:root {
  --bg: #f5f6f8; --card: #fff; --text: #1c1f24; --muted: #667085; --line: #e3e6eb;
  --accent: #0f7b6c; --accent-text: #fff; --danger: #c0392b; --ok: #1e8e3e; --code: #f0f2f5;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111317; --card: #1a1d22; --text: #e6e8eb; --muted: #9aa3ae; --line: #2b3038;
          --accent: #2bb39e; --accent-text: #0b1512; --danger: #ff7b6b; --ok: #5ccf7a; --code: #23272e; }
}
* { 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); }
header { display: flex; align-items: center; gap: 16px; padding: 12px 20px; background: var(--card); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
header .brand { font-weight: 700; }
header nav { display: flex; gap: 14px; flex: 1; flex-wrap: wrap; }
header a { color: var(--text); text-decoration: none; }
header a.active { color: var(--accent); font-weight: 600; }
main { max-width: 1100px; margin: 0 auto; padding: 20px 16px 48px; display: grid; gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px; }
.card h2 { margin: 0 0 12px; font-size: 17px; }
.muted { color: var(--muted); }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
input, select { font: inherit; padding: 7px 9px; border: 1px solid var(--line); border-radius: 7px; background: var(--bg); color: var(--text); min-width: 0; }
button { font: inherit; padding: 7px 14px; border-radius: 7px; border: 1px solid var(--line); background: var(--card); color: var(--text); cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
button.danger { color: var(--danger); }
button:disabled { opacity: .5; cursor: default; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 13px; }
.table-wrap { overflow-x: auto; }
code, .mono { font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; font-size: 13px; }
code { background: var(--code); padding: 1px 5px; border-radius: 4px; }
.status { min-height: 1.4em; margin: 8px 0 0; }
.status.err { color: var(--danger); }
.status.ok { color: var(--ok); }
.newkey { display: none; margin-top: 12px; padding: 12px; border: 1px dashed var(--accent); border-radius: 8px; }
.newkey.show { display: block; }
.newkey code { display: block; padding: 8px; margin: 6px 0; word-break: break-all; user-select: all; }
.tag { display: inline-block; padding: 0 7px; border-radius: 10px; background: var(--code); font-size: 12px; margin-right: 3px; }
.tag.off { color: var(--danger); }
.checks { display: flex; gap: 12px; align-items: center; color: var(--text); }
.checks label { display: flex; gap: 4px; align-items: center; color: var(--text); font-size: 14px; }
.login { max-width: 360px; margin: 10vh auto; }
.login form { display: grid; gap: 12px; }
.services { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 10px; }
.services div { border: 1px solid var(--line); border-radius: 8px; padding: 10px; }
@media (max-width: 600px) { header { padding: 10px 16px; } th:nth-child(n+5), td:nth-child(n+5) { display: none; } }