:root {
  --bg: #0a0a0d;
  --bg-elevated: #131318;
  --bg-card: #16161d;
  --bg-card-hover: #1c1c25;
  --border: #26262f;
  --border-soft: #1e1e26;
  --text: #f4f4f6;
  --text-dim: #aaaab6;
  --text-faint: #7c7c88;
  --accent: #7c6cf6;
  --accent-soft: rgba(124, 108, 246, 0.14);
  --accent-strong: #9385ff;
  --ok: #34d399;
  --ok-soft: rgba(52, 211, 153, 0.14);
  --warn: #fbbf24;
  --warn-soft: rgba(251, 191, 36, 0.14);
  --error: #f87171;
  --error-soft: rgba(248, 113, 113, 0.14);
  --radius: 12px;
  --radius-sm: 8px;
  --sidebar-width: 232px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, Helvetica, Arial,
    sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

.app-shell {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */

.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  font-size: 17px;
  font-weight: 750;
  letter-spacing: 0.05em;
  padding: 4px 8px 28px;
  color: var(--text);
}

.brand span {
  color: var(--accent-strong);
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 13.5px;
  font-weight: 500;
  transition: background 0.12s ease, color 0.12s ease;
}

.nav-item:hover {
  background: var(--bg-card);
  color: var(--text);
}

.nav-item.active {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.nav-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.85;
}

.sidebar-footer {
  border-top: 1px solid var(--border-soft);
  padding-top: 14px;
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.system-state {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 600;
  padding: 2px 8px;
}

.state-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.state-dot.ok {
  background: var(--ok);
  box-shadow: 0 0 8px var(--ok);
}

.state-dot.warning {
  background: var(--warn);
  box-shadow: 0 0 8px var(--warn);
}

.state-dot.error {
  background: var(--error);
  box-shadow: 0 0 8px var(--error);
}

.version-line {
  font-size: 11px;
  color: var(--text-faint);
  padding: 0 8px;
  font-family: var(--mono);
}

/* Main content */

.main {
  flex: 1;
  min-width: 0;
  padding: 32px 40px 64px;
}

.main-narrow {
  max-width: 1680px;
  margin-left: auto;
  margin-right: auto;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.page-header h1 {
  font-size: 22px;
  font-weight: 650;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

.page-subtitle {
  color: var(--text-dim);
  font-size: 13.5px;
  margin: 0;
}

.last-updated {
  color: var(--text-faint);
  font-size: 12px;
  white-space: nowrap;
}

/* KPI cards */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 32px;
}

.card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 18px 18px;
}

a.card.kpi-card {
  transition: background 0.12s ease, border-color 0.12s ease;
}

a.card.kpi-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border);
}

.kpi-card .kpi-label {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  font-weight: 650;
  margin-bottom: 10px;
}

.kpi-card .kpi-value {
  font-size: 26px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.kpi-card .kpi-value.small {
  font-size: 17px;
  font-weight: 600;
}

.kpi-sub {
  font-size: 11px;
  color: var(--text-faint);
  margin-top: 4px;
}

/* Section */

.section {
  margin-bottom: 36px;
}

.section-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-faint);
  font-weight: 650;
  margin: 0 0 14px;
}

/* Status list */

.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.status-row .name {
  font-weight: 600;
  font-size: 13.5px;
}

.status-row .detail {
  font-size: 12.5px;
  color: var(--text-dim);
  margin-top: 2px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 650;
  white-space: nowrap;
}

.badge.ok,
.badge.healthy {
  background: var(--ok-soft);
  color: var(--ok);
}

.badge.warning,
.badge.stale {
  background: var(--warn-soft);
  color: var(--warn);
}

.badge.error {
  background: var(--error-soft);
  color: var(--error);
}

.badge.unknown,
.badge.disabled,
.badge.historical {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-faint);
}

/* Event list / cards */

.event-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.event-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  transition: background 0.12s ease, border-color 0.12s ease;
}

.event-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border);
}

.alert-score {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.alert-score.high {
  background: var(--error-soft);
  color: var(--error);
}

.alert-score.mid {
  background: var(--warn-soft);
  color: var(--warn);
}

.event-main {
  flex: 1;
  min-width: 0;
}

.event-title {
  font-size: 14.5px;
  font-weight: 600;
  margin: 0 0 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.event-meta {
  font-size: 12.5px;
  color: var(--text-dim);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.event-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  flex-shrink: 0;
  max-width: 320px;
}

.profile-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  white-space: nowrap;
}

.dot-violet {
  color: #a78bfa;
}
.dot-blue {
  color: #60a5fa;
}
.dot-teal {
  color: #2dd4bf;
}
.dot-amber {
  color: #fbbf24;
}
.dot-rose {
  color: #fb7185;
}
.dot-indigo {
  color: #818cf8;
}

/* Filters */

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  align-items: center;
}

.filter-bar select,
.filter-bar input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  font-size: 13px;
  font-family: var(--font);
}

.filter-bar input[type="search"] {
  min-width: 200px;
}

.filter-bar select:focus,
.filter-bar input:focus {
  outline: none;
  border-color: var(--accent);
}

/* Tables */

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  font-weight: 650;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-soft);
}

tbody td {
  padding: 12px;
  border-bottom: 1px solid var(--border-soft);
  vertical-align: middle;
}

tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
  overflow-x: auto;
}

.table-wrap table {
  min-width: 640px;
}

/* Empty state */

.empty-state {
  text-align: center;
  padding: 64px 24px;
  color: var(--text-dim);
}

.empty-state .empty-icon {
  font-size: 28px;
  margin-bottom: 12px;
  opacity: 0.6;
}

/* Detail page */

.detail-header {
  margin-bottom: 24px;
}

.detail-top {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
}

.detail-header h1 {
  font-size: 22px;
  margin: 0 0 4px;
  line-height: 1.3;
}

.detail-subject {
  color: var(--text-dim);
  font-size: 13.5px;
  margin: 0;
}

.detail-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--text-dim);
}

.detail-meta-secondary {
  margin-top: 8px;
  font-size: 12px;
  opacity: 0.75;
}

.prose {
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
  white-space: pre-wrap;
}

.profile-card {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: var(--bg-card);
  padding: 18px;
  margin-bottom: 12px;
}

.profile-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.score-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.score-pill {
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
}

.score-pill .label {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--text-faint);
  letter-spacing: 0.04em;
  margin-bottom: 3px;
}

.score-pill .value {
  font-weight: 650;
  font-size: 15px;
}

.tag-list {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 11px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-dim);
  font-size: 13px;
  margin-bottom: 16px;
}

.back-link:hover {
  color: var(--text);
}

/* Pagination */

.pagination {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-dim);
}

.pagination a,
.pagination span {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.pagination a:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.pagination .disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* Error pages */

.error-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
}

.error-page .code {
  font-size: 64px;
  font-weight: 700;
  color: var(--accent-strong);
}

.error-page p {
  color: var(--text-dim);
}

/* Responsive */

@media (max-width: 860px) {
  .app-shell {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    flex-direction: row;
    align-items: center;
    padding: 14px 16px;
    border-right: none;
    border-bottom: 1px solid var(--border-soft);
  }

  .brand {
    padding: 0 16px 0 0;
  }

  .nav {
    flex-direction: row;
    flex: 1;
    overflow-x: auto;
  }

  .sidebar-footer {
    display: none;
  }

  .main {
    padding: 20px;
  }

  .event-card {
    flex-wrap: wrap;
  }

  .event-badges {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }

  .detail-top {
    flex-wrap: wrap;
  }
}