:root {
  color-scheme: dark;
  --bg: #0d1117;
  --panel: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --ok: #3fb950;
  --warn: #d29922;
  --danger: #f85149;
  --pro: #a371f7;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", system-ui, sans-serif;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, #1f6feb33, transparent),
    var(--bg);
  color: var(--text);
}

a { color: var(--accent); }

code {
  font-family: ui-monospace, Consolas, monospace;
  color: #7ee787;
  font-size: 0.92em;
}

.wrap {
  width: min(40rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.hero { margin-bottom: 1.25rem; }
.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--muted);
}
.hero h1 { margin: 0.25rem 0 0.5rem; font-size: 1.75rem; }
.lede { margin: 0; color: var(--muted); line-height: 1.5; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.15rem 1.25rem;
  margin-bottom: 1rem;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.panel h2 {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
}

.panel-head h2 { margin: 0; }

.muted { color: var(--muted); line-height: 1.45; }

.gate h1 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
}
.gate .muted { margin: 0 0 1rem; }

.stack { display: grid; gap: 0.75rem; }
.row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.hidden { display: none !important; }

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: #21262d;
  color: var(--text);
  border-radius: 8px;
  padding: 0.55rem 0.9rem;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn:hover { border-color: #8b949e; }
.btn.primary {
  background: #238636;
  border-color: #2ea043;
}
.btn.primary:hover { background: #2ea043; }
.btn.ghost { background: transparent; }

.badge {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
}
.badge-muted { color: var(--muted); }
.badge-free { color: var(--warn); border-color: #9e6a03; }
.badge-pro { color: #d2a8ff; border-color: var(--pro); background: #a371f722; }

.meta {
  display: grid;
  gap: 0.55rem;
  margin: 0;
}
.meta > div {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 0.5rem;
  align-items: baseline;
}
.meta dt { margin: 0; color: var(--muted); font-size: 0.85rem; }
.meta dd { margin: 0; }

.features {
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  font-size: 0.92rem;
  color: var(--muted);
}
.features ul { margin: 0.35rem 0 0; padding-left: 1.1rem; }

.plans {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr 1fr;
}
@media (max-width: 560px) {
  .plans { grid-template-columns: 1fr; }
}

.plan {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem;
}
.plan h3 { margin: 0 0 0.5rem; font-size: 1rem; }
.plan ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--muted);
}
.form input {
  width: 100%;
  border: 1px solid var(--border);
  background: #0d1117;
  color: var(--text);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  font: inherit;
}
.form input:focus {
  outline: 2px solid #1f6feb66;
  border-color: var(--accent);
}

.result {
  margin: 0.85rem 0 0;
  padding: 0.75rem;
  background: #0d1117;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: auto;
  font-size: 0.82rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.error { color: var(--danger); margin: 0.5rem 0 0; }