:root {
  --bg: #f7f7f5; --surface: #fff; --text: #1d1d1b; --muted: #6b6b66; --line: #e2e1dc;
  --accent: #2f5bd3; --accent-text: #fff; --danger: #b3261e; --ok: #1e7a3c; --warn: #9a6200;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #161615; --surface: #1f1f1d; --text: #ecebe6; --muted: #a4a39c; --line: #34332f;
    --accent: #7f9cf0; --accent-text: #0e1320; --danger: #f2877f; --ok: #6fcf8e; --warn: #e8b35a; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif; }
.wrap { max-width: 640px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 24px; line-height: 1.3; margin: 0 0 16px; }
h2 { font-size: 18px; margin: 32px 0 12px; }
p { margin: 0 0 12px; }
code { font-size: 14px; background: var(--surface); border: 1px solid var(--line); border-radius: 4px; padding: 1px 6px; word-break: break-all; }
.muted { color: var(--muted); font-size: 14px; }
label { display: block; font-weight: 600; margin: 16px 0 4px; }
label.check { font-weight: 400; display: flex; gap: 8px; align-items: center; margin: 8px 0; }
input[type=password], input:not([type]), input[type=text], input[type=email], select {
  width: 100%; min-height: 44px; padding: 8px 12px; font: inherit; color: var(--text);
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
input:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.row { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
button { min-height: 44px; padding: 8px 16px; font: inherit; font-weight: 600; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--accent); background: var(--accent); color: var(--accent-text); }
button.secondary { background: transparent; color: var(--text); border-color: var(--line); }
button.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.error { color: var(--danger); border-left: 3px solid var(--danger); padding-left: 12px; }
.notice { border-left: 3px solid var(--ok); padding-left: 12px; }
.list { list-style: none; padding: 0; margin: 0 0 16px; display: grid; gap: 12px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.card-head { display: flex; justify-content: space-between; gap: 8px; align-items: center; flex-wrap: wrap; word-break: break-all; }
.badge { font-size: 13px; font-weight: 600; padding: 2px 8px; border-radius: 999px; border: 1px solid currentColor; }
.badge.ok { color: var(--ok); } .badge.warn { color: var(--warn); }
form.inline { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); }
form.inline label:first-of-type { margin-top: 0; }
form.inline button { margin-top: 8px; }
section { margin-bottom: 24px; }
.badges { display: flex; gap: 6px; flex-wrap: wrap; }
.badge:not(.ok):not(.warn) { color: var(--muted); }
a { color: var(--accent); }
dl.mail { display: grid; grid-template-columns: max-content 1fr; gap: 8px 16px; margin: 16px 0; }
dl.mail dt { color: var(--muted); font-size: 14px; }
dl.mail dd { margin: 0; word-break: break-all; }
pre.mail-body { white-space: pre-wrap; word-break: break-word; font: inherit; margin: 0 0 12px; padding: 16px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px; max-height: 60vh; overflow: auto; }
@media (max-width: 480px) { dl.mail { grid-template-columns: 1fr; gap: 2px 0; } dl.mail dd { margin-bottom: 8px; } }
form + p { margin-top: 16px; }
button:disabled { background: transparent; color: var(--muted); border-color: var(--line); cursor: not-allowed; }