/* RF Monitoring Systems demo — shared materials, layout and responsive components. */
:root {
  color-scheme: dark;
  --page: #0b101a;
  --surface: rgba(27, 35, 49, .82);
  --solid: #182130;
  --inner: rgba(148, 168, 200, .075);
  --sidebar: rgba(16, 23, 35, .93);
  --text: #f3f6fc;
  --muted: #b1bdcf;
  --subtle: #98a7be;
  --border: rgba(202, 220, 249, .14);
  --shine: rgba(255, 255, 255, .10);
  --shadow: 0 12px 32px rgba(0, 0, 0, .16), inset 0 1px 0 var(--shine);
  --red: #ff8f88;
  --red-soft: rgba(242, 77, 67, .12);
  --amber: #f4c46b;
  --amber-soft: rgba(233, 175, 67, .11);
  --green: #6bd7ad;
  --green-soft: rgba(45, 185, 130, .11);
  --purple: #b6b2ff;
  --purple-soft: rgba(151, 133, 245, .12);
  --ambient-blue: rgba(72, 110, 178, .15);
  --ambient-red: rgba(162, 51, 67, .12);
  --alarm: rgba(47, 29, 39, .85);
  --alarm-border: rgba(250, 112, 102, .35);
  --sidebar-width: 232px;
}
:root[data-theme="light"] {
  color-scheme: light;
  --page: #edf1f7;
  --surface: rgba(255, 255, 255, .81);
  --solid: #ffffff;
  --inner: rgba(218, 228, 242, .36);
  --sidebar: rgba(244, 247, 252, .93);
  --text: #172338;
  --muted: #52627a;
  --subtle: #5e6c81;
  --border: rgba(87, 113, 148, .16);
  --shine: rgba(255, 255, 255, .94);
  --shadow: 0 8px 28px rgba(42, 66, 105, .06), inset 0 1px 0 var(--shine);
  --red: #b92925;
  --red-soft: rgba(214, 52, 42, .07);
  --amber: #845609;
  --amber-soft: rgba(199, 145, 42, .10);
  --green: #096c4b;
  --green-soft: rgba(24, 150, 106, .08);
  --purple: #6050bc;
  --purple-soft: rgba(118, 97, 210, .08);
  --ambient-blue: rgba(126, 164, 222, .15);
  --ambient-red: rgba(239, 176, 178, .16);
  --alarm: rgba(255, 255, 255, .90);
  --alarm-border: rgba(211, 70, 62, .25);
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--page); color: var(--text); font: 14px/1.5 Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; overflow: hidden; }
button, input, select { font: inherit; }
button, a, input, select { -webkit-tap-highlight-color: transparent; }
button, select { cursor: pointer; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--purple); outline-offset: 3px; }
button:disabled { cursor: default; opacity: .6; }
svg { display: block; flex-shrink: 0; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: clamp(25px, 2.3vw, 34px); line-height: 1.2; letter-spacing: -.04em; }
h2 { font-size: 16px; line-height: 1.4; letter-spacing: -.02em; }
h3 { font-size: 14px; }
small { font-size: 12px; }
[hidden] { display: none !important; }
.icon { width: 20px; height: 20px; }
.muted { color: var(--muted); }
.subtle { color: var(--subtle); }
.eyebrow { text-transform: uppercase; letter-spacing: .13em; font-size: 10px; font-weight: 700; color: var(--subtle); }
.red { color: var(--red); } .amber { color: var(--amber); } .green { color: var(--green); } .purple { color: var(--purple); }
.shell { height: 100vh; height: 100dvh; background: radial-gradient(ellipse at 95% 0%, var(--ambient-red), transparent 45%), radial-gradient(ellipse at 18% 55%, var(--ambient-blue), transparent 65%), var(--page); }
.sidebar { position: fixed; inset: 0 auto 0 0; width: var(--sidebar-width); padding: 28px 18px 20px; display: flex; flex-direction: column; gap: 30px; background: var(--sidebar); border-right: 1px solid var(--border); z-index: 20; backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); overflow-y: auto; }
.brand { display: flex; align-items: center; padding: 10px 8px; min-height: 46px; background: #f7f9fd; border: 1px solid rgba(87,113,148,.12); border-radius: 11px; }
.brand img { display: block; width: 100%; height: auto; object-fit: contain; }
.nav-label { padding: 0 14px; margin-bottom: 12px; }
.nav-links { display: grid; gap: 6px; }
.nav-link { display: flex; align-items: center; gap: 12px; min-height: 44px; padding: 11px 13px; border: 1px solid transparent; border-radius: 12px; color: var(--muted); font-size: 13px; font-weight: 550; }
.nav-link[aria-current] { color: var(--text); background: var(--red-soft); border-color: var(--alarm-border); box-shadow: inset 2px 0 0 #e3312b; }
.nav-link[aria-current] .icon { color: var(--red); }
.nav-count { margin-left: auto; font-size: 11px; border-radius: 6px; padding: 1px 7px; background: var(--red-soft); color: var(--red); }
.sidebar-bottom { margin-top: auto; display: grid; gap: 18px; }
.operator { display: flex; gap: 10px; align-items: center; padding: 0 6px; }
.avatar { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 11px; background: var(--purple-soft); color: var(--purple); font-weight: 700; font-size: 12px; }
.operator small { display: block; color: var(--subtle); font-size: 11px; }
.workspace { margin-left: var(--sidebar-width); height: 100%; overflow-y: auto; overflow-x: hidden; scrollbar-gutter: stable; scroll-padding-top: 24px; }
.content { max-width: 1720px; margin: 0 auto; padding: 24px 32px 32px; display: grid; gap: 24px; }
.topbar { display: flex; gap: 16px; align-items: center; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.breadcrumb { color: var(--subtle); font-size: 12px; display: flex; align-items: center; gap: 10px; }
.breadcrumb strong { color: var(--text); font-weight: 550; }
.toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 5px 9px; border-radius: 7px; font-size: 11px; font-weight: 650; white-space: nowrap; background: var(--inner); border: 1px solid var(--border); }
.badge.red { background: var(--red-soft); border-color: var(--alarm-border); }
.badge.amber { background: var(--amber-soft); }
.badge.green { background: var(--green-soft); }
.badge.purple { background: var(--purple-soft); }
.dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; display: inline-block; flex-shrink: 0; }
.button, .icon-button { min-height: 40px; border-radius: 11px; border: 1px solid var(--border); background: var(--inner); display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 9px 14px; font-size: 12px; font-weight: 650; box-shadow: inset 0 1px 0 var(--shine); }
.icon-button { width: 40px; padding: 9px; flex-shrink: 0; }
.button.primary { background: linear-gradient(180deg, #e63b34, #c72823); color: white; border-color: rgba(214, 60, 49, .6); box-shadow: 0 5px 16px rgba(201, 35, 29, .17), inset 0 1px 0 rgba(255, 255, 255, .2); }
.text-link { color: var(--purple); font-size: 12px; font-weight: 650; white-space: nowrap; }
.page-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.page-heading p { margin-top: 7px; font-size: 13px; color: var(--muted); }
.snapshot { font-size: 11px; color: var(--subtle); text-align: right; }
.snapshot strong { display: block; color: var(--muted); margin-bottom: 4px; font-size: 12px; font-weight: 550; }
.card { min-width: 0; border: 1px solid var(--border); border-radius: 20px; padding: 22px; background: linear-gradient(140deg, var(--shine), transparent 52%), var(--surface); box-shadow: var(--shadow); backdrop-filter: blur(22px) saturate(125%); -webkit-backdrop-filter: blur(22px) saturate(125%); }
.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.card-head p { font-size: 12px; color: var(--subtle); margin-top: 4px; }
.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.metric { padding: 18px 20px; }
.metric-top { display: flex; gap: 12px; justify-content: space-between; align-items: center; color: var(--muted); font-size: 12px; font-weight: 550; }
.metric-icon { width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; background: var(--inner); }
.metric-value { font-size: 30px; letter-spacing: -.045em; font-weight: 700; line-height: 1.2; margin: 10px 0 6px; }
.metric-value small { font-size: 16px; color: var(--subtle); font-weight: 500; letter-spacing: 0; }
.metric-foot { font-size: 11px; color: var(--subtle); }
.overview-grid { display: grid; grid-template-columns: minmax(0, 1.75fr) minmax(280px, 1fr); gap: 20px; align-items: start; }
.alarm-card { background: linear-gradient(135deg, var(--red-soft), transparent 60%), var(--alarm); border-color: var(--alarm-border); }
.alarm-heading { display: flex; justify-content: space-between; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }
.alarm-card h2 { font-size: clamp(21px, 2vw, 28px); letter-spacing: -.03em; line-height: 1.25; margin: 6px 0 10px; }
.alarm-location { font-size: 13px; color: var(--muted); }
.alarm-location strong { color: var(--text); }
.alarm-meta { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 20px 0; padding: 14px; gap: 14px; background: var(--inner); border: 1px solid var(--border); border-radius: 12px; }
.alarm-meta dt { font-size: 10px; color: var(--subtle); margin-bottom: 5px; }
.alarm-meta dd { margin: 0; font-size: 12px; font-weight: 600; }
.alarm-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.alarm-queue { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--border); }
.alarm-queue summary { cursor: pointer; color: var(--muted); font-size: 12px; font-weight: 550; }
.queue-row { display: flex; justify-content: space-between; gap: 12px; padding-top: 12px; font-size: 12px; }
.queue-row small { display: block; color: var(--subtle); font-size: 11px; }
.health-layout { display: flex; align-items: center; gap: 18px; margin-bottom: 20px; }
.health-ring { position: relative; width: 114px; flex-shrink: 0; }
.health-ring svg { width: 100%; height: auto; transform: rotate(-90deg); }
.ring-value { position: absolute; inset: 0; display: grid; align-content: center; justify-items: center; }
.ring-value strong { font-size: 23px; letter-spacing: -.04em; }
.ring-value small { font-size: 10px; color: var(--subtle); }
.health-legend { flex: 1; display: grid; gap: 10px; }
.stat-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 12px; }
.stat-row span { color: var(--muted); }
.notice { padding: 12px 14px; border-radius: 11px; background: var(--amber-soft); border: 1px solid var(--border); color: var(--amber); font-size: 12px; }
.notice strong { display: block; margin-bottom: 3px; }
.health-footer { margin-top: 14px; display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 11px; color: var(--subtle); }
.table-tools { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.search { position: relative; display: flex; align-items: center; gap: 8px; border: 1px solid var(--border); background: var(--inner); border-radius: 10px; padding: 0 10px; min-height: 38px; color: var(--subtle); }
.search input { min-width: 0; width: 200px; background: transparent; border: 0; color: var(--text); font-size: 12px; padding: 8px 0; }
input::placeholder { color: var(--subtle); }
select { min-height: 38px; max-width: 100%; background: var(--solid); color: var(--text); border: 1px solid var(--border); padding: 7px 30px 7px 10px; border-radius: 10px; font-size: 12px; }
.table-scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; text-align: left; font-size: 12px; }
th { font-size: 10px; font-weight: 650; letter-spacing: .07em; color: var(--subtle); text-transform: uppercase; padding: 0 12px 12px; white-space: nowrap; }
td { padding: 13px 12px; border-top: 1px solid var(--border); vertical-align: middle; color: var(--muted); }
td:first-child, th:first-child { padding-left: 0; }
td:last-child, th:last-child { padding-right: 0; }
td strong { display: block; color: var(--text); font-weight: 600; }
td small { display: block; font-size: 10px; color: var(--subtle); margin-top: 3px; }
.panel-table { min-width: 670px; }
.event-table { min-width: 550px; }
.empty-state { text-align: center; padding: 24px; color: var(--muted); font-size: 13px; }
.section-foot { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; border-top: 1px solid var(--border); padding-top: 14px; margin-top: 3px; font-size: 11px; color: var(--subtle); }
.bottom-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(280px, 1fr); gap: 20px; align-items: start; }
.task-list { display: grid; gap: 10px; }
.task { display: flex; align-items: flex-start; gap: 12px; padding: 13px; background: var(--inner); border: 1px solid var(--border); border-radius: 12px; }
.task-body { min-width: 0; flex: 1; }
.task h3 { font-size: 12px; }
.task p { color: var(--subtle); font-size: 11px; margin: 4px 0 8px; }
.task .icon { width: 17px; height: 17px; margin-top: 2px; color: var(--purple); }
.task.overdue { background: var(--red-soft); }
.task.overdue .icon { color: var(--red); }
.footer { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: var(--subtle); font-size: 11px; }
.footer strong { color: var(--muted); font-weight: 550; }
.mobile-menu, .sidebar-close, .nav-backdrop { display: none; }
.skip-link { position: fixed; top: -100px; left: 16px; padding: 10px 16px; background: var(--solid); border: 1px solid var(--border); border-radius: 10px; z-index: 100; }
.skip-link:focus { top: 12px; }
#theme-toggle .sun, :root[data-theme="light"] #theme-toggle .moon { display: none; }
:root[data-theme="light"] #theme-toggle .sun { display: block; }
/* Crossfade the entire rendered frame, including gradients and SVGs, together. */
::view-transition-old(root), ::view-transition-new(root) { animation-duration: 260ms; animation-timing-function: ease-in-out; }
::view-transition-group(root) { animation-duration: 260ms; }
dialog { width: min(560px, calc(100% - 32px)); max-height: calc(100dvh - 48px); margin: auto; padding: 24px; border: 1px solid var(--border); border-radius: 20px; background: var(--solid); color: var(--text); box-shadow: 0 24px 80px rgba(0,0,0,.35); }
dialog::backdrop { background: rgba(4, 10, 20, .55); backdrop-filter: blur(6px); }
.dialog-details { display: grid; grid-template-columns: 110px 1fr; gap: 12px; font-size: 13px; margin: 22px 0; }
.dialog-details dt { color: var(--subtle); }
.dialog-details dd { margin: 0; }
.dialog-note { color: var(--muted); font-size: 12px; margin-bottom: 18px; }
.toast { position: fixed; right: 24px; bottom: 24px; z-index: 60; max-width: min(420px, calc(100% - 32px)); padding: 14px 18px; background: var(--solid); color: var(--text); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); font-size: 13px; }
@media (hover: hover) { .nav-link:hover, .button:not(.primary):hover, .icon-button:hover { background: var(--purple-soft); } .text-link:hover { text-decoration: underline; } .button.primary:hover { filter: brightness(1.08); } }
@media (min-width: 1600px) { .content { padding: 28px 40px 36px; gap: 26px; } .card { padding: 24px; } }
@media (max-width: 1199px) { :root { --sidebar-width: 210px; } .content { padding: 20px; gap: 20px; } .overview-grid, .bottom-grid { grid-template-columns: minmax(0, 1fr); } .health-layout { max-width: 420px; } .health-card { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; } .health-card .card-head { grid-column: 1 / -1; } .health-card .health-layout { grid-row: span 2; margin-bottom: 0; } .metrics { gap: 12px; } .metric { padding: 16px; } .card-head { flex-wrap: wrap; } }
@media (max-width: 899px) { :root { --sidebar-width: 232px; } .sidebar { transform: translateX(-100%); visibility: hidden; transition: transform 180ms ease; } .sidebar.open { transform: translateX(0); visibility: visible; } .workspace { margin-left: 0; } .mobile-menu, .sidebar-close { display: inline-flex; } .sidebar-close { position: absolute; right: 12px; top: 82px; min-height: 30px; width: 30px; padding: 5px; } .nav-backdrop.open { display: block; position: fixed; inset: 0; background: rgba(5, 12, 23, .55); z-index: 19; border: 0; } .sidebar.open + .nav-backdrop { display: block; } .sidebar .nav-label { padding-right: 30px; } .breadcrumb { margin-right: auto; } }
@media (max-width: 599px) { .content { padding: 14px; gap: 18px; } .topbar { gap: 10px; padding-bottom: 14px; } .topbar .breadcrumb { display: none; } .toolbar { gap: 8px; } .page-heading { flex-direction: column; gap: 10px; } .snapshot { text-align: left; } .snapshot strong { display: inline; margin-right: 8px; } .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; } .metric { padding: 14px; border-radius: 15px; } .metric-top { gap: 6px; font-size: 11px; } .metric-icon { width: 26px; height: 26px; border-radius: 8px; } .metric-icon .icon { width: 16px; height: 16px; } .metric-value { font-size: 27px; } .card { padding: 18px; border-radius: 17px; } .metric.card { padding: 14px; } .alarm-meta { grid-template-columns: 1fr; gap: 10px; } .alarm-meta > div { display: flex; justify-content: space-between; gap: 12px; } .alarm-meta dt { margin: 0; } .alarm-actions .button { flex: 1; } .health-card { display: block; } .health-card .health-layout { margin-bottom: 18px; } .card-head { margin-bottom: 16px; } .table-tools { width: 100%; } .search { flex: 1; min-width: 140px; } .search input { width: 100%; } .table-tools select { flex: 1; } .queue-row { flex-direction: column; gap: 4px; } .footer { font-size: 10px; } .dialog-details { grid-template-columns: 90px 1fr; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0s !important; transition: none !important; scroll-behavior: auto !important; } }
@media (prefers-reduced-transparency: reduce) { .card, .sidebar { background: var(--solid); backdrop-filter: none; -webkit-backdrop-filter: none; } }
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) { .card, .sidebar { background: var(--solid); } }

/* Small screens retain every field without requiring horizontal table scrolling. */
@media (max-width:899px) {
  .topbar { position:sticky; top:0; z-index:10; background:var(--sidebar); border-radius:0 0 12px 12px; padding:12px; margin:-14px -6px 0; backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px); }
  .workspace { scroll-padding-top:88px; }
}
@media (max-width:599px) {
  .table-tools .search { flex-basis:100%; }
  .panel-table, .panel-table tbody, .event-table, .event-table tbody { display:block; min-width:0; }
  .panel-table thead, .event-table thead { position:absolute; width:1px; height:1px; padding:0; overflow:hidden; clip-path:inset(50%); }
  .panel-table tr { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:12px; padding:16px 0; border-top:1px solid var(--border); }
  .panel-table td { padding:0; border:0; overflow-wrap:anywhere; }
  .panel-table td:nth-child(2) { grid-column:1; grid-row:2; }
  .panel-table td:nth-child(3) { grid-column:2; grid-row:1; justify-self:end; }
  .panel-table td:nth-child(4) { grid-column:1 / -1; grid-row:3; }
  .panel-table td:nth-child(5) { grid-column:2; grid-row:2; }
  .panel-table td:nth-child(2)::before, .panel-table td:nth-child(4)::before, .panel-table td:nth-child(5)::before { content:attr(data-label); display:block; font-size:10px; color:var(--subtle); margin-bottom:3px; }
  .event-table tr { display:grid; grid-template-columns:64px minmax(0,1fr); gap:4px 10px; padding:13px 0; border-top:1px solid var(--border); }
  .event-table td { padding:0; border:0; overflow-wrap:anywhere; }
  .event-table td:last-child { grid-column:2; font-size:11px; }
}