:root {
  --bg: #f4f6f8; --card: #fff; --text: #1d2329; --muted: #6b7682; --line: #dde3e8;
  --accent: #0b6bcb; --ok: #1f7a43; --ok-bg: #e3f4ea; --bad: #b42318; --bad-bg: #fdecea;
  --warn-bg: #fff6dd; --warn: #8a5a00; --chip: #eef1f4;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; font-size: 15px;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-size: 13px; }
h1 { font-size: 22px; margin: 4px 0 16px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 12px 0 4px; text-transform: uppercase; color: var(--muted); }

.top { display: flex; align-items: center; gap: 24px; padding: 10px 24px; background: #12202e; color: #fff; flex-wrap: wrap; }
.top .brand { color: #fff; font-weight: 700; font-size: 17px; }
.top .brand span { font-weight: 400; opacity: .7; }
.top nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.top nav a { color: #c9d4de; padding: 6px 10px; border-radius: 6px; }
.top nav a.on, .top nav a:hover { background: #24384c; color: #fff; text-decoration: none; }
.logout { display: flex; gap: 8px; align-items: center; color: #c9d4de; font-size: 13px; }
.logout button.link { color: #fff; }

main { max-width: 1200px; margin: 0 auto; padding: 20px 24px 48px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; margin-bottom: 16px; overflow-x: auto; }
details.card > summary { cursor: pointer; list-style: none; }
details.card > summary h2 { display: inline; }
details.card > summary::before { content: "＋ "; color: var(--accent); }
details.card[open] > summary::before { content: "－ "; }
details.card[open] > summary { margin-bottom: 12px; }

table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; color: var(--muted); font-size: 13px; white-space: nowrap; }
tr.removed td { color: var(--muted); text-decoration: line-through; }
tr.removed td:last-child { text-decoration: none; }
.error-cell { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12px; max-width: 520px; word-break: break-word; }

dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0 0 12px; }
dt { color: var(--muted); }
dd { margin: 0; word-break: break-word; }

form { margin: 0 0 10px; }
label { display: block; margin-bottom: 10px; }
label.inline { display: flex; align-items: center; gap: 8px; margin: 6px 0; flex-wrap: wrap; }
input, select { font: inherit; padding: 6px 9px; border: 1px solid #c3ccd5; border-radius: 6px; background: #fff; }
label > input:not([type=radio]):not([type=checkbox]), label > select { display: block; margin-top: 4px; width: 100%; max-width: 420px; }
label.inline > input { display: inline-block; width: auto; margin: 0; }
input.short { width: 90px !important; }
fieldset { border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; margin: 0 0 12px; }
legend { color: var(--muted); padding: 0 4px; }
small { color: var(--muted); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 4px 20px; align-items: start; }
.form-grid .wide, .form-grid fieldset { grid-column: 1 / -1; }
.form-grid button { justify-self: start; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row label { margin: 0; display: flex; gap: 8px; align-items: center; }
.row label > input { margin: 0; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }

button { font: inherit; padding: 7px 14px; border-radius: 6px; border: 1px solid #c3ccd5; background: #fff; cursor: pointer; }
button:hover { background: #f0f3f6; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.primary:hover { background: #095aab; }
button.danger { color: var(--bad); border-color: #e6b4ae; }
button.danger:hover { background: var(--bad-bg); }
button.small { padding: 3px 9px; font-size: 13px; }
button.link { background: none; border: none; padding: 0; color: var(--accent); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 12px; font-weight: 600; background: var(--chip); color: var(--muted); white-space: nowrap; }
.badge.ok, .badge.s-active { background: var(--ok-bg); color: var(--ok); }
.badge.bad, .badge.s-revoked { background: var(--bad-bg); color: var(--bad); }
.badge.s-expired { background: var(--warn-bg); color: var(--warn); }
.chip { display: inline-block; padding: 1px 7px; border-radius: 4px; background: var(--chip); font-size: 12px; margin: 2px 4px 2px 0; }
.chip.ok { background: var(--ok-bg); color: var(--ok); }
.boards { margin-top: 4px; }
.err-text { color: var(--bad); font-size: 13px; }

.flash { padding: 10px 14px; border-radius: 8px; margin: 0 0 16px; }
.flash.ok { background: var(--ok-bg); color: var(--ok); }
.flash.err { background: var(--bad-bg); color: var(--bad); }
.warn { background: var(--warn-bg); color: var(--warn); padding: 10px 12px; border-radius: 8px; }
.muted { color: var(--muted); }
.small { font-size: 13px; font-weight: 400; margin-left: 8px; }
ul.plain { list-style: none; padding: 0; margin: 0; }
ul.plain li { padding: 6px 0; border-bottom: 1px solid var(--line); }
ul.plain li:last-child { border-bottom: none; }
code.big { font-size: 18px; letter-spacing: .5px; }
pre.codes { background: var(--chip); padding: 12px; border-radius: 8px; font-size: 16px; }
pre.notes { white-space: pre-wrap; background: var(--chip); padding: 10px; border-radius: 8px; max-height: 320px; overflow: auto; font-family: inherit; font-size: 14px; }
pre { overflow-x: auto; }
dl.feed { margin-bottom: 14px; }

.login { max-width: 380px; margin: 10vh auto; }
.login h1 { justify-content: center; }
.login label > input { max-width: none; }
.login button { width: 100%; margin-top: 6px; }

@media (max-width: 640px) {
  main { padding: 14px 12px 40px; }
  .top { padding: 10px 12px; gap: 10px; }
  .grid { grid-template-columns: 1fr; }
}