:root{
  --bg:#eef2f7;
  --surface:#ffffff;
  --surface-soft:#f8fafc;
  --text:#111827;
  --muted:#64748b;
  --border:#e2e8f0;
  --primary:#0f766e;
  --primary-dark:#115e59;
  --primary-soft:#ccfbf1;
  --gold:#f59e0b;
  --danger:#dc2626;
  --success:#16a34a;
  --shadow:0 16px 40px rgba(15,23,42,.08);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Tahoma","Arial",sans-serif;
  background:radial-gradient(circle at top right,#dbeafe 0,#eef2f7 35%,#f8fafc 100%);
  color:var(--text);
  line-height:1.65;
  font-size:14px;
}
a{color:inherit}
.app-shell{min-height:100vh;display:flex;align-items:stretch}
.sidebar{
  width:286px;
  flex:0 0 286px;
  min-height:100vh;
  position:sticky;
  top:0;
  padding:18px 14px;
  background:linear-gradient(180deg,#0f172a,#111827 55%,#0b1120);
  color:#fff;
  box-shadow:18px 0 45px rgba(15,23,42,.18);
  overflow:auto;
}
.brand-box{
  display:flex;align-items:center;gap:12px;
  padding:12px 10px 18px;
  margin-bottom:12px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.brand-logo{
  width:48px;height:48px;border-radius:16px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#f59e0b,#facc15);
  color:#111827;font-weight:900;font-size:22px;
  box-shadow:0 12px 28px rgba(245,158,11,.25);
}
.brand-title{font-size:18px;font-weight:900;letter-spacing:.2px}
.brand-subtitle{font-size:12px;color:#cbd5e1;margin-top:2px}
.nav{display:flex;flex-direction:column;gap:5px;padding:4px 0}
.nav-item{
  display:flex;align-items:center;gap:10px;
  min-height:42px;
  padding:10px 12px;
  color:#dbe4ef;
  text-decoration:none;
  border-radius:14px;
  font-weight:700;
  transition:.16s ease;
}
.nav-ico{
  width:26px;height:26px;border-radius:9px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.08);
  color:#f8fafc;
  font-weight:900;
  font-size:13px;
}
.nav-item:hover{background:rgba(255,255,255,.09);color:#fff;transform:translateX(-3px)}
.nav-item.active{
  color:#0f172a;
  background:#ffffff;
  box-shadow:0 12px 26px rgba(0,0,0,.20);
}
.nav-item.active .nav-ico{background:var(--primary-soft);color:var(--primary-dark)}
.sidebar-footer{padding:16px 2px 4px}
.logout-btn{
  display:block;text-align:center;text-decoration:none;
  padding:12px;border-radius:14px;
  color:#fecaca;background:rgba(220,38,38,.14);
  border:1px solid rgba(248,113,113,.18);
  font-weight:800;
}
.content{flex:1;min-width:0;padding:24px;max-width:calc(100vw - 286px)}
.topbar{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  background:rgba(255,255,255,.82);
  border:1px solid rgba(226,232,240,.9);
  border-radius:24px;
  padding:17px 20px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(12px);
  margin-bottom:18px;
}
.top-title{font-size:19px;font-weight:900;color:#0f172a}
.top-subtitle{font-size:12px;color:var(--muted);margin-top:2px}
.profile-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 13px;border-radius:999px;
  background:#f8fafc;border:1px solid var(--border);
  color:#334155;font-weight:800;white-space:nowrap;
}
.profile-dot{width:10px;height:10px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(22,163,74,.12)}
.page-wrap{max-width:1280px;margin:0 auto}
h1{font-size:26px;margin:0 0 14px;font-weight:900;color:#0f172a}
h2{font-size:18px;margin:0 0 12px;font-weight:900;color:#111827}
h3{margin:0 0 8px;font-size:14px;color:#475569}
p{margin:8px 0;color:#334155}.muted,small{color:var(--muted)}
.card,.stat,.page-note{
  background:rgba(255,255,255,.96);
  border:1px solid rgba(226,232,240,.95);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.card{padding:18px;margin:14px 0}.form-card{padding:18px 18px 20px}
.page-note{padding:13px 16px;margin:12px 0 16px;color:#334155;background:#ecfeff;border-color:#bae6fd;box-shadow:none}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:14px;align-items:start}
.col-2{grid-column:span 2}.col-3{grid-column:span 3}.col-4{grid-column:span 4}.col-5{grid-column:span 5}.col-6{grid-column:span 6}.col-7{grid-column:span 7}.col-8{grid-column:span 8}.col-9{grid-column:span 9}.col-10{grid-column:span 10}.col-12{grid-column:span 12}
label{display:block;margin:0 0 6px;font-weight:900;color:#334155}
input,select,textarea{
  width:100%;min-height:42px;
  padding:10px 12px;
  border:1px solid #cbd5e1;
  border-radius:13px;
  background:#fff;
  color:#111827;
  outline:none;
  font-family:inherit;font-size:14px;
  transition:.14s ease;
}
textarea{min-height:86px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(15,118,110,.12)}
button,.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:42px;
  padding:10px 16px;
  border:0;border-radius:13px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;text-decoration:none;font-weight:900;font-family:inherit;cursor:pointer;
  box-shadow:0 12px 24px rgba(15,118,110,.18);
}
button:hover,.btn:hover{filter:brightness(1.04);transform:translateY(-1px)}
.btn.secondary{background:#0f172a;box-shadow:none}.btn.danger{background:var(--danger)}
table{width:100%;border-collapse:separate;border-spacing:0;margin-top:8px;overflow:hidden;border-radius:15px;border:1px solid var(--border)}
th,td{padding:12px;border-bottom:1px solid var(--border);text-align:right;vertical-align:middle;background:#fff}
th{background:#f1f5f9;color:#334155;font-weight:900;white-space:nowrap}
tr:last-child td{border-bottom:0}tr:hover td{background:#fbfdff}
.table-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}
.badge{display:inline-flex;align-items:center;justify-content:center;padding:5px 10px;border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);font-weight:900;font-size:12px}
.account-code{font-family:Consolas,monospace;font-weight:900;color:#0f766e;background:#f0fdfa;border-radius:8px;padding:4px 8px;display:inline-block}
.stat{padding:18px;background:linear-gradient(180deg,#fff,#f8fafc)}
.stat b{display:block;font-size:28px;color:#0f172a;line-height:1.2}.stat h3{font-size:13px;color:var(--muted);margin-bottom:8px}
.alert{padding:12px 14px;border-radius:14px;margin:12px 0;font-weight:800;border:1px solid transparent;background:#dcfce7;color:#166534;border-color:#bbf7d0}
.alert.error{background:#fef2f2;color:#991b1b;border-color:#fecaca}.alert.warning{background:#fffbeb;color:#92400e;border-color:#fde68a}
.login-page{min-height:100vh;display:grid;place-items:center;padding:22px;background:radial-gradient(circle at top,#ccfbf1,#eef2f7 48%,#f8fafc)}
.login-card{width:min(430px,100%);padding:26px;border-radius:24px;background:#fff;box-shadow:0 24px 70px rgba(15,23,42,.14);border:1px solid var(--border)}
.login-card h2{font-size:24px}.login-logo{width:58px;height:58px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,#0f766e,#115e59);color:#fff;font-weight:900;font-size:24px;margin-bottom:12px}
@media(max-width:920px){.app-shell{display:block}.sidebar{position:relative;width:auto;min-height:0;height:auto;display:block}.nav{display:grid;grid-template-columns:repeat(2,1fr)}.content{max-width:none;padding:14px}.topbar{align-items:flex-start;flex-direction:column}.col-2,.col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-9,.col-10{grid-column:span 12}table{font-size:12px}.card{padding:14px}}
@media(max-width:560px){.nav{grid-template-columns:1fr}.sidebar{padding:12px}.brand-box{padding-bottom:12px}.top-title{font-size:16px}h1{font-size:22px}th,td{padding:9px}.table-head{align-items:flex-start;flex-direction:column}}

/* Transaction controls v4 */
.badge.status-posted{background:#dcfce7;color:#166534}
.badge.status-reversed,.badge.status-reversal{background:#e0e7ff;color:#3730a3}
.badge.status-voided{background:#fee2e2;color:#991b1b}
.badge.status-replaced{background:#fef3c7;color:#92400e}
.danger{background:#dc2626!important;color:#fff!important;border:0;border-radius:10px;padding:10px 14px;cursor:pointer;text-decoration:none;display:inline-block}
.small{padding:6px 9px;font-size:12px}
.active-row{background:#f1f5f9}
.actions-row form{margin:0}

/* Patch v5: reports, print, audit */
.report-toolbar{display:flex;gap:10px;align-items:end;flex-wrap:wrap;margin-bottom:14px}
.print-only{display:none}
@media print{
  body{background:#fff;color:#000;font-size:12px}
  .sidebar,.topbar,.no-print,.actions-row,.page-note,.report-toolbar{display:none!important}
  .app-shell,.content,.page-wrap{display:block;margin:0;padding:0;min-height:auto}
  .card{box-shadow:none;border:1px solid #ddd;border-radius:0;break-inside:avoid}
  .print-only{display:block}
  table{font-size:11px}
  a{text-decoration:none;color:#000}
}
.audit-badge{font-size:12px;padding:4px 8px;border-radius:999px;background:#e0f2fe;color:#075985;display:inline-block}
.sum-positive{color:var(--success);font-weight:bold}.sum-negative{color:var(--danger);font-weight:bold}