*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Sans-serif baseline (covers Dash root before component CSS loads) */
html,
body,
#react-entry-point {
  font-family:
    "Inter",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    "Helvetica Neue",
    Arial,
    sans-serif;
}

body {
  margin: 0;
  background: #f8fafc;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* App shell */
.turtle-app {
  font-family: inherit;
  color: #1e293b;
  max-width: 52rem;
  margin: 0 auto;
  padding: 1.5rem max(1rem, env(safe-area-inset-right)) 3rem
    max(1rem, env(safe-area-inset-left));
  padding-top: max(1.5rem, env(safe-area-inset-top));
  line-height: 1.5;
}

/* Top: title + meta + toggle */
.turtle-top {
  text-align: center;
  margin-bottom: 1.5rem;
  padding: 1.25rem 1.25rem 1.5rem;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

.turtle-app h1 {
  font-family: inherit;
  font-weight: 600;
  letter-spacing: -0.03em;
  font-size: 1.75rem;
  line-height: 1.2;
  color: #0f172a;
  margin: 0 0 0.75rem 0;
}

.turtle-meta-inner {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 0.65rem;
  margin-bottom: 1rem;
}

.turtle-meta-label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #64748b;
}

.turtle-meta-time {
  font-size: 1rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: #0f172a;
  padding: 0.25rem 0.65rem;
  background: #f1f5f9;
  border-radius: 6px;
}

.turtle-unit-wrap {
  display: flex;
  justify-content: center;
}

.turtle-app .turtle-unit-toggle {
  font-size: 0.9375rem;
  font-weight: 500;
  color: #334155;
}

/* Metrics: two-column grid so label / value never run together */
.turtle-gauge-grid {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 24rem;
  margin: 0 auto 0.5rem;
  padding: 1rem 1.25rem;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
  gap: 0;
}

.turtle-gauge-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem 1.25rem;
  align-items: baseline;
  padding: 0.5rem 0;
  border-bottom: 1px solid #f1f5f9;
  font-size: 0.9375rem;
}

.turtle-gauge-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.turtle-gauge-row:first-child {
  padding-top: 0;
}

.turtle-gauge-label {
  font-weight: 600;
  color: #475569;
  text-align: left;
}

.turtle-gauge-value {
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: #0f172a;
  text-align: right;
  white-space: nowrap;
}

.turtle-app h2 {
  font-family: inherit;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 1.25rem;
  line-height: 1.3;
  color: #0f172a;
  margin: 2rem 0 0.75rem 0;
  text-align: center;
}

.turtle-app h3 {
  font-family: inherit;
  font-weight: 600;
  letter-spacing: -0.015em;
  font-size: 1.05rem;
  color: #475569;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.turtle-app #lap-times {
  font-size: 1rem;
}

/* Horizontal scroll on narrow viewports so lap grid stays readable */
.turtle-lap-scroll {
  width: 100%;
  max-width: 40rem;
  margin: 0 auto 1.25rem auto;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 8px;
  scrollbar-width: thin;
}

.turtle-app .turtle-lap-table {
  width: 100%;
  min-width: 17.5rem;
  margin: 0;
  border-collapse: collapse;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  overflow: hidden;
  font-size: 0.9375rem;
  font-variant-numeric: tabular-nums;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.turtle-lap-th,
.turtle-lap-td {
  padding: 12px 10px;
  text-align: center;
  vertical-align: middle;
}

.turtle-app .turtle-lap-table thead th,
.turtle-app .turtle-lap-table .turtle-lap-th {
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #64748b;
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
}

@media (max-width: 640px) {
  .turtle-app {
    padding-left: max(0.65rem, env(safe-area-inset-left));
    padding-right: max(0.65rem, env(safe-area-inset-right));
    padding-bottom: 2rem;
  }

  .turtle-top {
    padding: 1rem 0.85rem 1.15rem;
    border-radius: 10px;
    margin-bottom: 1rem;
  }

  .turtle-app h1 {
    font-size: 1.35rem;
  }

  .turtle-meta-inner {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 18rem;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 0.85rem;
  }

  .turtle-meta-label {
    text-align: center;
  }

  .turtle-meta-time {
    display: block;
    width: 100%;
    text-align: center;
    font-size: 0.9375rem;
    padding: 0.4rem 0.5rem;
  }

  .turtle-unit-wrap {
    padding: 0.15rem 0;
  }

  .turtle-app .turtle-unit-toggle label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    min-height: 44px;
    padding: 0.25rem 0.35rem;
    cursor: pointer;
  }

  .turtle-gauge-grid {
    max-width: none;
    padding: 0.75rem 0.85rem;
    border-radius: 10px;
  }

  .turtle-gauge-row {
    gap: 0.45rem 0.65rem;
    font-size: 0.875rem;
    padding: 0.45rem 0;
  }

  .turtle-app h2 {
    font-size: 1.1rem;
    margin-top: 1.5rem;
  }

  .turtle-app h3 {
    font-size: 0.98rem;
    margin-top: 1.15rem;
  }

  .turtle-lap-scroll {
    max-width: none;
    margin-bottom: 1rem;
  }

  .turtle-app .turtle-lap-table {
    font-size: 0.8125rem;
    min-width: 19.5rem;
  }

  .turtle-lap-th,
  .turtle-lap-td {
    padding: 9px 6px;
  }

  .turtle-app .turtle-lap-table thead th,
  .turtle-app .turtle-lap-table .turtle-lap-th {
    font-size: 0.6875rem;
    letter-spacing: 0.03em;
  }
}

@media (max-width: 380px) {
  .turtle-app .turtle-lap-table {
    min-width: 17.25rem;
  }

  .turtle-lap-th,
  .turtle-lap-td {
    padding: 8px 4px;
  }
}

.turtle-app .turtle-map-section {
  margin-bottom: 1.5rem;
}

.turtle-app .turtle-map {
  border-radius: 0.75rem;
  overflow: hidden;
}

.turtle-app .turtle-empty {
  font-size: 1rem;
  color: #64748b;
  text-align: center;
}