/* 共用樣式：手機優先，寬螢幕放大。綠色主色對應 logo。 */
:root {
  --green: #1f8a4c; --green-d: #166b3a; --bg: #f5f7f5; --card: #fff;
  --text: #222; --muted: #666; --line: #d9dfdb; --danger: #c0392b;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.5 system-ui, "Microsoft JhengHei", "PingFang TC", "Noto Sans TC", sans-serif; }
a { color: var(--green-d); }
.wrap { max-width: 1100px; margin: 0 auto; padding: 16px; }
.narrow { max-width: 420px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin-bottom: 16px; }

#nav { background: var(--card); border-bottom: 1px solid var(--line); padding: 8px 16px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; }
#nav .brand { display: flex; align-items: center; gap: 8px; font-weight: 700; text-decoration: none; color: var(--green-d); }
#nav .brand img { height: 28px; }
#nav .links { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 12px; }
#nav .links a { text-decoration: none; padding: 4px 2px; }
#nav .links a.on { font-weight: 700; border-bottom: 2px solid var(--green); }
#nav .me { color: var(--muted); font-size: 14px; }

label { display: block; font-size: 14px; color: var(--muted); margin: 8px 0 2px; }
input, select, textarea { width: 100%; padding: 10px; font: inherit; border: 1px solid var(--line);
  border-radius: 6px; background: #fff; }
textarea { min-height: 80px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--green); border-color: transparent; }

.btn { display: inline-block; padding: 10px 16px; font: inherit; border: 1px solid var(--green);
  background: var(--green); color: #fff; border-radius: 6px; cursor: pointer; text-decoration: none; }
.btn.ghost { background: #fff; color: var(--green-d); }
.btn.danger { background: var(--danger); border-color: var(--danger); }
.btn.small { padding: 4px 10px; font-size: 14px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.grid2 { display: grid; grid-template-columns: 1fr; gap: 0 16px; }
@media (min-width: 720px) { .grid2 { grid-template-columns: 1fr 1fr; } }

table.list { width: 100%; border-collapse: collapse; background: var(--card); }
table.list th, table.list td { border-bottom: 1px solid var(--line); padding: 8px; text-align: left; vertical-align: top; }
.num { text-align: right; }
.muted { color: var(--muted); }
.hidden { display: none !important; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: #333; color: #fff;
  padding: 10px 18px; border-radius: 6px; z-index: 999; }
.toast.err { background: var(--danger); }

/* 手機：表格改卡片式，td 用 data-label 顯示欄名 */
@media (max-width: 719px) {
  table.list thead { display: none; }
  table.list tr { display: block; border-bottom: 2px solid var(--line); padding: 4px 0; }
  table.list td { display: flex; justify-content: space-between; gap: 12px; border: 0; padding: 4px 8px; }
  table.list td::before { content: attr(data-label); color: var(--muted); flex: none; }
}