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var(--border);opacity:.4;text-decoration:line-through}@media(max-width:600px){.header{padding:1.5rem 1rem}.title{font-size:1.5rem}.main{padding:1.25rem 1rem}.card{padding:1.25rem}.period-dates{font-size:.9rem}.stat-value{font-size:1.2rem}.calendar-grid{grid-template-columns:1fr 1fr}}