Draft{background:#F1F2F4;color:#4B5563;}
.badge-Sent{background:var(--blue-light);color:var(--blue);}
.badge-Approved{background:var(--green-light);color:var(--green);}
.badge-Completed{background:var(--orange-light);color:var(--orange-dark);}
.badge-Cancelled{background:var(--red-light);color:var(--red);}

.empty-state{padding:48px 20px;text-align:center;color:var(--ink-soft);font-size:14px;}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px;}
@media(max-width:700px){.form-grid{grid-template-columns:1fr;}}
.field label{display:block;font-size:13px;font-weight:700;margin-bottom:6px;}
.field .req{color:var(--red);}
.field input,.field select,.field textarea{
  width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;
  font-size:14px;font-family:inherit;background:var(--paper);color:var(--ink);
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--orange);}
.field textarea{min-height:90px;resize:vertical;}
.field-full{grid-column:1/-1;}
.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:6px;}

.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--ink-soft);font-size:14px;margin-bottom:14px;font-weight:600;}
.back-link:hover{color:var(--ink);}

/* ---------- AI Extract ---------- */
.doctype-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px;}
@media(max-width:700px){.doctype-grid{grid-template-columns:repeat(2,1fr);}}
.doctype-card{
  border:1.5px solid var(--border);border-radius:10px;padding:14px;cursor:pointer;
}
.doctype-card.active{border-color:var(--orange);background:var(--orange-light);}
.doctype-card .dt-title{font-weight:700;font-size:14px;margin-bottom:4px;}
.doctype-card .dt-desc{font-size:12px;color:var(--ink-soft);}
.dropzone{
  border:2px dashed var(--border);border-radius:10px;padding:44px 20px;text-align:center;
  color:var(--ink-soft);margin-bottom:16px;cursor:pointer;
}
.dropzone.dragover{border-color:var(--orange);background:var(--orange-light);}
.dropzone strong{color:var(--ink);}
.dropzone input{display:none;}

/* ---------- Branding ---------- */
.logo-upload-row{display:flex;gap:20px;align-items:center;}
.logo-preview{
  width:110px;height:110px;border-radius:10px;border:1px dashed var(--border);
  display:flex;align-items:center;justify-content:center;color:var(--ink-soft);font-size:12px;
  overflow:hidden;flex-shrink:0;background:#FAFAFA;
}
.logo-preview img{width:100%;height:100%;object-fit:contain;}
.section-block{margin-bottom:20px;}
.section-block h3{margin:0 0 4px;font-size:16px;}
.section-block p.hint{margin:0 0 16px;color:var(--ink-soft);font-size:13px;}

/* ---------- Toast ---------- */
.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%);
  background:var(--ink);color:#fff;padding:12px 20px;border-radius:8px;font-size:13px;
  box-shadow:0 8px 24px rgba(0,0,0,.15);z-index:200;opacity:0;pointer-events:none;
  transition:opacity .2s;
}
.toast.show{opacity:1;}

/* ---------- Print document ---------- */
.print-doc{display:none;}
@media print{
  html,body{margin:0;padding:0;height:auto;}
  .app-shell,.toast{display:none !important;}
  .print-doc{display:block;width:100%;padding:16mm;}
  @page{size:A4;margin:0;}
}
.pd-page{max-width:720px;margin:0 auto;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:#1A1D23;}
.pd-topbar{height:6px;background:linear-gradient(90deg,#14213D,#2563EB);margin-bottom:22px;border-radius:2px;}
.pd-header{display:flex;justify-content:space-between;align-items:flex-start;padding-bottom:18px;margin-bottom:22px;border-bottom:1px solid #E5E7EB;}
.pd-header-left{display:flex;gap:12px;align-items:center;}
.pd-header img{height:52px;width:52px;object-fit:contain;border-radius:8px;}
.pd-brandname{font-size:19px;font-weight:800;color:#14213D;}
.pd-brand-tagline{font-size:11px;color:#6B7280;margin-top:2px;}
.pd-title{font-size:26px;font-weight:800;text-align:right;letter-spacing:.04em;color:#14213D;}
.pd-meta{text-align:right;font-size:12px;color:#6B7280;margin-top:4px;}

.pd-info-box{background:#F7F8FA;border:1px solid #E5E7EB;border-radius:8px;padding:16px 18px;margin-bottom:22px;}
.pd-row{display:flex;justify-content:space-between;font-size:14px;padding:5px 0;}
.pd-row:not(:last-child){border-bottom:1px dashed #E5E7EB;}
.pd-label{color:#6B7280;font-weight:600;}
.pd-value{font-weight:700;color:#14213D;text-align:right;}
.pd-amount .pd-value{font-size:17px;color:#DB5D0A;}

.pd-status{display:inline-block;padding:4px 12px;border-radius:20px;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;}

.pd-section{margin-bottom:20px;}
.pd-section-title{font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:#DB5D0A;font-weight:800;margin-bottom:8px;border-left:3px solid #DB5D0A;padding-left:8px;}
.pd-section-body{font-size:14px;line-height:1.6;color:#1A1D23;padding-left:11px;}

.pd-payment-box{border:1.5px solid #14213D;border-radius:8px;padding:16px 18px;margin-bottom:22px;}
.pd-payment-box h4{margin:0 0 10px;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:#14213D;}
.pd-bank{display:flex;justify-content:space-between;font-size:13px;padding:4px 0;flex-wrap:wrap;gap:4px;}
.pd-bank-name{font-weight:700;}

.pd-footer{margin-top:36px;border-top:2px solid #14213D;padding-top:16px;text-align:center;}
.pd-footer .pd-footer-brand{font-weight:800;font-size:13px;color:#14213D;margin-bottom:4px;}
.pd-footer .pd-footer-contact{font-size:12px;color:#6B7280;}
.pd-footer .pd-footer-note{font-size:11px;color:#9CA3AF;margin-top:10px;}

@media(max-width:640px){
  .app-shell{flex-direction:column;}
  .sidebar{width:100%;border-right:none;border-bottom:1px solid var(--border);display:flex;align-items:center;padding:10px 14px;}
  .sidebar-nav{display:flex;overflow-x:auto;gap:4px;}
  .sidebar-brand{padding:0 12px 0 0;}
  .nav-item{white-space:nowrap;}
  .main{padding:18px;}
  .stat-grid{grid-template-columns:1fr 1fr;}
}