:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --ink: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #2563eb;
  --danger: #dc2626;
  --ok-bg: #d1fae5;
  --ok-fg: #065f46;
  --err-bg: #fee2e2;
  --err-fg: #991b1b;
}
* { box-sizing: border-box; }
body {
  margin: 0; font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--ink); background: var(--bg);
}
header {
  background: var(--card); border-bottom: 1px solid var(--line);
  padding: 12px 24px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
header h1 { margin: 0; font-size: 18px; }
header h1 a { color: var(--ink); text-decoration: none; }
header nav { display: flex; gap: 12px; flex-wrap: wrap; }
header nav a { color: var(--accent); text-decoration: none; font-size: 13px; }
header nav a:hover { text-decoration: underline; }
main { padding: 24px; max-width: 1200px; margin: 0 auto; }
footer { text-align: center; color: var(--muted); padding: 24px; }

h2 { margin-top: 0; }

.bar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; gap: 12px; flex-wrap: wrap; }
.muted { color: var(--muted); }

.filter-bar { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.filter-bar input[type="search"] {
  flex: 1 1 280px; min-width: 200px; max-width: 480px;
  padding: 7px 10px; border: 1px solid var(--line); border-radius: 4px;
  font: inherit; background: #fff;
}
.filter-bar input[type="search"]:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent); }
.filter-bar .count { margin-left: auto; font-size: 13px; }

.btn {
  display: inline-block; padding: 6px 12px; border: 1px solid var(--line); border-radius: 4px;
  background: var(--card); color: var(--ink); text-decoration: none; cursor: pointer; font-size: 13px;
}
.btn:hover { background: #f3f4f6; }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { background: #1d4ed8; }
.btn.danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn.danger:hover { background: #b91c1c; }
.btn.small { padding: 2px 8px; font-size: 12px; }

table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
th, td { padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--line); }
th { background: #f9fafb; font-weight: 600; }
th.right, td.right { text-align: right; }
th.sortable { padding: 0; }
th.sortable a {
  display: block; padding: 8px 12px; color: var(--ink); text-decoration: none;
  user-select: none;
}
th.sortable a:hover { background: #eef2f7; color: var(--accent); }
.sort-ind { display: inline-block; width: 1em; margin-left: 4px; color: var(--accent); }
.sort-ind.dim { color: var(--muted); opacity: 0.5; }
tr:last-child td { border-bottom: 0; }
table.detail th { width: 160px; background: #f9fafb; }

.actions { text-align: right; white-space: nowrap; }
.actions a, .actions button { margin-left: 8px; }

.flash { padding: 8px 12px; border-radius: 4px; margin-bottom: 12px; }
.flash.ok  { background: var(--ok-bg);  color: var(--ok-fg); }
.flash.err { background: var(--err-bg); color: var(--err-fg); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 16px; text-decoration: none; color: var(--ink); }
.card:hover { border-color: var(--accent); }
.card-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.card-count { font-size: 28px; font-weight: 600; margin-top: 4px; }

.form { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 16px; max-width: 640px; }
.form label { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.form label > span { font-weight: 600; font-size: 13px; }
.form input, .form select, .form textarea {
  padding: 6px 8px; border: 1px solid var(--line); border-radius: 4px; font: inherit; background: #fff;
}
.form-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 8px; }