:root{
  --blue:#0060e1;
  --blue-dark:#0050bd;
  --nav:#17324f;
  --bg:#f4f7fb;
  --card:#ffffff;
  --border:#d7e0ea;
  --text:#111827;
  --muted:#64748b;
  --lightblue:#dcebfb;
}
*{box-sizing:border-box}
body{margin:0;font-family:Montserrat,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
.hidden{display:none!important}
.topbar{
  height:70px;background:linear-gradient(90deg,#0060e1,#055aa9);
  color:#fff;display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;box-shadow:0 2px 10px rgba(15,23,42,.16)
}
.brand{display:flex;align-items:center;gap:14px;font-size:22px;font-weight:800}
.brand img{width:48px;height:48px;object-fit:contain;background:#fff;border-radius:50%;padding:2px}
.userbox{display:flex;align-items:center;gap:10px;font-weight:600}
.avatar{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.22);display:grid;place-items:center}
.layout{display:grid;grid-template-columns:240px 1fr;min-height:calc(100vh - 70px)}
.sidebar{background:#17324f;color:#dbe7f3;padding:18px 0}
.navitem{display:flex;align-items:center;gap:13px;padding:15px 24px;font-size:15px;border-left:4px solid transparent}
.navitem:hover{background:#1f4267}
.navitem.active{background:linear-gradient(90deg,#0c6fd8,#1694ef);color:#fff;border-left-color:#fff}
.navicon{width:22px;text-align:center}
.content{padding:18px}
.toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:#fff;border:1px solid var(--border);border-radius:10px;
  padding:15px 18px;margin-bottom:14px;box-shadow:0 4px 14px rgba(15,23,42,.04)
}
.toolbar-title h2{margin:0 0 4px;font-size:23px}
.toolbar-title p{margin:0;color:var(--muted)}
.toolbar-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.toolbar-actions label{font-size:14px}
select,input,textarea{padding:10px 12px;border:1px solid #cbd5e1;border-radius:7px;background:#fff}
.btn{display:inline-block;border:0;border-radius:7px;padding:11px 18px;color:#fff;font-weight:700;cursor:pointer}
.btn.preview{background:#0b6ed4}.btn.print{background:#0f9d58}.btn.pdf{background:#e33434}.btn.primary{background:var(--blue)}
.btn.secondary{background:#eef4ff;color:var(--blue)}
.preview-wrap{background:#fff;border:1px solid var(--border);border-radius:10px;padding:24px;box-shadow:0 4px 16px rgba(15,23,42,.05);overflow:auto}
.payslip-sheet{max-width:1180px;margin:0 auto;background:#fff;border:1px solid #111;padding:16px 16px 20px}
.payslip-head{display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center;min-height:150px}
.logo-box{grid-column:2;display:flex;justify-content:center}
.logo-box img{width:150px;height:150px;object-fit:contain}
.period-box{grid-column:3;text-align:right;padding-right:10px}
.period-box .small{font-size:18px}.period-box .month{font-size:28px;font-weight:800;margin:6px 0}.period-box .date{font-size:16px}
.info-grid{display:grid;grid-template-columns:1.2fr 1.7fr 1.1fr 1.8fr;border:1px solid #526579;border-bottom:0}
.info-grid>div{padding:10px 14px;border-right:1px solid #526579;border-bottom:1px solid #526579;min-height:45px}
.info-grid>div:nth-child(4n){border-right:0}.info-label{background:#dcebfb;font-weight:800}
.tables{display:grid;grid-template-columns:1fr 1fr;margin-top:14px;border:1px solid #526579}
.paycol:first-child{border-right:1px solid #526579}
.section-title{background:linear-gradient(90deg,#0f5fb0,#0668c7);color:#fff;text-align:center;font-weight:800;font-size:22px;padding:10px}
.col-head{display:grid;grid-template-columns:1.45fr .85fr;background:#dcebfb;border-bottom:1px solid #526579;font-weight:800;text-align:center}
.col-head div{padding:10px;border-right:1px solid #526579}.col-head div:last-child{border-right:0}
.lines{min-height:195px;padding:8px 14px}
.line{display:grid;grid-template-columns:1.45fr .85fr;padding:8px 0;font-size:17px}.line span:last-child{text-align:right}
.total-row{display:grid;grid-template-columns:1.45fr .85fr;background:#dcebfb;border-top:1px solid #526579;font-size:19px;font-weight:800}
.total-row div{padding:10px 14px}.total-row div:last-child{text-align:right}
.netbar{margin-top:14px;background:linear-gradient(90deg,#0f5fb0,#0668c7);color:#fff;display:flex;justify-content:space-between;align-items:center;padding:12px 16px;font-size:25px;font-weight:900}
.note{font-style:italic;padding:18px 14px 4px;font-size:16px}
.card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:22px;box-shadow:0 4px 14px rgba(15,23,42,.04)}
table{width:100%;border-collapse:collapse;background:#fff} th,td{padding:10px;border-bottom:1px solid #e5e7eb;text-align:left}
th{background:#eef4ff}
.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#f6f9fd,#eaf2fb)}
.login-card{width:min(430px,92vw);background:#fff;border:1px solid var(--border);border-radius:18px;padding:34px;box-shadow:0 20px 55px rgba(15,23,42,.12)}
.login-brand{display:flex;align-items:center;gap:14px;margin-bottom:26px}
.login-brand img{width:60px;height:60px;object-fit:contain}.login-brand h1{font-size:22px;margin:0}
.field{margin:14px 0}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:7px}.field input{width:100%}
.alert{padding:10px 12px;border-radius:8px;margin:10px 0}.alert.error{background:#fee2e2}.alert.success{background:#dcfce7}
@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{display:none}.toolbar{align-items:flex-start;flex-direction:column}.payslip-sheet{min-width:900px}}
@media print{
  body{background:#fff}.topbar,.sidebar,.toolbar,.no-print{display:none!important}
  .layout{display:block}.content{padding:0}.preview-wrap{border:0;box-shadow:none;padding:0}
  .payslip-sheet{border:1px solid #111;max-width:none;width:100%;margin:0;padding:12px}
  @page{size:A4 landscape;margin:8mm}
}