:root {
  --green: #2f855a; --green-d: #276749; --bg: #f4f7f5; --line: #dfe6e2; --muted: #64748b;
  --red: #c53030; --amber: #b7791f; --blue: #2b6cb0;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: #1f2933;
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif; }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }
header { background: #fff; border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.head { display: flex; align-items: center; justify-content: space-between; padding-top: 12px; padding-bottom: 12px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand strong { display: block; font-size: 18px; }
.brand small { color: var(--muted); }
.mark { width: 40px; height: 40px; border-radius: 10px; background: var(--green); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 20px; }
h1 { font-size: 22px; margin: 4px 0 8px; }
h2 { font-size: 18px; margin: 0 0 10px; }
.card { background: #fff; border-radius: 14px; padding: 20px; margin-bottom: 16px; box-shadow: 0 1px 3px rgb(0 0 0 / .06); }
.narrow { max-width: 460px; margin: 40px auto; }
.muted { color: var(--muted); }
.center { text-align: center; }
form { display: flex; gap: 8px; margin: 16px 0 8px; }
#code { flex: 1; font-size: 22px; letter-spacing: 2px; text-transform: uppercase; padding: 10px 12px; border: 2px solid var(--line); border-radius: 10px; font-family: ui-monospace, Menlo, Consolas, monospace; min-width: 0; }
#code:focus { outline: none; border-color: var(--green); }
button { font: inherit; cursor: pointer; border-radius: 10px; padding: 10px 18px; border: 1px solid var(--line); background: #fff; }
button.primary { background: var(--green); border-color: var(--green); color: #fff; font-weight: 600; }
button.primary:hover { background: var(--green-d); }
button.ghost { background: transparent; }
button.danger { color: var(--red); }
button:disabled { opacity: .45; cursor: default; }
.error { color: var(--red); }
.privacy { margin-top: 20px; padding: 12px 14px; background: #f0fff4; border: 1px solid #c6f6d5; border-radius: 10px; font-size: 14px; color: #22543d; }
.privacy strong { display: block; margin-bottom: 4px; }
.whoami { margin-bottom: 12px; color: var(--muted); }
.list { display: flex; flex-direction: column; gap: 12px; }
.camp { display: flex; justify-content: space-between; align-items: center; gap: 12px; cursor: pointer; transition: transform .1s; }
.camp:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgb(0 0 0 / .08); }
.camp h2 { margin: 6px 0 2px; }
.tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag { font-size: 13px; padding: 2px 10px; border-radius: 20px; background: #edf2f7; color: #4a5568; }
.tag.club { background: #ebf8ff; color: var(--blue); }
.tag.care { background: #fef5e7; color: var(--amber); }
.tag.vacation { background: #faf5ff; color: #6b46c1; }
.tag.open { background: #c6f6d5; color: #22543d; }
.tag.closed, .tag.upcoming { background: #edf2f7; color: #4a5568; }
.tag.published { background: #fed7d7; color: #9b2c2c; }
.rule { background: #fffbea; border-left: 4px solid #ecc94b; padding: 8px 12px; border-radius: 6px; margin: 10px 0; }
.desc { white-space: pre-line; margin: 0; }
.section-title { margin: 24px 0 10px; }
.items { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 12px; }
.item { background: #fff; border: 2px solid transparent; border-radius: 14px; padding: 16px; cursor: pointer; display: flex; flex-direction: column; gap: 6px; box-shadow: 0 1px 3px rgb(0 0 0 / .06); }
.item:hover { border-color: #c6f6d5; }
.item.selected { border-color: var(--green); background: #f0fff4; }
.item.disabled { opacity: .5; cursor: not-allowed; }
.item .name { font-weight: 700; font-size: 17px; display: flex; justify-content: space-between; gap: 8px; }
.item .check { width: 24px; height: 24px; border-radius: 50%; border: 2px solid var(--line); flex: none; display: grid; place-items: center; font-size: 13px; color: #fff; }
.item.selected .check { background: var(--green); border-color: var(--green); }
.item .info { white-space: pre-line; font-size: 14px; color: #4a5568; }
.item .meta { font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 4px 12px; }
.bar { height: 6px; background: #edf2f7; border-radius: 3px; overflow: hidden; }
.bar > div { height: 100%; background: var(--green); }
.bar.full > div { background: var(--red); }
#selectedList { margin: 0 0 12px; padding-left: 0; list-style: none; display: flex; flex-direction: column; gap: 6px; }
#selectedList li { display: flex; align-items: center; gap: 8px; padding: 8px 10px; background: #f7fafc; border-radius: 8px; }
#selectedList .no { width: 26px; height: 26px; border-radius: 50%; background: var(--green); color: #fff; display: grid; place-items: center; font-size: 13px; flex: none; }
#selectedList .grow { flex: 1; }
#selectedList .pos { font-size: 13px; color: var(--muted); }
#selectedList button { padding: 2px 8px; font-size: 13px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
#saveMsg { margin: 10px 0 0; }
#saveMsg.ok { color: var(--green-d); }
#saveMsg.err { color: var(--red); }
.result { border: 2px solid #fbb6ce; }
#resultList { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
#resultList li { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px; border-radius: 8px; background: #f7fafc; }
.badge { font-weight: 700; padding: 2px 12px; border-radius: 20px; font-size: 14px; }
.badge.admitted { background: #c6f6d5; color: #22543d; }
.badge.waitlist { background: #fefcbf; color: #744210; }
.badge.other { background: #e2e8f0; color: #4a5568; }
footer { padding: 30px 16px; font-size: 13px; }