:root {
  --bg: #fafaf9; --fg: #1c1917; --muted: #57534e; --card: #ffffff;
  --border: #d6d3d1; --accent: #0f766e; --accent-fg: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1c1917; --fg: #f5f5f4; --muted: #a8a29e; --card: #292524;
    --border: #44403c; --accent: #2dd4bf; --accent-fg: #042f2e;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, sans-serif; }
main { max-width: 560px; margin: 0 auto; padding: 24px 16px 8px; }
h1 { font-size: 26px; line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 18px; margin: 28px 0 8px; }
.lead { color: var(--muted); margin: 0 0 20px; }
label { display: block; margin: 12px 0 4px; font-weight: 600; }
input {
  width: 100%; padding: 12px; font: inherit; color: var(--fg); background: var(--card);
  border: 1px solid var(--border); border-radius: 8px;
}
button {
  width: 100%; margin-top: 16px; padding: 14px; border: 0; border-radius: 8px;
  background: var(--accent); color: var(--accent-fg); font: inherit; font-weight: 700; cursor: pointer;
}
#tiles { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
#tiles a {
  display: block; padding: 14px; background: var(--card); border: 1px solid var(--border);
  border-radius: 8px; color: inherit; text-decoration: none;
}
#tiles a:hover, #tiles a:focus-visible { border-color: var(--accent); }
#tiles span { display: block; color: var(--muted); font-size: 14px; }
.note { color: var(--muted); font-size: 14px; }
.members, .safety { padding-top: 4px; }
a { color: var(--accent); }
.bullets { padding-left: 20px; }
footer { max-width: 560px; margin: 0 auto; padding: 16px; color: var(--muted); font-size: 13px; }

/* preview page */
.banner { margin: 0; padding: 8px 16px; background: #b45309; color: #fff; text-align: center; font-size: 14px; font-weight: 600; }
select { width: 100%; padding: 12px; font: inherit; color: var(--fg); background: var(--card); border: 1px solid var(--border); border-radius: 8px; }
#cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.card { display: grid; grid-template-columns: 96px 1fr; gap: 12px; padding: 12px; background: var(--card); border: 1px solid var(--border); border-radius: 8px; }
.card span, .card a { display: block; font-size: 14px; }
.card span { color: var(--muted); }
.card .ok { color: var(--accent); }
.photo { display: grid; place-items: center; min-height: 80px; border-radius: 6px; background: var(--border); color: var(--muted); font-size: 13px; }
.lock { margin-top: 12px; padding: 16px; text-align: center; border: 2px dashed var(--border); border-radius: 8px; }
.lock p { margin: 0 0 4px; font-weight: 600; }