:root {
  --bg: #0f1115; --panel: #171a21; --line: #262b36; --text: #e6e9ef;
  --muted: #8b93a3; --accent: #6ea8fe; --error: #ff6b6b; --ok: #4cd07d;
}
* { box-sizing: border-box; }
body {
  margin: 0; font: 15px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg); color: var(--text);
}
body.center { display: grid; place-items: center; min-height: 100vh; }
h1 { font-size: 1.4rem; margin: 0 0 .25rem; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
.muted { color: var(--muted); font-size: .9rem; }
.error { color: var(--error); font-size: .9rem; }

.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 1.5rem; max-width: 640px; margin: 1rem auto; width: calc(100% - 2rem);
}
.bar { display: flex; align-items: center; gap: .75rem; padding: .75rem 1.25rem; border-bottom: 1px solid var(--line); }
.spacer { flex: 1; }

form { display: grid; gap: .75rem; margin-top: 1rem; }
label { display: grid; gap: .3rem; font-size: .85rem; color: var(--muted); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
input, select {
  background: var(--bg); border: 1px solid var(--line); color: var(--text);
  padding: .55rem .65rem; border-radius: 8px; font: inherit;
}
button {
  background: var(--accent); color: #0b0d12; border: 0; padding: .6rem 1rem;
  border-radius: 8px; font-weight: 600; cursor: pointer;
}
button.link { background: none; color: var(--muted); font-weight: 400; padding: .2rem .4rem; }
button:hover { filter: brightness(1.05); }

table { width: 100%; border-collapse: collapse; margin-top: .5rem; font-size: .9rem; }
th, td { text-align: left; padding: .5rem .4rem; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 500; }
code { background: var(--bg); border: 1px solid var(--line); padding: .5rem .6rem; border-radius: 8px; display: block; word-break: break-all; }
.minted { margin-top: 1rem; padding: 1rem; border: 1px solid var(--ok); border-radius: 10px; }
.pill { font-size: .75rem; padding: .1rem .5rem; border-radius: 999px; border: 1px solid var(--line); }
.sub { font-size: .8rem; color: var(--muted); margin: 1rem 0 .3rem; text-transform: uppercase; letter-spacing: .04em; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(90px, 1fr)); gap: .6rem; margin: .5rem 0; }
.stat { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: .6rem; display: grid; gap: .15rem; }
.stat .k { font-size: .72rem; color: var(--muted); } .stat .v { font-size: 1.15rem; font-weight: 700; }