:root {
  --ink: #1e293b;
  --soft: #526074;
  --paper: #f3efe6;
  --dim: #e7e1d4;
  --card: #fffdf8;
  --line: #e0d6c6;
  --signal: #f08c28;
  --deep: #9a3d0c;
  --ok: #146c43;
  --ok-bg: #e5f4ec;
  --danger: #9f1c1c;
  --danger-bg: #fde8e6;
  font-family: "IBM Plex Sans", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
}
* { box-sizing: border-box; }
body { margin: 0; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.top { display: flex; gap: 12px; align-items: center; padding: 14px 16px; background: var(--ink); color: #fffdf8; position: sticky; top: 0; z-index: 5; }
.top img { width: 42px; height: 42px; object-fit: cover; border-radius: 50%; background: transparent; }
.top strong { display: block; font-size: 18px; }
.top span { color: #f0c39a; font-size: 13px; }
main { max-width: 880px; margin: 0 auto; padding: 16px 16px 48px; display: flex; flex-direction: column; gap: 14px; }
h1 { font-size: 26px; margin: 0; }
h2 { font-size: 18px; margin: 0 0 8px; }
p { margin: 0; line-height: 1.6; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 14px; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--soft); }
input, select, textarea { border: 1px solid var(--line); background: white; color: var(--ink); border-radius: 12px; min-height: 46px; padding: 8px 12px; }
textarea { min-height: 72px; }
.grid { display: grid; gap: 10px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 10px; }
.stat b { display: block; font-size: 28px; }
.btn { border: 0; border-radius: 14px; min-height: 48px; padding: 0 16px; background: var(--ink); color: #fffdf8; font-weight: 700; }
.btn.signal { background: var(--signal); color: var(--ink); }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.big { min-height: 92px; font-size: 28px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; }
.note { color: var(--soft); font-size: 14px; }
.warn { background: #fff3e0; color: var(--deep); border-radius: 12px; padding: 10px 12px; }
.bad { background: var(--danger-bg); color: var(--danger); border-radius: 12px; padding: 10px 12px; }
.ok { color: var(--ok); }
.person { border: 1px solid var(--line); border-radius: 12px; padding: 10px; background: var(--paper); }
.person img, .shot { width: 100%; border-radius: 10px; background: var(--ink); max-height: 240px; object-fit: contain; }
.tag { border-radius: 999px; padding: 2px 8px; font-size: 12px; background: var(--dim); }
.tag.ok { background: var(--ok-bg); color: var(--ok); }
.tag.bad { background: var(--danger-bg); color: var(--danger); }
.qr { width: 180px; height: 180px; background: white; border-radius: 12px; }
.invite-box { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.invite-link { color: var(--deep); font-weight: 700; word-break: break-all; text-decoration: underline; cursor: pointer; }
.btn.line { background: #06c755; color: white; }
.tabs { display: flex; gap: 8px; }
.tabs button[aria-pressed="true"] { background: var(--ink); color: white; }
@media (max-width: 640px) { .stats { grid-template-columns: repeat(2, 1fr); } }