/* Analytical Chart Component */
.road-trip-card {
  background: linear-gradient(180deg, #162032 0%, #101726 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  overflow: hidden;
}

.road-trip-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

/* Header & Controls */
.rt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.rt-title-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.rt-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
}

.rt-icon.bp {
  background: linear-gradient(135deg, #f43f5e, #be123c);
  box-shadow: 0 4px 12px rgba(244, 63, 94, 0.35);
}

.rt-icon.weight {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

.rt-icon.lab {
  background: linear-gradient(135deg, #10b981, #047857);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
}

.rt-title-text h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.01em;
}

.rt-title-text p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Timeframe Segmented Control (Pill Switcher) */
.rt-timeframe-control {
  display: inline-flex;
  padding: 0.25rem;
  background-color: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
}

.rt-tf-btn {
  background: transparent;
  border: none;
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.rt-tf-btn:hover {
  color: #ffffff;
}

.rt-tf-btn.active {
  background-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.4);
}

/* Stats Bar (KPI Dashboard Above Chart) */
.rt-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.75rem;
  background-color: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
}

.rt-stat-item {
  display: flex;
  flex-direction: column;
}

.rt-stat-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 600;
  margin-block-end: 0.25rem;
}

.rt-stat-value {
  font-family: var(--font-family-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.1;
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
}

.rt-stat-unit {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.rt-stat-sub {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-block-start: 0.2rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.rt-stat-sub.positive {
  color: var(--accent-emerald);
}

.rt-stat-sub.negative {
  color: var(--accent-rose);
}

.rt-stat-sub.warning {
  color: var(--accent-amber);
}

/* Chart Canvas Wrapper */
.rt-chart-wrapper {
  position: relative;
  width: 100%;
  height: 280px;
}

/* Floating Scrubber / Crosshair Card */
.rt-scrubber-card {
  position: absolute;
  pointer-events: none;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.85rem;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
  font-family: var(--font-family-base);
  font-size: 0.8rem;
  z-index: 20;
  display: none;
  backdrop-filter: blur(8px);
}

.rt-scrubber-date {
  color: var(--text-muted);
  font-size: 0.7rem;
  margin-block-end: 0.35rem;
  border-block-end: 1px solid rgba(255, 255, 255, 0.1);
  padding-block-end: 0.25rem;
}

.rt-scrubber-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-block-end: 0.2rem;
}

.rt-scrubber-val {
  font-family: var(--font-family-mono);
  font-weight: 700;
  color: #ffffff;
}

/* Reference Band Legend */
.rt-legend-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.25rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  padding-block-start: 0.5rem;
}

.rt-legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

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

@media (max-width: 600px) {
  .road-trip-card {
    padding: 1rem 0.75rem;
    max-width: 100%;
    box-sizing: border-box;
  }
  .rt-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    padding: 0.6rem 0.75rem;
  }
  .rt-stat-value {
    font-size: 1.1rem;
  }
  .rt-chart-wrapper {
    height: 220px;
    max-width: 100%;
    overflow: hidden;
  }
  .rt-header {
    gap: 0.5rem;
  }
  .rt-timeframe-control {
    width: 100%;
    justify-content: space-around;
  }
  .rt-tf-btn {
    padding: 0.3rem 0.5rem;
    font-size: 0.7rem;
  }
}