:root {
  --bg: #0f172a;
  --panel: #111827;
  --panel-2: #1f2937;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --line: #334155;
  --accent: #38bdf8;
  --accent-2: #22c55e;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, sans-serif;
  background: linear-gradient(180deg, #020617 0%, var(--bg) 100%);
  color: var(--text);
}
a { color: var(--accent); }
.wrap { max-width: 980px; margin: 0 auto; padding: 24px 16px 80px; }
.hero, .card {
  background: rgba(17,24,39,.92);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
  margin-bottom: 16px;
}
.hero h1, .card h1, .card h2, .card h3 { margin-top: 0; }
.grid { display: grid; gap: 16px; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.tool-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.tool-list li { padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: rgba(15,23,42,.8); }
label { display: block; margin-bottom: 6px; color: var(--muted); font-size: .95rem; }
input, select, button, textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(15,23,42,.95);
  color: var(--text);
  padding: .8rem .9rem;
  font: inherit;
}
button {
  cursor: pointer;
  background: rgba(56, 189, 248, .18);
  font-weight: 700;
}
button.secondary { background: rgba(34,197,94,.15); }
.row { display: grid; gap: 12px; margin-bottom: 14px; }
.row.two { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.result {
  margin-top: 14px;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(15,23,42,.85);
}
.muted { color: var(--muted); }
.badge { display: inline-block; padding: .25rem .55rem; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); font-size: .85rem; margin-right: 8px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; }
th { color: #cbd5e1; }
.small { font-size: .92rem; }
.nav { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.nav a { text-decoration: none; padding: .55rem .85rem; border-radius: 999px; border: 1px solid var(--line); background: rgba(15,23,42,.8); }
.footer { margin-top: 30px; color: var(--muted); font-size: .92rem; }
code { background: rgba(2,6,23,.9); padding: .15rem .4rem; border-radius: 6px; }