:root{--success-color:#059669;--error-color:#dc2626;--warning-color:#f59e0b;--info-color:#3b82f6;--font-family:"Space Mono",monospace;--font-size-xs:0.75rem;--font-size-sm:0.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:1.875rem;--font-size-4xl:2.25rem;--font-size-5xl:3rem;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--spacing-3xl:4rem;--radius-sm:0.25rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem;--radius-2xl:1.5rem;--radius-full:9999px;--shadow-sm:1px 1px 0 var(--border-color);--shadow-md:2px 2px 0 var(--border-color);--shadow-lg:4px 4px 0 var(--border-color);--shadow-xl:8px 8px 0 var(--border-color);--transform-sm:translate(-0.5px,-0.5px);--transform-md:translate(-1px,-1px);--transform-lg:translate(-2px,-2px);--transform-xl:translate(-4px,-4px);--breakpoint-mobile:480px;--breakpoint-tablet:768px;--breakpoint-desktop:1024px;--z-dropdown:1000;--z-sticky:1020;--z-fixed:1030;--z-modal-backdrop:1040;--z-modal:1050;--z-popover:1060;--z-tooltip:1070}*,:after,:before{box-sizing:border-box}ol[role=list],ul[role=list]{list-style:none}html:focus-within{scroll-behavior:smooth}body{min-height:100vh;text-rendering:optimizeSpeed;line-height:1.5}a:not([class]){-webkit-text-decoration-skip:ink;text-decoration-skip-ink:auto}img,picture{max-width:100%;display:block}button,input,select,textarea{font:inherit}@media (prefers-reduced-motion:reduce){html:focus-within{scroll-behavior:auto}*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}button{background:none;cursor:pointer}button,fieldset{border:none;padding:0;margin:0}legend{padding:0}table{border-collapse:collapse;border-spacing:0}td,th{padding:0}p{margin:0}@import url("https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&display=swap");body{font-size:var(--font-size-base);line-height:1.6;color:var(--text-color);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body,h1,h2,h3,h4,h5,h6{font-family:var(--font-family)}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;letter-spacing:-.02em;margin:0}h1{font-size:var(--font-size-4xl)}h2{font-size:var(--font-size-3xl)}h3{font-size:var(--font-size-2xl)}h4{font-size:var(--font-size-xl)}h5{font-size:var(--font-size-lg)}h6{font-size:var(--font-size-base)}p{margin:0 0 var(--spacing-lg) 0}a{color:var(--accent-yellow);text-decoration:none;transition:color .2s ease}a:hover{color:var(--text-color);text-decoration:underline}.text-xs{font-size:var(--font-size-xs)}.text-sm{font-size:var(--font-size-sm)}.text-base{font-size:var(--font-size-base)}.text-lg{font-size:var(--font-size-lg)}.text-xl{font-size:var(--font-size-xl)}.text-2xl{font-size:var(--font-size-2xl)}.text-3xl{font-size:var(--font-size-3xl)}.text-4xl{font-size:var(--font-size-4xl)}.text-5xl{font-size:var(--font-size-5xl)}.font-normal{font-weight:400}.font-bold{font-weight:700}.uppercase{text-transform:uppercase}.lowercase{text-transform:lowercase}.capitalize{text-transform:capitalize}.tracking-tight{letter-spacing:-.02em}.leading-tight{line-height:1.2}.leading-normal{line-height:1.6}.leading-relaxed{line-height:1.8}.text-primary{color:var(--text-color)}.text-secondary{color:#555}.text-muted{color:#777}.text-accent{color:var(--accent-yellow)}.text-success{color:var(--success-color)}.text-error{color:var(--error-color)}.text-warning{color:var(--warning-color)}.text-info{color:var(--info-color)}.text-white{color:var(--white)}@media (max-width:768px){h1{font-size:var(--font-size-3xl)}h2{font-size:var(--font-size-2xl)}h3{font-size:var(--font-size-xl)}}@media (max-width:480px){h1{font-size:var(--font-size-2xl)}h2{font-size:var(--font-size-xl)}h3{font-size:var(--font-size-lg)}body{font-size:var(--font-size-sm)}}:root{--header-mobile:70px;--header-desktop:90px}*{box-sizing:border-box;margin:0;padding:0}body,html{font-family:Space Mono,monospace;background-color:var(--bg-color);color:var(--text-color);line-height:1.5;-webkit-font-smoothing:antialiased}.modal-backdrop{background:rgba(56,56,56,.8);backdrop-filter:blur(8px)}.floating-emoji{position:absolute;font-size:2rem;animation:float-up 2s ease-out forwards;pointer-events:none;z-index:100}@keyframes float-up{0%{transform:translateY(0) rotate(0deg);opacity:1}to{transform:translateY(-200px) rotate(1turn);opacity:0}}.shake-animation{animation:shake .5s}@keyframes shake{0%,to{transform:translateX(0)}25%{transform:translateX(-10px)}75%{transform:translateX(10px)}}.pulse-animation{animation:pulse 2s infinite}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.phone-container{width:390px;height:844px;background:var(--text-color);border-radius:8px;padding:8px;box-shadow:4px 4px 0 var(--border-color);position:relative;transform:translate(-2px,-2px)}.phone-screen{width:100%;height:100%;background:var(--white);border-radius:4px;overflow:hidden;position:relative}.status-bar{height:44px;background:var(--text-color);display:flex;justify-content:space-between;align-items:center;padding:0 20px;color:var(--bg-color);font-size:14px;font-weight:700;font-family:Space Mono,monospace}.prototype-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:30px;padding:20px;background:var(--bg-color);min-height:100vh}.prototype-section{background:var(--white);border:2px solid var(--border-color);border-radius:8px;padding:20px;box-shadow:4px 4px 0 var(--border-color);transform:translate(-2px,-2px)}.section-title{font-size:18px;font-weight:700;margin-bottom:15px;color:var(--text-color);border-bottom:2px solid var(--border-color);padding-bottom:10px;font-family:Space Mono,monospace;letter-spacing:-.02em}iframe{border:2px solid var(--border-color);border-radius:4px}.animate-float{animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.shadow-brutalism{box-shadow:4px 4px 0 var(--border-color)}.hover-lift:hover{transform:translateY(-4px);box-shadow:8px 8px 0 var(--border-color);transition:all .2s ease}:root{--bg-color:#f4efea;--text-color:#383838;--border-color:#383838;--accent-yellow:#ffde59;--accent-green:#c1ff72;--white:#ffffff}.btn-primary{display:inline-flex;align-items:center;justify-content:center;background-color:var(--text-color);color:var(--white);padding:16px 32px;font-weight:700;text-decoration:none;border:2px solid var(--text-color);border-radius:4px;transition:all .2s ease;font-family:Space Mono,monospace}.btn-primary:hover{background-color:transparent;color:var(--text-color);transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--text-color)}.btn-primary:active{transform:translate(0);box-shadow:none}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;background-color:transparent;color:var(--text-color);padding:16px 32px;font-weight:700;text-decoration:none;border:2px solid var(--text-color);border-radius:4px;transition:all .2s ease;font-family:Space Mono,monospace}.btn-secondary:hover{background-color:var(--white);transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--text-color)}.btn-secondary:active{transform:translate(0);box-shadow:none}.btn-cta{display:inline-flex;align-items:center;justify-content:center;background-color:var(--accent-yellow);color:var(--text-color);padding:18px 48px;font-weight:700;text-decoration:none;border:2px solid transparent;border-radius:4px;transition:all .2s ease;font-family:Space Mono,monospace}.btn-cta:hover{background-color:var(--white);border-color:var(--accent-yellow);transform:scale(1.05)}.btn-cta:active{transform:scale(1.02)}.submit-button{background-color:var(--text-color);color:var(--white);border:2px solid var(--text-color);padding:16px 32px;font-weight:700;font-family:Space Mono,monospace;border-radius:4px;cursor:pointer;transition:all .2s ease;height:60px;font-size:1.125rem}.submit-button:hover:not(:disabled){background-color:transparent;color:var(--text-color);transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--text-color)}.submit-button:active{transform:translate(0);box-shadow:none}.submit-button:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}@media (max-width:768px){.submit-button{height:50px;font-size:1rem}}.number-btn{background-color:var(--white);border:2px solid var(--border-color);color:var(--text-color);font-weight:700;font-family:Space Mono,monospace;border-radius:4px;height:45px;font-size:1.2rem;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.number-btn:hover{background-color:var(--bg-color);transform:translate(-1px,-1px);box-shadow:2px 2px 0 var(--border-color)}.number-btn:active{transform:translate(0);box-shadow:none}@media (max-width:768px){.number-btn{height:40px;font-size:1rem}}.difficulty-card{background:var(--white);border:2px solid var(--border-color);border-radius:8px;padding:24px;cursor:pointer;transition:all .2s ease;box-shadow:2px 2px 0 var(--border-color);transform:translate(-1px,-1px)}.difficulty-card:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--border-color)}.difficulty-card.selected{border-color:var(--accent-yellow);background-color:var(--accent-yellow);transform:scale(1.02)}.login-button{background-color:var(--text-color);color:var(--white);border:2px solid var(--text-color);padding:16px 32px;font-weight:700;font-family:Space Mono,monospace;border-radius:4px;cursor:pointer;transition:all .2s ease}.login-button:hover{background-color:transparent;color:var(--text-color);transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--text-color)}.login-button:active{transform:translate(0);box-shadow:none}.login-button:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.btn-accent{background-color:var(--accent-green);color:var(--text-color);border:2px solid var(--accent-green);padding:16px 32px;font-weight:700;font-family:Space Mono,monospace;border-radius:4px;cursor:pointer;transition:all .2s ease}.btn-accent:hover{background-color:var(--white);transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--accent-green)}.btn-accent:active{transform:translate(0);box-shadow:none}