:root{
  --gd-bg:#f1f5f9;
  --gd-surface:#ffffff;
  --gd-text:#0f172a;
  --gd-muted:#64748b;
  --gd-border:#e2e8f0;
  --gd-primary:#0f172a;
  --gd-accent:#1d4ed8;
  --gd-success:#059669;
  --gd-warning:#d97706;
  --gd-danger:#dc2626;
  --gd-radius:22px;
  --gd-shadow:0 10px 30px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
body{background:var(--gd-bg);color:var(--gd-text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}
a{text-decoration:none}
.login-body{min-height:100vh;background:radial-gradient(circle at top left,#e2e8f0 0,#f8fafc 40%,#eef2ff 100%)}
.gd-shell{min-height:100vh}
.gd-sidebar{background:#fff;border-right:1px solid var(--gd-border)}
.gd-brand{background:linear-gradient(135deg,#0f172a 0,#1e293b 100%);color:#fff;border-radius:28px;padding:1.25rem;box-shadow:var(--gd-shadow)}
.gd-brand .icon-box{height:48px;width:48px;border-radius:18px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center}
.gd-nav-link{display:flex;align-items:center;gap:.75rem;border-radius:18px;padding:.85rem 1rem;color:#334155;background:#f8fafc;transition:.2s ease}
.gd-nav-link:hover{background:#e2e8f0;color:#0f172a}
.gd-nav-link.active{background:#0f172a;color:#fff;box-shadow:var(--gd-shadow)}
.gd-main{padding:1rem}
@media (min-width: 992px){.gd-main{padding:2rem 2.25rem}.gd-sidebar{min-height:100vh;position:sticky;top:0}}
.gd-topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;flex-wrap:wrap}
.gd-page-title{font-size:2rem;font-weight:700;letter-spacing:-.03em;margin:0}
.gd-page-subtitle{color:var(--gd-muted);margin:0.35rem 0 0}
.gd-card{border:1px solid var(--gd-border);border-radius:var(--gd-radius);box-shadow:var(--gd-shadow);background:var(--gd-surface)}
.gd-card-header{padding:1.25rem 1.25rem .5rem}
.gd-card-body{padding:1.25rem}
.gd-card-title{font-size:1.05rem;font-weight:700;margin:0}
.gd-card-subtitle{font-size:.92rem;color:var(--gd-muted);margin-top:.35rem}
.gd-stat{border:1px solid var(--gd-border);border-radius:22px;background:#fff;box-shadow:var(--gd-shadow);height:100%}
.gd-stat .icon{height:46px;width:46px;border-radius:18px;background:#eff6ff;display:flex;align-items:center;justify-content:center;color:#1d4ed8}
.gd-stat .label{color:var(--gd-muted);font-size:.9rem}.gd-stat .value{font-size:1.9rem;font-weight:700;letter-spacing:-.03em}
.gd-soft{background:#f8fafc;border:1px solid var(--gd-border);border-radius:20px}
.gd-muted{color:var(--gd-muted)}
.gd-badge{display:inline-flex;align-items:center;gap:.35rem;border-radius:999px;padding:.42rem .7rem;font-size:.78rem;font-weight:600}
.gd-badge.success{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}
.gd-badge.warning{background:#fffbeb;color:#b45309;border:1px solid #fcd34d}
.gd-badge.secondary{background:#f8fafc;color:#475569;border:1px solid var(--gd-border)}
.gd-badge.dark{background:#0f172a;color:#fff;border:1px solid #0f172a}
.gd-table thead th{color:#64748b;font-weight:600;border-bottom:1px solid var(--gd-border);white-space:nowrap}
.gd-table> :not(caption)>*>*{padding:1rem .75rem;background:transparent}
.gd-table tbody tr{border-bottom:1px solid #f1f5f9}
.gd-table tbody tr:last-child{border-bottom:0}
.gd-form-control,.gd-form-select{border-radius:16px!important;border:1px solid #cbd5e1!important;padding:.75rem .9rem!important;box-shadow:none!important}
.gd-form-control:focus,.gd-form-select:focus{border-color:#94a3b8!important;box-shadow:0 0 0 .2rem rgba(148,163,184,.15)!important}
.gd-btn-primary{background:#0f172a;border-color:#0f172a;border-radius:16px;padding:.7rem 1rem;font-weight:600}
.gd-btn-primary:hover{background:#1e293b;border-color:#1e293b}
.gd-btn-success{background:#059669;border-color:#059669;border-radius:16px;padding:.7rem 1rem;font-weight:600}
.gd-btn-success:hover{background:#047857;border-color:#047857}
.gd-btn-light,.gd-btn-outline{border-radius:16px;padding:.7rem 1rem;font-weight:600}
.gd-upload-zone{border:2px dashed #cbd5e1;border-radius:28px;background:#f8fafc;padding:2rem;text-align:center}
.gd-upload-zone i{font-size:2rem;color:#64748b}
.gd-kv{display:flex;justify-content:space-between;gap:1rem;padding:.45rem 0;font-size:.95rem}
.gd-kv span:first-child{color:var(--gd-muted)}
.gd-login-card{border:1px solid var(--gd-border);border-radius:28px;box-shadow:var(--gd-shadow);overflow:hidden}
.gd-login-hero{background:linear-gradient(135deg,#0f172a 0,#1e3a8a 100%);color:#fff;padding:2rem;height:100%}
.gd-login-hero p{color:#cbd5e1}
.alert{border-radius:18px;border:0;box-shadow:var(--gd-shadow)}
.nav-tabs .nav-link{border-radius:14px!important;color:#475569}.nav-tabs .nav-link.active{background:#0f172a!important;color:#fff!important;border-color:#0f172a!important}