/* Lean admin UI — no framework. */
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; background: #f5f6f8; color: #1c1e21; }

.nav { display: flex; align-items: center; gap: 4px; background: #232936; padding: 0 16px; height: 52px; }
.nav a { color: #c3c9d5; text-decoration: none; padding: 6px 12px; border-radius: 6px; font-size: 14px; }
.nav a:hover { background: #313a4d; color: #fff; }
.nav a.active { background: #3d4a66; color: #fff; }
.nav-brand { color: #fff; font-weight: 600; margin-right: 16px; }
.nav-spacer { flex: 1; }
.nav-user { color: #8a93a5; font-size: 13px; margin-right: 8px; }

.main { max-width: 1100px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font-size: 22px; margin: 8px 0 16px; }
h2 { font-size: 17px; margin: 24px 0 8px; }
.muted { color: #6b7280; font-size: 13px; }

.flash { background: #e8f4ea; border: 1px solid #bfe3c5; color: #1e5c2a; padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; font-size: 14px; }
.flash-error, .error { background: #fdecec; border: 1px solid #f5c6c6; color: #8a1f1f; padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; font-size: 14px; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; margin: 16px 0; }
.card { background: #fff; border: 1px solid #e3e6ea; border-radius: 10px; padding: 16px; text-decoration: none; color: inherit; }
.card:hover { border-color: #b9c2d0; }
.card-warn { border-color: #e7b8b8; background: #fdf7f7; }
.card-value { font-size: 26px; font-weight: 650; }
.card-label { color: #6b7280; font-size: 13px; margin-top: 2px; }

.table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid #e3e6ea; border-radius: 10px; overflow: hidden; font-size: 14px; }
.table th { text-align: left; background: #fafbfc; border-bottom: 1px solid #e3e6ea; padding: 9px 12px; font-weight: 600; font-size: 13px; color: #4b5563; }
.table td { border-bottom: 1px solid #eef0f3; padding: 9px 12px; vertical-align: middle; }
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: #fafbfd; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 550; }
.badge-active { background: #e3f5e6; color: #1e5c2a; }
.badge-pending { background: #fff4dd; color: #8a6116; }
.badge-bounced { background: #fdecec; color: #8a1f1f; }
.badge-disabled { background: #eceef1; color: #5b6472; }
.badge-confirmed { background: #e3f5e6; color: #1e5c2a; }
.badge-unsubscribed { background: #eceef1; color: #5b6472; }

.btn { display: inline-block; background: #2d63d8; color: #fff; border: none; border-radius: 7px; padding: 7px 14px; font-size: 14px; cursor: pointer; text-decoration: none; }
.btn:hover { background: #2452b8; }
.btn-secondary { background: #eceef1; color: #1c1e21; }
.btn-secondary:hover { background: #dde1e6; }
.btn-danger { background: #c53030; }
.btn-danger:hover { background: #a52626; }
.btn-sm { padding: 4px 10px; font-size: 13px; }
.btn-link { background: none; color: #c3c9d5; padding: 6px 8px; font-size: 13px; }
.btn-link:hover { background: #313a4d; color: #fff; }

.form { background: #fff; border: 1px solid #e3e6ea; border-radius: 10px; padding: 20px; max-width: 640px; }
.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-size: 13px; font-weight: 600; color: #374151; margin-bottom: 4px; }
.form-row input[type=text], .form-row input[type=email], .form-row input[type=password], .form-row input[type=number], .form-row input[type=date],
.form-row select, .form-row textarea {
  width: 100%; padding: 8px 10px; border: 1px solid #cfd5dd; border-radius: 7px; font-size: 14px; background: #fff;
}
.form-row .hint { color: #6b7280; font-size: 12px; margin-top: 3px; }
.form-actions { display: flex; gap: 8px; margin-top: 18px; }
.inline-form { display: inline; }
.checkbox-row { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.checkbox-row input { width: auto; }

.toolbar { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar form { display: flex; gap: 8px; align-items: center; }
.toolbar input[type=text], .toolbar input[type=search], .toolbar select { padding: 7px 10px; border: 1px solid #cfd5dd; border-radius: 7px; font-size: 14px; }
.toolbar-spacer { flex: 1; }

.pagination { display: flex; gap: 6px; margin-top: 14px; align-items: center; font-size: 14px; }
.pagination a { padding: 5px 10px; border: 1px solid #cfd5dd; border-radius: 6px; text-decoration: none; color: #1c1e21; background: #fff; }
.pagination a:hover { border-color: #8fa0b8; }
.pagination .current { padding: 5px 10px; font-weight: 600; }

.addr-error { color: #8a1f1f; font-size: 12px; }
.warn-box { background: #fff8e6; border: 1px solid #eddcae; color: #7a5b12; padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; font-size: 14px; }

.login-wrap { max-width: 360px; margin: 80px auto; }
.login-wrap h1 { text-align: center; }