:root {
  --bg: #fbfbfa;
  --surface: #ffffff;
  --text: #1a1c1e;
  --muted: #5b6168;
  --border: #e2e4e7;
  --code-bg: #f3f4f6;
  --accent: #2550c4;
  --success: #17793c;
  --success-bg: #e8f5ec;
  --failure: #b3261e;
  --failure-bg: #fcecea;
  --cancel: #6b5800;
  --cancel-bg: #f7f2dc;
  --callback: #2550c4;
  --callback-bg: #e9eefb;
  --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111315;
    --surface: #191c1f;
    --text: #e8eaed;
    --muted: #a0a6ad;
    --border: #2c3035;
    --code-bg: #22262a;
    --accent: #8aa9ff;
    --success: #6fd394;
    --success-bg: #16301f;
    --failure: #ff8a80;
    --failure-bg: #3a1a18;
    --cancel: #e6cf6a;
    --cancel-bg: #332c10;
    --callback: #8aa9ff;
    --callback-bg: #1b2440;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 16px;
}

.site-header {
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 60px;
}
.wordmark {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.wordmark span { color: var(--accent); }
.site-header nav { display: flex; gap: 20px; }
.site-header nav a { color: var(--muted); text-decoration: none; }
.site-header nav a:hover { color: var(--text); }

main { padding: 48px 0 64px; }

h1 { font-size: clamp(2rem, 6vw, 2.75rem); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 16px; }
h2 { font-size: 1.35rem; margin: 48px 0 12px; letter-spacing: -0.01em; }
h3 { font-size: 1.05rem; margin: 0 0 4px; }
.lead { font-size: 1.15rem; color: var(--muted); margin: 0 0 32px; max-width: 40em; }
.muted { color: var(--muted); }

code, pre { font-family: var(--mono); font-size: 0.9em; }
:not(pre) > code { background: var(--code-bg); padding: 0.1em 0.35em; border-radius: 4px; overflow-wrap: anywhere; }
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  overflow-x: auto;
  margin: 0 0 16px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}
.button:hover { border-color: var(--muted); }
.button.primary { background: var(--accent); border-color: var(--accent); color: var(--bg); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: 16px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.card p { margin: 0; color: var(--muted); }
.card .url {
  display: block;
  background: var(--code-bg);
  padding: 8px 10px;
  border-radius: 6px;
  overflow-wrap: anywhere;
}
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.95rem;
}
.badge svg { width: 1.2em; height: 1.2em; flex: none; }

.status {
  border-radius: var(--radius);
  padding: 24px;
  margin: 0 0 32px;
  border: 1px solid currentColor;
}
.status h1 { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.status h1 svg { width: 1em; height: 1em; flex: none; }
.status p { margin: 0; color: var(--text); }
.status-success { color: var(--success); background: var(--success-bg); }
.status-failure { color: var(--failure); background: var(--failure-bg); }
.status-cancel { color: var(--cancel); background: var(--cancel-bg); }
.status-callback { color: var(--callback); background: var(--callback-bg); }
.card .badge.success { color: var(--success); }
.card .badge.failure { color: var(--failure); }
.card .badge.cancel { color: var(--cancel); }
.card .badge.callback { color: var(--callback); }

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin: 0 0 24px;
}
.panel h2 { margin: 0 0 12px; font-size: 1.1rem; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.panel-head h2 { margin: 0; }

.current-url {
  display: block;
  background: var(--code-bg);
  padding: 10px 12px;
  border-radius: 6px;
  overflow-wrap: anywhere;
  margin-bottom: 12px;
}

.params { width: 100%; border-collapse: collapse; table-layout: fixed; }
.params th, .params td {
  text-align: left;
  vertical-align: top;
  padding: 10px 8px;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}
.params thead th { border-top: 0; font-family: inherit; color: var(--muted); font-weight: 500; font-size: 0.85rem; }
.params tbody th { font-weight: 600; width: 35%; }
.params .copy-cell { width: 84px; text-align: right; }
.params .button { min-height: 36px; padding: 0 10px; }
.empty-value { color: var(--muted); font-style: italic; }
.empty-state { color: var(--muted); margin: 0; }

.notice {
  border-left: 4px solid var(--failure);
  background: var(--surface);
  padding: 12px 16px;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 0.9rem;
}
.site-footer p { margin: 4px 0; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 520px) {
  main { padding-top: 32px; }
  .site-header nav { gap: 14px; }
  .params .copy-cell { width: 72px; }
}