:root {
  --primary-bg: #ffffff;
  --secondary-bg: #f7f8fc;
  --tool-border: #e0e4f0;
  --text-primary: #1a202c;
  --text-secondary: #5a647b;
  --accent-color: #3b82f6;
  --accent-color-light: #eff6ff;
  --marker-swe: #006aa7; /* Swedish Blue */
  --marker-ny: #bf0a30;  /* American Red */
  --day-color: #fde68a;
  --night-color: #4a5568;
  --tool-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --border-radius: 8px;
}

#time-tool-container {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--primary-bg);
  border-radius: var(--border-radius);
  padding: 24px;
  max-width: 600px;
  margin: 20px auto;
  box-shadow: var(--tool-shadow);
  border: 1px solid var(--tool-border);
  color: var(--text-primary);
}

.tool-header h3 {
  margin: 0 0 4px 0;
  font-size: 1.5rem;
  color: var(--text-primary);
}

.tool-header p {
  margin: 0 0 24px 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.tool-section {
  background-color: var(--secondary-bg);
  border: 1px solid var(--tool-border);
  padding: 16px;
  border-radius: var(--border-radius);
  margin-bottom: 20px;
}

.tool-section:last-child {
  margin-bottom: 0;
}

.tool-section h4 {
  margin: 0 0 16px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.inputs-wrapper {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.input-field {
  flex: 1;
}

.input-field label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.input-field input {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--tool-border);
  border-radius: 6px;
  font-size: 1rem;
  background-color: var(--primary-bg);
  box-sizing: border-box;
}

#reset-to-now-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--accent-color-light);
  color: var(--accent-color);
  border: 1px solid var(--accent-color);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
}

#reset-to-now-btn:hover {
  background-color: #dbeafe;
}

.main-result {
  text-align: center;
  margin-bottom: 20px;
}

.city-label {
  font-size: 1rem;
  color: var(--text-secondary);
}

.time-display {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--accent-color);
}

.date-display {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.insights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.insight-card {
  display: flex;
  align-items: center;
  background-color: var(--primary-bg);
  padding: 12px;
  border-radius: 6px;
  border: 1px solid var(--tool-border);
}

.insight-icon {
  font-size: 1.5rem;
  margin-right: 12px;
}

.insight-text {
  display: flex;
  flex-direction: column;
}

.insight-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.insight-text strong {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.timeline-container {
  padding-top: 8px;
}

.timeline-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.timeline-city {
  flex-basis: 70px;
  flex-shrink: 0;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: right;
}

.timeline-bar {
  flex-grow: 1;
  height: 24px;
  background: linear-gradient(90deg, var(--night-color) 25%, var(--day-color) 50%, var(--night-color) 75%);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--tool-border);
}

.timeline-marker {
  position: absolute;
  top: -2px;
  bottom: -2px;
  width: 4px;
  background-color: white;
  border-radius: 2px;
  transform: translateX(-50%);
  box-shadow: 0 0 5px rgba(0,0,0,0.5);
  border: 1px solid black;
}

#swe-marker { border-color: var(--marker-swe); }
#ny-marker { border-color: var(--marker-ny); }

.timeline-axis {
  display: flex;
  justify-content: space-between;
  margin-left: 82px; /* 70px width + 12px gap */
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Mobile Responsiveness */
@media (min-width: 480px) {
  .insights-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 420px) {
  .inputs-wrapper {
    flex-direction: column;
  }
  .timeline-city {
    flex-basis: 60px;
    font-size: 0.8rem;
  }
  .timeline-axis {
    margin-left: 72px; /* 60px + 12px */
  }
}






table {
            border-collapse: collapse;
            width: 100%;
            margin: 20px 0;
        }
        th, td {
            border: 1px solid #ddd;
            padding: 8px;
            text-align: left;
        }
        th {
            background-color: #f2f2f2;
        }
        tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        .note {
            background-color: #e7f3fe;
            padding: 15px;
            border-left: 6px solid #2196F3;
            margin: 20px 0;
        }