:root{
  --bg:#f5f8fc;
  --card:#ffffff;
  --line:#e5ebf3;
  --text:#152033;
  --muted:#6f7b8d;
  --blue:#0b63ce;
  --blue2:#114f9f;
  --sidebar:#0b2f60;
  --success:#138a53;
  --danger:#c43b3b;
  --warning:#a66600;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}
.app-shell{display:flex;min-height:100vh}
.sidebar{width:258px;background:linear-gradient(180deg,#0a3f80 0%,#082d5b 100%);color:#fff;padding:24px 18px;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column}
.brand{display:flex;gap:12px;align-items:center;padding:4px 8px 24px;border-bottom:1px solid rgba(255,255,255,.15)}
.brand-mark{width:44px;height:44px;border-radius:12px;background:#fff;color:#0b63ce;display:grid;place-items:center;font-weight:900;font-size:24px}
.brand strong{display:block;font-size:18px;letter-spacing:.4px}
.brand span{font-size:12px;opacity:.8}
.sidebar nav{padding-top:20px;display:grid;gap:7px}
.sidebar nav a{padding:12px 14px;border-radius:10px;color:#dce9f8;font-weight:600;display:flex;gap:10px;align-items:center}
.sidebar nav a:hover,.sidebar nav a.active{background:rgba(255,255,255,.14);color:#fff}
.sidebar-foot{margin-top:auto;padding:16px 8px 0;font-size:12px;opacity:.75}
.main{margin-left:258px;min-height:100vh;width:calc(100% - 258px)}
.topbar{height:82px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 30px;position:sticky;top:0;z-index:5}
.topbar h1{font-size:23px;margin:0}
.top-actions{display:flex;gap:10px;align-items:center}
.admin-pill{background:#eef4fb;border:1px solid #dbe7f5;padding:9px 12px;border-radius:999px;font-size:13px}
.content{padding:28px 30px 50px}
.grid{display:grid;gap:18px}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 7px 24px rgba(26,65,110,.05)}
.stat-label{font-size:13px;color:var(--muted);margin-bottom:10px}
.stat-value{font-size:28px;font-weight:800}
.stat-sub{font-size:12px;color:var(--muted);margin-top:8px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.input,.select{height:42px;border:1px solid #d7e0eb;border-radius:10px;background:#fff;padding:0 12px;font:inherit;min-width:170px}
.input.search{min-width:280px}
.btn{height:42px;border-radius:10px;border:0;padding:0 15px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.btn-primary{background:var(--blue);color:#fff}
.btn-ghost{background:#fff;border:1px solid #d7e0eb;color:#334155}
.btn-danger{background:#fff0f0;color:var(--danger);border:1px solid #f3c7c7}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:13px 12px;border-bottom:1px solid var(--line);font-size:13px;vertical-align:middle}
th{font-size:12px;text-transform:uppercase;color:#728096;letter-spacing:.35px;background:#f9fbfd}
.badge{display:inline-flex;padding:5px 8px;border-radius:999px;font-size:12px;font-weight:700}
.badge.success{background:#eaf7f0;color:var(--success)}
.badge.failed{background:#fff0f0;color:var(--danger)}
.badge.pending{background:#fff6df;color:var(--warning)}
.muted{color:var(--muted)}
.section-title{display:flex;justify-content:space-between;align-items:center;margin:0 0 14px}
.section-title h2{font-size:18px;margin:0}
.alert{margin:18px 30px 0;padding:12px 14px;border-radius:10px;font-weight:600}
.alert.success{background:#e9f8ef;color:#12633f;border:1px solid #c5ead4}
.alert.error{background:#fff0f0;color:#8f2d2d;border:1px solid #f0c6c6}
.empty{padding:34px;text-align:center;color:var(--muted)}
.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#eef5ff 0%,#f9fbfe 100%)}
.login-card{width:min(430px,92vw);background:#fff;padding:34px;border:1px solid var(--line);border-radius:20px;box-shadow:0 20px 60px rgba(32,79,133,.12)}
.login-logo{display:flex;gap:12px;align-items:center;margin-bottom:26px}
.login-logo .brand-mark{background:#0b63ce;color:#fff}
.login-card label{display:block;margin:14px 0 7px;font-size:13px;font-weight:700}
.login-card .input{width:100%}
.login-card .btn{width:100%;margin-top:18px}
.login-note{font-size:12px;color:var(--muted);margin-top:16px;line-height:1.5}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-group label{display:block;margin-bottom:6px;font-size:13px;font-weight:700}
.form-group .input,.form-group .select{width:100%}
@media(max-width:1050px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){
  .sidebar{position:static;width:100%;min-height:auto}
  .app-shell{display:block}
  .main{margin-left:0;width:100%}
  .sidebar nav{grid-template-columns:1fr 1fr}
  .sidebar-foot{display:none}
  .topbar{position:static;padding:0 18px}
  .content{padding:18px}
  .grid-4,.grid-2,.form-row{grid-template-columns:1fr}
  .input.search{min-width:100%;width:100%}
}