:root {
  --bg: #f6f7f9; --card: #fff; --text: #1d2330; --muted: #6b7385; --line: #e4e7ec;
  --primary: #2f5bea; --primary-d: #2349c4;
  --ok: #117a45; --ok-bg: #e6f6ed; --warn: #9a5b00; --warn-bg: #fff4dc;
  --bad: #b42318; --bad-bg: #fdecea; --gray-bg: #eef0f3;
  --radius: 10px;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
h2 { font-size: 16px; margin: 0 0 12px; }
code, .mono { font-family: ui-monospace, Menlo, Consolas, monospace; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.count { font-size: 15px; font-weight: 400; }

/* top bar */
.topbar { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.topbar-inner { display: flex; align-items: center; gap: 24px; height: 56px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-lg { font-size: 20px; justify-content: center; margin-bottom: 18px; }
.logo { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 7px; background: var(--primary); color: #fff; font-size: 14px; }
.nav { display: flex; gap: 4px; flex: 1; }
.nav a { padding: 6px 12px; border-radius: 7px; color: var(--muted); font-weight: 500; }
.nav a:hover { background: var(--gray-bg); text-decoration: none; }
.nav a.on { background: #e8eefe; color: var(--primary); }
.userbox { display: flex; gap: 14px; font-size: 13px; }

main.wrap { padding-top: 24px; padding-bottom: 24px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-bottom: 18px; }
.card.narrow { max-width: 460px; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.card-head h2 { margin: 0; }
.empty { color: var(--muted); margin: 8px 0; }

/* stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; color: var(--text); display: flex; flex-direction: column; gap: 4px; }
.stat:hover { text-decoration: none; border-color: #c9cfd9; }
.stat-label { color: var(--muted); font-size: 13px; }
.stat-value { font-size: 28px; font-weight: 700; }
.stat-warn .stat-value { color: var(--warn); }
.stat-bad .stat-value { color: var(--bad); }

/* tables */
.table-wrap { overflow-x: auto; margin: 0 -18px; padding: 0 18px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 10px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); font-weight: 600; white-space: nowrap; }
tbody tr:hover { background: #fafbfc; }
tbody tr:last-child td { border-bottom: 0; }

/* badges */
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; margin: 1px 0; }
.badge-active { background: var(--ok-bg); color: var(--ok); }
.badge-expiring { background: var(--warn-bg); color: var(--warn); }
.badge-expired { background: var(--bad-bg); color: var(--bad); }
.badge-perpetual, .badge-cancelled { background: var(--gray-bg); color: var(--muted); }
h1 .badge { font-size: 12px; }

/* buttons */
.btn { display: inline-block; padding: 8px 14px; border: 1px solid var(--line); background: #fff; color: var(--text); border-radius: 8px; font: inherit; font-weight: 500; cursor: pointer; line-height: 1.3; }
.btn:hover { background: var(--gray-bg); text-decoration: none; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-d); }
.btn-danger { background: var(--bad); border-color: var(--bad); color: #fff; }
.btn-danger:hover { background: #8f1c13; }
.btn-ghost { border-color: transparent; background: transparent; }
.btn-sm { padding: 4px 10px; font-size: 13px; }
.btn-block { width: 100%; }

/* forms */
.form { display: grid; gap: 14px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.span-2 { grid-column: span 2; }
.span-3 { grid-column: 1 / -1; }
.form label { display: flex; flex-direction: column; gap: 5px; font-weight: 500; font-size: 13px; }
.form label.check { flex-direction: row; align-items: center; gap: 8px; align-self: end; padding-bottom: 10px; }
input, select, textarea { font: inherit; padding: 8px 10px; border: 1px solid #cfd4dc; border-radius: 8px; background: #fff; color: var(--text); width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid #c7d4fb; border-color: var(--primary); }
input[type=checkbox] { width: auto; }
.hint { font-weight: 400; color: var(--muted); font-size: 12px; }
.form-actions { display: flex; gap: 8px; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 12px; }
.filters input[type=search] { flex: 1 1 240px; width: auto; }
.filters select, .filters input[type=date] { width: auto; }
.filters label.inline { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }

.details { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px 20px; margin: 0; }
.details dt { color: var(--muted); font-size: 12px; margin-bottom: 2px; }
.details dd { margin: 0; word-break: break-word; }
.details .span-2 { grid-column: span 2; }
.key { background: var(--gray-bg); padding: 3px 8px; border-radius: 6px; word-break: break-all; }

.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; }
.alert-success { background: var(--ok-bg); color: var(--ok); }
.alert-error { background: var(--bad-bg); color: var(--bad); }

.danger-zone { border-color: #f3c7c2; }
.auth-card { max-width: 380px; margin: 8vh auto 0; }
.footer { padding: 10px 16px 30px; font-size: 12px; }

@media (max-width: 860px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .details { grid-template-columns: repeat(2, 1fr); }
  .topbar-inner { height: auto; flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; gap: 10px; }
  .nav { order: 3; flex-basis: 100%; overflow-x: auto; }
}
@media (max-width: 560px) {
  .grid-2, .grid-3, .details { grid-template-columns: 1fr; }
  .span-2, .details .span-2 { grid-column: auto; }
  .userbox { margin-left: auto; }
}