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.topic-icon{width:64px;height:64px;font-size:25px}.practice-tile-featured .practice-tile-action{grid-area:3/2;justify-self:start;margin-top:10px}.practice-layout{grid-template-columns:minmax(0,1fr)}.session-panel{display:none}}@media (max-width:620px){.app-header{flex-wrap:wrap;gap:20px;min-height:70px;padding:0 18px}.brand{font-size:19px}.brand>span{width:30px;height:33px;font-size:24px}.header-nav{order:3;gap:26px;width:100%}.header-nav a{padding:4px 0 13px}.theme-toggle{min-height:36px;margin-top:12px;margin-bottom:12px;padding:0 10px}.quiz-setup,.quiz-setup-picker{width:calc(100% - 32px);padding:30px 0 40px}.dashboard-heading{margin-bottom:24px}.dashboard-heading h1{font-size:28px}.dashboard-heading p{font-size:15px}.practice-grid{grid-template-columns:1fr;gap:16px}.proof-workspace-link{grid-template-columns:42px minmax(0,1fr);padding:18px}.proof-workspace-icon{width:42px;height:42px;font-size:25px}.proof-workspace-action{white-space:normal;grid-column:2}.practice-tile{padding:22px}.practice-tile-featured{grid-template-columns:1fr;gap:12px}.practice-tile-featured .topic-icon{border-radius:14px;grid-area:1/1;width:54px;height:54px}.practice-tile-featured .practice-tile-label{grid-area:2/1}.practice-tile-featured .practice-tile-copy{grid-area:3/1}.practice-tile-featured .practice-tile-action{grid-area:4/1;width:100%}.setup-card{border-radius:16px;padding:26px 20px}.setup-card>p{font-size:15px}.setup-steps{gap:18px;margin-bottom:24px}.setup-steps li{gap:6px;font-size:13px}.setup-option{padding:16px}.quiz-workspace{width:calc(100% - 32px);padding-top:14px}.progress-summary{grid-template-columns:1fr auto;gap:12px}.progress-summary span:first-child{grid-column:1/-1}.progress-summary span:last-child{justify-self:end}.question-card{border-radius:16px;padding:24px 16px}.question-prompt-math{padding:14px 12px}.question-prompt-math .math-expression{font-size:1.05rem}.answer-choice{grid-template-columns:28px minmax(0,1fr) 16px;gap:9px;padding:14px 10px}.choice-letter{width:28px;height:28px}.question-actions{flex-direction:column;align-items:stretch;gap:12px}.action-hint{text-align:center}.feedback{padding:18px 14px}.completion-card{margin:32px auto;padding:32px 22px}.completion-actions{flex-direction:column}}@media (prefers-reduced-motion:reduce){*,:after,:before{scroll-behavior:auto!important;transition-duration:.01ms!important}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@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}