:root{
  --bg:#0a0c18; --bg2:#0f1226; --card:#151933; --card2:#1b2044;
  --line:#272d58; --line2:#3a4190; --txt:#e9ecff; --mut:#8a90c0; --mut2:#5b608f;
  --acc:#00c8ff; --acc2:#7b5cff; --ok:#00e676; --warn:#ffab40; --err:#ff5252;
  --radius:14px;
}
*{box-sizing:border-box}
body{
  margin:0;min-height:100vh;color:var(--txt);
  font:14px/1.65 -apple-system,"Segoe UI","Microsoft YaHei",system-ui,sans-serif;
  background:
    radial-gradient(900px 500px at 10% -10%, rgba(0,200,255,.10), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(123,92,255,.12), transparent 55%),
    var(--bg);
}
a{color:var(--acc);text-decoration:none;transition:.15s}
a:hover{color:#5fe0ff}

.topbar{
  display:flex;align-items:center;justify-content:space-between;
  height:60px;padding:0 22px;position:sticky;top:0;z-index:10;
  background:linear-gradient(90deg, rgba(21,25,51,.92), rgba(27,32,68,.92));
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 24px rgba(0,0,0,.35);
}
.brand{font-weight:800;letter-spacing:.5px;
  background:linear-gradient(90deg,var(--acc),var(--acc2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.topbar nav{display:flex;align-items:center;gap:4px}
.topbar nav a{padding:8px 14px;border-radius:10px;color:var(--txt);opacity:.82;font-weight:500}
.topbar nav a:hover{opacity:1;background:rgba(0,200,255,.10);color:var(--acc)}
.topbar nav a.logout{color:var(--err);opacity:.9}
.topbar nav a.logout:hover{background:rgba(255,82,82,.12)}

.wrap{max-width:1120px;margin:26px auto;padding:0 18px}
h1{font-size:23px;margin:6px 0 20px;font-weight:700}
h2{font-size:15px;margin:0 0 14px;color:var(--txt);font-weight:700}

.card,table.grid{
  background:linear-gradient(180deg,var(--card),var(--bg2));
  border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:0 10px 30px rgba(0,0,0,.28);
}
.card{padding:18px;margin-bottom:18px}

.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:20px}
.stat{position:relative;overflow:hidden;padding:18px;border-radius:var(--radius);
  background:linear-gradient(180deg,var(--card),var(--bg2));
  border:1px solid var(--line);box-shadow:0 10px 30px rgba(0,0,0,.28)}
.stat::before{content:"";position:absolute;top:0;bottom:0;left:0;width:3px;
  background:linear-gradient(180deg,var(--acc),var(--acc2))}
.stat .n{font-size:28px;font-weight:800;color:#fff;letter-spacing:.5px}
.stat .l{color:var(--mut);font-size:13px;margin-top:2px}

table.grid{border-collapse:separate;border-spacing:0;width:100%;overflow:hidden}
table.grid th,table.grid td{padding:11px 12px;text-align:left;vertical-align:middle}
table.grid thead th{
  background:linear-gradient(180deg,#1a2046,#141a3a);
  color:var(--mut);font-weight:600;font-size:12.5px;letter-spacing:.4px;
  border-bottom:1px solid var(--line)}
table.grid tbody td{border-bottom:1px solid rgba(39,45,88,.7)}
table.grid tbody tr{transition:background .12s}
table.grid tbody tr:hover{background:rgba(0,200,255,.045)}
table.grid tbody tr:last-child td{border-bottom:0}

input,select,button{font:inherit}
input[type=text],input[type=password],input[type=date],input:not([type]),select{
  background:#0c0f22;border:1px solid var(--line);color:var(--txt);
  border-radius:10px;padding:9px 11px;outline:none;transition:.15s;min-width:0}
input:focus{border-color:var(--acc);box-shadow:0 0 0 3px rgba(0,200,255,.15)}
input::placeholder{color:var(--mut2)}
button{
  background:linear-gradient(90deg,var(--acc),var(--acc2));border:0;color:#fff;
  border-radius:10px;padding:9px 16px;cursor:pointer;font-weight:600;
  transition:.15s;box-shadow:0 4px 14px rgba(0,140,255,.25)}
button:hover{filter:brightness(1.08);transform:translateY(-1px)}
button:active{transform:translateY(0)}
button.danger{background:linear-gradient(90deg,#ff5252,#c62828);box-shadow:0 4px 14px rgba(255,82,82,.25)}
button.ghost{background:#2a3050;box-shadow:none}
.btn{display:inline-block;background:rgba(0,200,255,.10);color:var(--acc);
  border:1px solid rgba(0,200,255,.25);border-radius:9px;padding:6px 12px;font-size:13px;font-weight:500}
.btn:hover{background:rgba(0,200,255,.18)}

.inline{display:flex;gap:9px;flex-wrap:wrap;align-items:center}
.inline input{min-width:130px}
.card form:not(.inline){display:flex;flex-direction:column;gap:12px;max-width:400px}
.card form label{display:flex;flex-direction:column;gap:5px;color:var(--mut)}
.chk{display:inline-flex;gap:6px;align-items:center;color:var(--mut)}
.chk input{accent-color:var(--acc)}

.login{max-width:390px;margin:9vh auto;padding:28px}
.login h1{margin:0 0 18px;text-align:center;
  background:linear-gradient(90deg,var(--acc),var(--acc2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.login form{gap:14px;max-width:none}
.login button{width:100%;padding:12px;font-size:15px;margin-top:4px}

.mini{display:inline}
.ops{white-space:nowrap}
.ops form.mini{display:inline-block;margin:0 2px}
.ops button{padding:6px 10px;font-size:12.5px}
.tiny{width:66px}
.mono{font-family:ui-monospace,"Cascadia Mono",Consolas,monospace;font-size:12.5px;color:#b9c1ea}
.tag{border-radius:20px;padding:3px 11px;font-size:12px;font-weight:600;border:1px solid transparent}
.tag.ok{background:rgba(0,230,118,.12);color:var(--ok);border-color:rgba(0,230,118,.3)}
.tag.off{background:rgba(255,82,82,.12);color:var(--err);border-color:rgba(255,82,82,.3)}
.expired{color:var(--err);font-weight:600}
.muted{color:var(--mut)}
.flash{border-radius:11px;padding:11px 14px;margin-bottom:16px;font-weight:500;border:1px solid transparent}
.flash.ok{background:rgba(0,230,118,.10);color:var(--ok);border-color:rgba(0,230,118,.28)}
.flash.err{background:rgba(255,82,82,.10);color:var(--err);border-color:rgba(255,82,82,.28)}
code{background:#0c0f22;border:1px solid var(--line);border-radius:7px;padding:2px 7px;font-size:12.5px;color:#9fe8ff}
.foot{text-align:center;color:var(--mut2);padding:28px;font-size:12px}

@media (max-width:640px){
  .topbar{height:auto;flex-direction:column;gap:8px;padding:12px}
  .topbar nav{flex-wrap:wrap;justify-content:center}
  table.grid{display:block;overflow-x:auto;white-space:nowrap}
}