:root {
  --bg: #f6f7f9; --card: #fff; --text: #1d2330; --muted: #6b7280; --border: #e3e6eb;
  --accent: #3b5bdb; --accent-text: #fff; --danger: #c92a2a; --ok: #2b8a3e;
  --radius: 10px;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 24px; margin: 0 0 16px; }
h2 { font-size: 18px; margin: 0 0 12px; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 12px 24px; background: var(--card); border-bottom: 1px solid var(--border); }
.brand { font-weight: 700; font-size: 18px; color: var(--text); letter-spacing: .02em; }
.topnav { display: flex; gap: 16px; align-items: center; }
.topnav form { margin: 0; }
.container { max-width: 1100px; margin: 0 auto; padding: 24px 16px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }
.card.narrow { max-width: 420px; margin: 40px auto; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.tile { display: flex; flex-direction: column; gap: 6px; color: var(--text); }
a.tile:hover { border-color: var(--accent); text-decoration: none; }
.muted { color: var(--muted); font-weight: normal; }
.small { font-size: 13px; }
.ok { color: var(--ok); }
.badge { align-self: flex-start; font-size: 12px; padding: 2px 8px; border-radius: 99px; background: #eef1fb; color: var(--accent); }
.crumbs { margin: 0 0 4px; color: var(--muted); font-size: 13px; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.tabs a { padding: 8px 12px; color: var(--muted); }
.btn { background: var(--accent); color: var(--accent-text); border: 0; border-radius: 8px; padding: 8px 16px; font: inherit; cursor: pointer; }
.link { background: none; border: 0; padding: 0; font: inherit; color: var(--accent); cursor: pointer; }
.danger { color: var(--danger); }
input[type=text], input[type=email], input[type=password], select { font: inherit; padding: 7px 10px; border: 1px solid var(--border); border-radius: 8px; width: 100%; }
.inline-form { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.inline-form input, .inline-form select { width: auto; }
form p label { display: block; margin-bottom: 4px; }
.errorlist { color: var(--danger); padding-left: 16px; margin: 4px 0; }
.helptext { display: block; color: var(--muted); font-size: 13px; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 8px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table th { color: var(--muted); font-weight: 500; font-size: 13px; }
.table td form { margin: 0; }
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; background: #eef1fb; }
.flash-success { background: #ebfbee; }
.flash-error { background: #fff5f5; }
@media (max-width: 600px) { .topbar { padding: 12px 16px; } .topnav .muted { display: none; } }