:root{
  --bg:#f4f7fb;
  --panel:#ffffff;
  --panel-2:#f8fbff;
  --line:#e6edf5;
  --text:#101828;
  --muted:#667085;
  --primary:#1476d4;
  --primary-2:#0ea5e9;
  --green:#16a34a;
  --red:#b42318;
  --amber:#f59e0b;
  --purple:#7c3aed;
  --cyan:#06b6d4;
  --shadow:0 16px 40px rgba(16,24,40,.08);
  --radius:18px;
}

*{box-sizing:border-box}
body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);font-size:14px}
a{text-decoration:none;color:inherit}
button,input,select{font:inherit}
.app{display:flex;min-height:100vh}
.sidebar{
  width:250px;background:linear-gradient(180deg,#1484d6 0%,#0b6db7 100%);
  color:#fff;padding:18px 14px;position:fixed;top:0;bottom:0;left:0;overflow:auto;
}
.brand-block{display:flex;align-items:center;gap:12px;padding:8px 10px 22px}
.logo-badge{width:42px;height:42px;border-radius:14px;background:rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}
.brand-title{font-weight:800;font-size:16px;line-height:1.1}
.brand-sub{font-size:11px;opacity:.85;margin-top:2px}
.nav-section{font-size:11px;text-transform:uppercase;letter-spacing:.08em;opacity:.68;margin:18px 10px 8px}
.nav-link{
  display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:13px;color:#eef8ff;margin-bottom:4px;
}
.nav-link:hover,.nav-link.active{background:rgba(255,255,255,.18)}
.nav-icon{width:20px;text-align:center;opacity:.95}
.content{margin-left:250px;width:calc(100% - 250px);padding:22px 26px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px}
.page-title{margin:0;font-size:26px;letter-spacing:-.02em}
.page-sub{margin-top:4px;color:var(--muted);font-size:13px}
.top-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.user-pill{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 12px;box-shadow:0 6px 16px rgba(16,24,40,.05)}
.avatar{width:30px;height:30px;border-radius:999px;background:#e8f3ff;color:#0b6db7;display:flex;align-items:center;justify-content:center;font-weight:800}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:0;border-radius:12px;padding:10px 14px;background:var(--primary);color:#fff;cursor:pointer;font-weight:700;box-shadow:0 8px 18px rgba(20,118,212,.16)}
.btn:hover{filter:brightness(.98)}
.btn.gray{background:#667085}
.btn.red{background:var(--red)}
.btn.green{background:var(--green)}
.btn.light{background:#fff;color:#344054;border:1px solid var(--line);box-shadow:none}
.btn.small{padding:7px 10px;font-size:12px;border-radius:10px}
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:18px}
.card-grid.five{grid-template-columns:repeat(5,minmax(0,1fr))}
.metric{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.metric:after{content:"";position:absolute;right:-28px;top:-28px;width:90px;height:90px;border-radius:999px;background:linear-gradient(135deg,rgba(20,118,212,.12),rgba(14,165,233,.08))}
.metric.cyan:after{background:rgba(6,182,212,.15)}
.metric.green:after{background:rgba(22,163,74,.14)}
.metric.purple:after{background:rgba(124,58,237,.14)}
.metric.amber:after{background:rgba(245,158,11,.16)}
.metric.red:after{background:rgba(180,35,24,.13)}
.metric-label{color:var(--muted);font-size:12px;font-weight:700;margin-bottom:8px}
.metric-value{font-size:28px;font-weight:850;letter-spacing:-.03em}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:18px}
.panel-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.panel-title{font-size:17px;font-weight:850;margin:0}
.panel-sub{color:var(--muted);font-size:12px;margin-top:2px}
.grid-main{display:grid;grid-template-columns:2fr 1fr;gap:18px}
.grid-half{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.table-wrap{overflow:auto}
table.modern{width:100%;border-collapse:separate;border-spacing:0}
table.modern th{background:#f1f6fb;color:#344054;text-align:left;font-size:12px;padding:12px 14px;border-bottom:1px solid var(--line)}
table.modern td{padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
table.modern tr:hover td{background:#fbfdff}
.domain-name,.entity-name{font-weight:850;font-size:15px}
.muted{color:var(--muted);font-size:12px}
.badge{display:inline-flex;align-items:center;gap:5px;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800;background:#eef2ff;color:#344054}
.badge.green{background:#dcfce7;color:#166534}
.badge.red{background:#fee2e2;color:#991b1b}
.badge.amber{background:#fef3c7;color:#92400e}
.badge.blue{background:#dbeafe;color:#1d4ed8}
.form-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.input, input, select, textarea{border:1px solid #d0d5dd;border-radius:12px;padding:10px 12px;background:#fff;color:#101828;outline:none}
.input:focus,input:focus,select:focus,textarea:focus{border-color:#80bfff;box-shadow:0 0 0 4px rgba(20,118,212,.12)}
.alert{border-radius:14px;padding:13px 15px;margin-bottom:16px;border:1px solid}
.alert.info{background:#eef4ff;color:#244a9b;border-color:#cfe0ff}
.alert.ok{background:#e7f7ea;color:#176a2f;border-color:#bde7c6}
.alert.bad{background:#ffe5e5;color:#a10000;border-color:#ffc7c7}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.dns-list{display:grid;gap:8px}
.dns-item{padding:11px 0;border-bottom:1px solid var(--line)}
.dns-item:last-child{border-bottom:0}
.dns-host{font-weight:850;font-size:13px}
.dns-meta{color:var(--muted);font-size:12px;line-height:1.5}
.modal-backdrop{display:none;position:fixed;inset:0;background:rgba(15,23,42,.64);z-index:9999;align-items:center;justify-content:center;padding:20px}
.modal-box{width:min(760px,100%);background:#111827;border-radius:20px;padding:16px;color:#fff;box-shadow:0 30px 80px rgba(0,0,0,.45)}
.modal-inner{background:#1f2937;border-radius:16px;overflow:hidden}
.modal-head{background:#4b5563;color:#fff;padding:13px 18px;font-weight:850;font-size:16px}
.modal-body{padding:16px}
.close-x{float:right;background:transparent;border:0;color:#fff;font-size:28px;cursor:pointer;line-height:1}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eaf6ff,#f8fbff)}
.login-card{width:min(440px,92%);background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:28px}
.login-card h1{margin:0 0 8px;font-size:26px}
.login-card .sub{color:var(--muted);margin-bottom:18px}
.footer-note{text-align:center;color:var(--muted);font-size:12px;margin-top:18px}
@media(max-width:1100px){
  .card-grid,.card-grid.five{grid-template-columns:repeat(2,1fr)}
  .grid-main,.grid-half{grid-template-columns:1fr}
}
@media(max-width:760px){
  .sidebar{position:relative;width:100%;height:auto;bottom:auto}
  .content{margin-left:0;width:100%;padding:18px}
  .app{display:block}
  .card-grid,.card-grid.five{grid-template-columns:1fr}
  .topbar{align-items:flex-start;flex-direction:column}
}