/* =========================================================================
   Health Checker design system
   Bootstrap 5.3 supplies grid, utilities and JS widgets; everything visual is
   re-tokenised here. Status colours follow the dataviz reference palette and
   always ship with an icon or label, never colour alone.
   ========================================================================= */

/* ---- Tokens ------------------------------------------------------------ */
:root,
[data-bs-theme="light"] {
  color-scheme: light;
  --hc-page: #f7f7f5;
  --hc-surface: #ffffff;
  --hc-surface-2: #f2f2ef;
  --hc-surface-3: #e9e8e4;
  --hc-border: rgba(11, 11, 11, 0.08);
  --hc-border-strong: rgba(11, 11, 11, 0.15);
  --hc-ink: #0b0b0b;
  --hc-ink-2: #52514e;
  --hc-muted: #898781;
  --hc-grid: #ecebe7;
  --hc-accent: #2a78d6;
  --hc-accent-soft: rgba(42, 120, 214, 0.1);
  --hc-good: #0ca30c;
  --hc-good-text: #006300;
  --hc-good-soft: rgba(12, 163, 12, 0.1);
  --hc-warn: #fab219;
  --hc-warn-text: #8a5a00;
  --hc-warn-soft: rgba(250, 178, 25, 0.16);
  --hc-crit: #d03b3b;
  --hc-crit-text: #b42323;
  --hc-crit-soft: rgba(208, 59, 59, 0.1);
  --hc-none: #e6e5e0;
  --hc-shadow-sm: 0 1px 2px rgba(16, 16, 15, 0.05);
  --hc-shadow: 0 1px 3px rgba(16, 16, 15, 0.06), 0 1px 2px rgba(16, 16, 15, 0.04);
  --hc-shadow-lg: 0 12px 32px -8px rgba(16, 16, 15, 0.16), 0 2px 6px rgba(16, 16, 15, 0.06);
  --hc-focus: 0 0 0 3px rgba(42, 120, 214, 0.25);
  --hc-radius: 0.75rem;
  --hc-radius-sm: 0.5rem;
  --hc-sidebar-w: 248px;
}

[data-bs-theme="dark"] {
  color-scheme: dark;
  --hc-page: #0d0d0d;
  --hc-surface: #161615;
  --hc-surface-2: #1f1f1e;
  --hc-surface-3: #2a2a28;
  --hc-border: rgba(255, 255, 255, 0.08);
  --hc-border-strong: rgba(255, 255, 255, 0.15);
  --hc-ink: #f7f7f5;
  --hc-ink-2: #c3c2b7;
  --hc-muted: #898781;
  --hc-grid: #262624;
  --hc-accent: #3987e5;
  --hc-accent-soft: rgba(57, 135, 229, 0.16);
  --hc-good-text: #3fbf3f;
  --hc-good-soft: rgba(12, 163, 12, 0.16);
  --hc-warn-text: #fab219;
  --hc-warn-soft: rgba(250, 178, 25, 0.14);
  --hc-crit-text: #e66767;
  --hc-crit-soft: rgba(208, 59, 59, 0.18);
  --hc-none: #2c2c2a;
  --hc-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --hc-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
  --hc-shadow-lg: 0 16px 40px -8px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.06);
  --hc-focus: 0 0 0 3px rgba(57, 135, 229, 0.35);
}

/* Map Bootstrap onto the tokens (same selectors so these win the cascade). */
:root,
[data-bs-theme="light"],
[data-bs-theme="dark"] {
  --bs-body-font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --bs-body-font-size: 0.875rem;
  --bs-body-line-height: 1.5;
  --bs-body-bg: var(--hc-page);
  --bs-body-color: var(--hc-ink);
  --bs-emphasis-color: var(--hc-ink);
  --bs-secondary-color: var(--hc-ink-2);
  --bs-tertiary-color: var(--hc-muted);
  --bs-secondary-bg: var(--hc-surface-2);
  --bs-tertiary-bg: var(--hc-surface-2);
  --bs-border-color: var(--hc-border);
  --bs-border-color-translucent: var(--hc-border);
  --bs-border-radius: var(--hc-radius-sm);
  --bs-border-radius-sm: 0.375rem;
  --bs-border-radius-lg: var(--hc-radius);
  --bs-link-color: var(--hc-ink);
  --bs-link-color-rgb: 11, 11, 11;
  --bs-link-hover-color: var(--hc-accent);
  --bs-primary: var(--hc-accent);
  --bs-heading-color: var(--hc-ink);
}
[data-bs-theme="dark"] {
  --bs-link-color-rgb: 247, 247, 245;
}

/* ---- Base -------------------------------------------------------------- */
body {
  font-feature-settings: "cv11", "ss01", "ss03";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--hc-page);
}
a { text-decoration: none; }
a:hover { color: var(--hc-accent); }
h1, h2, h3, h4, h5, h6 { letter-spacing: -0.015em; font-weight: 600; }
code, .font-monospace, pre { font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
code { color: var(--hc-ink-2); background: var(--hc-surface-2); padding: 0.1em 0.35em; border-radius: 0.3rem; font-size: 0.8em; }
::selection { background: var(--hc-accent-soft); }

.icon { flex-shrink: 0; vertical-align: -0.2em; }
.text-muted-2, .text-faint { color: var(--hc-muted) !important; }
.text-ink-2 { color: var(--hc-ink-2) !important; }
.tnum { font-variant-numeric: tabular-nums; }
.min-w-0 { min-width: 0; }
.fw-medium { font-weight: 500 !important; }

.tone-good { color: var(--hc-good-text) !important; }
.tone-warn { color: var(--hc-warn-text) !important; }
.tone-crit { color: var(--hc-crit-text) !important; }
.tone-muted { color: var(--hc-muted) !important; }

/* ---- App shell --------------------------------------------------------- */
.app-shell { min-height: 100vh; }
.sidebar {
  --bs-offcanvas-width: 280px;
  --bs-offcanvas-bg: var(--hc-page);
  width: var(--hc-sidebar-w);
  background: var(--hc-page);
  border-right: 1px solid var(--hc-border);
}
@media (min-width: 992px) {
  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 1030;
  }
  .app-main { margin-left: var(--hc-sidebar-w); }
}
.sidebar .offcanvas-body { display: flex; flex-direction: column; padding: 0; height: 100%; }
.sidebar-brand {
  display: flex; align-items: center; gap: 0.625rem;
  padding: 1.125rem 1.25rem 1rem;
  font-weight: 600; font-size: 0.9375rem; color: var(--hc-ink);
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 28px; height: 28px; border-radius: 8px;
  display: grid; place-items: center;
  background: var(--hc-ink); color: var(--hc-page);
}
.sidebar-scroll { flex: 1; overflow-y: auto; padding: 0.25rem 0.75rem 1rem; }
.nav-section {
  font-size: 0.6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--hc-muted); padding: 1rem 0.625rem 0.375rem;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-link-item {
  display: flex; align-items: center; gap: 0.625rem;
  padding: 0.4375rem 0.625rem; border-radius: var(--hc-radius-sm);
  color: var(--hc-ink-2); font-weight: 500;
  transition: background-color 0.12s, color 0.12s;
}
.nav-link-item:hover { background: var(--hc-surface-2); color: var(--hc-ink); }
.nav-link-item.active {
  background: var(--hc-surface); color: var(--hc-ink);
  box-shadow: var(--hc-shadow-sm), 0 0 0 1px var(--hc-border);
}
.nav-link-item .icon { color: var(--hc-muted); }
.nav-link-item.active .icon { color: var(--hc-ink); }
.nav-link-item .nav-meta { margin-left: auto; font-size: 0.75rem; color: var(--hc-muted); font-variant-numeric: tabular-nums; }
.nav-link-item .nav-meta.is-down { color: var(--hc-crit-text); font-weight: 600; }
.sidebar-footer { border-top: 1px solid var(--hc-border); padding: 0.75rem; }
.user-chip {
  display: flex; align-items: center; gap: 0.625rem; width: 100%;
  padding: 0.375rem 0.5rem; border-radius: var(--hc-radius-sm);
  background: none; border: 0; color: var(--hc-ink); text-align: left;
}
.user-chip:hover { background: var(--hc-surface-2); }

.topbar {
  position: sticky; top: 0; z-index: 1020;
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.625rem 1rem;
  background: color-mix(in srgb, var(--hc-page) 85%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--hc-border);
}
.content { padding: 1.5rem 1rem 3rem; max-width: 1280px; margin: 0 auto; }
@media (min-width: 768px) { .content { padding: 2rem 2rem 4rem; } }

/* ---- Avatar ------------------------------------------------------------ */
.avatar {
  width: 28px; height: 28px; border-radius: 50%;
  display: inline-grid; place-items: center; flex-shrink: 0;
  font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.02em;
  background: var(--hc-accent-soft); color: var(--hc-accent);
}
.avatar-lg { width: 36px; height: 36px; font-size: 0.8125rem; }

/* ---- Page header ------------------------------------------------------- */
.page-header {
  display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between;
  gap: 1rem; margin-bottom: 1.5rem;
}
.page-title { font-size: 1.5rem; font-weight: 600; letter-spacing: -0.025em; margin: 0; line-height: 1.25; }
.page-sub { color: var(--hc-ink-2); margin: 0.25rem 0 0; }
.crumbs { display: flex; align-items: center; gap: 0.375rem; font-size: 0.8125rem; color: var(--hc-muted); margin-bottom: 0.625rem; flex-wrap: wrap; }
.crumbs a { color: var(--hc-muted); }
.crumbs a:hover { color: var(--hc-ink); }
.meta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.375rem 1rem; color: var(--hc-ink-2); font-size: 0.8125rem; margin-top: 0.5rem; }
.meta-row > span { display: inline-flex; align-items: center; gap: 0.375rem; }
.meta-row .icon { color: var(--hc-muted); }

/* ---- Cards ------------------------------------------------------------- */
.card {
  --bs-card-bg: var(--hc-surface);
  --bs-card-border-color: var(--hc-border);
  --bs-card-border-radius: var(--hc-radius);
  --bs-card-inner-border-radius: calc(var(--hc-radius) - 1px);
  --bs-card-cap-bg: transparent;
  --bs-card-spacer-y: 1.125rem;
  --bs-card-spacer-x: 1.25rem;
  --bs-card-cap-padding-y: 0.875rem;
  --bs-card-cap-padding-x: 1.25rem;
  box-shadow: var(--hc-shadow);
}
.card-header { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; flex-wrap: wrap; }
.card-title-sm { font-size: 0.875rem; font-weight: 600; margin: 0; letter-spacing: -0.005em; }
.card-sub { font-size: 0.8125rem; color: var(--hc-muted); margin: 0.125rem 0 0; }

/* ---- Buttons ----------------------------------------------------------- */
.btn {
  --bs-btn-font-weight: 500;
  --bs-btn-font-size: 0.8125rem;
  --bs-btn-padding-y: 0.4375rem;
  --bs-btn-padding-x: 0.8125rem;
  --bs-btn-border-radius: var(--hc-radius-sm);
  --bs-btn-focus-box-shadow: var(--hc-focus);
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4375rem;
  white-space: nowrap;
  transition: background-color 0.12s, border-color 0.12s, color 0.12s, box-shadow 0.12s;
}
.btn-sm { --bs-btn-padding-y: 0.3125rem; --bs-btn-padding-x: 0.625rem; --bs-btn-font-size: 0.75rem; }
.btn-primary {
  --bs-btn-color: var(--hc-page);
  --bs-btn-bg: var(--hc-ink);
  --bs-btn-border-color: var(--hc-ink);
  --bs-btn-hover-color: var(--hc-page);
  --bs-btn-hover-bg: color-mix(in srgb, var(--hc-ink) 85%, var(--hc-page));
  --bs-btn-hover-border-color: color-mix(in srgb, var(--hc-ink) 85%, var(--hc-page));
  --bs-btn-active-color: var(--hc-page);
  --bs-btn-active-bg: color-mix(in srgb, var(--hc-ink) 75%, var(--hc-page));
  --bs-btn-active-border-color: transparent;
  --bs-btn-disabled-bg: var(--hc-ink);
  --bs-btn-disabled-border-color: var(--hc-ink);
  box-shadow: var(--hc-shadow-sm);
}
.btn-default {
  --bs-btn-color: var(--hc-ink);
  --bs-btn-bg: var(--hc-surface);
  --bs-btn-border-color: var(--hc-border-strong);
  --bs-btn-hover-color: var(--hc-ink);
  --bs-btn-hover-bg: var(--hc-surface-2);
  --bs-btn-hover-border-color: var(--hc-border-strong);
  --bs-btn-active-color: var(--hc-ink);
  --bs-btn-active-bg: var(--hc-surface-3);
  --bs-btn-active-border-color: var(--hc-border-strong);
  box-shadow: var(--hc-shadow-sm);
}
.btn-ghost {
  --bs-btn-color: var(--hc-ink-2);
  --bs-btn-bg: transparent;
  --bs-btn-border-color: transparent;
  --bs-btn-hover-color: var(--hc-ink);
  --bs-btn-hover-bg: var(--hc-surface-2);
  --bs-btn-hover-border-color: transparent;
  --bs-btn-active-color: var(--hc-ink);
  --bs-btn-active-bg: var(--hc-surface-3);
  --bs-btn-active-border-color: transparent;
}
.btn-danger-soft {
  --bs-btn-color: var(--hc-crit-text);
  --bs-btn-bg: var(--hc-crit-soft);
  --bs-btn-border-color: transparent;
  --bs-btn-hover-color: #fff;
  --bs-btn-hover-bg: var(--hc-crit);
  --bs-btn-hover-border-color: var(--hc-crit);
  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: var(--hc-crit);
}
.btn-danger {
  --bs-btn-bg: var(--hc-crit);
  --bs-btn-border-color: var(--hc-crit);
  --bs-btn-hover-bg: color-mix(in srgb, var(--hc-crit) 88%, #000);
  --bs-btn-hover-border-color: color-mix(in srgb, var(--hc-crit) 88%, #000);
}
.btn-icon { --bs-btn-padding-x: 0.4375rem; }

/* ---- Forms ------------------------------------------------------------- */
.form-control, .form-select {
  font-size: 0.875rem;
  background-color: var(--hc-surface);
  border-color: var(--hc-border-strong);
  border-radius: var(--hc-radius-sm);
  padding: 0.5rem 0.75rem;
  box-shadow: var(--hc-shadow-sm);
  transition: border-color 0.12s, box-shadow 0.12s;
}
.form-select { padding-right: 2.25rem; }
.form-control:focus, .form-select:focus { border-color: var(--hc-accent); box-shadow: var(--hc-focus); }
.form-control::placeholder { color: var(--hc-muted); }
.form-label { font-weight: 500; font-size: 0.8125rem; margin-bottom: 0.375rem; color: var(--hc-ink); }
.form-text { color: var(--hc-muted); font-size: 0.75rem; margin-top: 0.3125rem; }
.form-check-input { border-color: var(--hc-border-strong); }
.form-check-input:checked { background-color: var(--hc-ink); border-color: var(--hc-ink); }
.form-check-input:focus { box-shadow: var(--hc-focus); border-color: var(--hc-accent); }
.form-control.is-invalid, .form-select.is-invalid { border-color: var(--hc-crit); }
.invalid-feedback { color: var(--hc-crit-text); font-size: 0.75rem; }
.required { color: var(--hc-crit-text); }

.input-icon { position: relative; }
.input-icon > .icon { position: absolute; left: 0.75rem; top: 50%; transform: translateY(-50%); color: var(--hc-muted); pointer-events: none; }
.input-icon > .form-control { padding-left: 2.25rem; }

/* Settings-style form sections: title/description on the left, fields on the right. */
.form-section { display: grid; gap: 1rem 2.5rem; padding: 1.75rem 0; border-top: 1px solid var(--hc-border); }
.form-section:first-of-type { border-top: 0; padding-top: 0.25rem; }
@media (min-width: 992px) { .form-section { grid-template-columns: 260px minmax(0, 1fr); } }
.form-section-title { font-weight: 600; font-size: 0.9375rem; margin: 0 0 0.25rem; }
.form-section-desc { color: var(--hc-muted); font-size: 0.8125rem; margin: 0; }
.form-actions {
  position: sticky; bottom: 0; z-index: 5;
  display: flex; justify-content: flex-end; gap: 0.5rem;
  padding: 1rem 0; margin-top: 0.5rem;
  background: linear-gradient(to top, var(--hc-page) 70%, transparent);
  border-top: 1px solid var(--hc-border);
}
details.advanced > summary {
  list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 0.375rem;
  color: var(--hc-ink-2); font-weight: 500; font-size: 0.8125rem; margin: 0.25rem 0 1rem;
}
details.advanced > summary::-webkit-details-marker { display: none; }
details.advanced > summary .icon { transition: transform 0.15s; }
details.advanced[open] > summary .icon { transform: rotate(90deg); }

/* Segmented control (theme picker, chart ranges, filters). */
.segmented {
  display: inline-flex; gap: 2px; padding: 3px;
  background: var(--hc-surface-2); border-radius: var(--hc-radius-sm);
  border: 1px solid var(--hc-border);
}
.segmented > button, .segmented > label {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.375rem;
  border: 0; background: transparent; color: var(--hc-ink-2);
  font-size: 0.75rem; font-weight: 500; line-height: 1;
  padding: 0.4375rem 0.625rem; border-radius: 0.375rem; cursor: pointer;
  transition: background-color 0.12s, color 0.12s;
}
.segmented > button:hover, .segmented > label:hover { color: var(--hc-ink); }
.segmented > button.active, .segmented > input:checked + label {
  background: var(--hc-surface); color: var(--hc-ink);
  box-shadow: var(--hc-shadow-sm), 0 0 0 1px var(--hc-border);
}
.segmented > input { position: absolute; opacity: 0; pointer-events: none; }
.segmented > input:focus-visible + label { box-shadow: var(--hc-focus); }
.segmented-fill { display: flex; }
.segmented-fill > * { flex: 1; }

/* ---- Pills & dots ------------------------------------------------------ */
.pill {
  display: inline-flex; align-items: center; gap: 0.375rem;
  padding: 0.1875rem 0.5rem 0.1875rem 0.4375rem;
  border-radius: 999px; font-size: 0.75rem; font-weight: 500; line-height: 1.2;
  white-space: nowrap; background: var(--hc-surface-2); color: var(--hc-ink-2);
}
.pill-good { background: var(--hc-good-soft); color: var(--hc-good-text); }
.pill-warn { background: var(--hc-warn-soft); color: var(--hc-warn-text); }
.pill-crit { background: var(--hc-crit-soft); color: var(--hc-crit-text); }
.pill-muted { background: var(--hc-surface-2); color: var(--hc-ink-2); }
.pill-lg { font-size: 0.8125rem; padding: 0.3125rem 0.75rem 0.3125rem 0.625rem; }
.pill-outline { background: transparent; box-shadow: inset 0 0 0 1px var(--hc-border-strong); color: var(--hc-ink-2); }

.dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; background: var(--hc-muted); }
.dot-up { background: var(--hc-good); }
.dot-down { background: var(--hc-crit); box-shadow: 0 0 0 0 rgba(208, 59, 59, 0.5); animation: hc-pulse 1.8s ease-out infinite; }
.dot-paused { background: var(--hc-warn); }
.dot-pending { background: transparent; box-shadow: inset 0 0 0 1.5px var(--hc-muted); }
.dot-lg { width: 10px; height: 10px; }
@keyframes hc-pulse {
  0% { box-shadow: 0 0 0 0 rgba(208, 59, 59, 0.45); }
  70% { box-shadow: 0 0 0 6px rgba(208, 59, 59, 0); }
  100% { box-shadow: 0 0 0 0 rgba(208, 59, 59, 0); }
}
@media (prefers-reduced-motion: reduce) { .dot-down { animation: none; } }

/* ---- Status banner ----------------------------------------------------- */
.status-banner {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 1.25rem; border-radius: var(--hc-radius);
  background: var(--hc-surface); border: 1px solid var(--hc-border); box-shadow: var(--hc-shadow);
  margin-bottom: 1.25rem;
}
.status-banner .banner-icon {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; flex-shrink: 0;
}
.status-banner.is-good .banner-icon { background: var(--hc-good-soft); color: var(--hc-good-text); }
.status-banner.is-crit { border-color: color-mix(in srgb, var(--hc-crit) 35%, transparent); background: color-mix(in srgb, var(--hc-crit) 5%, var(--hc-surface)); }
.status-banner.is-crit .banner-icon { background: var(--hc-crit-soft); color: var(--hc-crit-text); }
.status-banner.is-muted .banner-icon { background: var(--hc-surface-2); color: var(--hc-ink-2); }
.banner-title { font-weight: 600; font-size: 0.9375rem; margin: 0; letter-spacing: -0.01em; }
.banner-sub { color: var(--hc-muted); font-size: 0.8125rem; margin: 0.125rem 0 0; }

/* ---- Stat tiles -------------------------------------------------------- */
.stat {
  background: var(--hc-surface); border: 1px solid var(--hc-border); border-radius: var(--hc-radius);
  box-shadow: var(--hc-shadow); padding: 1rem 1.125rem; height: 100%;
}
.stat-label { display: flex; align-items: center; gap: 0.4375rem; color: var(--hc-ink-2); font-size: 0.8125rem; font-weight: 500; }
.stat-label .icon { color: var(--hc-muted); }
.stat-value { font-size: 1.75rem; font-weight: 600; letter-spacing: -0.03em; line-height: 1.15; margin-top: 0.5rem; }
.stat-value small { font-size: 0.875rem; font-weight: 500; color: var(--hc-muted); letter-spacing: 0; margin-left: 0.125rem; }
.stat-foot { color: var(--hc-muted); font-size: 0.75rem; margin-top: 0.25rem; }
.stat.is-crit { border-color: color-mix(in srgb, var(--hc-crit) 35%, transparent); }

.uptime-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 0.625rem; }
.uptime-grid > div { padding: 0 0.75rem; border-left: 1px solid var(--hc-border); }
.uptime-grid > div:first-child { padding-left: 0; border-left: 0; }
.uptime-grid .v { font-size: 1.125rem; font-weight: 600; letter-spacing: -0.02em; }
.uptime-grid .k { font-size: 0.75rem; color: var(--hc-muted); }

/* ---- Toolbar / filters ------------------------------------------------- */
.toolbar { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; margin-bottom: 1.25rem; }
.toolbar .input-icon { flex: 1 1 220px; max-width: 320px; }
.toolbar .form-select { width: auto; min-width: 150px; }

/* ---- Monitor list ------------------------------------------------------ */
.group-head { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; margin: 1.75rem 0 0.625rem; }
.group-head:first-child { margin-top: 0; }
.group-title { display: flex; align-items: center; gap: 0.5rem; font-weight: 600; font-size: 0.9375rem; color: var(--hc-ink); letter-spacing: -0.01em; }
.group-title .count { color: var(--hc-muted); font-weight: 500; font-size: 0.8125rem; }

.mlist { background: var(--hc-surface); border: 1px solid var(--hc-border); border-radius: var(--hc-radius); box-shadow: var(--hc-shadow); overflow: hidden; }
.mrow {
  position: relative; display: grid; align-items: center; gap: 0.5rem 1rem;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "name status" "metrics metrics";
  padding: 0.875rem 1.125rem; border-top: 1px solid var(--hc-border);
  transition: background-color 0.12s;
}
.mrow:first-child { border-top: 0; }
.mrow:hover { background: color-mix(in srgb, var(--hc-surface-2) 60%, var(--hc-surface)); }
.mrow-head {
  display: none; padding: 0.5rem 1.125rem; background: var(--hc-surface-2);
  font-size: 0.6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--hc-muted);
}
.m-name { grid-area: name; display: flex; align-items: center; gap: 0.75rem; min-width: 0; }
.m-name a { font-weight: 500; color: var(--hc-ink); }
.m-name a::after { content: ""; position: absolute; inset: 0; }
.m-target { color: var(--hc-muted); font-size: 0.75rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: flex; align-items: center; gap: 0.3125rem; }
.m-status { grid-area: status; }
.m-metrics { grid-area: metrics; display: flex; gap: 1.25rem; font-size: 0.8125rem; color: var(--hc-ink-2); }
.m-metrics .k { display: block; font-size: 0.6875rem; color: var(--hc-muted); }
.m-spark, .m-bars { display: none; }
.m-error { grid-column: 1 / -1; font-size: 0.75rem; color: var(--hc-crit-text); display: flex; align-items: center; gap: 0.375rem; min-width: 0; }
.m-error span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.type-icon {
  width: 32px; height: 32px; border-radius: 8px; flex-shrink: 0; display: grid; place-items: center;
  background: var(--hc-surface-2); color: var(--hc-ink-2); position: relative;
}
.type-icon .dot { position: absolute; right: -2px; bottom: -2px; width: 10px; height: 10px; box-shadow: 0 0 0 2px var(--hc-surface); }
.type-icon .dot-down { animation: none; }

@media (min-width: 768px) {
  .mrow, .mrow-head {
    grid-template-columns: minmax(0, 2.2fr) 96px 120px 88px 88px;
    grid-template-areas: "name status spark resp up";
  }
  .mrow-head { display: grid; gap: 1rem; }
  .m-metrics { display: contents; }
  .m-metrics > div { text-align: right; font-variant-numeric: tabular-nums; }
  .m-metrics > div:nth-child(1) { grid-area: resp; }
  .m-metrics > div:nth-child(2) { grid-area: up; }
  .m-metrics .k { display: none; }
  .m-spark { display: block; grid-area: spark; }
}
@media (min-width: 1200px) {
  .mrow, .mrow-head {
    grid-template-columns: minmax(0, 2fr) 96px 120px 80px 80px minmax(180px, 1.3fr);
    grid-template-areas: "name status spark resp up bars";
  }
  .m-bars { display: block; grid-area: bars; }
}

/* Sparkline */
.sparkline { display: block; overflow: visible; }
.sparkline-line { fill: none; stroke: var(--hc-accent); stroke-width: 1.5; stroke-linejoin: round; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.sparkline-area { fill: var(--hc-accent); opacity: 0.1; }
.sparkline-end { fill: var(--hc-accent); stroke: var(--hc-surface); stroke-width: 1.5; }

/* Daily uptime bars */
.ubars { display: flex; gap: 2px; height: 24px; align-items: stretch; }
.ubars > span { flex: 1 1 0; min-width: 2px; border-radius: 2px; background: var(--hc-none); transition: opacity 0.12s, transform 0.12s; }
.ubars > span:hover { opacity: 0.75; transform: scaleY(1.12); }
.ubars > .bar-up { background: var(--hc-good); }
.ubars > .bar-warn { background: var(--hc-warn); }
.ubars > .bar-down { background: var(--hc-crit); }
.ubars-lg { height: 36px; gap: 3px; }
.ubars-legend { display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; font-size: 0.75rem; color: var(--hc-muted); }
.ubars-legend span { display: inline-flex; align-items: center; gap: 0.375rem; }
.ubars-legend i { width: 8px; height: 8px; border-radius: 2px; display: inline-block; }

/* ---- Tables ------------------------------------------------------------ */
.table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--hc-ink);
  --bs-table-border-color: var(--hc-border);
  --bs-table-hover-bg: var(--hc-surface-2);
  margin: 0; font-size: 0.8125rem;
}
.table > thead th {
  font-size: 0.6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--hc-muted); background: var(--hc-surface-2); border-bottom-width: 1px; white-space: nowrap;
  padding: 0.5rem 1.25rem;
}
.table > tbody td { padding: 0.625rem 1.25rem; vertical-align: middle; }
.table > tbody tr:last-child td { border-bottom: 0; }
.table-sm > tbody td { padding: 0.5rem 1.25rem; }

/* ---- Lists (members, recipients, incidents) ----------------------------- */
.list-clean { list-style: none; margin: 0; padding: 0; }
.list-clean > li { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1.25rem; border-top: 1px solid var(--hc-border); }
.list-clean > li:first-child { border-top: 0; }
.li-title { font-weight: 500; color: var(--hc-ink); }
.li-sub { font-size: 0.75rem; color: var(--hc-muted); }

.timeline { list-style: none; margin: 0; padding: 0.25rem 1.25rem 0.75rem; }
.timeline li { position: relative; padding: 0.75rem 0 0.75rem 1.5rem; border-left: 1px solid var(--hc-border); margin-left: 0.3125rem; }
.timeline li::before {
  content: ""; position: absolute; left: -5px; top: 1.05rem; width: 9px; height: 9px; border-radius: 50%;
  background: var(--hc-surface); box-shadow: inset 0 0 0 2px var(--hc-crit);
}
.timeline li.is-resolved::before { box-shadow: inset 0 0 0 2px var(--hc-good); }
.timeline li:last-child { border-left-color: transparent; }

/* ---- Chart ------------------------------------------------------------- */
.chart-wrap { position: relative; height: 280px; }
@media (max-width: 575.98px) { .chart-wrap { height: 220px; } }
.chart-legend { display: flex; gap: 1rem; font-size: 0.75rem; color: var(--hc-ink-2); }
.chart-legend span { display: inline-flex; align-items: center; gap: 0.375rem; }
.chart-legend .key-line { width: 14px; height: 2px; border-radius: 1px; background: var(--hc-accent); }
.chart-legend .key-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--hc-crit); }

/* ---- Code -------------------------------------------------------------- */
.code-block {
  font-size: 0.75rem; line-height: 1.6; white-space: pre-wrap; word-break: break-all;
  background: var(--hc-surface-2); border: 1px solid var(--hc-border); border-radius: var(--hc-radius-sm);
  padding: 0.875rem 1rem; margin: 0; color: var(--hc-ink);
}
.copy-field { display: flex; align-items: center; gap: 0.5rem; background: var(--hc-surface-2); border: 1px solid var(--hc-border); border-radius: var(--hc-radius-sm); padding: 0.25rem 0.25rem 0.25rem 0.75rem; }
.copy-field .tag { font-size: 0.6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--hc-muted); width: 2.5rem; flex-shrink: 0; }
.copy-field input { flex: 1; min-width: 0; border: 0; background: transparent; color: var(--hc-ink); font-size: 0.8125rem; outline: none; }
.nav-underline { --bs-nav-underline-gap: 1.25rem; --bs-nav-link-font-size: 0.8125rem; --bs-nav-link-color: var(--hc-muted); --bs-nav-link-hover-color: var(--hc-ink); --bs-nav-underline-link-active-color: var(--hc-ink); border-bottom: 1px solid var(--hc-border); margin-bottom: 0.875rem; }

/* ---- Dropdowns, alerts, misc ------------------------------------------- */
.dropdown-menu {
  --bs-dropdown-bg: var(--hc-surface);
  --bs-dropdown-border-color: var(--hc-border);
  --bs-dropdown-border-radius: var(--hc-radius-sm);
  --bs-dropdown-font-size: 0.8125rem;
  --bs-dropdown-link-color: var(--hc-ink);
  --bs-dropdown-link-hover-bg: var(--hc-surface-2);
  --bs-dropdown-link-hover-color: var(--hc-ink);
  --bs-dropdown-link-active-bg: var(--hc-surface-3);
  --bs-dropdown-link-active-color: var(--hc-ink);
  --bs-dropdown-item-padding-y: 0.4375rem;
  --bs-dropdown-item-padding-x: 0.625rem;
  --bs-dropdown-divider-bg: var(--hc-border);
  --bs-dropdown-header-color: var(--hc-muted);
  padding: 0.3125rem; box-shadow: var(--hc-shadow-lg); min-width: 12rem;
}
.dropdown-item { border-radius: 0.375rem; display: flex; align-items: center; gap: 0.5rem; }
.dropdown-item .icon { color: var(--hc-muted); }
.dropdown-item.text-danger, .dropdown-item.text-danger .icon { color: var(--hc-crit-text) !important; }
.dropdown-header { font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; padding: 0.375rem 0.625rem; }

.toast-stack { position: fixed; right: 1rem; bottom: 1rem; z-index: 1090; display: flex; flex-direction: column; gap: 0.5rem; max-width: min(420px, calc(100vw - 2rem)); }
.toast-msg {
  display: flex; align-items: flex-start; gap: 0.625rem;
  background: var(--hc-surface); border: 1px solid var(--hc-border); border-radius: var(--hc-radius-sm);
  box-shadow: var(--hc-shadow-lg); padding: 0.75rem 0.875rem; font-size: 0.8125rem;
  animation: hc-toast-in 0.2s ease-out;
}
.toast-msg .icon { margin-top: 1px; }
.toast-msg .btn-close { margin-left: auto; font-size: 0.625rem; }
@keyframes hc-toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.callout { display: flex; gap: 0.625rem; align-items: flex-start; padding: 0.75rem 0.875rem; border-radius: var(--hc-radius-sm); font-size: 0.8125rem; }
.callout-crit { background: var(--hc-crit-soft); color: var(--hc-crit-text); }
.callout-warn { background: var(--hc-warn-soft); color: var(--hc-warn-text); }
.callout-info { background: var(--hc-surface-2); color: var(--hc-ink-2); }

.empty-state { text-align: center; padding: 3.5rem 1.5rem; color: var(--hc-muted); }
.empty-state .empty-icon {
  width: 48px; height: 48px; border-radius: 12px; margin: 0 auto 1rem; display: grid; place-items: center;
  background: var(--hc-surface-2); color: var(--hc-ink-2);
}
.empty-state h3 { font-size: 0.9375rem; color: var(--hc-ink); margin-bottom: 0.25rem; }

.kbd-hint { font-size: 0.75rem; color: var(--hc-muted); display: inline-flex; align-items: center; gap: 0.375rem; }
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--hc-good); box-shadow: 0 0 0 3px var(--hc-good-soft); }

.role-list dt { font-weight: 600; font-size: 0.8125rem; }
.role-list dd { color: var(--hc-muted); font-size: 0.8125rem; margin-bottom: 0.625rem; }

/* ---- Auth -------------------------------------------------------------- */
.auth-page {
  min-height: 100vh; display: grid; place-items: center; padding: 1.5rem;
  background:
    radial-gradient(60rem 30rem at 50% -10%, var(--hc-accent-soft), transparent 70%),
    var(--hc-page);
}
.auth-card { width: 100%; max-width: 380px; }
.auth-card .card-body { padding: 2rem; }

.htmx-indicator { opacity: 0; transition: opacity 0.2s; }
.htmx-request .htmx-indicator, .htmx-request.htmx-indicator { opacity: 1; }

/* ---- Monitor type picker ----------------------------------------------- */
.type-choice {
  display: flex; align-items: center; gap: 0.75rem; height: 100%;
  padding: 0.75rem 0.875rem; cursor: pointer;
  background: var(--hc-surface); border: 1px solid var(--hc-border-strong); border-radius: var(--hc-radius-sm);
  transition: border-color 0.12s, box-shadow 0.12s;
}
.type-choice:hover { border-color: var(--hc-muted); }
.btn-check:checked + .type-choice { border-color: var(--hc-ink); box-shadow: 0 0 0 1px var(--hc-ink); }
.btn-check:focus-visible + .type-choice { box-shadow: var(--hc-focus); }