:root {
  --bg: #f6f4f1; --card: #fff; --text: #1f1d1a; --muted: #6b665f; --line: #e4dfd8;
  --accent: #c2410c; --accent-text: #fff; --ok-bg: #e7f5ea; --ok: #1f6b33; --err-bg: #fdeaea; --err: #a12020;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171614; --card: #22201d; --text: #f1eee9; --muted: #a39e96; --line: #38342f;
    --accent: #f97316; --accent-text: #1a1a1a; --ok-bg: #1c3323; --ok: #8fe0a5; --err-bg: #3a1d1d; --err: #ff9c9c;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); }
main { max-width: 960px; margin: 0 auto; padding: 16px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--card); flex-wrap: wrap; }
.topbar nav { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.brand { font-weight: 700; text-decoration: none; color: var(--text); font-size: 1.1rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; margin-bottom: 16px; }
.narrow { max-width: 440px; margin: 32px auto; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.grid .card { margin-bottom: 0; }
.grid + .card, .grid + form { margin-top: 16px; }
.hero { text-align: center; padding: 48px 8px; max-width: 640px; margin: 0 auto; }
h1 { font-size: 1.5rem; margin: 0 0 12px; }
h2 { font-size: 1.2rem; margin: 20px 0 10px; }
.card > h2:first-child { margin-top: 0; }
h3 { font-size: 1rem; margin: 18px 0 8px; }
label { display: block; margin-bottom: 12px; font-weight: 500; }
input, textarea { display: block; width: 100%; margin-top: 4px; padding: 9px 11px; font: inherit; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); }
textarea { resize: vertical; }
button, .button { display: inline-block; padding: 9px 16px; font: inherit; font-weight: 600; border: 0; border-radius: 8px; background: var(--accent); color: var(--accent-text); cursor: pointer; text-decoration: none; }
button.secondary, .button.secondary { background: transparent; color: var(--text); border: 1px solid var(--line); }
button.danger { background: var(--err); color: #fff; margin-top: 12px; }
button.link { background: none; border: 0; padding: 0; color: var(--accent); font-weight: 500; text-decoration: underline; }
.small { font-size: 0.875rem; padding: 6px 12px; }
button.link.small { padding: 0; }
form.inline { display: inline; }
.row { display: flex; gap: 8px; }
.row input { margin-top: 0; flex: 1; min-width: 0; }
.muted { color: var(--muted); font-weight: 400; }
.note { background: var(--bg); border-left: 3px solid var(--accent); padding: 8px 12px; border-radius: 4px; }
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; }
.flash.success { background: var(--ok-bg); color: var(--ok); }
.flash.error { background: var(--err-bg); color: var(--err); }
.lists, .members, .items { list-style: none; padding: 0; margin: 0; }
.lists li, .members li { align-items: center; padding: 8px 0; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.item { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.item-main { flex: 1; min-width: 200px; }
.item-main > * { margin-right: 8px; }
.item-actions { display: flex; align-items: center; gap: 8px; }
.item.bought .item-main strong { text-decoration: line-through; color: var(--muted); }
.price { color: var(--muted); }
.tag { font-size: 0.85rem; background: var(--ok-bg); color: var(--ok); padding: 3px 10px; border-radius: 999px; }
.copy { font-family: ui-monospace, monospace; font-size: 0.85rem; margin-bottom: 8px; }
.button.google { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; background: var(--card); color: var(--text); border: 1px solid var(--line); }
.g-logo { width: 18px; height: 18px; vertical-align: -3px; }
.divider { display: flex; align-items: center; gap: 12px; margin: 16px 0; color: var(--muted); font-size: 0.875rem; }
.divider::before, .divider::after { content: ""; flex: 1; border-top: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 8px; }
.install-help { max-width: 360px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); color: var(--text); padding: 20px; }
.install-help::backdrop { background: rgb(0 0 0 / 0.4); }
.install-help h2 { margin-top: 0; }
.install-help ol { padding-left: 20px; }
[hidden] { display: none !important; }
.row .button { display: inline-flex; align-items: center; }
.site-footer { max-width: 960px; margin: 0 auto; padding: 8px 16px 24px; color: var(--muted); font-size: 0.8rem; text-align: center; }