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door opens\a compare your choices again"}.tips-chapter:has(.path-code.yellow) .tip-card:nth-child(odd):before{content:"MINI CASE\a 1, 3, 6, 10\a changes are +2, +3, +4"}.tips-chapter:has(.path-code.yellow) .tip-card:nth-child(2n):before{content:"MINI CASE\a preserve what cannot change\a use that fact to rule options out"}.tips-chapter:has(.path-code.pink) .tip-card:nth-child(odd):before{content:"MINI CASE\a mark one corner before rotating\a track that corner, not the whole shape"}.tips-chapter:has(.path-code.pink) .tip-card:nth-child(2n):before{content:"MINI CASE\a cube counts: corner, edge, face\a count each group separately"}.tips-chapter:has(.path-code.cyan) .tip-card:nth-child(odd):before{content:"MINI CASE\a 2, 6, 12, 20\a gaps: +4, +6, +8 -> next 30"}.tips-chapter:has(.path-code.cyan) .tip-card:nth-child(2n):before{content:"MINI CASE\a test the rule with n = 1, 2, 3\a then look for the repeat"}.tip-card:after{content:"Notice -> try -> check"}.tips-locked{border:1px solid 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span{font-size:10px}.mobile-nav button.active{color:var(--blue);position:relative}.mobile-nav button.active:before{background:var(--blue);content:"";border-radius:5px;width:22px;height:3px;position:absolute;top:5px}.admin-view{gap:14px}.admin-toolbar{flex-wrap:wrap;gap:8px}.admin-toolbar .text-action{border:1px solid var(--line);background:#fff;border-radius:5px;padding:0 10px}.admin-stats{grid-template-columns:1fr}.admin-stats strong{font-size:24px}.admin-panel-heading{padding:15px}.admin-panel-heading h2{font-size:18px}.admin-row{padding:13px 15px}.content-form{padding:15px}}@media (max-width:380px){.brand-copy small{display:none}.subscribe-button{padding:0 8px;font-size:9px}.main-content{padding-inline:12px}.welcome-row h1,.page-heading h1{font-size:25px}.mobile-nav button{flex-basis:62px;min-width:62px}.daily-puzzle-card{padding:16px}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}