/* 後台與報名頁共用樣式 (配色與網站的活動管理相同) */
:root { --navy:#1e3a8a; --blue:#2563eb; --ink:#0f172a; --muted:#64748b; --line:#e2e8f0; --bg:#f1f5f9; --card:#fff; --radius:18px; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin:0; background:var(--bg); color:var(--ink); font-family:-apple-system,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif; line-height:1.6; }
a { color:inherit; }

.topbar { background:var(--navy); color:#fff; }
.topbar .in { max-width:1080px; margin:0 auto; padding:10px 20px; display:flex; flex-wrap:wrap; align-items:center; gap:8px 18px; }
.topbar .brand { font-weight:800; text-decoration:none; color:#fff; margin-right:auto; }
.topbar nav { display:flex; flex-wrap:wrap; gap:4px 14px; font-size:14px; }
.topbar nav a { color:#c7d2fe; text-decoration:none; }
.topbar nav a.on, .topbar nav a:hover { color:#fff; }
.topbar .who { font-size:13px; color:#c7d2fe; }
.topbar .who a { color:#fff; }

.wrap { max-width:1080px; margin:0 auto; padding:0 20px 50px; }
.wrap.narrow { max-width:760px; }
.head { display:flex; flex-wrap:wrap; justify-content:space-between; align-items:center; gap:12px; padding:26px 0 10px; }
.head h1 { margin:0; font-size:26px; color:var(--navy); }
.card { background:var(--card); border-radius:var(--radius); box-shadow:0 2px 14px rgba(15,23,42,.06); padding:24px; margin-bottom:20px; }
h2 { margin:0 0 14px; font-size:19px; color:var(--navy); }
h3 { margin:22px 0 8px; font-size:16px; color:#334155; }
.muted { color:var(--muted); font-size:14px; }
.btn { display:inline-flex; align-items:center; gap:6px; padding:9px 20px; border-radius:999px; border:0; background:var(--navy); color:#fff !important; text-decoration:none; font-size:14px; font-weight:700; cursor:pointer; font-family:inherit; white-space:nowrap; }
.btn:hover { background:var(--blue); }
.btn:disabled { opacity:.55; cursor:wait; }
.btn.light { background:#fff; color:var(--navy) !important; border:1px solid var(--line); }
.btn.light:hover { border-color:var(--blue); color:var(--blue) !important; }
.btn.danger { background:#fff; color:#b91c1c !important; border:1px solid #fecaca; }
.btn.sm { padding:5px 12px; font-size:13px; }
.btn.danger-solid { background:#dc2626; }
.btn.danger-solid:hover { background:#b91c1c; }
/* 確認視窗 */
.confirm-back { position:fixed; inset:0; z-index:200; background:rgba(15,23,42,.45); display:flex; align-items:center; justify-content:center; padding:16px; }
.confirm-box { background:#fff; border-radius:16px; box-shadow:0 20px 50px rgba(15,23,42,.3); padding:22px 24px; width:100%; max-width:420px; }
.confirm-box p { margin:0 0 18px; font-size:15px; white-space:pre-line; }
.confirm-box .actions { justify-content:flex-end; }
.actions { display:flex; flex-wrap:wrap; gap:8px; align-items:center; }
.msg { margin-top:12px; padding:11px 14px; border-radius:12px; font-size:14px; font-weight:600; white-space:pre-line; }
.msg.err { background:#fef2f2; color:#b91c1c; }
.msg.ok { background:#f0fdf4; color:#166534; }
.msg.info { background:#fffbeb; color:#92400e; }
.badge { display:inline-block; padding:0 8px; border-radius:999px; font-size:12px; font-weight:700; background:#e2e8f0; color:#475569; margin-left:6px; vertical-align:2px; }
.badge.ok { background:#dcfce7; color:#166534; }
.badge.warn { background:#fef3c7; color:#92400e; }

label.f { display:block; font-size:13px; font-weight:700; color:#334155; margin-bottom:4px; }
label.f .req { color:#dc2626; margin-left:2px; }
.hint { font-size:12px; color:var(--muted); margin-top:3px; }
input, select, textarea { width:100%; padding:9px 11px; border:1px solid #cbd5e1; border-radius:10px; font-size:15px; font-family:inherit; background:#fff; color:inherit; }
textarea { min-height:90px; resize:vertical; }
input[type=checkbox], input[type=radio] { width:auto; }
.g2 { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:14px; margin-bottom:14px; }
.stack > * + * { margin-top:14px; }
.chk { display:inline-flex; align-items:center; gap:6px; font-size:14px; margin:0 16px 6px 0; cursor:pointer; }
.x { border:0; background:#fee2e2; color:#b91c1c; border-radius:8px; height:32px; cursor:pointer; font-weight:800; }
.sticky { position:sticky; bottom:0; background:rgba(241,245,249,.95); padding:12px 0; border-top:1px solid var(--line); margin-top:10px; z-index:2; }

/* 表格 */
.tbl-wrap { overflow-x:auto; border:1px solid var(--line); border-radius:12px; }
table.tbl { border-collapse:collapse; width:100%; font-size:14px; background:#fff; }
.tbl th, .tbl td { padding:8px 10px; border-bottom:1px solid var(--line); text-align:left; vertical-align:top; white-space:nowrap; }
.tbl th { background:#f8fafc; color:#475569; font-size:13px; position:sticky; top:0; }
.tbl td.wrap-text { white-space:normal; min-width:180px; }
.tbl tr:hover td { background:#f8fafc; }

@media (max-width:640px) {
  .card { padding:18px; border-radius:14px; }
  .head h1 { font-size:22px; }
}

/* 大頭照欄位 */
.photo-field { display:flex; gap:16px; align-items:center; flex-wrap:wrap; }
.photo-field .photo { width:96px; height:96px; border-radius:50%; background:#e2e8f0 center/cover no-repeat; flex-shrink:0; border:3px solid #fff; box-shadow:0 2px 10px rgba(15,23,42,.12); }
.photo-field input[type=file] { max-width:260px; }