:root{
  --bg:#0f1720; --panel:#ffffff; --ink:#1b2530; --muted:#6b7785;
  --brand:#0b6bcb; --brand-dark:#084e95; --line:#e3e8ee; --soft:#f5f7fa;
  --ok:#127a3a; --ok-bg:#e4f4ea; --warn:#8a5a00; --warn-bg:#fdf0d5; --off:#8a1f1f; --off-bg:#fbe4e4;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--soft);line-height:1.5}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(1080px,92%);margin-inline:auto}
.site-header{background:var(--bg);color:#fff}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem 0}
.brand{color:#fff;font-weight:700;font-size:1.15rem;letter-spacing:.5px}
.brand span{color:#8fc3f7;font-weight:500}
.nav{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
.nav a{color:#d6e2ee}
.nav a:hover{color:#fff}
.logout-form{display:flex;align-items:center;gap:.5rem;margin:0}
.user{color:#8fc3f7;font-size:.9rem}
.main{padding:2rem 0 3rem}
.btn{display:inline-block;border:1px solid transparent;border-radius:8px;padding:.5rem .95rem;
  font-size:.95rem;cursor:pointer;background:#e9eef4;color:var(--ink)}
.btn:hover{text-decoration:none;filter:brightness(.97)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-ghost{background:transparent;border-color:#3a4a5a;color:#d6e2ee}
.hero{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:2.4rem;text-align:center}
.hero h1{margin:.2rem 0 .6rem;font-size:2rem}
.lead{font-size:1.1rem;color:var(--muted);max-width:60ch;margin-inline:auto}
.hero-actions{margin:1.4rem 0 .6rem}
.muted{color:var(--muted);font-size:.9rem}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:1.6rem}
.auth-card{max-width:380px;margin-inline:auto}
.auth-card label{display:block;margin:.8rem 0;font-weight:600;font-size:.9rem}
.auth-card input{display:block;width:100%;margin-top:.3rem;padding:.55rem .7rem;border:1px solid var(--line);
  border-radius:8px;font-size:1rem}
.error{color:var(--off);background:var(--off-bg);padding:.6rem .8rem;border-radius:8px}
.list-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}
.list-head h1{margin:0}
.search{display:flex;gap:.5rem}
.search input{padding:.5rem .7rem;border:1px solid var(--line);border-radius:8px;min-width:min(320px,60vw)}
.table-wrap{overflow-x:auto;background:var(--panel);border:1px solid var(--line);border-radius:14px}
table.data{width:100%;border-collapse:collapse;font-size:.93rem}
table.data th,table.data td{padding:.65rem .8rem;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
table.data thead th{background:var(--soft);font-size:.78rem;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}
table.data tbody tr:hover{background:#f9fbfd}
td.empty{text-align:center;color:var(--muted);padding:2rem}
.badge{display:inline-block;padding:.15rem .55rem;border-radius:999px;font-size:.78rem;font-weight:600}
.badge-active{background:var(--ok-bg);color:var(--ok)}
.badge-planned{background:var(--warn-bg);color:var(--warn)}
.badge-offline{background:var(--off-bg);color:var(--off)}
dl.detail{display:grid;grid-template-columns:180px 1fr;gap:.4rem 1rem;margin-top:1rem}
dl.detail dt{color:var(--muted);font-weight:600}
dl.detail dd{margin:0}
.site-footer{border-top:1px solid var(--line);color:var(--muted);padding:1.4rem 0;font-size:.9rem}
@media(max-width:640px){
  dl.detail{grid-template-columns:1fr}
  dl.detail dt{margin-top:.6rem}
  .hero{padding:1.6rem}
}