:root {
  --fg: #111;
  --fg-muted: #555;
  --bg: #fff;
  --bg-soft: #f5f5f5;
  --border: #ccc;
  --ok: #117733;
  --err: #aa3333;
  --warn: #aa6600;
  --link: #1f4ea3;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  color: var(--fg);
  background: var(--bg);
  margin: 0;
  padding: 1rem;
  line-height: 1.4;
}

h1, h2, h3 { margin-top: 0; }

main { max-width: 760px; margin: 0 auto; }

button {
  font: inherit;
  padding: 0.5rem 0.9rem;
  margin: 0.25rem 0.25rem 0.25rem 0;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  border-radius: 6px;
  cursor: pointer;
}
button:hover { background: #ebebeb; }
button:disabled { opacity: 0.6; cursor: not-allowed; }

label { display: block; margin: 0.5rem 0; }
label input[type="text"] {
  display: block; width: 100%; padding: 0.4rem;
  border: 1px solid var(--border); border-radius: 4px;
  font: inherit;
}

select, input[type="text"] { font: inherit; }

pre {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.6rem;
  overflow: auto;
  max-height: 360px;
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-word;
}

.status { padding: 0.5rem; border-radius: 4px; margin: 0.5rem 0; }
.status.ok { background: #e3f1e3; color: var(--ok); border: 1px solid var(--ok); }
.status.err { background: #f5e3e3; color: var(--err); border: 1px solid var(--err); }
.status.warn { background: #f5eed3; color: var(--warn); border: 1px solid var(--warn); }
.status.info { background: var(--bg-soft); color: var(--fg-muted); border: 1px solid var(--border); }

.muted { color: var(--fg-muted); font-size: 0.9rem; }

.kv { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.85rem; }

.row { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }

iframe { display: block; }

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

.hidden { display: none !important; }

.approval-card {
  max-width: 32rem;
  padding: 1rem 1.25rem;
}
.approval-card-toplevel {
  margin-top: 3rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.approval-display-text {
  font-size: 1rem;
  line-height: 1.45;
  margin: 0.5rem 0 0.25rem;
}
.approval-meta { margin-top: 0; }
.approval-actions { display: flex; gap: 0.5rem; margin-top: 0.75rem; }
.approval-actions button { padding: 0.6rem 1rem; }
.approval-actions button:not(.secondary) {
  background: #111;
  color: #fff;
  border-color: #111;
}
.approval-actions button:not(.secondary):hover { background: #000; }
.approval-actions button:not(.secondary):disabled { background: #444; border-color: #444; }
.approval-details { margin-top: 1rem; }
.approval-return-hint { margin-top: 0.75rem; }
.approval-manual-hint { margin-top: 0.75rem; font-size: 0.95rem; }
.approval-manual-hint a { font-weight: 600; }
.approval-close-now { margin-left: 0.5rem; padding: 0.3rem 0.6rem; font-size: 0.85rem; }