:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1f232c;
  --text: #e7e9ee;
  --muted: #a2a8b4;
  --border: #2a2f3a;
  --old: #d0596a;
  --old-deep: #a62b37;
  --new: #46c082;
  --new-deep: #1e7a46;
  --accent: #6ea8fe;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html { color-scheme: dark; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #1a1f2b 0%, var(--bg) 60%);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
}

.wrap { max-width: 820px; margin: 0 auto; padding: 32px 20px 64px; }
a { color: var(--accent); }

.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 4px 12px; border-radius: 999px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.3px; text-transform: uppercase;
  border: 1px solid var(--border);
}
body[data-role="old"] .badge { color: var(--old); border-color: var(--old-deep); background: rgba(166, 43, 55, 0.12); }
body[data-role="new"] .badge { color: var(--new); border-color: var(--new-deep); background: rgba(30, 122, 70, 0.12); }

header.hero { display: flex; align-items: center; gap: 18px; margin-bottom: 8px; }
header.hero img { width: 72px; height: 72px; border-radius: 18px; box-shadow: var(--shadow); }
header.hero h1 { margin: 0; font-size: 26px; line-height: 1.2; }
header.hero .sub { color: var(--muted); margin-top: 2px; font-size: 14px; }

.panel {
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 20px; margin: 18px 0; box-shadow: var(--shadow);
}
.panel h2 { margin: 0 0 10px; font-size: 16px; }

#status {
  font-weight: 600; padding: 12px 14px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--panel-2);
}
#status[data-kind="installable"] { border-color: var(--accent); color: #cfe0ff; }
#status[data-kind="installed"], #status[data-kind="running"] { border-color: var(--new-deep); color: #c8f2da; }
#status[data-kind="idle"] { color: var(--muted); }

button.install {
  margin-top: 12px; appearance: none; border: 0; cursor: pointer; font: inherit; font-weight: 700;
  color: #0b0d11; background: var(--accent); padding: 10px 18px; border-radius: 10px;
  transition: transform 0.05s ease, filter 0.15s ease;
}
button.install:hover { filter: brightness(1.08); }
button.install:active { transform: translateY(1px); }

dl.kv { margin: 0; display: grid; grid-template-columns: 170px 1fr; gap: 6px 14px; }
dl.kv dt { color: var(--muted); font-size: 13px; }
dl.kv dd { margin: 0; font-size: 13px; word-break: break-all; }

code, .mono { font-family: "Cascadia Code", "Consolas", ui-monospace, monospace; }
.mono { background: rgba(255,255,255,0.05); padding: 1px 6px; border-radius: 6px; }

ol.steps { margin: 6px 0 0; padding-left: 20px; }
ol.steps li { margin: 6px 0; }

.pill-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.pill-row a { text-decoration: none; border: 1px solid var(--border); padding: 8px 14px; border-radius: 10px; background: var(--panel-2); color: var(--text); font-size: 14px; }
.pill-row a:hover { border-color: var(--accent); }

footer { color: var(--muted); font-size: 13px; margin-top: 28px; text-align: center; }

.card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .card-grid { grid-template-columns: 1fr; } dl.kv { grid-template-columns: 1fr; } }
.card { display: block; text-decoration: none; color: inherit; border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; background: var(--panel); transition: border-color 0.15s ease; }
.card:hover { border-color: var(--accent); }
.card .role { font-weight: 700; letter-spacing: 0.4px; }
.card.old .role { color: var(--old); }
.card.new .role { color: var(--new); }
.card .path { color: var(--muted); font-size: 13px; margin-top: 4px; }