:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1f2430;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --danger: #dc2626;
  --success: #16a34a;
  --border: #e5e7eb;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 0.8rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.brand { font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; }
nav { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
nav a { color: var(--accent); text-decoration: none; font-size: 0.95rem; }
nav a:hover { text-decoration: underline; }
.who { color: var(--muted); font-size: 0.85rem; }
.wrap { max-width: 900px; margin: 2rem auto; padding: 0 1.2rem; }
h1 { font-size: 1.5rem; margin-bottom: 0.3rem; }
h2 { font-size: 1.15rem; margin-top: 2rem; }
.subtitle { color: var(--muted); margin-top: 0; margin-bottom: 1.5rem; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.4rem;
  margin-bottom: 1.2rem;
}
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
label { display: block; font-weight: 600; margin: 0.8rem 0 0.3rem; font-size: 0.9rem; }
input[type=text], input[type=email], input[type=password], input[type=number], textarea, select {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: inherit;
}
textarea { resize: vertical; }
.help { color: var(--muted); font-size: 0.82rem; margin-top: 0.2rem; }
button, .btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.55rem 1.1rem;
  border-radius: 6px;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  margin-top: 1rem;
}
button:hover, .btn:hover { background: var(--accent-dark); }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #b91c1c; }
.btn-secondary { background: #6b7280; }
.btn-secondary:hover { background: #4b5563; }
table { width: 100%; border-collapse: collapse; margin-top: 0.5rem; }
th, td { text-align: left; padding: 0.6rem 0.5rem; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; }
.pill {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  background: #eef2ff;
  color: var(--accent-dark);
}
.pill-super { background: #fef3c7; color: #92400e; }
.flash { padding: 0.7rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: 0.92rem; }
.flash-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.flash-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.list-address {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: #f1f5f9;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85rem;
}
.actions { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.center-box { max-width: 420px; margin: 4rem auto; }
.member-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #f1f5f9;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  font-size: 0.85rem;
  margin: 0.2rem 0.3rem 0.2rem 0;
}
.member-tag button { margin: 0; padding: 0 0.3rem; background: none; color: var(--danger); font-weight: 700; }
.member-tag button:hover { background: none; text-decoration: underline; }
small.count { color: var(--muted); }