:root {
  --bg: #ffffff;
  --fg: #1f1f1f;
  --muted: #5f6368;
  --line: #e5e7eb;
  --soft: #f4f6f8;
  --card: #ffffff;
  --accent: #1a73e8;
  --accent-fg: #ffffff;
  --warn: #e8710a;
  --danger: #d93025;
  --ok: #188038;
  --maybe: #9334e6;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #17181a;
    --fg: #e8eaed;
    --muted: #9aa0a6;
    --line: #303134;
    --soft: #202124;
    --card: #1f2023;
    --accent: #8ab4f8;
    --accent-fg: #17181a;
    --warn: #fbbc77;
    --danger: #f28b82;
    --ok: #81c995;
    --maybe: #d7aefb;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", "Hiragino Sans", "Microsoft YaHei", sans-serif;
}
a { color: var(--accent); }
img { max-width: 100%; display: block; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }

header.top { border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; gap: 12px; height: 60px; }
.brand { display: flex; align-items: center; gap: 8px; color: var(--fg); text-decoration: none; font-weight: 800; font-size: 18px; }
.brand img { width: 28px; height: 28px; border-radius: 6px; }
.brand small { font-weight: 600; color: var(--muted); font-size: 13px; }
.spacer { flex: 1; }
.top a.link { color: var(--muted); text-decoration: none; font-size: 14px; }
.top a.link:hover { color: var(--fg); }
select.lang {
  font: inherit; font-size: 14px; color: var(--fg); background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px; padding: 4px 8px;
}

.hero { padding: 72px 0 40px; text-align: center; }
.hero h1 { margin: 0 0 16px; font-size: clamp(30px, 6vw, 52px); line-height: 1.2; letter-spacing: -0.02em; }
.hero p { margin: 0 auto; max-width: 640px; color: var(--muted); font-size: 18px; }
.cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 32px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 10px;
  font-weight: 700; text-decoration: none; border: 1px solid transparent;
}
.btn.primary { background: var(--accent); color: var(--accent-fg); }
.btn.primary[aria-disabled="true"] { opacity: .55; cursor: default; }
.btn.ghost { border-color: var(--line); color: var(--fg); background: var(--card); }

.shots { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: start; padding: 24px 0 8px; }
.shots figure { margin: 0; }
.shots img { border-radius: 14px; border: 1px solid var(--line); background: #fff; }
.shots figcaption { margin-top: 10px; text-align: center; font-size: 14px; color: var(--muted); font-weight: 600; }
.note { text-align: center; color: var(--muted); font-size: 13px; margin: 8px 0 0; }

section { padding: 56px 0; }
section h2 { margin: 0 0 24px; font-size: 28px; letter-spacing: -0.01em; }
.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.feature { background: var(--soft); border-radius: 14px; padding: 20px; }
.feature h3 { margin: 0 0 6px; font-size: 17px; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }
.feature .dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 8px; vertical-align: 1px; }

.privacy { background: var(--soft); }
.privacy ul { margin: 0 0 16px; padding-left: 20px; }
.privacy li { margin: 6px 0; }

footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; }
footer a { color: var(--muted); }

/* Policy page */
.doc { max-width: 760px; padding: 48px 20px 64px; margin: 0 auto; }
.doc h1 { font-size: 30px; margin: 0 0 6px; line-height: 1.3; }
.doc .meta { color: var(--muted); margin: 0 0 28px; font-size: 14px; }
.doc h2 { font-size: 21px; margin: 40px 0 12px; }
.doc h3 { font-size: 17px; margin: 24px 0 8px; }
.doc table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 12px 0; display: block; overflow-x: auto; }
.doc th, .doc td { border: 1px solid var(--line); padding: 8px 10px; vertical-align: top; text-align: left; }
.doc th { background: var(--soft); white-space: nowrap; }
.doc code { background: var(--soft); padding: 1px 5px; border-radius: 4px; font-size: .92em; }
.doc .todo { color: var(--danger); font-weight: 700; }
.doc .lead { background: var(--soft); border-radius: 12px; padding: 16px 18px; }

@media (max-width: 760px) {
  .shots, .features { grid-template-columns: minmax(0, 1fr); }
  .shots { max-width: 420px; margin: 0 auto; }
  .hero { padding: 48px 0 24px; }
  .top a.link.gh { display: none; }
  .top a.link[href="/privacy"] { display: none; }
}

/* Account page */
.account { padding: 32px 20px 56px; min-height: 60vh; }
.msg { min-height: 1.4em; margin: 0 0 12px; color: var(--danger); font-weight: 600; }
.card { background: var(--soft); border-radius: 16px; padding: 28px; max-width: 640px; margin: 0 auto; }
.card.center { text-align: center; }
.card h1 { margin: 0 0 12px; font-size: 26px; }
.card h2 { margin: 0 0 8px; font-size: 21px; }
.card .btn { margin: 12px 0; }
.meta { color: var(--muted); }
.small { font-size: 13px; }
.bad { color: var(--danger); font-weight: 600; min-height: 1.2em; margin: 8px 0 0; }
button.btn { font: inherit; font-weight: 700; cursor: pointer; }
button.btn:disabled { opacity: .55; cursor: default; }
.btn.small { padding: 6px 12px; font-size: 13px; }
.btn.danger { color: var(--danger); }
.btn.danger-fill { background: var(--danger); color: #fff; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.row.end { justify-content: flex-end; }
.row input, .row select {
  font: inherit; color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 9px 12px;
}
.row input { flex: 1; min-width: 0; }
#keyInput { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .04em; }

.app-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 16px; }
.tabs { display: inline-flex; background: var(--soft); border-radius: 12px; padding: 4px; }
.tab { font: inherit; font-weight: 700; border: 0; background: none; color: var(--muted); padding: 8px 18px; border-radius: 9px; cursor: pointer; }
.tab[aria-selected="true"] { background: var(--card); color: var(--fg); box-shadow: 0 1px 3px rgba(0,0,0,.12); }
.panel .row { margin-bottom: 12px; }

ul.items { list-style: none; margin: 0; padding: 0; }
ul.items li { display: flex; gap: 12px; align-items: flex-start; padding: 12px 0; border-top: 1px solid var(--line); }
ul.items li.empty { color: var(--muted); justify-content: center; }
ul.items li.disposed .name { text-decoration: line-through; color: var(--muted); }
ul.items img, ul.items .ph { width: 56px; height: 56px; border-radius: 10px; object-fit: cover; background: var(--soft); flex: none; }
ul.items .info { min-width: 0; flex: 1; }
ul.items .name { font-weight: 700; overflow-wrap: anywhere; }
ul.items .name a { color: var(--fg); text-decoration: none; }
ul.items .name a:hover { text-decoration: underline; }
ul.items .meta { font-size: 13px; }
.tag { display: inline-block; margin-left: 4px; padding: 0 8px; border-radius: 999px; font-size: 12px; font-weight: 800; background: var(--soft); color: var(--muted); vertical-align: 1px; }
.tag.mine { color: var(--danger); }
.tag.gift { color: var(--accent); }
.tag.cand { color: var(--maybe); }
.ov { font-size: 13px; font-weight: 700; margin-top: 2px; }
.ov.ok { color: var(--ok); }
.ov.mid { color: var(--warn); }
.ov.hi { color: var(--danger); }

.rec-group { padding: 16px 0; border-top: 1px solid var(--line); }
.rec-group h3 { margin: 0; font-size: 16px; }
.rec-group ul { margin: 8px 0 0; padding-left: 18px; }
.rec-group li { margin: 4px 0; }
.rec-group .cat { margin-left: 8px; color: var(--muted); font-size: 13px; }
#recs .empty { color: var(--muted); text-align: center; padding: 32px 0; }

.account-foot { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; margin-top: 28px; }
dialog.ask { border: 0; border-top: 4px solid var(--danger); border-radius: 14px; padding: 20px; max-width: 360px; background: var(--card); color: var(--fg); }
dialog.ask::backdrop { background: rgba(0,0,0,.35); }

/* Policy in four languages: without script, the visitor's region decides (Korean otherwise). */
article.policy { display: none; }
article.policy:not([hidden]) { display: block; }
html:not([data-default-lang]) article.policy[data-lang="ko"],
html[data-default-lang="ko"] article.policy[data-lang="ko"],
html[data-default-lang="en"] article.policy[data-lang="en"],
html[data-default-lang="ja"] article.policy[data-lang="ja"],
html[data-default-lang="zh"] article.policy[data-lang="zh"] { display: block; }
article.policy[hidden] { display: none !important; }
.note-lang { background: var(--soft); border-left: 3px solid var(--warn); padding: 8px 12px; border-radius: 6px; font-size: 14px; color: var(--muted); }