:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --text: #16191d;
  --muted: #5b6470;
  --border: #dde1e6;
  --accent: #2557d6;
  --accent-text: #ffffff;
  --accent-soft: #e8eefc;
  --ok: #17803d;
  --ok-soft: #e6f4ea;
  --bad: #c0262d;
  --bad-soft: #fbe9ea;
  --warn: #8a5a00;
  --warn-soft: #fff4d6;
  --idp: #7a3fd1;
  --sp: #0f7c8c;
  --code-bg: #f3f4f7;
  --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1216;
    --surface: #171b21;
    --surface-2: #1f242c;
    --text: #e7eaee;
    --muted: #9aa4b0;
    --border: #2c333d;
    --accent: #6b93ff;
    --accent-text: #0b1020;
    --accent-soft: #1c2742;
    --ok: #4cc276;
    --ok-soft: #13291b;
    --bad: #ff6b70;
    --bad-soft: #341719;
    --warn: #f0c050;
    --warn-soft: #2f2610;
    --idp: #b08cff;
    --sp: #4cc9d9;
    --code-bg: #12161b;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0f1216; --surface: #171b21; --surface-2: #1f242c; --text: #e7eaee; --muted: #9aa4b0;
  --border: #2c333d; --accent: #6b93ff; --accent-text: #0b1020; --accent-soft: #1c2742;
  --ok: #4cc276; --ok-soft: #13291b; --bad: #ff6b70; --bad-soft: #341719; --warn: #f0c050;
  --warn-soft: #2f2610; --idp: #b08cff; --sp: #4cc9d9; --code-bg: #12161b; color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.55 var(--sans);
}
a { color: var(--accent); }
code, pre, textarea.mono { font-family: var(--mono); font-size: 13px; }
code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; }
code.wrap { word-break: break-all; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5em; }
h1 { font-size: 26px; letter-spacing: -.01em; }
h2 { font-size: 18px; }
h3 { font-size: 15px; margin-top: 1em; }

.top {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px;
  max-width: 1080px; margin: 0 auto; padding: 18px 16px;
}
.brand { font-weight: 700; font-size: 20px; color: var(--text); text-decoration: none; letter-spacing: -.02em; }
.brand span { color: var(--accent); }
.top nav { display: flex; gap: 18px; flex-wrap: wrap; }
.top nav a { color: var(--muted); text-decoration: none; font-weight: 500; }
.top nav a:hover { color: var(--text); }

main { max-width: 1080px; margin: 0 auto; padding: 0 16px 24px; }
footer { max-width: 1080px; margin: 0 auto; padding: 16px 16px 40px; color: var(--muted); font-size: 13px; border-top: 1px solid var(--border); }
footer p { margin: 4px 0; }

.hero { padding: 28px 0 20px; max-width: 760px; }
.hero h1 { font-size: 34px; }
.hero.compact { padding-bottom: 8px; }
.hero.compact h1 { font-size: 28px; }
.lead { font-size: 17px; color: var(--muted); margin: 0 0 1em; }

.grid { display: grid; gap: 16px; margin-bottom: 16px; }
.grid.three { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid.three .card { display: flex; flex-direction: column; margin: 0; }
.grid.three .card p { flex: 1; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; margin-bottom: 16px; min-width: 0;
}
.card.narrow { max-width: 720px; margin-left: auto; margin-right: auto; }
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; padding: 16px 0 8px; }
.eyebrow { margin: 0 0 6px; color: var(--muted); font-size: 13px; }
.meta { color: var(--muted); font-size: 13px; }
.hint { color: var(--muted); font-size: 14px; margin-top: 0; }
.empty { color: var(--muted); font-style: italic; }
.notice { background: var(--warn-soft); color: var(--warn); border-radius: 8px; padding: 10px 14px; font-size: 14px; }
.flash { background: var(--accent-soft); border: 1px solid var(--accent); border-radius: 8px; padding: 10px 14px; margin-bottom: 16px; white-space: pre-wrap; }
.prose p, .prose li { max-width: 68ch; }

.badge { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .04em; padding: 1px 7px; border-radius: 999px; color: #fff; background: var(--muted); vertical-align: 1px; }
.badge.idp { background: var(--idp); }
.badge.sp { background: var(--sp); }
.badge.warn { background: var(--warn); }

button, .button {
  display: inline-block; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
  background: var(--accent); color: var(--accent-text); border: 1px solid var(--accent);
  padding: 8px 16px; border-radius: 8px; line-height: 1.3;
}
button:hover, .button:hover { filter: brightness(1.08); }
button.secondary, .button.secondary { background: transparent; color: var(--accent); }
button.danger { background: var(--bad); border-color: var(--bad); color: #fff; }
button.secondary.danger { background: transparent; color: var(--bad); }
button.small { padding: 3px 10px; font-size: 13px; font-weight: 500; }
button:focus-visible, .button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

form { margin: 0; }
.stack { display: flex; flex-direction: column; gap: 12px; margin-top: 12px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 12px; }
.checks { display: flex; gap: 20px; flex-wrap: wrap; }
label { display: flex; flex-direction: column; gap: 4px; font-weight: 500; }
label.check, label.choice { flex-direction: row; align-items: center; gap: 8px; font-weight: 400; }
label.choice { padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 6px; cursor: pointer; }
label.choice:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.label { font-weight: 600; font-size: 13px; color: var(--muted); display: block; margin-bottom: 4px; }
input[type=text], input[type=url], input[type=number], input:not([type]), select, textarea {
  font: inherit; font-weight: 400; width: 100%; color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px;
}
textarea { font-family: var(--mono); font-size: 13px; resize: vertical; }
fieldset { border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; margin: 0; min-width: 0; }
legend { font-weight: 600; padding: 0 4px; }
details > summary { cursor: pointer; font-weight: 500; }
details[open] > summary { margin-bottom: 8px; }

.field { margin-bottom: 12px; }
.copy { display: flex; gap: 8px; align-items: flex-start; }
.copy code { flex: 1; min-width: 0; word-break: break-all; padding: 7px 10px; display: block; }

table { border-collapse: collapse; width: 100%; }
.list th, .list td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
.list th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.list td.actions { white-space: nowrap; text-align: right; }
.list td.actions form { display: inline-block; margin-left: 4px; }
.kv { margin: 12px 0 16px; }
.kv th { text-align: left; font-weight: 500; color: var(--muted); padding: 6px 16px 6px 0; vertical-align: top; width: 34%; font-size: 14px; }
.kv td { padding: 6px 0; vertical-align: top; word-break: break-word; }
.values { margin: 0; padding: 0; list-style: none; }
.values li + li { margin-top: 4px; }
.pair { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 12px 0; }
.pair .label { margin: 0 4px 0 0; }

pre { background: var(--code-bg); border: 1px solid var(--border); border-radius: 8px; padding: 12px; overflow: auto; max-height: 520px; margin: 0 0 12px; }
pre.detail { white-space: pre-wrap; word-break: break-word; }
.xml-head { display: flex; justify-content: space-between; align-items: center; margin: 8px 0 4px; font-size: 12px; color: var(--muted); font-weight: 600; }

.user { border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; margin-bottom: 8px; }
.user form + form { margin-top: 8px; }

.events { list-style: none; margin: 0; padding: 0; }
.events li { border-left: 3px solid var(--border); padding: 6px 0 6px 12px; margin-bottom: 4px; }
.events li.ok { border-left-color: var(--ok); }
.events li.bad { border-left-color: var(--bad); }
.events summary { display: flex; gap: 12px; align-items: baseline; flex-wrap: wrap; }
.events .dir { font-family: var(--mono); font-size: 12px; color: var(--muted); min-width: 48px; }
.events .title { flex: 1; min-width: 0; word-break: break-word; }
.events time { color: var(--muted); font-size: 13px; }

.steps { padding-left: 20px; }
.steps li { margin-bottom: 6px; }

.result { font-size: 24px; }
.result.ok::before { content: "✓ "; color: var(--ok); }
.result.bad { color: var(--bad); }
.result.bad::before { content: "✕ "; }

/* Inspector */
.msg-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.msg-head h2 { margin: 0; }
.warnings { list-style: none; padding: 0; margin: 0 0 16px; }
.warnings li { background: var(--warn-soft); color: var(--warn); border-radius: 6px; padding: 6px 10px; margin-bottom: 6px; font-size: 14px; }
.error-box { background: var(--bad-soft); color: var(--bad); border-radius: 6px; padding: 8px 12px; margin-bottom: 12px; }
.sections { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 12px; margin-bottom: 12px; }
.section { border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; min-width: 0; }
.section h3 { margin: 0 0 6px; font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.section table th { text-align: left; font-weight: 500; color: var(--muted); padding: 3px 12px 3px 0; vertical-align: top; font-size: 13px; width: 40%; word-break: break-word; }
.section table td { padding: 3px 0; vertical-align: top; font-family: var(--mono); font-size: 13px; white-space: pre-wrap; word-break: break-all; }
.cert { border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; margin-bottom: 8px; }
.cert.expired { border-color: var(--bad); }

@media (max-width: 640px) {
  .hero h1 { font-size: 26px; }
  .page-head { flex-direction: column; }
  .kv th { width: auto; display: block; padding-bottom: 0; }
  .kv td { display: block; padding-top: 0; }
  .kv tr { display: block; margin-bottom: 8px; }
  .list thead { display: none; }
  .list tr, .list td { display: block; }
  .list td { border: 0; padding: 4px 0; }
  .list tr { border-bottom: 1px solid var(--border); padding: 8px 0; }
  .list td.actions { text-align: left; }
  .sections { grid-template-columns: 1fr; }
}

.participants { list-style: none; padding: 0; margin: 0 0 12px; }
.participants li { padding: 6px 0; border-bottom: 1px solid var(--border); }
.result-tag { font-weight: 600; font-size: 13px; }
.result-tag.ok { color: var(--ok); }
.result-tag.bad { color: var(--bad); }
.session { border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; margin-bottom: 8px; }
.session .row { margin-top: 8px; }
.keys-box { margin-top: 10px; }
.keys-box textarea { margin-top: 4px; }
.current { background: var(--accent-soft); border-radius: 8px; padding: 12px 14px; margin-bottom: 16px; }
.current p { margin: 0 0 4px; }
.current .hint { margin-top: 8px; margin-bottom: 0; }
.top-actions { margin: 4px 0 8px; }
.live { font-size: 12px; font-weight: 600; margin-left: 6px; vertical-align: 2px; }
.live.on { color: var(--ok); }
.live.on::before { content: "● "; }
.live.off { color: var(--muted); }
.events li.new { animation: flash 2s ease-out; }
@keyframes flash { from { background: var(--accent-soft); } to { background: transparent; } }
@media (prefers-reduced-motion: reduce) { .events li.new { animation: none; } }
.create { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 10px; }
.create label { font-size: 13px; }
.create select { width: auto; }
label.inline { flex-direction: row; align-items: center; gap: 8px; }
label.inline select { width: auto; }