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solid var(--color-error);color:#fff;box-shadow:var(--shadow-error)}._difficulty_1ezq2_126._hard_1ezq2_191:before{background:linear-gradient(90deg,transparent,var(--color-error),transparent)}._difficulty_1ezq2_126._hard_1ezq2_191:hover{transform:translateY(-2px);box-shadow:var(--shadow-error);border-color:var(--color-error-dark)}._algorithmDescription_1ezq2_208{color:var(--text-secondary);font-size:var(--font-sm);line-height:1.5;margin:0 0 var(--spacing-md) 0}._algorithmCategory_1ezq2_215{color:var(--color-info);font-size:var(--font-xs);font-weight:500;text-transform:uppercase;letter-spacing:.1em;opacity:.8}._leetcodeLinkSmall_1ezq2_224{background:var(--gradient-warning);color:var(--text-primary);text-decoration:none;padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm);font-size:var(--font-xs);font-weight:600;transition:var(--transition-fast);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);white-space:nowrap}._leetcodeLinkSmall_1ezq2_224:hover{transform:translateY(-1px);box-shadow:var(--shadow-md);background:var(--gradient-warning);filter:brightness(1.1)}@media(max-width:768px){._selectorContainer_1ezq2_1{padding:var(--spacing-md)}._title_1ezq2_10{font-size:var(--font-2xl)}._categoryFilter_1ezq2_33{gap:var(--spacing-xs)}._categoryButton_1ezq2_41{padding:var(--spacing-xs) var(--spacing-md);font-size:var(--font-sm)}._algorithmGrid_1ezq2_67{grid-template-columns:1fr;gap:var(--spacing-md)}}._testCaseNavigator_eyfyo_1{background:var(--bg-secondary);border:1px solid 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