:root{
  --bg:#f2f4f7;
  --panel:#ffffff;
  --panel-soft:#f8fafc;
  --text:#172033;
  --muted:#667085;
  --muted-2:#98a2b3;
  --border:#e4e7ec;
  --sidebar:#17212b;
  --sidebar-2:#202c38;
  --sidebar-text:#d9e1e8;
  --brand:#b8955b;
  --brand-soft:#f5efe5;
  --success:#16794f;
  --success-soft:#e8f5ee;
  --danger:#b42318;
  --danger-soft:#fff0ee;
  --warning:#b87503;
  --warning-soft:#fff7e8;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 8px 24px rgba(16,24,40,.05);
  --radius:12px;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
body{font-size:14px}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
.app-shell{min-height:100vh}
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:260px;
  background:linear-gradient(180deg,var(--sidebar),#111922);
  color:#fff;padding:22px 16px 18px;display:flex;flex-direction:column;
  z-index:40;border-right:1px solid rgba(255,255,255,.04)
}
.brand{display:flex;align-items:center;gap:12px;padding:0 8px 22px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand-mark{
  width:42px;height:42px;border-radius:10px;display:grid;place-items:center;
  background:var(--brand);color:#fff;font-weight:800;letter-spacing:.04em
}
.brand-copy strong,.brand-copy small{display:block}
.brand-copy strong{font-size:14px}
.brand-copy small{margin-top:3px;color:#93a3b2;font-size:12px}
.nav-section-title{font-size:10px;letter-spacing:.14em;color:#718192;font-weight:800;padding:20px 12px 8px}
.nav{display:grid;gap:5px}
.nav-link{
  display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:9px;
  color:var(--sidebar-text);font-weight:600;transition:.15s ease
}
.nav-link:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-link.active{background:var(--sidebar-2);color:#fff;box-shadow:inset 3px 0 0 var(--brand)}
.nav-icon{width:22px;text-align:center;font-size:17px;opacity:.9}
.sidebar-foot{
  margin-top:auto;display:flex;align-items:center;gap:10px;
  padding:14px 12px;border-top:1px solid rgba(255,255,255,.08)
}
.sidebar-foot strong,.sidebar-foot small{display:block}
.sidebar-foot strong{font-size:12px}
.sidebar-foot small{font-size:11px;color:#8190a0;margin-top:2px}
.system-dot{width:9px;height:9px;border-radius:50%;background:#39b980;box-shadow:0 0 0 4px rgba(57,185,128,.1)}
.page-shell{margin-left:260px;min-height:100vh;display:flex;flex-direction:column}
.topbar{
  min-height:88px;background:#fff;border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;padding:18px 30px;
  position:sticky;top:0;z-index:20
}
.topbar-title h1{margin:2px 0 0;font-size:25px;line-height:1.15;letter-spacing:-.02em}
.eyebrow{font-size:10px;letter-spacing:.14em;color:var(--brand);font-weight:800}
.topbar-right{display:flex;align-items:center;gap:10px}
.date-chip{border:1px solid var(--border);background:var(--panel-soft);border-radius:8px;padding:8px 11px;color:var(--muted);font-weight:600}
.mobile-menu{display:none;border:1px solid var(--border);background:#fff;border-radius:8px;width:40px;height:40px;cursor:pointer}
.content{padding:28px 30px;flex:1}
.footer{display:flex;justify-content:space-between;padding:20px 30px;color:var(--muted-2);font-size:12px}
.kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:18px}
.card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:20px
}
.kpi{position:relative;overflow:hidden}
.kpi:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand)}
.kpi span{display:block;color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em}
.kpi strong{display:block;font-size:28px;margin-top:9px;letter-spacing:-.03em}
.grid-2{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:18px;margin-bottom:18px}
.card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}
.card-head h2{margin:0;font-size:16px;letter-spacing:-.01em}
.quick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.quick{
  display:flex;align-items:center;min-height:48px;padding:12px 14px;border:1px solid var(--border);
  border-radius:9px;background:var(--panel-soft);font-weight:700;transition:.15s ease
}
.quick:hover{border-color:#c9b28c;background:var(--brand-soft)}
.formula{background:var(--brand-soft);border:1px solid #eadfcf;border-radius:10px;padding:16px}
.formula strong{font-size:17px}.formula p{color:#6f604b;margin:8px 0 0}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.span-2{grid-column:span 2}
label{display:grid;gap:6px;color:#344054;font-size:12px;font-weight:700}
input,select,textarea{
  width:100%;border:1px solid #d0d5dd;background:#fff;border-radius:8px;padding:10px 11px;
  color:var(--text);outline:none;transition:.15s ease
}
input:focus,select:focus,textarea:focus{border-color:#aa8b59;box-shadow:0 0 0 3px rgba(184,149,91,.12)}
textarea{resize:vertical}
.btn,.mini-btn{
  appearance:none;border:1px solid #d0d5dd;background:#fff;color:#344054;
  border-radius:8px;padding:9px 13px;font-weight:700;cursor:pointer;transition:.15s ease
}
.btn:hover,.mini-btn:hover{background:#f8fafc}
.btn.primary{background:var(--sidebar);border-color:var(--sidebar);color:#fff}
.btn.primary:hover{background:#22303e}
.mini-btn{font-size:11px;padding:6px 8px;margin-top:6px}
.toolbar{display:flex;gap:12px;align-items:end;flex-wrap:wrap;margin-bottom:18px}
.filters label{min-width:110px}
.table-card{padding:0;overflow:hidden}
.table-card>.card-head{padding:18px 20px 0}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse}
thead th{
  background:#f8fafc;color:#667085;font-size:10px;text-transform:uppercase;
  letter-spacing:.08em;font-weight:800;border-bottom:1px solid var(--border)
}
th,td{padding:12px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--border)}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fcfcfd}
td strong{font-weight:700}
td small{display:block;color:var(--muted);margin-top:4px}
.status{display:inline-flex;align-items:center;padding:5px 8px;border-radius:999px;font-size:11px;font-weight:800}
.status.green{background:var(--success-soft);color:var(--success)}
.alert{padding:12px 14px;border-radius:9px;margin-bottom:16px;border:1px solid transparent}
.alert.error{background:var(--danger-soft);color:var(--danger);border-color:#f4c7c3}
.assignment{
  background:#f5f7f9;border:1px solid var(--border);border-left:3px solid var(--brand);
  border-radius:8px;padding:8px 9px;margin-bottom:6px
}
.assignment strong,.assignment span{display:block;font-size:11px}
.assignment span{color:var(--muted);margin-top:2px}
.planning-table th:not(:first-child),.planning-table td:not(:first-child){min-width:150px}
.overbooked{background:var(--danger-soft)!important}
.modal{
  display:none;position:fixed;inset:0;background:rgba(17,24,39,.55);
  z-index:70;align-items:center;justify-content:center;padding:20px
}
.modal.open{display:flex}
.modal-box{
  width:min(520px,100%);background:#fff;border-radius:14px;padding:24px;
  position:relative;box-shadow:0 24px 60px rgba(0,0,0,.2)
}
.modal-close{position:absolute;right:12px;top:8px;border:0;background:transparent;font-size:28px;color:#667085;cursor:pointer}
.sidebar-overlay{display:none}

@media(max-width:1100px){
  .kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-2{grid-template-columns:1fr}
}
@media(max-width:820px){
  .sidebar{transform:translateX(-100%);transition:.2s ease}
  .sidebar.open{transform:translateX(0)}
  .page-shell{margin-left:0}
  .mobile-menu{display:inline-grid;place-items:center}
  .topbar{padding:16px 18px}
  .content{padding:20px 18px}
  .footer{padding:18px}
  .sidebar-overlay{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:30}
  .sidebar-overlay.open{display:block}
}
@media(max-width:620px){
  .kpi-grid{grid-template-columns:1fr}
  .quick-grid,.form-grid{grid-template-columns:1fr}
  .span-2{grid-column:span 1}
  .topbar-right{display:none}
  .topbar-title h1{font-size:21px}
}