:root {
  --bg: #f5f6f8; --card: #fff; --text: #1d2330; --muted: #667085; --line: #e3e6eb;
  --brand: #1f6feb; --brand-ink: #fff; --ok: #12805c; --warn: #b45309; --bad: #c0362c; --info: #5b5bd6;
  --ok-bg: #e6f5ee; --warn-bg: #fdf3e2; --bad-bg: #fbe9e7; --info-bg: #ececfb;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b; --card: #1b2029; --text: #e6e8ec; --muted: #98a1b2; --line: #2b313d;
    --brand: #4b8df8; --ok: #3ccf91; --warn: #f0a742; --bad: #f2776c; --info: #9a9af5;
    --ok-bg: #173327; --warn-bg: #3a2c14; --bad-bg: #3d1d1a; --info-bg: #25254a;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 20px; margin: 0; }
h2 { font-size: 15px; margin: 0 0 12px; }
.pad { padding: 16px; }
.muted { color: var(--muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.small { font-size: 12px; }

header.top { display: flex; align-items: center; gap: 20px; padding: 10px 20px; background: var(--card); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
header.top .brand { font-weight: 700; }
header.top nav { display: flex; gap: 14px; flex: 1; }
header.top nav a { color: var(--muted); padding: 4px 0; }
header.top nav a.on { color: var(--text); border-bottom: 2px solid var(--brand); text-decoration: none; }
main { max-width: 1100px; margin: 0 auto; padding: 20px 16px 60px; }

.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.spread { justify-content: space-between; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); align-items: start; }
.stack > * + * { margin-top: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.stats { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.stat .n { font-size: 22px; font-weight: 700; }
.stat .l { color: var(--muted); font-size: 12px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--bg); }
.scroll { overflow-x: auto; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.b-active { background: var(--ok-bg); color: var(--ok); }
.b-renewal_due { background: var(--warn-bg); color: var(--warn); }
.b-grace { background: var(--warn-bg); color: var(--bad); }
.b-ended, .b-suspended, .b-closed, .b-revoked { background: var(--bad-bg); color: var(--bad); }
.b-plain { background: var(--info-bg); color: var(--info); }

form .field, .field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
label, .field label > span { font-size: 12px; color: var(--muted); font-weight: 600; }
.field label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; color: var(--text); font-weight: 400; }
main > .gap + .gap, .card > .gap { margin-top: 16px; }
.card > .search, .card > input[type=search] { margin-bottom: 8px; }
input, select, textarea { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; width: 100%; }
textarea { min-height: 80px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand); outline-offset: -1px; }
.two { display: grid; gap: 0 12px; grid-template-columns: 1fr 1fr; }
@media (max-width: 560px) { .two { grid-template-columns: 1fr; } }
.hint { font-size: 12px; color: var(--muted); }

button { font: inherit; font-weight: 600; border-radius: 8px; padding: 8px 14px; border: 1px solid var(--line); background: var(--card); color: var(--text); cursor: pointer; }
button.primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
button.danger { color: var(--bad); border-color: var(--bad); }
button.link { border: none; background: none; padding: 0; color: var(--brand); font-weight: 600; }
button:disabled { opacity: .55; cursor: default; }

.secret { display: flex; align-items: center; gap: 8px; background: var(--bg); border: 1px dashed var(--line); border-radius: 8px; padding: 8px 10px; margin: 4px 0 12px; }
.secret .mono { flex: 1; font-size: 15px; word-break: break-all; }
.notice { border-radius: 8px; padding: 10px 12px; margin-bottom: 12px; }
.notice.warn { background: var(--warn-bg); color: var(--warn); }
.notice.bad { background: var(--bad-bg); color: var(--bad); }
.notice.ok { background: var(--ok-bg); color: var(--ok); }
pre.out { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px; max-height: 300px; overflow: auto; font-size: 12px; white-space: pre-wrap; }

.login { max-width: 360px; margin: 12vh auto; }
#toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 8px; opacity: 0; pointer-events: none; transition: opacity .2s; max-width: calc(100% - 32px); }
#toast.show { opacity: 1; }
#toast.error { background: var(--bad); color: #fff; }
img.qr { display: block; margin: 4px 0 12px; background: #fff; border-radius: 8px; image-rendering: pixelated; }
details summary { cursor: pointer; color: var(--brand); font-weight: 600; margin-bottom: 8px; }
details { margin-bottom: 12px; }