.alarm-monitor { max-width: 900px; margin: 0 auto; padding: 30px 24px; }
.dashboard-heading .eyebrow { color: var(--ocean); letter-spacing: .24em; }
.dashboard-heading h1 { display: flex; align-items: center; justify-content: space-between; font-size: clamp(30px, 6vw, 48px); margin: 12px 0; }
.dashboard-heading p { color: #b8ccdc; margin: 8px 0; }
.bell { width: 30px; height: 30px; color: var(--ocean); flex-shrink: 0; }
.monitor-updated { font-size: 12px; line-height: 1.6; }
.overall-status { padding: 20px 14px; border: 1px solid currentColor; border-radius: 12px; text-align: center; letter-spacing: .08em; font-size: clamp(16px, 4vw, 23px); font-weight: 700; background: #17303a; margin: 24px 0 18px; }
[data-status='normal'] { color: #89e5b3; }
[data-status='alarm'] { color: #ff939b; }
[data-status='unavailable'] { color: #f3ce82; }
.overall-status[data-status='normal'] { background: #103b35; }
.overall-status[data-status='alarm'] { background: #442331; }
.overall-status[data-status='unavailable'] { background: #383326; }
.alerts-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; align-items: start; }
.alarm-card { min-width: 0; border: 1px solid #31536a; border-radius: 14px; background: linear-gradient(145deg,#122e46,#091b2e); overflow-wrap: anywhere; }
.alarm-card summary { display: flex; flex-direction: column; align-items: center; padding: 18px 10px 12px; cursor: pointer; list-style: none; text-align: center; }
.alarm-card summary::-webkit-details-marker { display: none; }
.alarm-card summary::after { content: '+ Details'; color: #87ddef; font-size: 11px; margin-top: 12px; }
.alarm-card[open] summary::after { content: '− Details'; }
.alarm-card summary:focus-visible { outline: 3px solid #87ddef; outline-offset: -4px; border-radius: 14px; }
.alarm-card .eyebrow { display: none; }
.alarm-name { order: -4; font-size: 15px; letter-spacing: .13em; text-transform: uppercase; color: #a5ebf7; }
.alarm-measurement { order: -3; font-size: clamp(38px,7vw,58px); line-height: 1.1; font-variant-numeric: tabular-nums; color: #e3f6ff; margin-top: 12px; }
.alarm-unit { order: -2; font-size: 12px; color: #b8ccdc; }
.metric-unavailable { order: -1; font-size: 11px; color: #b8ccdc; margin: 8px 0 4px; }
.alarm-state { font-size: 13px; font-weight: 700; min-height: 34px; display: flex; align-items: center; justify-content: center; }
.alarm-shared { font-size: 10px; line-height: 1.4; color: #b8ccdc; margin: 2px 0 6px; }
.alarm-shared[hidden] { display: none; }
.alarm-threshold { border-top: 1px solid #31536a; padding-top: 10px; margin-top: 8px; font-size: 11px; line-height: 1.5; color: #b8ccdc; width: 100%; }
.alarm-content { border-top: 1px solid #31536a; margin: 0 12px; padding: 12px 0; font-size: 12px; line-height: 1.6; color: #b8ccdc; }
.alarm-content p, .alarm-content dl { margin: 0; }
.alarm-content dt { color: #e3f6ff; margin-top: 10px; }
.alarm-content dd { margin: 0; }
.alerts-note, .activity-note { color: #b8ccdc; font-size: 12px; line-height: 1.6; }
.activity-panel { border: 1px solid #31536a; border-radius: 14px; padding: 18px; margin-top: 20px; background: #0d2439; }
.activity-panel h2 { font-size: 20px; margin: 0 0 8px; }
#alarm-activity { list-style: none; padding: 0; margin: 0; }
#alarm-activity li { padding: 12px 0; border-top: 1px solid #31536a; color: #b8ccdc; font-size: 13px; }
#alarm-activity strong, #alarm-activity span { display: block; }
#alarm-activity strong { color: #e3f6ff; margin-bottom: 4px; }
.monitor-connection { font-size: 13px; text-align: center; padding: 14px 0 0; }
.monitor-connection::before { content: '●'; margin-right: 8px; }
.monitor-placeholder { grid-column: 1 / -1; color: #f3ce82; padding: 18px; }
.alarm-monitor + footer { margin-top: 20px; }
nav a[aria-current='page'] { color: var(--ink); text-decoration: underline; text-underline-offset: 5px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
@media(max-width:760px) {
  .alarm-monitor { padding: 20px 14px; }
  .site-header { padding-top: 16px; padding-bottom: 12px; }
  .site-header nav { gap: 0 14px; }
  .site-header nav a { display: inline-flex; align-items: center; min-height: 44px; font-size: 12px; }
  .alerts-grid { gap: 8px; }
  .alarm-card summary { padding: 16px 6px 10px; }
  .alarm-name { font-size: 13px; }
}
@media(max-width:340px) { .alerts-grid { grid-template-columns: 1fr; } .alarm-card summary { padding: 16px; } }