:root {
  color-scheme: light;
  --ink: #172229;
  --muted: #63727a;
  --line: #dfe7e8;
  --paper: #f6f8f7;
  --card: #ffffff;
  --accent: #0e7c66;
  --accent-dark: #095b4c;
  --healthy: #19744d;
  --degraded: #aa6b0c;
  --down: #b3323b;
  --unknown: #68737c;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  background: radial-gradient(circle at top right, #e2f0ec 0, transparent 35rem), var(--paper);
  color: var(--ink);
}

button, input, select { font: inherit; }

button { cursor: pointer; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 2;
  padding: .65rem .9rem;
  border-radius: .5rem;
  background: var(--ink);
  color: white;
}

.skip-link:focus { top: 1rem; }

.shell { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; padding: 2rem 0 3rem; }

.login-panel {
  width: min(460px, 100%);
  margin: 10vh auto 0;
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--card);
  box-shadow: 0 1rem 3rem rgba(31, 55, 60, .08);
}

.login-form { display: grid; gap: .55rem; margin-top: 1.5rem; }

label { font-size: .85rem; font-weight: 700; }

input, select { width: 100%; padding: .75rem .85rem; border: 1px solid #b9c8c9; border-radius: .55rem; background: white; color: var(--ink); }

input:focus, button:focus-visible { outline: 3px solid rgba(14, 124, 102, .25); outline-offset: 2px; }

h1, h2, p { margin-top: 0; }
h1 { margin-bottom: .5rem; font-size: clamp(2rem, 5vw, 3.4rem); letter-spacing: -.04em; }
h2 { margin-bottom: 0; font-size: 1.25rem; }

.topbar, .section-heading, .topbar-actions, .footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.topbar { margin-bottom: 1.5rem; }
.topbar-actions { flex-wrap: wrap; justify-content: flex-end; }
.operator-label { color: var(--muted); font-size: .85rem; }

.eyebrow { color: var(--accent); font-size: .7rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.muted { color: var(--muted); }

.button { padding: .65rem .9rem; border: 1px solid #b9c8c9; border-radius: .55rem; background: white; color: var(--ink); font-weight: 700; }
.button:hover { border-color: var(--accent); }
.button.small { padding: .45rem .65rem; font-size: .8rem; }
.button.primary { margin-top: .7rem; border-color: var(--accent); background: var(--accent); color: white; }
.button.primary:hover { background: var(--accent-dark); }
.button.subtle { border-color: transparent; background: transparent; color: var(--muted); }

.overview-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 1rem; }
.status-card, .metric-card, .section { border: 1px solid var(--line); border-radius: .9rem; background: rgba(255, 255, 255, .9); }
.status-card, .metric-card { min-height: 9rem; padding: 1.15rem; }
.status-card { border-top: .3rem solid var(--unknown); }
.status-card.healthy { border-top-color: var(--healthy); }
.status-card.degraded { border-top-color: var(--degraded); }
.status-card.down { border-top-color: var(--down); }
.status-card.unknown { border-top-color: var(--unknown); }
.card-label { color: var(--muted); font-size: .76rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.status-value { margin: .55rem 0 .25rem; font-size: 2rem; font-weight: 850; letter-spacing: -.04em; text-transform: capitalize; }
.metric-value { margin: .6rem 0 .2rem; font-size: 1.45rem; font-weight: 800; }

.count-list { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .65rem; }
.count-pill, .status-pill, .section-count { display: inline-flex; align-items: center; border-radius: 999px; padding: .27rem .55rem; font-size: .76rem; font-weight: 800; }
.count-pill { background: #edf2f1; color: var(--muted); }
.count-pill.healthy, .status-pill.healthy { background: #e5f3eb; color: var(--healthy); }
.count-pill.degraded, .status-pill.degraded { background: #fff2d9; color: var(--degraded); }
.count-pill.down, .status-pill.down { background: #fde7e8; color: var(--down); }
.count-pill.unknown, .count-pill.missing, .count-pill.not_configured, .status-pill.unknown, .status-pill.missing, .status-pill.not_configured { background: #edf0f2; color: var(--unknown); }
.status-pill { text-transform: capitalize; }

.notice { margin: 1rem 0; padding: .8rem 1rem; border-radius: .65rem; font-weight: 650; }
.notice.warning { border: 1px solid #e6c98d; background: #fff8e9; color: #79500c; }
.notice.success { border: 1px solid #a9d5bd; background: #edf9f1; color: var(--healthy); }
.notice.error, .form-error { border: 1px solid #e6b5b9; background: #fff0f1; color: #8c222b; }
.form-error { margin: .5rem 0 0; padding: .6rem .75rem; border-radius: .45rem; font-size: .85rem; }

.section { margin-top: 1.5rem; padding: 1.15rem; }
.section-heading { flex-wrap: wrap; margin-bottom: 1rem; }
.section-count { background: #edf2f1; color: var(--muted); }
.resource-period { display: flex; align-items: center; gap: .5rem; margin-left: auto; color: var(--muted); font-size: .8rem; font-weight: 700; }
.resource-period select { width: auto; min-width: 9rem; padding: .55rem .7rem; font-size: .85rem; }
.history-filters { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)) auto; align-items: end; gap: .7rem; margin-bottom: 1rem; }
.history-filters label { display: grid; gap: .35rem; color: var(--muted); }
.history-list {
  max-height: 24rem;
  overflow-y: auto;
  padding: .65rem;
  border: 1px solid var(--line);
  border-radius: .7rem;
  background: rgba(255, 255, 255, .45);
  overscroll-behavior: contain;
  scrollbar-color: var(--line) transparent;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
}
.history-list::-webkit-scrollbar { width: .55rem; }
.history-list::-webkit-scrollbar-thumb { border-radius: 999px; background: var(--line); }
.history-list::-webkit-scrollbar-track { background: transparent; }
.history-list:focus-visible { outline: 3px solid rgba(14, 124, 102, .25); outline-offset: 2px; }
.status-timeline { display: grid; gap: .8rem; }
.status-chart-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.status-legend { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; color: var(--muted); font-size: .75rem; }
.status-legend-item { display: inline-flex; align-items: center; gap: .3rem; }
.status-dot { width: .55rem; height: .55rem; border-radius: 50%; background: var(--unknown); }
.status-dot.healthy, .status-segment.healthy { background: var(--healthy); }
.status-dot.degraded, .status-segment.degraded { background: var(--degraded); }
.status-dot.down, .status-segment.down { background: var(--down); }
.status-dot.missing, .status-segment.missing,
.status-dot.unknown, .status-segment.unknown,
.status-dot.not_configured, .status-segment.not_configured { background: var(--unknown); }
.status-chart-axis, .status-chart-row { display: grid; grid-template-columns: minmax(10rem, .35fr) minmax(0, 1fr); gap: .8rem; align-items: center; }
.status-chart-axis { color: var(--muted); font-size: .68rem; }
.status-chart-axis > div { display: flex; justify-content: space-between; gap: .5rem; }
.status-chart-rows { display: grid; gap: .55rem; }
.status-chart-label { display: flex; align-items: center; justify-content: space-between; gap: .5rem; min-width: 0; }
.status-chart-label strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.status-chart-track { position: relative; min-height: 2rem; overflow: hidden; border: 1px solid var(--line); border-radius: .55rem; background-color: rgba(237, 242, 241, .55); background-image: linear-gradient(to right, transparent 24.8%, var(--line) 25%, transparent 25.2%, transparent 49.8%, var(--line) 50%, transparent 50.2%, transparent 74.8%, var(--line) 75%, transparent 75.2%); }
.status-segment { position: absolute; top: .3rem; bottom: .3rem; min-width: .18rem; border-radius: .3rem; opacity: .9; }
.warning-list, .stack-list { display: grid; gap: .7rem; }
.warning-item, .list-item, .service-card, .resource-card { border: 1px solid var(--line); border-radius: .7rem; background: white; }
.warning-item { display: grid; gap: .35rem; padding: .85rem; border-left: .3rem solid var(--degraded); }
.warning-item.critical { border-left-color: var(--down); }
.warning-title { font-weight: 800; }
.warning-meta, .item-meta { color: var(--muted); font-size: .8rem; }
.warning-empty, .empty { padding: 1.25rem; border: 1px dashed #bac8c8; border-radius: .7rem; color: var(--muted); text-align: center; }

.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .8rem; }
.resource-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.service-card, .resource-card { display: grid; gap: .6rem; padding: 1rem; }
.service-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: .7rem; }
.service-name { font-weight: 800; }
.service-role { color: var(--muted); font-size: .8rem; }
.service-stats { display: grid; grid-template-columns: 1fr 1fr; gap: .55rem; font-size: .85rem; }
.service-stats strong { display: block; font-size: 1rem; }
.instance-list { display: grid; gap: .25rem; }
.list-item { display: flex; align-items: center; justify-content: space-between; gap: .8rem; padding: .8rem .9rem; }
.list-item-main { display: grid; gap: .25rem; min-width: 0; }
.list-item-main strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list-item-main > span, .detail-lines span { display: block; color: var(--muted); font-size: .78rem; line-height: 1.45; white-space: normal; }
.detail-lines { display: grid; gap: .18rem; }
.detail-item { align-items: flex-start; }
.list-item-side { display: grid; justify-items: end; gap: .35rem; flex: 0 0 auto; }

.resource-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr)); gap: .6rem; font-size: .85rem; }
.resource-stats strong { display: block; margin-top: .15rem; font-size: 1rem; }
.resource-charts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .55rem; }
.resource-chart { min-width: 0; padding: .55rem .6rem .45rem; border: 1px solid var(--line); border-radius: .55rem; background: rgba(237, 242, 241, .5); }
.chart-heading, .chart-range { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.chart-heading { color: var(--muted); font-size: .75rem; font-weight: 800; }
.chart-current { color: var(--ink); }
.sparkline { display: block; width: 100%; height: 5.75rem; margin-top: .35rem; overflow: visible; }
.sparkline-area { fill: rgba(14, 124, 102, .12); }
.sparkline-line { fill: none; stroke: var(--accent); stroke-linecap: round; stroke-linejoin: round; stroke-width: 2.5; }
.chart-range { color: var(--muted); font-size: .65rem; }
.chart-empty { display: grid; min-height: 5.75rem; place-items: center; color: var(--muted); font-size: .75rem; text-align: center; }
.resource-meta { line-height: 1.45; }

.access-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: end; gap: .65rem .8rem; margin: 1rem 0; padding: 1rem; border: 1px solid var(--line); border-radius: .7rem; background: rgba(237, 242, 241, .55); }
.access-form label:not(.checkbox-label) { display: grid; gap: .35rem; }
.access-form-actions { display: flex; align-items: center; gap: .5rem; }
.checkbox-label { display: flex; align-items: center; gap: .5rem; }
.checkbox-label input { width: auto; }
.access-list { display: grid; gap: .7rem; }
.access-item { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; padding: .9rem; border: 1px solid var(--line); border-radius: .7rem; background: white; }
.access-item-main { min-width: 0; flex: 1 1 auto; }
.access-item-actions { display: flex; flex: 0 0 auto; gap: .35rem; }

.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.footer { margin-top: 1.5rem; padding: .75rem 0; color: var(--muted); font-size: .8rem; }

@media (max-width: 900px) {
  .overview-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid, .resource-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .resource-charts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .history-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .shell { width: min(100% - 1rem, 1180px); padding-top: 1rem; }
  .topbar, .footer { align-items: flex-start; flex-direction: column; }
  .topbar-actions { justify-content: flex-start; }
  .overview-grid, .card-grid, .two-column, .history-filters, .access-form, .resource-charts { grid-template-columns: 1fr; }
  .resource-period { width: 100%; margin-left: 0; justify-content: space-between; }
  .resource-period select { flex: 0 1 12rem; }
  .status-chart-axis, .status-chart-row { grid-template-columns: 1fr; }
  .status-chart-axis > span { display: none; }
  .status-chart-label { align-items: flex-start; }
  .access-item { flex-direction: column; }
  .access-item-actions { width: 100%; }
  .section { padding: .85rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --ink: #d9e5e1;
    --muted: #9cafaa;
    --line: #2f4743;
    --paper: #101d1b;
    --card: #192b28;
    --accent: #65bba4;
    --accent-dark: #83d0ba;
    --healthy: #76c9a5;
    --degraded: #dfb873;
    --down: #e6959d;
    --unknown: #aebbbe;
  }

  body { background: radial-gradient(circle at top right, #1b312d 0, transparent 30rem), var(--paper); }
  input, select, .button, .warning-item, .list-item, .service-card, .resource-card { background: #1d322e; color: var(--ink); }
  .status-card, .metric-card, .section { background: rgba(25, 43, 40, .88); }
  .history-list { background: rgba(13, 29, 26, .28); }
  .status-chart-track { background-color: rgba(13, 29, 26, .32); }
  .resource-chart { background: rgba(13, 29, 26, .32); }
  .access-form { background: rgba(29, 50, 46, .72); }
  .access-item { background: #1d322e; }
  .section-count, .count-pill { background: #263b37; color: #adbbb7; }
  .count-pill.healthy, .status-pill.healthy { background: #244237; color: #8fd5b0; }
  .count-pill.degraded, .status-pill.degraded { background: #473b28; color: #e7c487; }
  .count-pill.down, .status-pill.down { background: #482d32; color: #efa1a8; }
  .count-pill.unknown, .count-pill.missing, .count-pill.not_configured,
  .status-pill.unknown, .status-pill.missing, .status-pill.not_configured { background: #2a3b3d; color: #b4c1c3; }
  .notice.warning { background: #3b321f; color: #f6d28a; }
  .notice.success { background: #203d2e; color: #9be0b6; }
  .notice.error, .form-error { background: #3c2427; color: #ffb0b5; }
  .warning-empty, .empty { border-color: #4a625d; }
}