:root{
  --ink:#1c2434; --muted:#8a93a5; --line:#e7eaf0; --bg:#f4f6fa; --panel:#ffffff;
  --brand:#2563eb; --brand2:#1e40af; --soft:#eaf1ff; --green:#16a34a; --green-soft:#e6f7ec;
  --amber:#d97706; --red:#dc2626; --red-soft:#fdecec;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:#fff;border:none;font-weight:700;padding:11px 20px;border-radius:12px;cursor:pointer;font-size:14px}
.btn:hover{background:var(--brand2)}
.btn.ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}
.btn.green{background:var(--green)} .btn.block{width:100%;justify-content:center}
.btn.sm{padding:5px 11px;font-size:12.5px;border-radius:9px}
input,select,textarea{width:100%;background:#fff;border:1px solid var(--line);color:var(--ink);padding:11px 13px;border-radius:10px;font-size:14px;outline:none}
input:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
label{display:block;font-size:12.5px;color:var(--muted);font-weight:600;margin:12px 0 5px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.flash{background:var(--green-soft);border:1px solid #bfe6cd;color:#15803d;padding:11px 14px;border-radius:11px;font-size:13.5px;margin-bottom:16px}
.muted{color:var(--muted);font-size:13px}
.gem{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,#5b9dff,var(--brand) 60%,var(--brand2));display:inline-block;box-shadow:0 3px 10px rgba(37,99,235,.35)}

/* auth pages */
.authwrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;
  background:radial-gradient(1000px 500px at 80% -10%,#e5efff 0%,var(--bg) 55%)}
.authbox{width:100%;max-width:420px;background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 20px 50px rgba(16,24,40,.08)}
.brandrow{display:flex;align-items:center;gap:10px;margin-bottom:6px;font-size:20px;font-weight:800}
.authbox h2{margin:14px 0 2px;font-size:22px} .authbox .sub{color:var(--muted);font-size:13px;margin-bottom:18px}

/* app shell */
.app{display:flex;min-height:100vh}
.side{width:230px;background:#fff;border-right:1px solid var(--line);flex-shrink:0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.side .top{padding:18px 16px;display:flex;align-items:center;gap:9px;border-bottom:1px solid var(--line);font-weight:800;font-size:16px}
.side nav{padding:10px;overflow:auto;flex:1}
.side a{display:flex;align-items:center;gap:10px;padding:11px 13px;border-radius:10px;color:#42506a;font-weight:600;font-size:14px;margin-bottom:2px}
.side a:hover{background:var(--soft)} .side a.active{background:var(--brand);color:#fff;box-shadow:0 4px 12px rgba(37,99,235,.25)}
.side .foot{padding:14px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.pill{display:inline-block;font-size:11px;color:var(--brand);border:1px solid var(--line);background:var(--soft);border-radius:20px;padding:3px 11px;font-weight:700}
.main{flex:1;min-width:0}
.hbar{height:60px;border-bottom:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 22px;position:sticky;top:0;z-index:5}
.hbar h1{font-size:20px;margin:0}
.content{padding:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 1px 2px rgba(16,24,40,.04)}
.card h3{margin:0 0 10px;font-size:16px}
.stat{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-bottom:22px}
.stat .card b{font-size:32px;display:block;color:var(--brand)} .stat .card span{color:var(--muted);font-size:13px}
table.tbl{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
table.tbl th{background:#f5f7fb;color:var(--muted);text-align:left;font-size:12px;padding:11px 14px;font-weight:700}
table.tbl td{padding:11px 14px;border-top:1px solid var(--line);font-size:13.5px}
.badge{display:inline-block;font-size:11.5px;font-weight:800;border-radius:20px;padding:3px 10px}
.badge.in{background:var(--green-soft);color:#15803d} .badge.out{background:#eef1f6;color:#64748b}
.avatar{width:40px;height:40px;border-radius:10px;object-fit:cover;background:var(--soft);display:inline-flex;align-items:center;justify-content:center;font-size:16px;color:var(--brand)}
.seg{display:flex;gap:10px} .seg label{flex:1;margin:0}
.seg .opt{border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center;cursor:pointer}
.seg input{display:none} .seg input:checked + .opt{border-color:var(--brand);background:var(--soft)}
@media(max-width:820px){ .side{display:none} .row2{grid-template-columns:1fr} }