:root{--primary: #3b82f6;--primary-hover: #2563eb;--primary-light: #93c5fd;--primary-dark: #1d4ed8;--success: #22c55e;--success-light: #86efac;--success-dark: #16a34a;--error: #ef4444;--error-light: #fca5a5;--error-dark: #dc2626;--warning: #f59e0b;--warning-light: #fcd34d;--warning-dark: #d97706;--background: #f8fafc;--background-secondary: #f1f5f9;--background-card: #ffffff;--background-overlay: rgba(0, 0, 0, .5);--text-primary: #1e293b;--text-secondary: #64748b;--text-tertiary: #94a3b8;--text-inverse: #ffffff;--border-color: #e2e8f0;--border-color-hover: #cbd5e1;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-md: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .1);--radius-sm: 6px;--radius: 12px;--radius-md: 16px;--radius-lg: 24px;--radius-full: 9999px;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--font-xs: .75rem;--font-sm: .875rem;--font-base: 1rem;--font-lg: 1.125rem;--font-xl: 1.25rem;--font-2xl: 1.5rem;--font-3xl: 2rem;--font-4xl: 2.5rem;--font-normal: 400;--font-medium: 500;--font-semibold: 600;--font-bold: 700;--leading-tight: 1.25;--leading-normal: 1.5;--leading-relaxed: 1.75;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease;--z-dropdown: 100;--z-modal: 200;--z-overlay: 300;--z-scratchpad: 400;--z-toast: 500}.math-container{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;padding:var(--spacing-md);gap:var(--spacing-md)}.math-container-row{display:flex;flex-direction:row;align-items:center;justify-content:center;gap:var(--spacing-md)}.math-text-xs{font-size:var(--font-sm);font-weight:var(--font-medium);color:var(--text-primary)}.math-text-sm{font-size:var(--font-lg);font-weight:var(--font-medium);color:var(--text-primary)}.math-text-md{font-size:var(--font-2xl);font-weight:var(--font-semibold);color:var(--text-primary)}.math-text-lg{font-size:var(--font-3xl);font-weight:var(--font-bold);color:var(--text-primary)}.math-text-xl{font-size:var(--font-4xl);font-weight:var(--font-bold);color:var(--text-primary)}.math-variable{font-style:italic;font-weight:var(--font-bold);color:var(--primary)}.math-diagram{width:100%;max-width:500px;display:flex;align-items:center;justify-content:center}.math-diagram svg{width:100%;height:100%;stroke:var(--text-primary);stroke-width:2;fill:none}.math-diagram svg .fill-primary{fill:var(--primary-light);fill-opacity:.3}.math-diagram svg .stroke-primary{stroke:var(--primary)}.math-diagram svg text{fill:var(--text-primary);stroke:none;font-size:14px;font-weight:var(--font-semibold)}.math-diagram svg text.text-small{font-size:8px}.math-fraction{display:inline-flex;flex-direction:column;align-items:center;text-align:center;vertical-align:middle}.math-fraction-numerator{padding:0 var(--spacing-sm);border-bottom:2px solid var(--text-primary)}.math-fraction-denominator{padding:0 var(--spacing-sm)}.math-grid{display:grid;gap:var(--spacing-sm);justify-items:center;align-items:center}.math-grid-2{grid-template-columns:repeat(2,auto)}.math-grid-3{grid-template-columns:repeat(3,auto)}.math-grid-4{grid-template-columns:repeat(4,auto)}.math-equation{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);font-size:var(--font-2xl);font-weight:var(--font-semibold)}.math-operator{font-weight:var(--font-normal);color:var(--text-secondary)}.math-vertical{display:flex;flex-direction:column;align-items:flex-end;font-family:monospace;font-size:var(--font-2xl);font-weight:var(--font-semibold)}.math-vertical-row{display:flex;align-items:center;gap:var(--spacing-sm)}.math-vertical-line{width:100%;height:2px;background-color:var(--text-primary);margin:var(--spacing-xs) 0}.math-division{display:flex;flex-direction:column;align-items:flex-start;font-family:monospace;font-size:var(--font-2xl)}.math-division-bracket{border-left:2px solid var(--text-primary);border-top:2px solid var(--text-primary);padding:var(--spacing-xs) var(--spacing-sm);margin-left:var(--spacing-md)}.math-place-value{display:flex;gap:var(--spacing-xs)}.math-place-value-box{width:40px;height:50px;border:2px solid var(--border-color);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:var(--font-xl);font-weight:var(--font-bold)}.math-place-value-label{font-size:var(--font-xs);color:var(--text-secondary);text-align:center;margin-top:var(--spacing-xs)}.math-number-line{width:100%;max-width:400px;position:relative;padding:var(--spacing-lg) 0}.math-number-line-axis{width:100%;height:2px;background-color:var(--text-primary);position:relative}.math-number-line-tick{position:absolute;width:2px;height:10px;background-color:var(--text-primary);transform:translate(-50%)}.math-number-line-label{position:absolute;transform:translate(-50%);top:15px;font-size:var(--font-sm)}.math-number-line-point{position:absolute;width:12px;height:12px;background-color:var(--primary);border-radius:50%;transform:translate(-50%,-50%);top:0}.solution-container{width:100%;padding:var(--spacing-md);background-color:var(--background-secondary);border-radius:var(--radius);text-align:left}.solution-step{display:flex;gap:var(--spacing-sm);margin-bottom:var(--spacing-sm);align-items:flex-start}.solution-step-number{flex-shrink:0;width:24px;height:24px;background-color:var(--primary);color:var(--text-inverse);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:var(--font-sm);font-weight:var(--font-bold)}.solution-step-text{flex:1;font-size:var(--font-base);line-height:var(--leading-relaxed)}.solution-highlight{background-color:var(--primary-light);padding:2px 6px;border-radius:var(--radius-sm);font-weight:var(--font-semibold)}.solution-answer{font-size:var(--font-lg);font-weight:var(--font-bold);color:var(--success-dark);margin-top:var(--spacing-md);padding:var(--spacing-sm) var(--spacing-md);background-color:var(--success-light);border-radius:var(--radius);text-align:center}.math-table{border-collapse:collapse;width:100%;max-width:400px}.math-table th,.math-table td{border:1px solid var(--border-color);padding:var(--spacing-sm) var(--spacing-md);text-align:center}.math-table th{background-color:var(--background-secondary);font-weight:var(--font-semibold)}.math-table tr:nth-child(2n){background-color:var(--background-secondary)}.math-angle{stroke:var(--primary);fill:none;stroke-width:2}.math-angle-label{font-size:12px;fill:var(--primary)}.math-measure{font-size:14px;font-weight:var(--font-semibold);fill:var(--text-primary)}.math-measure-unit{font-size:12px;font-weight:var(--font-normal)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}ul,ol{list-style:none}a{text-decoration:none;color:inherit}button{background:none;border:none;cursor:pointer;font:inherit;color:inherit}input,textarea,select{font:inherit;color:inherit}button,[role=button]{user-select:none;-webkit-user-select:none}html{font-size:16px;-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;font-size:var(--font-base);line-height:var(--leading-normal);color:var(--text-primary);background-color:var(--background);min-height:100vh;min-height:100dvh}#root{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}.app-container{flex:1;display:flex;flex-direction:column;max-width:768px;margin:0 auto;width:100%;padding:var(--spacing-md)}.screen{flex:1;display:flex;flex-direction:column}.screen-center{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.text-xs{font-size:var(--font-xs)}.text-sm{font-size:var(--font-sm)}.text-base{font-size:var(--font-base)}.text-lg{font-size:var(--font-lg)}.text-xl{font-size:var(--font-xl)}.text-2xl{font-size:var(--font-2xl)}.text-3xl{font-size:var(--font-3xl)}.text-4xl{font-size:var(--font-4xl)}.font-normal{font-weight:var(--font-normal)}.font-medium{font-weight:var(--font-medium)}.font-semibold{font-weight:var(--font-semibold)}.font-bold{font-weight:var(--font-bold)}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.text-tertiary{color:var(--text-tertiary)}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mt-xs{margin-top:var(--spacing-xs)}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mt-xl{margin-top:var(--spacing-xl)}.mb-xs{margin-bottom:var(--spacing-xs)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}.p-xs{padding:var(--spacing-xs)}.p-sm{padding:var(--spacing-sm)}.p-md{padding:var(--spacing-md)}.p-lg{padding:var(--spacing-lg)}.p-xl{padding:var(--spacing-xl)}.flex{display:flex}.flex-col{flex-direction:column}.flex-row{flex-direction:row}.flex-wrap{flex-wrap:wrap}.flex-1{flex:1}.items-center{align-items:center}.items-start{align-items:flex-start}.items-end{align-items:flex-end}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.justify-around{justify-content:space-around}.gap-xs{gap:var(--spacing-xs)}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}.w-full{width:100%}.max-w-sm{max-width:384px}.max-w-md{max-width:448px}.max-w-lg{max-width:512px}.px-xs{padding-left:var(--spacing-xs);padding-right:var(--spacing-xs)}.px-sm{padding-left:var(--spacing-sm);padding-right:var(--spacing-sm)}.px-md{padding-left:var(--spacing-md);padding-right:var(--spacing-md)}.px-lg{padding-left:var(--spacing-lg);padding-right:var(--spacing-lg)}.py-xs{padding-top:var(--spacing-xs);padding-bottom:var(--spacing-xs)}.py-sm{padding-top:var(--spacing-sm);padding-bottom:var(--spacing-sm)}.py-md{padding-top:var(--spacing-md);padding-bottom:var(--spacing-md)}.py-lg{padding-top:var(--spacing-lg);padding-bottom:var(--spacing-lg)}.rounded{border-radius:var(--radius)}.rounded-sm{border-radius:var(--radius-sm)}.rounded-md{border-radius:var(--radius-md)}.rounded-lg{border-radius:var(--radius-lg)}.rounded-full{border-radius:var(--radius-full)}.text-inverse{color:var(--text-inverse)}.inline-block{display:inline-block}.inline-flex{display:inline-flex}.hidden{display:none}.visible{visibility:visible}.invisible{visibility:hidden}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes shake{0%,to{transform:translate(0)}10%,30%,50%,70%,90%{transform:translate(-5px)}20%,40%,60%,80%{transform:translate(5px)}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-fadeIn{animation:fadeIn var(--transition-normal)}.animate-slideUp{animation:slideUp var(--transition-normal)}.animate-scaleIn{animation:scaleIn var(--transition-normal)}.animate-shake{animation:shake .5s ease-in-out}.animate-bounce{animation:bounce .5s ease-in-out}.animate-pulse{animation:pulse 1s ease-in-out infinite}.animate-spin{animation:spin 1s linear infinite}.touch-feedback{transition:transform var(--transition-fast),opacity var(--transition-fast)}.touch-feedback:active{transform:scale(.98);opacity:.9}.safe-area-top{padding-top:env(safe-area-inset-top)}.safe-area-bottom{padding-bottom:env(safe-area-inset-bottom)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--background-secondary)}::-webkit-scrollbar-thumb{background:var(--text-tertiary);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);border-radius:var(--radius-md);font-weight:var(--font-semibold);transition:all var(--transition-fast);cursor:pointer;border:none;outline:none;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation;white-space:nowrap}.btn-sm{padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-sm);min-height:40px;min-width:80px}.btn-md{padding:var(--spacing-md) var(--spacing-lg);font-size:var(--font-base);min-height:52px;min-width:120px}.btn-lg{padding:var(--spacing-lg) var(--spacing-xl);font-size:var(--font-lg);min-height:64px;min-width:160px}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:var(--text-inverse);box-shadow:0 4px 12px #3b82f64d}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,var(--primary-hover) 0%,var(--primary-dark) 100%);box-shadow:0 6px 16px #3b82f666;transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(1px);box-shadow:0 2px 8px #3b82f64d}.btn-secondary{background:var(--background-card);color:var(--text-primary);border:2px solid var(--border-color);box-shadow:var(--shadow-sm)}.btn-secondary:hover:not(:disabled){border-color:var(--primary);color:var(--primary);background:var(--background-secondary)}.btn-secondary:active:not(:disabled){transform:translateY(1px)}.btn-success{background:linear-gradient(135deg,var(--success) 0%,var(--success-dark) 100%);color:var(--text-inverse);box-shadow:0 4px 12px #22c55e4d}.btn-success:hover:not(:disabled){background:linear-gradient(135deg,var(--success-light) 0%,var(--success) 100%);box-shadow:0 6px 16px #22c55e66;transform:translateY(-1px)}.btn-success:active:not(:disabled){transform:translateY(1px)}.btn-danger{background:linear-gradient(135deg,var(--error) 0%,var(--error-dark) 100%);color:var(--text-inverse);box-shadow:0 4px 12px #ef44444d}.btn-danger:hover:not(:disabled){background:linear-gradient(135deg,var(--error-light) 0%,var(--error) 100%);box-shadow:0 6px 16px #ef444466;transform:translateY(-1px)}.btn-danger:active:not(:disabled){transform:translateY(1px)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover:not(:disabled){background:var(--background-secondary);color:var(--text-primary)}.btn-ghost:active:not(:disabled){background:var(--border-color)}.btn-full{width:100%}.btn-disabled,.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none!important}.btn:focus-visible{outline:3px solid var(--primary-light);outline-offset:2px}.btn svg{width:1.25em;height:1.25em;flex-shrink:0}.btn-loading{position:relative;color:transparent!important}.btn-loading:after{content:"";position:absolute;width:20px;height:20px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .75s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.modal-overlay{position:fixed;inset:0;background:var(--background-overlay);display:flex;align-items:center;justify-content:center;z-index:var(--z-modal);padding:var(--spacing-md);animation:fadeIn var(--transition-fast);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.modal-container{background:var(--background-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);max-height:90vh;max-height:90dvh;overflow:hidden;display:flex;flex-direction:column;animation:modalSlideUp var(--transition-normal) ease-out;outline:none}.modal-sm{width:100%;max-width:360px}.modal-md{width:100%;max-width:480px}.modal-lg{width:100%;max-width:640px}.modal-full{width:calc(100% - var(--spacing-lg));height:calc(100% - var(--spacing-lg));max-width:none;max-height:none;border-radius:var(--radius-md)}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--border-color);flex-shrink:0}.modal-title{font-size:var(--font-xl);font-weight:var(--font-bold);color:var(--text-primary);margin:0}.modal-close-btn{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);color:var(--text-secondary);transition:all var(--transition-fast);margin:calc(-1 * var(--spacing-sm))}.modal-close-btn:hover{background:var(--background-secondary);color:var(--text-primary)}.modal-close-btn:active{transform:scale(.95)}.modal-close-btn svg{width:24px;height:24px}.modal-content{padding:var(--spacing-lg);overflow-y:auto;-webkit-overflow-scrolling:touch;flex:1}@keyframes modalSlideUp{0%{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@media(min-width:768px)and (orientation:landscape){.modal-md{max-width:560px}.modal-lg{max-width:720px}.modal-content{padding:var(--spacing-xl)}}@media(pointer:coarse){.modal-close-btn{min-width:48px;min-height:48px}}.card{background:var(--background-card);border-radius:var(--radius);transition:all var(--transition-fast)}.card-default{box-shadow:var(--shadow)}.card-elevated{box-shadow:var(--shadow-md)}.card-outlined{box-shadow:none;border:2px solid var(--border-color)}.card-highlighted{box-shadow:var(--shadow);border:2px solid var(--primary-light);background:linear-gradient(135deg,var(--background-card) 0%,rgba(59,130,246,.05) 100%)}.card-padding-none{padding:0}.card-padding-sm{padding:var(--spacing-sm)}.card-padding-md{padding:var(--spacing-md)}.card-padding-lg{padding:var(--spacing-lg)}.card-clickable{cursor:pointer;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}.card-clickable:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.card-clickable:active{transform:translateY(0);box-shadow:var(--shadow-sm)}@media(min-width:768px){.card-padding-md{padding:var(--spacing-lg)}.card-padding-lg{padding:var(--spacing-xl)}}.progress-dots{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:var(--spacing-md)}.progress-dot{width:40px;height:40px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);font-weight:var(--font-bold);font-size:var(--font-sm)}.progress-dot-unanswered{background:var(--background-secondary);border:2px solid var(--border-color);color:var(--text-tertiary)}.progress-dot-current{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);border:2px solid var(--primary);color:var(--text-inverse);box-shadow:0 0 0 4px #3b82f633;animation:currentPulse 2s ease-in-out infinite}.progress-dot-number{font-size:var(--font-base);font-weight:var(--font-bold)}.progress-dot-correct{background:linear-gradient(135deg,var(--success) 0%,var(--success-dark) 100%);border:2px solid var(--success);color:var(--text-inverse)}.progress-dot-correct svg{width:20px;height:20px}.progress-dot-incorrect{background:linear-gradient(135deg,var(--error) 0%,var(--error-dark) 100%);border:2px solid var(--error);color:var(--text-inverse)}.progress-dot-incorrect svg{width:18px;height:18px}.progress-dots-label{font-size:var(--font-sm);color:var(--text-secondary);font-weight:var(--font-medium);margin-top:var(--spacing-xs);width:100%;text-align:center}@keyframes currentPulse{0%,to{box-shadow:0 0 0 4px #3b82f633}50%{box-shadow:0 0 0 8px #3b82f61a}}@media(min-width:768px){.progress-dot{width:48px;height:48px}.progress-dot-number{font-size:var(--font-lg)}.progress-dot-correct svg,.progress-dot-incorrect svg{width:24px;height:24px}.progress-dots-label{font-size:var(--font-base)}}.home-screen{display:flex;flex-direction:column;min-height:100vh;padding:var(--spacing-lg)}.home-header{text-align:center;padding:var(--spacing-xl) 0}.home-title{font-size:2.5rem;font-weight:800;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--spacing-xs)}.home-subtitle{color:var(--text-secondary);font-size:1rem}.home-main{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-lg);max-width:400px;width:100%;margin:0 auto}.streak-card{width:100%}.streak-display{display:flex;align-items:center;justify-content:center;gap:var(--spacing-md);padding:var(--spacing-md)}.streak-icon{font-size:3rem;animation:flame-flicker 1s ease-in-out infinite alternate}@keyframes flame-flicker{0%{transform:scale(1) rotate(-3deg)}to{transform:scale(1.1) rotate(3deg)}}.streak-info{display:flex;flex-direction:column}.streak-count{font-size:2.5rem;font-weight:800;color:var(--text-primary);line-height:1}.streak-label{font-size:.875rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.mode-indicator{width:100%;text-align:center}.mode-badge{display:inline-block;padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--radius-full);font-weight:600;font-size:.875rem}.mode-test{background-color:#3b82f61a;color:var(--primary)}.mode-fun{background-color:#22c55e1a;color:var(--success)}.start-button{font-size:1.25rem!important;padding:var(--spacing-lg) var(--spacing-xl)!important}.high-score{color:var(--text-secondary);font-size:.875rem}.home-footer{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-md) 0;border-top:1px solid var(--border)}.version-button{color:var(--text-tertiary);font-size:.75rem;cursor:pointer;transition:color var(--transition-fast)}.version-button:hover{color:var(--text-secondary)}.footer-divider{color:var(--text-tertiary)}.admin-link{color:var(--text-tertiary);font-size:.75rem;cursor:pointer;transition:color var(--transition-fast)}.admin-link:hover{color:var(--primary)}@media(max-width:480px){.home-title,.streak-count{font-size:2rem}.streak-icon{font-size:2.5rem}}.answer-option{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--background-card);border:2px solid var(--border-color);border-radius:var(--radius);cursor:pointer;transition:all 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