:root {
  --bg: #0f1419;
  --card: #1a2332;
  --border: #2d3a4f;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --ok: #22c55e;
  --err: #ef4444;
  --warn: #f59e0b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover, .nav .brand { color: var(--text); }
.nav .brand { font-weight: 700; color: var(--accent); }
.nav .spacer { flex: 1; }
.nav .user { color: var(--muted); font-size: 0.9rem; }
.container { max-width: 1100px; margin: 0 auto; padding: 1.5rem; }
h1 { margin: 0 0 1rem; font-size: 1.75rem; }
h2 { margin: 0 0 0.75rem; font-size: 1.15rem; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}
.card.narrow { max-width: 420px; }
.narrow-form { max-width: 420px; }
.narrow-form label:first-of-type { margin-top: 0; }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.card-header h2 { margin: 0; }
.grid { display: grid; gap: 1rem; }
.grid.stats { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
.grid.two-col { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.stat { text-align: center; padding: 1rem; }
.stat .num { display: block; font-size: 2rem; font-weight: 700; color: var(--accent); }
.stat .lbl { color: var(--muted); font-size: 0.85rem; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 0.6rem 0.5rem; text-align: left; border-bottom: 1px solid var(--border); }
.table.compact td, .table.compact th { padding: 0.35rem 0.5rem; font-size: 0.9rem; }
.table .right { text-align: right; }
.mono, code, pre { font-family: ui-monospace, monospace; font-size: 0.85rem; }
.dns-table .mono { word-break: break-all; }
label { display: block; margin: 0.75rem 0 0.25rem; color: var(--muted); font-size: 0.9rem; }
input[type=text], input[type=email], input[type=password], input[type=number] {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
}
.input-group { display: flex; align-items: center; }
.input-group input { flex: 1; border-radius: 6px 0 0 6px; }
.input-group .suffix { padding: 0.6rem; background: var(--border); border-radius: 0 6px 6px 0; color: var(--muted); }
.btn-primary, .btn-secondary, .btn-danger, .btn-sm {
  display: inline-block;
  padding: 0.55rem 1rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.95rem;
  text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--border); color: var(--text); }
.btn-danger { background: var(--err); color: #fff; }
.btn-sm { padding: 0.35rem 0.65rem; font-size: 0.85rem; }
.btn-link { color: var(--accent); margin-left: 0.5rem; }
.inline-form { display: inline; margin: 0; }
.actions-cell { white-space: nowrap; }
.actions-cell form.inline-form { margin-left: 0.35rem; }
.actions-cell .btn-sm { padding: 0.2rem 0.5rem; font-size: 0.8rem; vertical-align: middle; }
.alert { padding: 0.75rem 1rem; border-radius: 6px; margin-bottom: 1rem; }
.alert-success, .alert.success { background: rgba(34,197,94,0.15); border: 1px solid var(--ok); }
.alert-error, .alert.error { background: rgba(239,68,68,0.15); border: 1px solid var(--err); }
.badge { padding: 0.2rem 0.5rem; border-radius: 4px; font-size: 0.75rem; background: var(--border); }
.badge.ok { background: rgba(34,197,94,0.2); color: var(--ok); }
.muted { color: var(--muted); }
.hint { font-size: 0.85rem; color: var(--muted); margin: 0.25rem 0 0.75rem; }
.login-card { max-width: 380px; margin: 4rem auto; padding: 2rem; background: var(--card); border-radius: 12px; border: 1px solid var(--border); }
.login-card h1 { margin-bottom: 0.25rem; }
.breadcrumb { margin-bottom: 0.5rem; color: var(--muted); font-size: 0.9rem; }
.breadcrumb a { color: var(--accent); }
.danger-zone { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.copy-btn { font-size: 0.75rem; padding: 0.2rem 0.4rem; margin-left: 0.5rem; cursor: pointer; }
.mt { margin-top: 1rem; }
.success-msg { color: var(--ok); }
.dkim-chunk { word-break: break-all; white-space: pre-wrap; background: var(--bg); padding: 0.5rem; border-radius: 4px; margin: 0.35rem 0; font-size: 0.8rem; }

/* Test email modal */
body.modal-open { overflow: hidden; }
.modal { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.modal[hidden] { display: none !important; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.65); }
.modal-dialog {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}
.modal-dialog h2 { margin: 0 0 0.5rem; font-size: 1.25rem; }
.modal-from { margin: 0 0 0.5rem; }
.modal-close-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.25rem;
}
.modal-close-btn:hover { color: var(--text); }
.modal-actions { display: flex; gap: 0.75rem; justify-content: flex-end; margin-top: 1rem; }
.btn-test { background: transparent; border: 1px solid var(--border); color: var(--accent); padding: 0.25rem 0.6rem; border-radius: 4px; cursor: pointer; font-size: 0.85rem; }
.btn-test:hover { background: var(--border); color: var(--text); }