:root {
  --bg: #f5f6f8; --card: #fff; --text: #1c2430; --muted: #6b7686;
  --accent: #2563eb; --accent-h: #1d4ed8; --danger: #dc2626;
  --border: #e3e7ee; --tag: #eef2ff;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 1100px; margin: 0 auto; padding: 16px; }
.topbar {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap;
  gap: 8px; background: var(--card); border-bottom: 1px solid var(--border); padding: 10px 16px;
}
.topbar .brand { font-weight: 700; color: var(--text); text-decoration: none; font-size: 17px; }
.topbar nav { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.topbar nav a { color: var(--accent); text-decoration: none; }
h1 { font-size: 22px; margin: 10px 0; } h2 { font-size: 17px; margin: 6px 0 10px; }
.muted { color: var(--muted); } .small { font-size: 13px; }
.tag { background: var(--tag); color: #3b4c9b; border-radius: 20px; padding: 2px 10px; font-size: 12px; white-space: nowrap; }
.btn {
  display: inline-block; border: 1px solid var(--border); background: var(--card);
  color: var(--text); border-radius: 8px; padding: 7px 14px; cursor: pointer;
  text-decoration: none; font-size: 14px;
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-h); }
.btn-danger { color: var(--danger); border-color: #f3c1c1; }
.btn-big { font-size: 17px; padding: 12px 26px; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0; }
.filters input[type=search] { flex: 2 1 260px; }
.filters select { flex: 1 1 200px; }
input, select, textarea {
  font: inherit; padding: 8px 10px; border: 1px solid var(--border);
  border-radius: 8px; background: var(--card); color: var(--text); width: 100%;
}
.filters input, .filters select { width: auto; }
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--border); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 13px; color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: none; }
tr.clickable { cursor: pointer; } tr.clickable:hover { background: #f0f4ff; }
.pager { display: flex; gap: 12px; align-items: center; justify-content: center; margin: 16px 0; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 16px 18px; margin: 14px 0; }
dl { display: grid; grid-template-columns: 140px 1fr; gap: 6px 14px; margin: 12px 0; }
dt { color: var(--muted); font-size: 13px; padding-top: 2px; } dd { margin: 0; word-break: break-word; }
.actions { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; align-items: center; }
.comment { border-top: 1px solid var(--border); padding: 8px 0; }
.comment p { margin: 4px 0; white-space: pre-wrap; }
.comment-form { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; align-items: flex-start; }
.comment-form textarea { width: 100%; }
.form-grid { display: grid; gap: 12px; }
.form-grid label { display: grid; gap: 4px; }
.form-grid label span { font-size: 13px; color: var(--muted); }
.inline-form { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.inline-form input { width: auto; flex: 1 1 140px; }
.login-box { max-width: 420px; margin: 8vh auto; text-align: center; background: var(--card);
  border: 1px solid var(--border); border-radius: 14px; padding: 34px 26px; }
.login-box h1 { font-size: 24px; }
details summary { cursor: pointer; }
code { background: var(--tag); padding: 1px 6px; border-radius: 5px; }
@media (max-width: 640px) { dl { grid-template-columns: 1fr; gap: 0 0; } dt { margin-top: 8px; } }