Sprint Planning Calculator

.calculator-container { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; margin: 20px auto; max-width: 1200px; background: #fff; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); padding: 30px; } .calculator-header { text-align: center; margin-bottom: 40px; } .calculator-header h1 { margin: 0 0 10px 0; color: #333; font-size: 2.5rem; font-weight: 300; } .calculator-header .date { color: #666; font-size: 0.9rem; } .two-column-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-bottom: 40px; } .