:root {
  --bg: #f4f5f7; --card: #fff; --text: #1f2328; --muted: #656d76; --line: #d0d7de;
  --primary: #1f6feb; --primary-text: #fff; --danger: #cf222e;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font-family: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", sans-serif; font-size: 15px; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 10px 20px; background: #24292f; color: #fff; }
.topbar .brand { color: #fff; font-weight: 700; font-size: 18px; }
.topbar nav { display: flex; align-items: center; gap: 16px; }
.topbar nav a { color: #e6edf3; }
main { max-width: 1500px; margin: 0 auto; padding: 16px; }

.btn { display: inline-block; padding: 7px 14px; border: 1px solid var(--line); border-radius: 6px;
  background: #fff; color: var(--text); cursor: pointer; font: inherit; line-height: 1.3; }
.btn:hover { text-decoration: none; background: #f3f4f6; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }
.btn.primary:hover { background: #1a5fd0; }
.btn.danger { color: var(--danger); border-color: var(--danger); }
.topbar .btn.primary { color: #fff; }

.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin: 6px 0 14px; }
.toolbar h2 { margin: 0; font-size: 20px; }
.toolbar.bottom { margin-top: 16px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.saved { color: #1a7f37; font-weight: 600; }

.search { display: flex; gap: 8px; }
.search input { width: 340px; max-width: 60vw; }

input { font: inherit; padding: 6px 8px; border: 1px solid var(--line); border-radius: 5px; width: 100%; background: #fff; }
input:focus { outline: 2px solid #80b3ff; border-color: var(--primary); }
input[readonly] { background: #f6f8fa; }
input.num { text-align: right; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 12px 16px 16px; margin: 0 0 14px; }
.card legend { font-weight: 700; padding: 0 6px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px 16px; }
.grid3 label { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: 13px; }
.grid3 .span2 { grid-column: span 2; }

.table-wrap { overflow-x: auto; }
table.list { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); }
table.list th, table.list td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
table.list th { background: #f6f8fa; font-size: 13px; color: var(--muted); }
table.list .r { text-align: right; }
table.list .ops a { margin-right: 10px; }
table.list .empty { text-align: center; color: var(--muted); padding: 30px; }

table.items { border-collapse: collapse; }
table.items th { font-size: 12px; color: var(--muted); font-weight: 600; padding: 4px; white-space: nowrap; text-align: left; }
table.items td { padding: 3px; }
table.items .idx { color: var(--muted); text-align: center; }
table.items input { padding: 5px 6px; font-size: 14px; }
.w-s { min-width: 90px; } .w-m { min-width: 130px; } .w-l { min-width: 170px; }

.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { background: #fff; padding: 32px; border-radius: 10px; border: 1px solid var(--line);
  width: 340px; max-width: calc(100vw - 32px); display: flex; flex-direction: column; gap: 10px; }
.login-card h1 { margin: 0 0 8px; font-size: 20px; text-align: center; }
.login-logo { width: 160px; align-self: center; }
.login-card .error { color: var(--danger); margin: 0; }

@media (max-width: 800px) {
  .grid3 { grid-template-columns: 1fr; }
  .grid3 .span2 { grid-column: auto; }
}