:root{
  --bg:#f6f8fb;
  --card:#fff;
  --text:#0f172a;
  --muted:#64748b;
  --border:#e5e7eb;
  --primary:#1d4ed8;
  --primary2:#2563eb;
  --warn:#f59e0b;
  --danger:#dc2626;
  --ok:#16a34a;
  --shadow: 0 10px 25px rgba(2,6,23,.08);
  --shadow2: 0 14px 35px rgba(2,6,23,.14);
  --radius:18px;
  --radius2:14px;
  --pad:16px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font)}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}

.container{max-width:1200px;margin:0 auto;padding:18px}

/* Appbar (Topnav Shell) */
.appbar{
  position:sticky;top:0;z-index:50;
  background:rgba(246,248,251,.92);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border);
}
.appbar-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:14px;padding:12px 18px}
.appbar-left{display:flex;align-items:center;gap:12px;min-width:240px}
.appbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}

.brand{display:flex;align-items:center;gap:10px;font-weight:900;color:var(--text)}
.brand:hover{text-decoration:none}
.brand-badge{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--primary),#60a5fa);box-shadow:var(--shadow)}
.brand-name{font-size:15px;letter-spacing:.2px}

.badge{display:inline-flex;align-items:center;padding:4px 8px;border-radius:999px;font-size:12px;border:1px solid var(--border);color:var(--muted);background:#fff}
.badge-tenant{border-color:#dbeafe;background:#eff6ff;color:#1d4ed8}

.pill{display:inline-flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--border);border-radius:999px;background:var(--card);color:var(--muted);font-size:13px}
.pill.warn{border-color:#fde68a;background:#fffbeb;color:#92400e}

.topnav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.navlink{padding:9px 12px;border-radius:999px;color:var(--text);font-weight:650}
.navlink:hover{background:rgba(15,23,42,.04);text-decoration:none}
.navlink.active{background:rgba(29,78,216,.10);color:var(--primary);font-weight:800}

.iconbtn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;
  border-radius:12px;border:1px solid var(--border);
  background:var(--card);
  cursor:pointer;
}
.iconbtn:hover{filter:brightness(.98)}
.hamburger{display:inline-flex;flex-direction:column;gap:4px}
.hamburger span{display:block;width:16px;height:2px;background:var(--text);border-radius:2px;opacity:.85}
.x{font-size:22px;line-height:1}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 14px;border-radius:12px;border:1px solid var(--border);
  background:var(--card);cursor:pointer;font-weight:700;
}
.btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary2));border-color:transparent;color:#fff}
.btn.danger{background:#fee2e2;border-color:#fecaca;color:#991b1b}
.btn:hover{filter:brightness(.98)}
.btn:disabled{opacity:.6;cursor:not-allowed}

/* Dropdown */
.dropdown{position:relative}
.userbtn{
  display:inline-flex;align-items:center;gap:10px;
  border:1px solid var(--border);
  background:var(--card);
  padding:6px 10px;
  border-radius:14px;
  cursor:pointer;
}
.userbtn:hover{filter:brightness(.98)}
.avatar{
  width:32px;height:32px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:900;font-size:13px;
  color:#fff;background:linear-gradient(135deg,var(--primary),#60a5fa);
}
.userlabel{display:flex;flex-direction:column;line-height:1.1}
.uname{font-size:13px;font-weight:850;color:var(--text)}
.urole{font-size:12px;color:var(--muted);font-weight:700}
.chev{color:var(--muted);font-size:12px}

.menu{
  position:absolute;right:0;top:calc(100% + 10px);
  min-width:220px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:16px;
  box-shadow:var(--shadow2);
  padding:8px;
  display:none;
}
.menu.open{display:block}
.menu-hd{padding:10px 10px 6px}
.menu-title{font-weight:900}
.menu-sub{color:var(--muted);font-size:12px;margin-top:2px}
.menu-sep{height:1px;background:var(--border);margin:8px}
.menu-item{
  display:flex;align-items:center;gap:10px;
  padding:10px;border-radius:12px;
  color:var(--text);font-weight:750;
}
.menu-item:hover{text-decoration:none;background:rgba(15,23,42,.04)}
.menu-item.danger{color:#991b1b;background:transparent}
.menu-item.danger:hover{background:#fee2e2}

/* Navsheet (mobile) */
.navsheet-backdrop{position:fixed;inset:0;z-index:60;background:rgba(2,6,23,.35);display:none}
.navsheet{
  position:fixed;top:0;left:0;bottom:0;z-index:61;
  width:min(360px, 92vw);
  background:var(--card);
  border-right:1px solid var(--border);
  box-shadow:var(--shadow2);
  transform:translateX(-102%);
  transition:transform .18s ease;
  display:flex;flex-direction:column;
}
.navsheet[aria-hidden="true"]{pointer-events:none}
html.nav-open .navsheet-backdrop{display:block}
html.nav-open .navsheet{transform:translateX(0)}
html.nav-open{overflow:hidden}

.navsheet-hd{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px;border-bottom:1px solid var(--border)}
.navsheet-brand{display:flex;align-items:center;gap:10px;font-weight:900}
.navsheet-tenant{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--border)}
.navsheet-nav{padding:10px;display:flex;flex-direction:column;gap:6px}
.navsheet-link{padding:12px;border-radius:14px;color:var(--text);font-weight:800}
.navsheet-link:hover{text-decoration:none;background:rgba(15,23,42,.04)}
.navsheet-link.active{background:rgba(29,78,216,.10);color:var(--primary)}
.navsheet-ft{margin-top:auto;padding:14px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:12px}
.navsheet-user{display:flex;align-items:center;gap:10px}
.navsheet-actions{display:flex;flex-direction:column;gap:8px}

/* Cards / layout */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-hd{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:10px}
.card-bd{padding:16px}
.grid{display:grid;gap:14px}
.grid.cols-2{grid-template-columns:repeat(2, minmax(0,1fr))}
.grid.cols-3{grid-template-columns:repeat(3, minmax(0,1fr))}
.grid.cols-4{grid-template-columns:repeat(4, minmax(0,1fr))}

.h1{font-size:22px;margin:0}
.muted{color:var(--muted)}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.field{display:flex;flex-direction:column;gap:6px;min-width:220px}
label{font-size:13px;color:var(--muted);font-weight:700}
input,select,textarea{padding:11px 12px;border:1px solid var(--border);border-radius:12px;background:#fff;font-size:14px;outline:none}
input:focus,select:focus,textarea:focus{border-color:#93c5fd;box-shadow:0 0 0 4px rgba(59,130,246,.12)}

.table{width:100%;border-collapse:separate;border-spacing:0}
.table th,.table td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;font-size:14px}
.table th{font-size:13px;color:var(--muted);font-weight:800}

.badge.ok{border-color:#bbf7d0;background:#dcfce7;color:#166534}
.badge.warn{border-color:#fde68a;background:#fffbeb;color:#92400e}

.banner{border:1px solid #fde68a;background:#fffbeb;border-radius:16px;padding:10px 12px;color:#92400e;display:flex;align-items:center;justify-content:space-between;gap:10px}

/* Toast */
.toast-stack{position:fixed;right:16px;bottom:16px;z-index:80;display:flex;flex-direction:column;gap:10px}
.toast{min-width:260px;max-width:min(420px, 92vw);background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow2);padding:12px;display:flex;align-items:flex-start;gap:10px}
.toast .dot{width:10px;height:10px;border-radius:999px;margin-top:4px;background:var(--primary)}
.toast.warn .dot{background:var(--warn)}
.toast.ok .dot{background:var(--ok)}
.toast.danger .dot{background:var(--danger)}
.toast .t-title{font-weight:900}
.toast .t-msg{color:var(--muted);font-size:13px;margin-top:2px}
.toast .t-close{margin-left:auto}
.toast .t-close .iconbtn{width:34px;height:34px;border-radius:12px}

/* Modal (foundation) */
.modal-root{position:fixed;inset:0;z-index:90;display:none}
.modal-root.open{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(2,6,23,.40)}
.modal{position:relative;width:min(680px, 92vw);margin:8vh auto;background:var(--card);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow2)}
.modal-hd{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:10px}
.modal-bd{padding:16px}

/* Footer */
.footer{padding:18px;color:var(--muted);font-size:13px;text-align:center}

/* Responsive */
.mobile-only{display:none}
.desktop-only{display:flex}
@media (max-width: 900px){
  .desktop-only{display:none !important}
  .mobile-only{display:inline-flex}
  .appbar-left{min-width:auto}
  .container{padding:14px}
  .grid.cols-4{grid-template-columns:repeat(2, minmax(0,1fr))}
  .grid.cols-3{grid-template-columns:repeat(1, minmax(0,1fr))}
  .grid.cols-2{grid-template-columns:repeat(1, minmax(0,1fr))}
  .field{min-width:100%}
  .toast-stack{left:12px;right:12px;bottom:12px}
}