: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.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.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 { margin-bottom: 1rem; }
.section-count { background: #edf2f1; color: var(--muted); }
.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); }
.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; }
.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 { min-width: 0; }
.list-item-main strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list-item-main span { color: var(--muted); font-size: .78rem; }
.detail-item { align-items: flex-start; }
.list-item-side { display: grid; justify-items: end; gap: .35rem; flex: 0 0 auto; }

.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 { 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 { grid-template-columns: 1fr; }
  .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: #edf5f2;
    --muted: #a9bbb7;
    --line: #304542;
    --paper: #12201e;
    --card: #1a2b28;
    --accent: #69d2b5;
    --accent-dark: #91e8ce;
    --healthy: #67d39d;
    --degraded: #f1bd65;
    --down: #ff8e95;
    --unknown: #b4c0c6;
  }

  body { background: radial-gradient(circle at top right, #23443d 0, transparent 35rem), var(--paper); }
  input, select, .button, .warning-item, .list-item, .service-card, .resource-card { background: #203632; color: var(--ink); }
  .status-card, .metric-card, .section { background: rgba(26, 43, 40, .94); }
  .notice.warning { background: #3b321f; color: #f6d28a; }
  .notice.error, .form-error { background: #3c2427; color: #ffb0b5; }
  .warning-empty, .empty { border-color: #4a625d; }
}