:root { color-scheme: dark; --bg:#07111f; --panel:rgba(15,23,42,.82); --line:rgba(148,163,184,.2); --text:#e5e7eb; --muted:#94a3b8; --blue:#38bdf8; --green:#22c55e; --amber:#f59e0b; --red:#ef4444; }
* { box-sizing: border-box; }
body { margin:0; min-height:100vh; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: radial-gradient(circle at 10% 10%, rgba(56,189,248,.24), transparent 30%), radial-gradient(circle at 90% 0%, rgba(34,197,94,.16), transparent 28%), linear-gradient(135deg,#020617,var(--bg)); color:var(--text); }
.shell { width:min(1280px, calc(100% - 28px)); margin:0 auto; padding:28px 0 44px; }
.glass { background:var(--panel); border:1px solid var(--line); box-shadow:0 22px 70px rgba(0,0,0,.28); backdrop-filter:blur(18px); }
.hero { border-radius:30px; padding:32px; margin-bottom:16px; }
.eyebrow { margin:0 0 12px; color:var(--blue); font-size:12px; font-weight:900; letter-spacing:.18em; text-transform:uppercase; }
h1 { margin:0; font-size:clamp(42px,7vw,76px); line-height:.95; letter-spacing:-.06em; }
.subtitle { max-width:860px; margin:18px 0 0; color:var(--muted); line-height:1.8; }
.layout { display:grid; grid-template-columns:420px minmax(0,1fr); gap:16px; align-items:stretch; }
.settings, .chart-card, .network-card { border-radius:26px; padding:22px; }
.settings { height:100%; }
.section-title { display:flex; align-items:flex-start; justify-content:space-between; gap:16px; margin-bottom:18px; color:var(--muted); }
h2 { margin:0; color:var(--text); font-size:24px; }
.field { display:grid; gap:8px; margin-bottom:16px; }
.field span, .check, .hint { color:var(--muted); line-height:1.65; }
input, select { width:100%; border:1px solid var(--line); border-radius:16px; background:rgba(2,6,23,.5); color:var(--text); padding:13px 14px; font-size:15px; outline:none; }
input:focus, select:focus { border-color:rgba(56,189,248,.65); }
.two-cols { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.check { display:flex; gap:10px; align-items:center; margin:4px 0 18px; }
.check input { width:auto; }
.actions { display:flex; gap:10px; flex-wrap:wrap; margin-bottom:14px; }
button { color:#fff; border:1px solid var(--line); background:rgba(148,163,184,.12); border-radius:999px; padding:12px 18px; font-weight:900; cursor:pointer; }
button:disabled { opacity:.45; cursor:not-allowed; }
.primary { background:linear-gradient(135deg,#0284c7,#16a34a); border-color:transparent; }
.hint { margin:0; font-size:13px; }
.dashboard { display:grid; grid-template-columns:repeat(2,1fr); grid-template-rows:repeat(2,minmax(0,1fr)); gap:16px; height:100%; align-self:stretch; }
.metric { border-radius:26px; padding:22px; min-height:0; display:flex; flex-direction:column; justify-content:space-between; }
.metric span { color:var(--muted); }
.metric strong { font-size:clamp(30px,5vw,52px); letter-spacing:-.05em; word-break:break-word; }
.chart-card { margin-top:16px; }
.dot { display:inline-block; width:10px; height:10px; border-radius:50%; margin:0 6px 0 14px; }
.dot.speed { background:var(--blue); }
.dot.latency { background:var(--amber); }
canvas { width:100%; height:360px; border-radius:20px; border:1px solid var(--line); background:#020617; display:block; }
@media (max-width:980px) { .layout { grid-template-columns:1fr; } .settings { height:auto; } .dashboard { grid-template-columns:1fr 1fr; grid-template-rows:auto; height:auto; } }
@media (max-width:620px) { .hero, .settings, .chart-card { padding:20px; border-radius:22px; } .two-cols, .dashboard { grid-template-columns:1fr; } .section-title { flex-direction:column; } }

.network-card {
  position: relative;
  overflow: hidden;
  margin-bottom: 18px;
  padding: 0;
  border-radius: 30px;
  background:
    radial-gradient(circle at 16% 8%, rgba(56,189,248,.24), transparent 30%),
    radial-gradient(circle at 92% 12%, rgba(34,197,94,.18), transparent 26%),
    rgba(15,23,42,.84);
}
.network-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255,255,255,.08), transparent 34%, rgba(56,189,248,.05));
}
.network-hero {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 26px 28px 18px;
}
.eyebrow.mini { margin-bottom: 8px; font-size: 11px; color: #7dd3fc; }
.section-desc { margin: 8px 0 0; color: var(--muted); line-height: 1.75; max-width: 760px; }
.small-btn {
  padding: 10px 16px;
  font-size: 13px;
  white-space: nowrap;
  border-color: rgba(56,189,248,.32);
  background: rgba(14,165,233,.14);
}
.visitor-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(260px, .9fr);
  gap: 14px;
  padding: 0 28px 18px;
}
.visitor-ip {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(148,163,184,.18);
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(2,6,23,.64), rgba(15,23,42,.42));
  padding: 20px;
  display: grid;
  gap: 8px;
  min-height: 148px;
}
.visitor-ip span { color: var(--muted); font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.visitor-ip strong { position: relative; font-size: clamp(28px, 4.5vw, 48px); line-height: 1; letter-spacing: -.06em; word-break: break-all; }
.visitor-ip em { position: relative; color: var(--muted); font-style: normal; line-height: 1.6; }
.primary-ip strong { color: #e0f2fe; text-shadow: 0 0 28px rgba(56,189,248,.28); }
.latency-summary strong { color: #bbf7d0; text-shadow: 0 0 28px rgba(34,197,94,.24); }
.ip-glow {
  position: absolute;
  width: 220px;
  height: 220px;
  right: -80px;
  top: -100px;
  background: radial-gradient(circle, rgba(56,189,248,.24), transparent 68%);
}
.site-latency-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 0 28px 18px;
}
.latency-group {
  border: 1px solid rgba(148,163,184,.16);
  border-radius: 26px;
  background: rgba(2,6,23,.34);
  padding: 16px;
}
.latency-group.domestic { box-shadow: inset 0 1px 0 rgba(34,197,94,.16); }
.latency-group.global { box-shadow: inset 0 1px 0 rgba(56,189,248,.16); }
.latency-group-head { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:14px; }
.latency-group-head span { color: var(--muted); font-size:11px; font-weight:900; letter-spacing:.14em; text-transform:uppercase; }
.latency-group-head h3 { margin: 4px 0 0; font-size: 20px; }
.latency-group-head b { border-radius:999px; padding:6px 10px; background:rgba(255,255,255,.08); color:#cbd5e1; font-size:12px; }
.latency-sites { display:grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.site-card {
  border: 1px solid rgba(148,163,184,.16);
  border-radius: 20px;
  padding: 14px;
  background: linear-gradient(180deg, rgba(15,23,42,.78), rgba(2,6,23,.48));
  display:grid;
  gap: 10px;
  min-height: 132px;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.site-card:hover { transform: translateY(-2px); border-color: rgba(56,189,248,.36); }
.site-card-top { display:flex; align-items:center; justify-content:space-between; gap:10px; }
.site-card-top span { color:#cbd5e1; font-weight:850; }
.site-card-top i { font-style:normal; font-size:12px; color:var(--muted); border-radius:999px; padding:4px 8px; background:rgba(148,163,184,.1); }
.site-card strong { font-size: 30px; line-height:1; letter-spacing:-.05em; }
.site-card em { color: var(--muted); font-style: normal; font-size: 12px; line-height:1.45; }
.site-card.pending strong { color: var(--muted); font-size: 24px; }
.latency-bar { height: 7px; border-radius: 999px; overflow:hidden; background: rgba(148,163,184,.14); }
.latency-bar span { display:block; height:100%; border-radius:inherit; background: linear-gradient(90deg, currentColor, rgba(255,255,255,.74)); transition: width .28s ease; }
.site-card.good { color: var(--green); border-color: rgba(34,197,94,.42); background: linear-gradient(180deg, rgba(20,83,45,.32), rgba(2,6,23,.48)); }
.site-card.ok { color: var(--blue); border-color: rgba(56,189,248,.42); }
.site-card.warn { color: var(--amber); border-color: rgba(245,158,11,.46); }
.site-card.bad { color: var(--red); border-color: rgba(239,68,68,.46); }
.site-card.good .site-card-top i, .site-card.ok .site-card-top i, .site-card.warn .site-card-top i, .site-card.bad .site-card-top i { color: currentColor; background: rgba(255,255,255,.08); }
.empty-line { color: var(--muted); padding: 18px; }
.latency-hint { position:relative; margin: 0; padding: 0 28px 24px; color: #8fa3bd; }
@media (max-width:980px) {
  .visitor-row, .site-latency-grid { grid-template-columns:1fr; }
}
@media (max-width:620px) {
  .network-hero { flex-direction:column; padding:22px; }
  .visitor-row, .site-latency-grid { padding-left:18px; padding-right:18px; }
  .latency-sites { grid-template-columns:1fr; }
  .latency-hint { padding-left:18px; padding-right:18px; }
}