:root {
  color-scheme: light dark;
  --fg: #111;
  --bg: #fff;
  --muted: #888;
  --border: #e5e5e5;
  --chip-bg: #f0f0f0;
  --accent: #111;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang TC', 'Microsoft JhengHei', sans-serif;
  background: var(--bg);
  color: var(--fg);
}

#app { max-width: 480px; margin: 0 auto; padding: 16px; }
.hidden { display: none !important; }
h1 { font-size: 22px; text-align: center; margin: 16px 0 4px; }
.subtitle { text-align: center; color: var(--muted); font-size: 14px; margin-bottom: 20px; }

.persona-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.persona-button {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 8px;
  text-align: center;
  font-size: 16px;
  background: var(--bg);
  color: var(--fg);
  cursor: pointer;
}
.persona-button .emoji { font-size: 28px; display: block; margin-bottom: 6px; }

.back-button {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 14px;
  padding: 8px 0;
  cursor: pointer;
}

#cuisine-search {
  width: 100%;
  padding: 10px 14px;
  border-radius: 20px;
  border: 1px solid var(--border);
  font-size: 15px;
  margin-bottom: 10px;
  background: var(--bg);
  color: var(--fg);
}

.chip-row { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 8px; margin-bottom: 6px; }
.chip {
  flex: 0 0 auto;
  border-radius: 16px;
  padding: 6px 14px;
  font-size: 13px;
  background: var(--chip-bg);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  color: var(--fg);
}
.chip.selected { background: var(--accent); color: var(--bg); }

.card-list { margin-top: 12px; }
.card { border: 1px solid var(--border); border-radius: 16px; overflow: hidden; margin-bottom: 14px; }
.card img { width: 100%; height: 130px; object-fit: cover; display: block; background: var(--chip-bg); }
.card-body { padding: 12px; }
.card-name { font-weight: 700; font-size: 16px; }
.card-meta { color: var(--muted); font-size: 12px; margin: 4px 0 10px; }
.card-actions { display: flex; gap: 8px; }
.card-actions a { flex: 1; text-align: center; border-radius: 10px; padding: 10px 0; font-size: 14px; text-decoration: none; }
.card-actions .nav-button { background: var(--accent); color: var(--bg); }
.card-actions .call-button { background: var(--chip-bg); color: var(--fg); }
.empty-state { text-align: center; color: var(--muted); margin-top: 40px; }

@media (prefers-color-scheme: dark) {
  :root { --fg: #f2f2f2; --bg: #111; --muted: #999; --border: #333; --chip-bg: #222; --accent: #f2f2f2; }
}