:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-2: #273449;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-2: #0ea5e9;
  --border: #334155;
  --warn: #fbbf24;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 70% -10%, #1e3a5f 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}

header h1 { margin: 0 0 6px; font-size: 2rem; }
.subtitle { margin: 0 0 28px; color: var(--muted); }

.search {
  display: flex;
  gap: 10px;
  margin-bottom: 22px;
}

.search input {
  flex: 1;
  padding: 14px 16px;
  font-size: 1rem;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  outline: none;
}

.search input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(56,189,248,.15); }

.search button {
  padding: 14px 22px;
  font-size: 1rem;
  font-weight: 600;
  color: #07131f;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  border: none;
  border-radius: 12px;
  cursor: pointer;
}

.search button:hover { filter: brightness(1.07); }

.result {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
}

.ip-line {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: .3px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.cell {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
}

.cell .k { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 6px; }
.cell .v { display: block; font-size: 1rem; word-break: break-word; }
.cell small { color: var(--muted); }
.tag {
  display: inline-block; margin: 2px 0 0 4px; padding: 2px 8px;
  font-size: .72rem; border-radius: 999px;
  background: rgba(244,63,94,.14); border: 1px solid rgba(244,63,94,.4); color: #fda4af;
}

.flag { height: 1.2em; vertical-align: -0.18em; margin-right: 6px; border-radius: 3px; }
.link { color: var(--accent); text-decoration: none; }
.link:hover { text-decoration: underline; }

.warn {
  margin-top: 16px;
  padding: 10px 14px;
  background: rgba(251, 191, 36, .12);
  border: 1px solid rgba(251, 191, 36, .4);
  color: var(--warn);
  border-radius: 10px;
  font-size: .92rem;
}

details { margin-top: 18px; }
summary { cursor: pointer; color: var(--muted); font-size: .85rem; }
details pre {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  overflow-x: auto;
  font-size: .8rem;
  color: #cbd5e1;
}

.status { margin-top: 14px; color: var(--muted); font-size: .9rem; min-height: 1.2em; }
.hidden { display: none; }