:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #111827;
  --accent-2: #2563eb;
  --success: #065f46;
  --danger: #991b1b;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--text); background: var(--bg); }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
.layout { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; }
.sidebar { background: #0f172a; color: #fff; padding: 24px 18px; }
.brand { font-size: 20px; font-weight: 700; margin-bottom: 20px; }
.sidebar nav { display: grid; gap: 8px; }
.sidebar nav a { color: #cbd5e1; padding: 10px 12px; border-radius: 10px; }
.sidebar nav a:hover { background: rgba(255,255,255,.08); text-decoration: none; color: #fff; }
.content { padding: 28px; }
h1 { margin: 0 0 18px; }
h2 { margin-top: 0; font-size: 20px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 18px; margin-bottom: 18px; box-shadow: 0 8px 24px rgba(15,23,42,.04); }
.narrow { max-width: 520px; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 18px; }
.stat .label { color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.stat .value { font-size: 30px; font-weight: 700; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.section-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid.single { grid-template-columns: 1fr; }
.filter-grid.compact { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); align-items: end; }
.form-grid label, .form-grid .checkbox { display: grid; gap: 6px; font-size: 14px; }
.form-grid .full { grid-column: 1 / -1; }
input[type="text"], input[type="password"], input[type="url"], input[type="number"], input[type="email"], select, textarea {
  width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; font: inherit;
}
textarea { resize: vertical; }
button, .button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; border: 0;
  background: var(--accent); color: #fff; padding: 10px 14px; border-radius: 10px; font-size: 14px; text-decoration: none;
}
.button.secondary { background: #e5e7eb; color: #111827; }
.button.danger { background: #b91c1c; }
.button.small { padding: 8px 10px; font-size: 12px; }
.actions-inline { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.actions-cell { display: flex; gap: 8px; flex-wrap: wrap; }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 11px 10px; border-bottom: 1px solid var(--line); vertical-align: top; font-size: 14px; }
th { color: var(--muted); font-weight: 600; }
.badge { display: inline-block; padding: 4px 8px; border-radius: 999px; background: #e5e7eb; font-size: 12px; }
.badge.success { background: #d1fae5; color: var(--success); }
.muted { color: var(--muted); font-size: 12px; }
.flash-wrap { display: grid; gap: 10px; margin-bottom: 16px; }
.flash { padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line); background: #fff; }
.flash.success { border-color: #bbf7d0; background: #f0fdf4; }
.flash.error { border-color: #fecaca; background: #fef2f2; }
.login-body { display: grid; place-items: center; min-height: 100vh; }
.login-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 28px; width: min(420px, 92vw); }
.chips { display: flex; gap: 10px; flex-wrap: wrap; }
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px 16px; margin-bottom: 14px; }
.chip { background: #eef2ff; color: #1e3a8a; }
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { padding-bottom: 10px; }
  .content { padding: 18px; }
  .grid-2, .form-grid { grid-template-columns: 1fr; }
}