/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0f172a;
  --surface: #1e293b;
  --surface-2: #273449;
  --border: #334155;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --accent-blue: #38bdf8;
  --accent-green: #4ade80;
  --accent-orange: #fb923c;
  --accent-red: #f87171;
  --accent-pink: #f472b6;
  --accent-yellow: #facc15;
  --radius: 12px;

  /* Harmonize Pico with the existing palette */
  --pico-background-color: var(--bg);
  --pico-color: var(--text);
  --pico-muted-color: var(--text-muted);
  --pico-h1-color: var(--text);
  --pico-h2-color: var(--text);
  --pico-h3-color: var(--text);
  --pico-primary: var(--accent-pink);
  --pico-primary-hover: var(--accent-pink);
  --pico-primary-focus: rgba(244, 114, 182, 0.25);
  --pico-card-background-color: var(--surface);
  --pico-card-border-color: var(--border);
  --pico-border-color: var(--border);
  --pico-border-radius: var(--radius);
  --pico-form-element-background-color: var(--surface);
  --pico-form-element-border-color: var(--border);
  --pico-form-element-color: var(--text);
}

html { font-size: 16px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== Header / Main / Footer ===== */
header {
  text-align: center;
  padding: 2rem 1rem 1rem;
}

header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--text-muted);
  margin-top: 0.25rem;
  font-size: 0.9rem;
}

main {
  flex: 1;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 0 1rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

footer {
  text-align: center;
  padding: 1.5rem 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

footer a {
  color: var(--accent-pink);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

.muted {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ===== Cards ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
}

.card--views::before      { background: var(--accent-pink); }
.card--uptime::before     { background: var(--accent-green); }
.card--mem::before        { background: var(--accent-orange); }
.card--goroutines::before { background: var(--accent-blue); }

.card__icon { font-size: 2rem; flex-shrink: 0; }
.card__body { display: flex; flex-direction: column; }

.card__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.card__value {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.1;
}

.card--views     .card__value { color: var(--accent-pink); }
.card--uptime    .card__value { color: var(--accent-green); }
.card--mem       .card__value { color: var(--accent-orange); }
.card--goroutines .card__value { color: var(--accent-blue); }

.card__unit {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

/* ===== Panels & charts ===== */
.chart-container,
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.chart-container h2,
.panel h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

canvas {
  width: 100% !important;
  height: 300px !important;
}

/* ===== API Health ===== */
.api-health {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.api-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-green);
  border-radius: 8px;
}

.api-row--ok        { border-left-color: var(--accent-green); }
.api-row--recovered { border-left-color: var(--accent-yellow); }
.api-row--failing   { border-left-color: var(--accent-red); }

.api-row__name {
  font-weight: 600;
  font-size: 0.9rem;
}

.api-row__stats {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  margin-top: 0.2rem;
  font-size: 0.8rem;
}

.api-row__rate {
  color: var(--accent-green);
  font-weight: 700;
}

.api-row--recovered .api-row__rate { color: var(--accent-yellow); }
.api-row--failing   .api-row__rate { color: var(--accent-red); }

.api-row__meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: right;
  line-height: 1.5;
}

.api-row__meta strong { color: var(--text); font-weight: 600; }

.api-row__error {
  color: var(--accent-red);
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 0.25rem;
}

/* ===== Heatmap ===== */
.heatmap {
  display: grid;
  grid-template-columns: auto repeat(24, minmax(14px, 1fr));
  gap: 2px;
  font-size: 0.65rem;
  color: var(--text-muted);
}

.heatmap__corner,
.heatmap__hour,
.heatmap__day {
  text-align: center;
  padding: 2px;
}

.heatmap__day { text-align: right; padding-right: 6px; font-weight: 600; }

.heatmap__cell {
  aspect-ratio: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 2px;
}

.heatmap__legend {
  margin-top: 0.75rem;
}

/* ===== Map ===== */
.map {
  height: 420px;
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg);
}

.map__disabled {
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: 8px;
  text-align: center;
}

.map__legend {
  margin-top: 0.75rem;
}

/* Leaflet overrides for dark theme */
.leaflet-container {
  background: #0b1120;
  font-family: inherit;
}

.leaflet-control-attribution {
  background: rgba(15, 23, 42, 0.85) !important;
  color: var(--text-muted) !important;
}

.leaflet-control-attribution a {
  color: var(--accent-blue) !important;
}

.leaflet-control-zoom a {
  background: var(--surface) !important;
  color: var(--text) !important;
  border-color: var(--border) !important;
}

.leaflet-control-zoom a:hover {
  background: var(--surface-2) !important;
}

/* ===== Countries ===== */
.countries {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.countries__row {
  display: grid;
  grid-template-columns: auto 1fr 2fr auto auto;
  gap: 0.75rem;
  align-items: center;
  font-size: 0.9rem;
}

.countries__flag {
  font-size: 1.25rem;
  line-height: 1;
}

.countries__name {
  font-weight: 500;
}

.countries__bar {
  background: var(--bg);
  border-radius: 999px;
  height: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.countries__bar-fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-pink));
  transition: width 0.3s;
}

.countries__count {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.countries__pct {
  font-variant-numeric: tabular-nums;
  min-width: 3.5em;
  text-align: right;
}

/* ===== Screen resolutions ===== */
.screens {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.screens__row {
  display: grid;
  grid-template-columns: auto auto 2fr auto auto;
  gap: 0.75rem;
  align-items: center;
  font-size: 0.9rem;
}

.screens__icon {
  font-size: 1.2rem;
  line-height: 1;
}

.screens__size {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.85rem;
  font-weight: 500;
  min-width: 8em;
}

.screens__bar {
  background: var(--bg);
  border-radius: 999px;
  height: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.screens__bar-fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-blue));
  transition: width 0.3s;
}

.screens__count {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.screens__pct {
  font-variant-numeric: tabular-nums;
  min-width: 3.5em;
  text-align: right;
}

/* ===== Runtime ===== */
.runtime {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1rem;
  font-size: 0.9rem;
}

.runtime dt {
  color: var(--text-muted);
}

.runtime dd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.85rem;
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
  .api-row {
    grid-template-columns: 1fr;
  }
  .api-row__meta { text-align: left; }
  .heatmap {
    font-size: 0.55rem;
    grid-template-columns: auto repeat(24, minmax(10px, 1fr));
  }
  canvas { height: 240px !important; }
  .countries__row {
    grid-template-columns: auto 1fr auto;
    gap: 0.5rem;
  }
  .countries__bar,
  .countries__pct { display: none; }
  .screens__row {
    grid-template-columns: auto auto 1fr;
    gap: 0.5rem;
  }
  .screens__bar,
  .screens__pct { display: none; }
}