:root{
  --primary:#2f87b8;
  --primary-dark:#286f96;
  --secondary:#14a44d;
  --danger:#d9534f;
  --warning:#f0ad4e;
  --muted:#64748b;
  --bg:#e7ebef;
  --card:#ffffff;
  --border:#cfd7df;
  --shadow:0 1px 2px rgba(15,23,42,.06);
  --radius-xs:2px;
  --radius-sm:3px;
}
*{box-sizing:border-box}
body{font-family:"Segoe UI",Tahoma,Arial,sans-serif;margin:0;background:var(--bg);color:#1f2937}
.admin-shell{display:flex;min-height:100vh;background:var(--bg)}
.sidebar{width:275px;flex:0 0 275px;color:#cfdae6;background:linear-gradient(180deg,#1f2e3c 0%,#172432 100%);border-right:1px solid #2a3b4b;padding:10px 9px;overflow:auto}
.brand{display:block;padding:8px 8px 12px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:10px}
.brand-wide{display:block;width:100%;height:62px;object-fit:cover;object-position:center;background:transparent}
.brand-square{display:none;width:50px;height:50px;object-fit:cover;object-position:center;background:transparent}
.menu-header{font-size:13px;color:#90a7bb;margin:8px 6px 10px;letter-spacing:.08em}
.menu-group{background:rgba(255,255,255,.02);border:1px solid #304658;border-radius:2px;margin-bottom:9px;padding:8px}
.menu-title{display:flex;align-items:center;gap:8px;font-size:15px;color:#e5f0f8;font-weight:500;margin:0 0 6px;text-transform:none}
.menu-title i{color:#99df65;width:auto;text-align:left}
.menu-link{width:100%;text-decoration:none;border:1px solid #2e4355;background:rgba(255,255,255,.02);color:#dce7f2;padding:10px 10px;border-radius:2px;margin:2px 0;cursor:pointer;display:flex;align-items:center;gap:10px;font-weight:400;transition:background .15s ease,border-color .15s ease;font-size:14px}
.menu-link i{width:16px;text-align:center;color:#9eb8cc}
.menu-link:hover{background:rgba(255,255,255,.06);border-color:#3f586d}
.menu-link.active{background:#2f87b8;border-color:#5ea9d3;color:#fff}
.menu-link.active i{color:#fff}
.main-area{flex:1;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;background:linear-gradient(90deg,var(--primary) 0%,#3992c4 55%,#46a1d2 100%);border-bottom:1px solid var(--primary-dark);padding:9px 14px;position:sticky;top:0;z-index:8;color:#fff}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}
.topbar h1{font-size:20px;margin:0;color:#fff;letter-spacing:.2px;font-weight:600}
.topbar .sub{font-size:13px;color:#d6eaf7;margin-top:1px}
.icon-btn{width:38px;height:38px;border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.14);color:#fff;border-radius:2px;cursor:pointer}
.icon-btn:hover{background:rgba(255,255,255,.24)}
.container{max-width:1450px;margin:0 auto;padding:12px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow)}
.card header{padding:10px 12px;border-bottom:1px solid var(--border);background:#f8fafc}
.card header h2{margin:0;font-size:18px}
.card .content{padding:12px}
label{display:block;font-size:13px;color:#334155;margin:8px 0 6px}
input[type="text"],input[type="number"],input[type="datetime-local"],textarea,select{width:100%;padding:9px 10px;border:1px solid var(--border);border-radius:var(--radius-xs);outline:0;background:#fff;transition:border .15s ease,box-shadow .15s ease}
input:focus,textarea:focus,select:focus{border-color:#94a3b8;box-shadow:0 0 0 2px rgba(148,163,184,.18)}
textarea{min-height:110px;resize:vertical}
.btn{display:inline-flex;align-items:center;gap:8px;border:0;cursor:pointer;border-radius:var(--radius-xs);padding:9px 12px;font-weight:600;transition:opacity .15s ease;text-decoration:none}
.btn:hover{opacity:.92}
.btn.primary{background:var(--primary);color:#fff}
.btn.ghost{background:#fff;border:1px solid var(--border);color:#111827}
.btn.warning{background:var(--warning);color:#111827}
.btn.danger{background:var(--danger);color:#fff}
.btn.topbtn{color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35)}
.btn.topbtn.alt{background:rgba(255,255,255,.2)}
.btn.topbtn.danger{background:#d9534f;border-color:#c94743}
.btn-sm{padding:7px 8px;min-width:34px;justify-content:center}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.toggle-inline{display:flex;align-items:center;gap:8px;margin:0;color:#334155}
.toggle-inline input{accent-color:#2f87b8}
.table-wrap{overflow:auto}
.table{width:100%;border-collapse:collapse;min-width:980px}
.table th,.table td{padding:10px 8px;border-bottom:1px solid #e7edf3;text-align:left;vertical-align:middle}
.table th{background:#f8fafc;font-weight:600}
.table-actions{display:flex;gap:6px;justify-content:flex-end}
.date-range{display:grid;gap:4px;font-size:12px;line-height:1.25}
.badge-state{display:inline-flex;align-items:center;gap:6px;padding:5px 8px;border-radius:999px;font-size:12px;font-weight:600}
.badge-state.active{background:#ecfdf3;color:#166534;border:1px solid #b7efcc}
.badge-state.inactive{background:#f1f5f9;color:#475569;border:1px solid #d9e2ec}
.empty{border:1px dashed var(--border);border-radius:var(--radius-xs);padding:18px;text-align:center;color:var(--muted)}
.muted{color:var(--muted)}
.modal{position:fixed;inset:0;background:rgba(15,23,42,.42);display:none;align-items:center;justify-content:center;padding:14px;z-index:20}
.modal.show{display:flex}
.modal .sheet{background:#fff;width:100%;max-width:760px;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border);box-shadow:0 10px 30px rgba(2,6,23,.25);max-height:92vh;display:flex;flex-direction:column}
.modal .sheet header{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--border);background:#f8fafc}
.modal .sheet .content{flex:1;min-height:0;overflow:auto;padding:12px}
.close-x{background:transparent;border:0;font-size:20px;cursor:pointer}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.toast{position:fixed;bottom:20px;right:20px;background:#1f2937;color:#fff;padding:11px 14px;border-radius:var(--radius-xs);opacity:0;transform:translateY(8px);transition:all .25s ease;z-index:50}
.toast.show{opacity:1;transform:translateY(0)}
.sidebar-backdrop{display:none}
body.sidebar-collapsed .sidebar{width:72px;flex-basis:72px;padding-left:6px;padding-right:6px}
body.sidebar-collapsed .brand{display:flex;justify-content:center}
body.sidebar-collapsed .brand-wide{display:none}
body.sidebar-collapsed .brand-square{display:block}
body.sidebar-collapsed .menu-header,body.sidebar-collapsed .menu-title span,body.sidebar-collapsed .menu-link span{display:none}
body.sidebar-collapsed .menu-title{justify-content:center}
body.sidebar-collapsed .menu-link{justify-content:center}
@media (max-width:980px){
  .admin-shell{display:block}
  .sidebar{position:fixed;left:-290px;top:0;width:275px;max-height:none;height:100dvh;z-index:30;transition:left .2s ease}
  body.mobile-menu-open .sidebar{left:0}
  .sidebar-backdrop{display:none;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:25}
  body.mobile-menu-open .sidebar-backdrop{display:block}
  body.mobile-menu-open{overflow:hidden}
  body.sidebar-collapsed .sidebar{width:275px;flex-basis:275px;padding-left:9px;padding-right:9px}
  body.sidebar-collapsed .menu-header,body.sidebar-collapsed .menu-title span,body.sidebar-collapsed .menu-link span{display:initial}
  .topbar{height:auto;flex-direction:column;align-items:stretch;gap:8px}
  .topbar-left{justify-content:flex-start}
  .toolbar{justify-content:flex-start}
  .row{grid-template-columns:1fr}
}
@media (max-width:620px){
  .topbar{padding:8px 10px}
  .topbar-left{width:100%}
  .toolbar{width:100%}
  .toolbar .btn{flex:1;min-width:120px}
}
.brand-media,.brand-media img,.brand-wide,.brand-square{
  background:transparent !important;
  border-color:transparent !important;
  box-shadow:none !important;
}