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768px){.page-title{font-size:2rem}.page-subtitle{font-size:1rem}.sign-type-list{grid-template-columns:1fr}.draw-button{padding:1rem 2rem;font-size:1.1rem}.sign-result{padding:1.5rem}.sign-result-header{flex-direction:column;align-items:flex-start;gap:.5rem}.result-actions{flex-direction:column}.action-button{width:100%}}