/* Copied verbatim from cpp/src/http/web_assets.cpp's kStyleCss (the real
   dashboard's stylesheet) as of this snapshot, plus a small .demo-banner
   block at the end for this static preview page. Not auto-synced — if the
   real dashboard's CSS changes, this file needs a manual re-copy. */
:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-secondary: #52514e;
  --ink-muted: #898781;
  --gridline: #e1e0d9;
  --border: rgba(11, 11, 11, 0.10);
  --series-in: #2a78d6;
  --series-out: #1baf7a;
  --status-good: #0ca30c;
  --status-warning: #fab219;
  --status-critical: #d03b3b;
  --status-good-wash: rgba(12, 163, 12, 0.12);
  --status-warning-wash: rgba(250, 178, 25, 0.16);
  --status-critical-wash: rgba(208, 59, 59, 0.12);
  --accent: #2a78d6;
  --accent-hover: #1c5cab;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #ffffff;
    --ink-secondary: #c3c2b7;
    --ink-muted: #898781;
    --gridline: #2c2c2a;
    --border: rgba(255, 255, 255, 0.10);
    --series-in: #3987e5;
    --series-out: #199e70;
    --status-good: #0ca30c;
    --status-warning: #fab219;
    --status-critical: #d03b3b;
    --status-good-wash: rgba(12, 163, 12, 0.18);
    --status-warning-wash: rgba(250, 178, 25, 0.20);
    --status-critical-wash: rgba(208, 59, 59, 0.20);
    --accent: #3987e5;
    --accent-hover: #5598e7;
  }
}

/* Manual theme toggle: an attribute selector on :root has higher
   specificity than the plain :root/media-query rules above, so these
   win whenever data-theme is actually set (by the head script or the
   toggle button in app.js) — and since attribute selectors simply
   don't match when the attribute is absent, the OS-driven media query
   above still governs until the user toggles once. */
:root[data-theme="light"] {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-secondary: #52514e;
  --ink-muted: #898781;
  --gridline: #e1e0d9;
  --border: rgba(11, 11, 11, 0.10);
  --series-in: #2a78d6;
  --series-out: #1baf7a;
  --status-good: #0ca30c;
  --status-warning: #fab219;
  --status-critical: #d03b3b;
  --status-good-wash: rgba(12, 163, 12, 0.12);
  --status-warning-wash: rgba(250, 178, 25, 0.16);
  --status-critical-wash: rgba(208, 59, 59, 0.12);
  --accent: #2a78d6;
  --accent-hover: #1c5cab;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --ink: #ffffff;
  --ink-secondary: #c3c2b7;
  --ink-muted: #898781;
  --gridline: #2c2c2a;
  --border: rgba(255, 255, 255, 0.10);
  --series-in: #3987e5;
  --series-out: #199e70;
  --status-good: #0ca30c;
  --status-warning: #fab219;
  --status-critical: #d03b3b;
  --status-good-wash: rgba(12, 163, 12, 0.18);
  --status-warning-wash: rgba(250, 178, 25, 0.20);
  --status-critical-wash: rgba(208, 59, 59, 0.20);
  --accent: #3987e5;
  --accent-hover: #5598e7;
}

* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  padding: 0 1.5rem 3rem;
  background: var(--page);
  color: var(--ink);
}

header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1.5rem 0 1.25rem;
  max-width: 1200px;
  margin: 0 auto;
}

header h1 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 1.3rem;
  font-weight: 600;
}

.logo-icon {
  flex: none;
}

#last-updated {
  color: var(--ink-muted);
  font-size: 0.85rem;
}

.navbar {
  display: flex;
  gap: 0.4rem;
  max-width: 1200px;
  margin: 0 auto;
  padding-bottom: 1rem;
}

.nav-btn,
.nav-settings-link {
  font: inherit;
  display: inline-block;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--ink-secondary);
  cursor: pointer;
  font-size: 0.85rem;
  text-decoration: none;
}

.nav-btn:hover,
.nav-settings-link:hover {
  background: color-mix(in srgb, var(--ink) 6%, transparent);
}

.nav-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.page {
  display: none;
}

.page.active {
  display: block;
}

.filter-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  max-width: 1200px;
  margin: 0 auto 0.85rem;
  font-size: 0.82rem;
  color: var(--ink-secondary);
}

.segmented {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.segmented-btn {
  font: inherit;
  padding: 0.3rem 0.7rem;
  border: none;
  border-left: 1px solid var(--border);
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-size: 0.8rem;
}

.segmented-btn:first-child {
  border-left: none;
}

.segmented-btn.active {
  background: var(--accent);
  color: white;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.device {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.1rem 1.25rem;
}

.device.unreachable {
  border-color: var(--status-critical);
}

.device.hidden-by-filter,
.iface-card.hidden-by-filter {
  display: none;
}

.device-header {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 0.15rem;
}

.device-header h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.device-host {
  color: var(--ink-muted);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
}

.device-descr {
  color: var(--ink-muted);
  font-size: 0.78rem;
  margin: 0 0 0.5rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.device .meta {
  color: var(--ink-secondary);
  font-size: 0.85rem;
  margin: 0 0 0.85rem;
}

.device .error {
  color: var(--status-critical);
  font-size: 0.9rem;
  margin: 0.25rem 0 0;
}

.interfaces {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.75rem;
}

.iface-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 0.85rem;
}

.iface-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.iface-name {
  font-weight: 600;
  font-size: 0.92rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.iface-meta {
  color: var(--ink-muted);
  font-size: 0.78rem;
  margin: 0.15rem 0 0.6rem;
  font-variant-numeric: tabular-nums;
}

.iface-warn {
  font-size: 0.78rem;
  margin-top: 0.5rem;
}

.iface-warn-warning {
  color: var(--status-warning);
}

.iface-warn-critical {
  color: var(--status-critical);
  font-weight: 600;
}

.mac-details {
  margin-top: 0.5rem;
  font-size: 0.78rem;
}

.mac-details summary {
  color: var(--ink-secondary);
  cursor: pointer;
}

.mac-details ul {
  margin: 0.35rem 0 0;
  padding-left: 1.1rem;
  color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
}

.down-ports {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.75rem;
}

.down-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.78rem;
  color: var(--ink-secondary);
  background: color-mix(in srgb, var(--ink) 4%, transparent);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  white-space: nowrap;
}

.no-up-note {
  color: var(--ink-muted);
  font-size: 0.85rem;
  margin: 0;
}

/* Status pill: icon + text always together, never color alone. */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  white-space: nowrap;
}

.pill-good {
  background: var(--status-good-wash);
  color: var(--status-good);
}

.pill-warning {
  background: var(--status-warning-wash);
  color: var(--status-warning);
}

.pill-critical {
  background: var(--status-critical-wash);
  color: var(--status-critical);
}

.iface-charts {
  display: flex;
  gap: 0.6rem;
}

.sparkline-wrap {
  flex: 1;
  min-width: 0;
  position: relative;
}

.sparkline-label {
  color: var(--ink-muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.1rem;
}

.sparkline {
  display: block;
  width: 100%;
  height: 90px;
  cursor: crosshair;
}

.sparkline-empty {
  color: var(--ink-muted);
  font-size: 0.78rem;
  height: 90px;
  display: flex;
  align-items: center;
}

.sparkline-value {
  font-size: 0.78rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  margin-top: 0.1rem;
}

.sparkline-range {
  font-size: 0.7rem;
  color: var(--ink-muted);
}

.sparkline-tooltip {
  position: absolute;
  top: -1.9rem;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--surface);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
  z-index: 1;
}

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-button {
  font: inherit;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.header-button:hover {
  background: color-mix(in srgb, var(--ink) 8%, transparent);
}

/* Wallboard mode: hide chrome that's pointless on a wallboard (nav,
   the port filter, header buttons) but keep #summary/#alert-banner —
   "what's wrong right now" is exactly what a wallboard should show. */
body.kiosk-mode .navbar,
body.kiosk-mode .filter-bar,
body.kiosk-mode .header-actions,
body.kiosk-mode .demo-banner {
  display: none;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  max-width: 1200px;
  margin: 0 auto 1rem;
}

.stat-tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 1.1rem;
}

.stat-tile-label {
  color: var(--ink-muted);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.stat-tile-value {
  font-size: 1.55rem;
  font-weight: 600;
  margin-top: 0.2rem;
}

.stat-tile-sub {
  color: var(--ink-muted);
  font-size: 0.75rem;
  margin-top: 0.1rem;
}

/* Meter: fill carries severity (accent/warning/critical); the track is
   a lighter step of the same ramp so state reads across the whole bar. */
.meter {
  height: 6px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ink) 10%, transparent);
  margin-top: 0.5rem;
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--accent);
}

.meter-fill.warning {
  background: var(--status-warning);
}

.meter-fill.critical {
  background: var(--status-critical);
}

/* Icon + text always together, never color alone, matching the pills. */
.alert-banner {
  display: none;
  align-items: center;
  gap: 0.5rem;
  max-width: 1200px;
  margin: 0 auto 1rem;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
}

.alert-banner.visible {
  display: flex;
}

.alert-banner.warning {
  background: var(--status-warning-wash);
  color: var(--status-warning);
}

.alert-banner.critical {
  background: var(--status-critical-wash);
  color: var(--status-critical);
}

.overview-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.overview-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.1rem 1.25rem;
}

.overview-card h3 {
  margin: 0 0 0.85rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.errors-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.errors-table th,
.errors-table td {
  text-align: left;
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--border);
}

.errors-table th {
  color: var(--ink-muted);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.errors-empty {
  color: var(--ink-muted);
  font-size: 0.85rem;
  margin: 0;
}

/* ---- Demo-page-only addition (not part of the real dashboard's CSS). */
.demo-banner {
  max-width: 1200px;
  margin: 0 auto 1rem;
  padding: 0.7rem 1rem;
  border-radius: 8px;
  background: var(--status-warning-wash);
  color: var(--status-warning);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.demo-banner a {
  color: inherit;
  font-weight: 600;
  text-decoration: underline;
}