:root {
  color-scheme: light;
  --ink: #1f2933;
  --muted: #627083;
  --line: #e6e8ee;
  --bg: #f5f6f8;
  --card: #fff;
  --red: #e11d48;
  --green: #0f9f6e;
  --blue: #2563eb;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.5 "Segoe UI", "PingFang SC", "Noto Sans SC", sans-serif;
}
main { max-width: 1180px; margin: 0 auto; padding: 24px 16px 48px; }
h1 { margin: 0 0 8px; font-size: 22px; }
h2 { margin: 0 0 12px; font-size: 16px; }
.banner, .message {
  margin: 12px 0;
  padding: 10px 12px;
  border-radius: 8px;
}
.banner { background: #fff7ed; color: #9a3412; }
.message { background: #fef2f2; color: #9f1239; }
.message.ok { background: #ecfdf3; color: #166534; }
section, form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  margin-top: 14px;
}
.grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.field-note { line-height: 1.4; }
label { display: flex; flex-direction: column; gap: 6px; color: var(--muted); font-size: 12px; }
input, select, textarea {
  width: 100%;
  border: 1px solid #d5d9e2;
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--ink);
  font: inherit;
  background: #fff;
}
textarea { min-height: 88px; resize: vertical; }
.check { flex-direction: row; align-items: flex-start; gap: 8px; color: var(--ink); font-size: 14px; }
.check input { width: auto; margin-top: 2px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
button, .button {
  border: 0;
  border-radius: 8px;
  padding: 8px 14px;
  font: inherit;
  cursor: pointer;
}
button.primary, a.primary { background: #fb7185; color: white; text-decoration: none; }
button.secondary, a.secondary { background: #eef2ff; color: var(--blue); text-decoration: none; }
button.edit, a.edit { background: var(--green); color: white; text-decoration: none; }
button.delete { background: var(--red); color: white; }
button:disabled { opacity: 0.6; cursor: wait; }
.nav { display: flex; gap: 8px; margin-top: 16px; }
.nav a {
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
}
.nav a.active { background: #fb7185; border-color: #fb7185; color: white; }
.page-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; margin-top: 14px; }
.pager { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: var(--muted); }
.pager label { flex-direction: row; align-items: center; width: auto; color: var(--ink); font-size: 14px; }
.pager select { width: auto; }
.back { display: inline-block; margin-top: 14px; color: var(--blue); text-decoration: none; }
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: 12px; margin-top: 14px; }
table { width: 100%; min-width: 980px; border-collapse: collapse; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
th { color: var(--muted); font-weight: 600; background: #fafbfc; }
td.ops { display: flex; gap: 8px; }
.hint { margin: 0; color: var(--muted); font-size: 12px; }
legend { padding: 0 6px; color: var(--ink); font-weight: 600; }
fieldset { border: 1px solid var(--line); border-radius: 10px; margin: 0 0 14px; padding: 12px; }
pre {
  margin: 12px 0 0;
  padding: 12px;
  overflow: auto;
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 8px;
  white-space: pre-wrap;
}
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }
@media (max-width: 800px) {
  .grid { grid-template-columns: 1fr; }
  .span-2, .span-3, .span-4 { grid-column: 1 / -1; }
  label { margin-bottom: 10px; }
}