:root {
  --bg: #f4f6f9; --card: #fff; --text: #1d2330; --muted: #6b7385; --line: #e2e6ee;
  --primary: #2b62e3; --primary-text: #fff; --danger: #c93636;
  --ok-bg: #e5f6ea; --ok: #1f7a3b; --err-bg: #fdeaea; --warn-bg: #fff4dc; --warn: #8a5a00;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #12151b; --card: #1b1f27; --text: #e6e9ef; --muted: #8e97a8; --line: #2a303b;
          --ok-bg: #173323; --ok: #6fd18f; --err-bg: #3a1c1c; --warn-bg: #3a2e12; --warn: #f0c060; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--primary); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .92em; }
h1 { font-size: 1.4rem; margin: .2rem 0 1rem; }
h2 { font-size: 1.15rem; margin: 0 0 1rem; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
main.wrap { padding-top: 20px; padding-bottom: 40px; }
.muted { color: var(--muted); }
.small, small { font-size: .85em; }

.top { background: var(--card); border-bottom: 1px solid var(--line); }
.top-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; padding-top: 10px; padding-bottom: 10px; }
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
nav { display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: center; }
nav a { text-decoration: none; color: var(--muted); }
nav a.on, nav a:hover { color: var(--text); }
form.inline { display: inline; margin: 0; }
button.link { background: none; border: 0; padding: 0; color: var(--muted); cursor: pointer; font: inherit; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 20px; margin-bottom: 20px; }
.card.narrow { max-width: 440px; }
.head-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }

label { display: block; margin-bottom: 14px; font-weight: 600; font-size: .92rem; }
label small { font-weight: normal; display: block; margin-top: 4px; }
input[type=text], input[type=password], input[type=url], input[type=date], input[type=search], select, textarea {
  display: block; width: 100%; margin-top: 5px; padding: 9px 10px; font: inherit; font-weight: normal;
  border: 1px solid var(--line); border-radius: 7px; background: var(--bg); color: var(--text);
}
textarea { resize: vertical; }
label.check { display: flex; align-items: center; gap: 8px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .grid { grid-template-columns: 1fr; } }
.buttons { display: flex; gap: 8px; }

.btn { display: inline-block; padding: 8px 14px; border-radius: 7px; border: 1px solid var(--line); background: var(--card);
       color: var(--text); font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; white-space: nowrap; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }
.btn.danger { color: var(--danger); border-color: var(--danger); background: transparent; }
.btn.ghost { background: transparent; }
.btn.small { padding: 4px 9px; font-size: .85rem; }
.danger-zone { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); }

.search { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.search input { flex: 1 1 220px; margin: 0; }
.search select { flex: 0 0 auto; width: auto; margin: 0; }

.alert { padding: 10px 14px; border-radius: 7px; margin: 0 0 16px; }
.alert ul { margin: 0; padding-left: 18px; }
.alert-ok { background: var(--ok-bg); color: var(--ok); }
.alert-err { background: var(--err-bg); color: var(--danger); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: .8rem; font-weight: 600; }
.badge-active { background: var(--ok-bg); color: var(--ok); }
.badge-inactive { background: var(--line); color: var(--muted); }
.badge-expired { background: var(--warn-bg); color: var(--warn); }

.table-wrap { background: var(--card); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; margin-bottom: 20px; }
table.list { width: 100%; border-collapse: collapse; }
table.list th, table.list td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.list th { font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
table.list tr:last-child td { border-bottom: 0; }
td.actions { white-space: nowrap; text-align: right; }
td.actions .inline { margin-left: 4px; }
form.reset input { display: inline-block; width: 140px; margin: 0 4px 0 0; padding: 4px 8px; }

/* Phone: tables become stacked cards */
@media (max-width: 720px) {
  table.list thead { display: none; }
  table.list, table.list tbody, table.list tr, table.list td { display: block; width: 100%; }
  table.list tr { border-bottom: 1px solid var(--line); padding: 8px 0; }
  table.list td { border: 0; padding: 4px 12px; }
  table.list td[data-label]::before { content: attr(data-label); display: block; font-size: .75rem; color: var(--muted); text-transform: uppercase; }
  td.actions { text-align: left; white-space: normal; }
  td.actions .inline { display: inline-block; margin: 4px 4px 0 0; }
}