* { box-sizing: border-box; }
body { font-family: system-ui, sans-serif; margin: 0; padding: 1.5rem; background: #f6f7f9; color: #1a1a1a; }
.header h1 { margin: 0 0 0.25rem; font-size: 1.35rem; }
.muted { color: #5c6370; margin: 0; font-size: 0.9rem; }
.table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.table th, .table td { text-align: left; padding: 0.65rem 0.85rem; border-bottom: 1px solid #e8eaed; vertical-align: top; }
.table th { background: #eef1f6; font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
.table tr:last-child td { border-bottom: none; }
.ok { color: #0d6832; font-weight: 600; }
.bad { color: #b00020; }
.small { font-size: 0.85rem; }
.inline-form { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.btn { border: 1px solid #c5cad3; background: #fff; border-radius: 6px; padding: 0.25rem 0.5rem; font-size: 0.8rem; cursor: pointer; }
.btn-on { background: #e3f4e8; border-color: #8fce9a; }
.btn-off { background: #fde8e8; border-color: #e5989b; }
code { font-size: 0.85em; background: #f0f1f3; padding: 0.1em 0.35em; border-radius: 4px; }

.login-wrap { max-width: 22rem; }
.login-card { background: #fff; border-radius: 8px; padding: 1.25rem; box-shadow: 0 1px 3px rgba(0,0,0,.08); display: flex; flex-direction: column; gap: 1rem; }
.login-label { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.85rem; font-weight: 600; }
.login-input { font: inherit; padding: 0.5rem 0.65rem; border: 1px solid #c5cad3; border-radius: 6px; }
.login-submit { align-self: flex-start; padding: 0.45rem 1rem; font-size: 0.9rem; }
.login-error { margin: 0 0 1rem; padding: 0.65rem 0.85rem; background: #fde8e8; border-radius: 6px; font-size: 0.9rem; }
.toolbar { display: flex; justify-content: flex-end; margin-bottom: 0.75rem; }
.toolbar a { font-size: 0.85rem; color: #3d5a99; }

.card { background: #fff; border-radius: 8px; padding: 1rem 1.25rem; margin-bottom: 1.25rem; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.card h2 { margin: 0 0 0.75rem; font-size: 1.05rem; }
.rules-form fieldset { border: 1px solid #e8eaed; border-radius: 8px; padding: 0.75rem; margin-bottom: 1rem; }
.rules-form legend { font-weight: 600; padding: 0 0.35rem; }
.rules-form label { display: flex; flex-direction: column; gap: 0.2rem; font-size: 0.8rem; margin-bottom: 0.5rem; max-width: 32rem; }
.rules-form select.login-input { width: 100%; max-width: 32rem; background: #fff; }
.table a { color: #3d5a99; }

.badge { display: inline-block; font-size: 0.75rem; font-weight: 600; padding: 0.15em 0.55em; border-radius: 4px; background: #e8eaed; color: #1a1a1a; }
.badge-sent { background: #e3f4e8; color: #0d6832; }
.badge-deferred { background: #fff4cc; color: #7a5800; }
.badge-bounced { background: #fde8e8; color: #b00020; }

@media (max-width: 640px) {
  body { padding: 0.75rem; }
  .table-wrap { overflow-x: auto; }
  .table { min-width: 480px; }
  .rules-form fieldset { padding: 0.5rem; }
  .rules-form label { max-width: 100%; }
  .login-wrap { max-width: 100%; }
  .inline-form { flex-direction: column; }
  .toolbar { flex-wrap: wrap; gap: 0.25rem; justify-content: flex-start; }
}