:root {
  --brand: #c4121d;
  --brand-mid: #8a0f16;
  --brand-deep: #5c0a10;
  --bg: #f4f5f7;
  --panel: #ffffff;
  --text: #1d2327;
  --muted: #646970;
  --accent: #c4121d;
  --accent-2: #8a0f16;
  --danger: #b32d2e;
  --ok: #00a32a;
  --line: #dcdcde;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
}

/* Plugin-matching brand header */
.brandbar {
  max-width: 760px;
  margin: 16px auto 8px;
  border-radius: 12px;
  background: linear-gradient(100deg, var(--brand), var(--brand-mid) 60%, var(--brand-deep));
  color: #fff;
  padding: 15px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  box-shadow: 0 6px 20px rgba(140, 15, 22, 0.22);
}
.bb-title { display: flex; align-items: center; gap: 12px; min-width: 0; }
.bb-home {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
  min-width: 0;
}
.bb-logo {
  width: 28px;
  height: 28px;
  flex: none;
  background: #fff;
  border-radius: 6px;
  position: relative;
  transform: rotate(45deg);
}
.bb-logo::after {
  content: "";
  position: absolute;
  inset: 8px;
  background: var(--brand);
  border-radius: 2px;
}
.bb-name {
  font: 800 18px/1.15 var(--font);
  letter-spacing: -0.01em;
  display: block;
}
.bb-sub {
  font-size: 12.5px;
  opacity: 0.85;
  margin-top: 1px;
  display: block;
}
.bb-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
}
.bb-link {
  font: 600 13px/1 var(--font);
  color: #fff;
  background: transparent;
  border: none;
  padding: 7px 12px;
  border-radius: 7px;
  opacity: 0.82;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.bb-link:hover { background: rgba(255, 255, 255, 0.14); opacity: 1; }
.bb-link.is-active { background: rgba(255, 255, 255, 0.22); opacity: 1; }

main { max-width: 720px; margin: 0 auto; padding: 1rem 1.25rem 3rem; }
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.25rem 1.35rem;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}
h1 { font-size: 1.25rem; margin: 0 0 0.5rem; }
.hint, .muted { color: var(--muted); font-size: 0.92rem; }
.auth-official {
  margin: 0.85rem 0 0;
  padding: 0 0.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.45;
}
.auth-official a { color: var(--muted); }
label { display: block; margin: 0.75rem 0; font-size: 0.9rem; color: var(--muted); }
input, select {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  font: inherit;
}
.row { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 1rem; align-items: center; }
.row.between { justify-content: space-between; }
button {
  font: inherit;
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 0.55rem 1rem;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}
button:hover { background: var(--accent-2); }
button.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
  font-weight: 500;
}
button.ghost:hover { border-color: var(--muted); background: #f6f7f7; }
.msg { margin-top: 0.75rem; color: var(--danger); font-size: 0.9rem; }
.msg.ok { color: var(--ok); }
.banner {
  margin: 0 0 1rem;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  background: #edfaef;
  border: 1px solid #00a32a44;
  font-size: 0.9rem;
}
.banner strong { display: block; font-size: 0.95rem; margin-bottom: 0.25rem; color: #0a7a32; }
.banner .banner-sub { display: block; color: var(--muted); font-weight: 400; font-size: 0.88rem; }
.banner.warn {
  background: #fcf9e8;
  border-color: #dba61755;
}
.banner.warn strong { color: #996800; }
.section { margin-bottom: 1rem; }
.section h1 { margin-bottom: 0.75rem; }
.h2 { font-size: 0.95rem; margin: 1rem 0 0.35rem; font-weight: 600; }
.account-email { margin: 0; font-size: 1.05rem; font-weight: 600; }
.fine { font-size: 0.82rem; margin: 0.85rem 0 0; }
.sites-note { margin-top: 1rem; padding-top: 0.85rem; border-top: 1px solid var(--line); }
.pw-form label { margin-top: 0.5rem; }
.auth-links { margin: 0.75rem 0 0; }
button.linkish {
  background: none;
  border: none;
  color: var(--accent);
  padding: 0;
  font-weight: 500;
  text-decoration: underline;
  font-size: 0.9rem;
}
button.linkish:hover { color: var(--accent-2); background: none; }
.transfer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: flex-end;
  margin-top: 0.75rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--line);
}
.transfer-label {
  flex: 1 1 140px;
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
}
.transfer select,
.transfer input[type="number"] {
  margin-top: 0.25rem;
  width: 100%;
}
.transfer input[type="number"] {
  flex: 0 0 88px;
  width: 88px;
}
.legal-wrap { max-width: 720px; margin: 0 auto; padding: 1rem 1.25rem 3rem; }
.legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}
.legal-nav a { color: var(--muted); }
.legal-nav a.active { color: var(--accent); font-weight: 600; }
.legal-panel h1 { margin-bottom: 0.35rem; }
.legal-body h2 {
  font-size: 1rem;
  margin: 1.25rem 0 0.4rem;
}
.legal-body p, .legal-body li { color: var(--text); line-height: 1.55; font-size: 0.92rem; }
.legal-body ul { padding-left: 1.2rem; }
.legal-body a { color: var(--accent); }

.inline {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}
.inline input { width: auto; flex: 1 1 140px; margin: 0; }
.sites { display: flex; flex-direction: column; gap: 0.85rem; }
.card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.9rem 1rem;
  background: #fafafa;
}
.card h2 { font-size: 1rem; margin: 0 0 0.35rem; }
.bal { font-size: 1.35rem; font-weight: 700; color: var(--brand-mid); }
.actions { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.75rem; }
.keybox {
  margin-top: 0.35rem;
  padding: 0.55rem 0.65rem;
  background: #f0f0f1;
  border-radius: 6px;
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
  word-break: break-all;
  user-select: all;
}
.keyhint {
  margin: 0.65rem 0 0;
}
.usage { margin-top: 0.75rem; font-size: 0.82rem; color: var(--muted); }
.usage li { margin: 0.2rem 0; }
.foot {
  text-align: center;
  padding: 1rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.foot a { color: var(--accent); }

@media (max-width: 640px) {
  .brandbar { margin: 10px 12px 8px; padding: 14px; }
  .bb-nav { width: 100%; }
}