.alerts-operations-shell {
  display: grid;
  gap: 18px;
}

.alerts-operations-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.alerts-worker-box {
  min-width: 260px;
  display: grid;
  justify-items: end;
  gap: 6px;
  text-align: right;
}

.alerts-worker-badge,
.alert-state-badge,
.alert-severity-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, .28);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .02em;
  white-space: nowrap;
}

.worker-ok,
.state-normalized,
.state-closed { color: #8ef0c0; background: rgba(20, 184, 116, .12); border-color: rgba(20, 184, 116, .38); }
.worker-stale,
.state-acknowledged { color: #f4d27b; background: rgba(245, 158, 11, .12); border-color: rgba(245, 158, 11, .36); }
.worker-error,
.state-active { color: #ff9a9a; background: rgba(239, 68, 68, .13); border-color: rgba(239, 68, 68, .38); }
.worker-unknown { color: #aab7c6; background: rgba(148, 163, 184, .10); }

.alerts-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: 12px;
}

.alerts-summary-card {
  min-height: 112px;
  padding: 16px;
  border-radius: 14px;
  border: 1px solid rgba(80, 169, 191, .24);
  background: linear-gradient(155deg, rgba(12, 38, 51, .95), rgba(7, 26, 38, .98));
  box-shadow: 0 12px 25px rgba(0, 0, 0, .16);
}
.alerts-summary-card span { display: block; color: #8fa7b4; font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.alerts-summary-card strong { display: block; margin-top: 10px; color: #fff; font-size: 2rem; line-height: 1; }
.alerts-summary-card small { display: block; margin-top: 9px; color: #77909e; }
.alerts-summary-card.summary-critical { border-color: rgba(239, 68, 68, .42); }

.alert-events-panel,
.alert-config-panel {
  border: 1px solid rgba(70, 153, 177, .25);
  border-radius: 16px;
  background: rgba(5, 26, 38, .78);
  padding: 18px;
}

.alert-events-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.alert-events-filters { display: flex; flex-wrap: wrap; gap: 10px; }
.alert-events-filters label { display: grid; gap: 5px; color: #9db0bb; font-size: .78rem; }
.alert-events-filters select { min-width: 145px; }

.alert-events-table-wrap { overflow-x: auto; border-radius: 12px; border: 1px solid rgba(90, 154, 174, .18); }
.alert-events-table { width: 100%; border-collapse: collapse; min-width: 980px; }
.alert-events-table th,
.alert-events-table td { padding: 12px 10px; border-bottom: 1px solid rgba(92, 143, 160, .14); text-align: left; vertical-align: middle; }
.alert-events-table th { color: #91a9b5; font-size: .72rem; text-transform: uppercase; letter-spacing: .07em; background: rgba(8, 35, 48, .92); }
.alert-events-table td { color: #d8e4e9; font-size: .84rem; }
.alert-events-table td strong { display: block; color: #f7fbfc; }
.alert-events-table td small { display: block; color: #78909c; margin-top: 3px; }
.alert-event-empty { text-align: center !important; padding: 28px !important; color: #8299a5 !important; }
.alert-event-row.severity-critical { box-shadow: inset 3px 0 0 rgba(239, 68, 68, .9); }
.alert-event-row.severity-high { box-shadow: inset 3px 0 0 rgba(249, 115, 22, .85); }
.alert-event-row.severity-warning { box-shadow: inset 3px 0 0 rgba(245, 158, 11, .72); }
.alert-event-row.severity-info { box-shadow: inset 3px 0 0 rgba(56, 189, 248, .72); }

.alert-severity-badge.severity-critical { color: #ff9a9a; border-color: rgba(239, 68, 68, .4); background: rgba(239, 68, 68, .12); }
.alert-severity-badge.severity-high { color: #ffc089; border-color: rgba(249, 115, 22, .4); background: rgba(249, 115, 22, .12); }
.alert-severity-badge.severity-warning { color: #f5d585; border-color: rgba(245, 158, 11, .38); background: rgba(245, 158, 11, .1); }
.alert-severity-badge.severity-info { color: #8edfff; border-color: rgba(56, 189, 248, .38); background: rgba(56, 189, 248, .1); }

.alert-event-action { min-width: 92px; padding: 8px 11px; font-size: .78rem; }
.alert-config-panel details > summary { cursor: pointer; color: #e7f4f7; font-weight: 800; font-size: 1rem; }
.alert-config-panel details[open] > summary { margin-bottom: 18px; }

.alerts-table.alerts-advanced-table { min-width: 1060px; }
.alerts-table .alert-rule-compact { min-width: 90px; }
.alerts-table select[data-alert-field="severity"] { min-width: 112px; }
.alerts-table input[data-alert-field="delaySeconds"],
.alerts-table input[data-alert-field="consecutiveSamples"],
.alerts-table input[data-alert-field="hysteresis"] { width: 88px; }

@media (max-width: 980px) {
  .alerts-summary-grid { grid-template-columns: repeat(2, minmax(140px, 1fr)); }
  .alerts-operations-head { flex-direction: column; }
  .alerts-worker-box { min-width: 0; justify-items: start; text-align: left; }
}

@media (max-width: 700px) {
  .alerts-summary-grid { grid-template-columns: 1fr 1fr; }
  .alert-events-toolbar { align-items: stretch; }
  .alert-events-filters { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
  .alert-events-filters label:last-child { grid-column: 1 / -1; }
  .alert-events-filters select { min-width: 0; width: 100%; }
  .alert-events-table-wrap { overflow: visible; border: 0; }
  .alert-events-table { min-width: 0; display: block; }
  .alert-events-table thead { display: none; }
  .alert-events-table tbody { display: grid; gap: 10px; }
  .alert-events-table tr { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; padding: 14px; border: 1px solid rgba(80, 153, 174, .24); border-radius: 12px; background: rgba(7, 31, 44, .92); }
  .alert-events-table td { display: grid; gap: 4px; padding: 0; border: 0; }
  .alert-events-table td::before { content: attr(data-label); color: #78909c; font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; }
  .alert-events-table td:nth-child(3) { grid-column: 1 / -1; }
}

@media (max-width: 430px) {
  .alerts-summary-grid { grid-template-columns: 1fr; }
  .alert-events-filters { grid-template-columns: 1fr; }
  .alert-events-filters label:last-child { grid-column: auto; }
  .alert-events-table tr { grid-template-columns: 1fr; }
  .alert-events-table td:nth-child(3) { grid-column: auto; }
}