:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --line: #e2e5ea;
  --text: #1f2328;
  --muted: #6b7280;
  --accent: #2563eb;
  --ok: #16a34a;
  --warn: #b45309;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}
a { color: var(--accent); }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 14px; background: #fff; border-bottom: 1px solid var(--line); }
.topbar nav { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.topbar form { margin: 0; }
.brand { font-weight: 600; }
main { padding: 14px; max-width: 1100px; margin: 0 auto; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin: 10px 0; overflow-wrap: anywhere; }
.login-card { max-width: 420px; margin: 8vh auto; }
.full { width: 100%; }
.sticky { position: sticky; top: 0; z-index: 10; background: var(--bg); padding: 10px 0; }
.progress-bar { height: 8px; background: #e5e7eb; border-radius: 999px; overflow: hidden; margin-top: 6px; }
.progress-bar span { display: block; height: 100%; background: var(--ok); transition: width .2s; }
.card-head { display: flex; flex-direction: column; gap: 6px; }
.card-head label { display: flex; align-items: center; gap: 10px; font-weight: 600; min-height: 44px; cursor: pointer; }
.card-head input[type=checkbox] { width: 22px; height: 22px; flex: none; }
.badges { display: flex; gap: 6px; flex-wrap: wrap; }
.badge { font-size: 12px; color: var(--warn); background: #fef3c7; border-radius: 999px; padding: 2px 8px; }
.badge-ok { color: #14532d; background: #dcfce7; }
.purpose { color: var(--muted); margin: 6px 0; }
textarea, input[type=text], input[type=password], input[type=number], select {
  width: 100%; padding: 10px; border: 1px solid var(--line); border-radius: 8px;
  font: inherit; background: #fff; margin-bottom: 8px;
}
input[type=file] { min-height: 44px; padding: 8px 0; font: inherit; }
button, .btn { min-height: 44px; padding: 10px 14px; border-radius: 8px; border: 1px solid var(--line); background: #fff; font: inherit; cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.att-list { list-style: none; padding: 0; margin: 6px 0; }
.att-list li { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 4px 0; }
.card-msg { color: var(--muted); min-height: 1.2em; margin: 4px 0 0; }
.card-msg.error { color: #b91c1c; }
.muted { color: var(--muted); }
.banner { padding: 10px 14px; border-radius: 8px; background: #dcfce7; margin: 10px 0; }
.banner.error { background: #fee2e2; }
table.admin { width: 100%; border-collapse: collapse; background: #fff; }
table.admin th, table.admin td { border-bottom: 1px solid var(--line); padding: 8px; text-align: left; }
@media (min-width: 768px) {
  main { padding: 20px; }
  .card-head { flex-direction: row; align-items: center; justify-content: space-between; }
  .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: start; }
}
@media (max-width: 767px) {
  table.admin thead { display: none; }
  table.admin tr { display: block; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 10px; padding: 8px; background: #fff; }
  table.admin td { display: block; border: none; padding: 4px 0; }
}