:root{
  --sap-blue:#0a6ed1;
  --sap-blue-dark:#0854a0;
  --sap-bg:#f5f6f7;
  --sap-shell:#eff4f9;
  --sap-card:#fff;
  --sap-line:#d9e2ec;
  --sap-text:#1d2d3e;
  --sap-muted:#5b6f82;
  --sap-good:#107e3e;
  --sap-bad:#bb0000;
  --shadow:0 2px 8px rgba(34,54,73,.12);
}
*{box-sizing:border-box}
body{margin:0;background:var(--sap-bg);color:var(--sap-text);font-family:"72","Segoe UI",Arial,sans-serif;font-size:14px}
button,input,select{font:inherit}
button{cursor:pointer}
.app-shell{width:min(100% - 32px,1480px);margin:0 auto;padding:20px 0 34px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;background:var(--sap-card);border:1px solid var(--sap-line);border-radius:10px;padding:18px 20px;box-shadow:var(--shadow)}
.eyebrow{margin:0 0 3px;color:var(--sap-muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;font-weight:700}
h1,h2,h3,p{margin:0}
h1{font-size:1.55rem;letter-spacing:.01em}
h2{font-size:1.15rem}
h3{font-size:.95rem}
.topnav{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.nav-btn,.admin-link,.secondary-btn,.primary-btn,.icon-btn,.line-head button{border:1px solid #b8c7d5;border-radius:6px;background:#fff;color:var(--sap-text);min-height:36px;padding:0 14px;font-weight:700;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
.nav-btn:hover,.admin-link:hover,.secondary-btn:hover{background:#eaf3ff;border-color:var(--sap-blue);color:var(--sap-blue)}
.nav-btn.active,.primary-btn{background:var(--sap-blue);border-color:var(--sap-blue);color:#fff}
.primary-btn:hover{background:var(--sap-blue-dark)}
.month-strip{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}
.month-btn{min-height:34px;padding:0 12px;border:1px solid var(--sap-blue);border-radius:6px;background:#fff;color:var(--sap-blue);font-size:.82rem;font-weight:800}
.month-btn.active,.month-btn:hover{background:var(--sap-blue);color:#fff}
.view{display:none}
.view.active{display:block}
.kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:16px}
.kpi-card,.panel,.movement-card{background:var(--sap-card);border:1px solid var(--sap-line);border-radius:10px;box-shadow:var(--shadow)}
.kpi-card{padding:18px}
.kpi-card span{display:block;color:var(--sap-muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;font-weight:800}
.kpi-card strong{display:block;margin-top:8px;font-size:1.7rem;color:var(--sap-blue)}
.panel{padding:18px}
.section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:16px}
.section-head p{margin-top:4px;color:var(--sap-muted)}
.toolbar{display:flex;gap:10px;margin-bottom:14px}
input,select{width:100%;min-height:38px;border:1px solid #b8c7d5;border-radius:6px;background:#fff;color:var(--sap-text);padding:8px 10px}
input:focus,select:focus{outline:2px solid rgba(10,110,209,.22);border-color:var(--sap-blue)}
.table-wrap{overflow:auto;border:1px solid var(--sap-line);border-radius:8px}
.chart-card{border:1px solid var(--sap-line);border-radius:10px;background:linear-gradient(180deg,#fff,#f8fbff);padding:14px;margin-bottom:16px}
.line-chart{display:block;width:100%;height:auto;min-height:300px}
.chart-grid{stroke:#d9e2ec;stroke-width:1}
.chart-axis,.chart-label{fill:#5b6f82;font-size:13px;font-weight:700}
.chart-line{fill:none;stroke:var(--sap-blue);stroke-width:4;stroke-linecap:round;stroke-linejoin:round}
.chart-area{fill:rgba(10,110,209,.08);stroke:none}
.chart-point{fill:#fff;stroke:var(--sap-blue);stroke-width:4}
table{width:100%;border-collapse:separate;border-spacing:0;background:#fff}
thead{background:#f1f5f9}
th,td{padding:11px 12px;border-bottom:1px solid #e6edf3;text-align:left;vertical-align:top}
th{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:#49647f}
tbody tr:hover{background:#f7fbff}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.text-btn{border:0;background:transparent;color:var(--sap-blue);font-weight:800;padding:0}
.danger{color:var(--sap-bad)}
.good{color:var(--sap-good)}
.amount{text-align:right;white-space:nowrap;font-weight:800}
.empty{padding:22px;text-align:center;color:var(--sap-muted)}
.movement-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.movement-card{padding:14px;min-height:220px}
.movement-card h3{margin-bottom:12px}
.movement-item{border-top:1px solid #edf2f7;padding:9px 0}
.movement-item strong{display:block}
.movement-item span{display:block;color:var(--sap-muted);font-size:.82rem;margin-top:2px}
.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(23,33,43,.45);padding:18px;z-index:50;backdrop-filter:blur(2px)}
.modal.open{display:flex}
.modal-card{background:#fff;border:1px solid var(--sap-line);border-radius:10px;box-shadow:0 16px 44px rgba(34,54,73,.22);max-height:92vh;overflow:auto}
.modal-card.compact{width:min(100%,540px);padding:20px}
.modal-card.wide{width:min(100%,1120px);padding:20px}
.modal-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}
.icon-btn{width:36px;padding:0;font-size:1.2rem}
label{display:grid;gap:6px;color:var(--sap-muted);font-weight:700;font-size:.82rem}
.form-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:14px}
.payroll-layout{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.line-panel{border:1px solid var(--sap-line);border-radius:8px;background:#fbfcfd;padding:12px}
.line-panel.span-2{grid-column:1/-1}
.line-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.line-head button{min-height:30px;padding:0 10px;background:#eef6ff;color:var(--sap-blue);border-color:#c7ddf4}
.line-row{display:grid;grid-template-columns:140px minmax(0,1fr) 150px 36px;gap:8px;margin-top:8px}
.line-row.simple{grid-template-columns:140px 150px 36px}
.remove-line{border:0;border-radius:6px;background:#ffeaf0;color:var(--sap-bad);font-weight:900}
.totals-bar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:14px}
.totals-bar div{border:1px solid var(--sap-line);border-radius:8px;background:#fff;padding:12px}
.totals-bar span{display:block;color:var(--sap-muted);font-size:.78rem;text-transform:uppercase;font-weight:800}
.totals-bar strong{display:block;margin-top:5px;font-size:1.2rem}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}
.sticky-actions{position:sticky;bottom:-20px;background:#fff;padding-top:14px;padding-bottom:2px}
@media(max-width:1050px){
  .topbar,.section-head{flex-direction:column}
  .kpi-grid,.movement-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-grid,.payroll-layout{grid-template-columns:1fr}
  .line-panel.span-2{grid-column:auto}
}
@media(max-width:640px){
  .app-shell{width:min(100% - 20px,1480px);padding-top:10px}
  .kpi-grid,.movement-grid,.totals-bar{grid-template-columns:1fr}
  .line-row,.line-row.simple{grid-template-columns:1fr}
  .topnav{width:100%}
  .nav-btn,.admin-link{flex:1}
}