:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1a1f2e;
  --muted: #6b7280;
  --border: #e3e6ec;
  --primary: #2755ff;
  --primary-hover: #1f44d6;
  --danger: #d92d20;
  --ok: #058527;
  --warn: #b54708;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.5; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0 0 16px; }
h1 { font-size: 22px; }
h2 { font-size: 17px; margin-top: 24px; }

.topbar {
  display: flex; align-items: center; gap: 24px;
  background: #fff; border-bottom: 1px solid var(--border);
  padding: 12px 24px;
}
.brand a { font-weight: 700; color: var(--text); font-size: 16px; }
.topbar nav { display: flex; gap: 18px; flex: 1; }
.topbar nav a { color: var(--text); font-weight: 500; }
.topbar .me { display: flex; align-items: center; gap: 12px; color: var(--muted); }

.container { max-width: 1100px; margin: 24px auto; padding: 0 24px 60px; }

.page-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }

.btn {
  display: inline-block; background: var(--primary); color: #fff; border: 0;
  padding: 8px 16px; border-radius: 6px; cursor: pointer; font-weight: 500; font-size: 14px;
  text-decoration: none;
}
.btn:hover { background: var(--primary-hover); text-decoration: none; }
.btn-link { background: none; border: 0; color: var(--primary); cursor: pointer; padding: 0; font-size: 13px; }
.btn-link.danger { color: var(--danger); }

.form { background: var(--card); padding: 24px; border-radius: 8px; border: 1px solid var(--border); max-width: 640px; }
.form label { display: block; margin-bottom: 14px; font-weight: 500; }
.form input[type=text], .form input[type=email], .form input[type=password], .form input[type=url],
.form textarea, .form select {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 14px; margin-top: 4px; font-family: inherit;
}
.form-actions { display: flex; gap: 12px; align-items: center; margin-top: 18px; }

fieldset.assignments { border: 1px solid var(--border); border-radius: 6px; padding: 12px 16px; margin-top: 8px; }
fieldset.assignments legend { font-weight: 500; padding: 0 6px; }
.checkbox-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 6px; }
.check { display: flex; align-items: center; gap: 6px; font-weight: 400; margin: 0; }

table.data { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
table.data th, table.data td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.data th { background: #fafbfc; font-weight: 600; font-size: 12px; text-transform: uppercase; color: var(--muted); letter-spacing: .03em; }
table.data tr:last-child td { border-bottom: 0; }
.row-actions { display: flex; gap: 12px; align-items: center; }
.row-actions form { display: inline; margin: 0; }

.muted { color: var(--muted); }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; font-size: 13px; }
.flash-success { background: #e8f7ed; color: var(--ok); border: 1px solid #b6e3c3; }
.flash-error   { background: #fdecea; color: var(--danger); border: 1px solid #f5b5ad; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 12px; font-weight: 500; }
.badge-admin    { background: #ede9fe; color: #5b21b6; }
.badge-user     { background: #e0f2fe; color: #075985; }
.badge-active   { background: #dcfce7; color: var(--ok); }
.badge-disabled { background: #f3f4f6; color: var(--muted); }

.auth-card { max-width: 380px; margin: 60px auto; background: var(--card); padding: 32px; border-radius: 8px; border: 1px solid var(--border); }
.auth-card h1 { text-align: center; }
.auth-card label { display: block; margin-bottom: 14px; }
.auth-card input { width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; margin-top: 4px; }
.auth-card .btn { width: 100%; padding: 10px; font-size: 15px; }

.stats { display: flex; gap: 16px; margin-bottom: 24px; }
.stat { flex: 1; background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 18px; }
.stat .num { font-size: 28px; font-weight: 600; }
.stat > div:last-child { color: var(--muted); font-size: 13px; }

.pagination { margin-top: 16px; display: flex; gap: 6px; flex-wrap: wrap; }
.pagination a { padding: 6px 10px; border: 1px solid var(--border); border-radius: 4px; color: var(--text); background: #fff; }
.pagination a.active { background: var(--primary); color: #fff; border-color: var(--primary); }

code { background: #f3f4f6; padding: 1px 6px; border-radius: 3px; font-size: 12px; }