:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;--navbar-height: 64px;--title-color: #0D9488;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.language-switcher{display:flex;gap:.5rem}.language-switcher button{padding:.25rem .5rem;border:1px solid #9CA3AF;background:transparent;color:#6b7280;cursor:pointer;border-radius:4px;font-size:.8rem;transition:all .2s ease}.language-switcher button.active{background:#0d9488;color:#fff;border-color:#0d9488}.language-switcher button:hover{background:#f3f4f6;color:#374151}.language-switcher button.active:hover{background:#0a7c72}input[type=range]{-webkit-appearance:none;appearance:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;height:20px;width:20px;border-radius:50%;background:#0d9488;cursor:pointer;border:2px solid white;box-shadow:0 2px 4px #0003}input[type=range]::-moz-range-thumb{height:20px;width:20px;border-radius:50%;background:#0d9488;cursor:pointer;border:2px solid white;box-shadow:0 2px 4px #0003}.app{min-height:100vh;display:flex;flex-direction:column}*{box-sizing:border-box}html{overflow-y:scroll;scrollbar-gutter:stable}body{margin:0;padding:0}.main-content{flex:1;padding:calc(var(--navbar-height, 64px) + 2rem) 2rem 2rem;max-width:1200px;margin:0 auto;width:100%}.navbar{background:#2c3e50;display:block;position:fixed;top:0;left:0;right:0;height:var(--navbar-height, 64px);z-index:1000;box-shadow:0 2px 8px #0000001f}.navbar .nav-inner{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;height:100%;padding:0 2rem}.nav-brand a{color:#ecf0f1;text-decoration:none;font-size:1.5rem;font-weight:700}.nav-links{display:flex;list-style:none;margin:0;padding:0;gap:2rem}.nav-links a{color:#bdc3c7;text-decoration:none;transition:color .3s}.nav-links a:hover{color:#3498db}.page{max-width:800px;width:100%;margin:0 auto;line-height:1.6;text-align:left}.page h1{color:var(--title-color);margin-bottom:2rem;text-align:center}.page h2{color:var(--title-color);margin-top:2rem;margin-bottom:1rem}.btn-primary,.btn-secondary{padding:.75rem 1.5rem;border:none;border-radius:5px;text-decoration:none;display:inline-block;cursor:pointer;transition:background-color .3s;margin:.5rem}.btn-primary{background:#3498db;color:#fff}.btn-primary:hover{background:#2980b9}.btn-secondary{background:#95a5a6;color:#fff}.btn-secondary:hover{background:#7f8c8d}.intro{text-align:left}.cta{text-align:center;margin-top:2rem}.test-setup{max-width:600px;margin:0 auto;width:100%}.option-group{margin:1rem 0;padding:.75rem;border:1px solid #ddd;border-radius:5px}.option-group h3{margin:0 0 .5rem}.radio-option,.checkbox-option{display:block;margin:.5rem 0;cursor:pointer}.radio-option input,.checkbox-option input{margin-right:.5rem}.test-instructions{background:#e9ecef;padding:1rem;border-radius:5px;margin:1rem 0;color:#2c3e50}.test-info{background:#e8f4f8;padding:1rem;border-radius:5px;margin-bottom:2rem}.types-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1rem;margin:2rem 0}.type-card h3,.type-card h4{color:var(--title-color);margin:0 0 .5rem}color: #2c3e50; margin: 0 0 .5rem 0; } .type-card h4{color:#2c3e50;margin:0 0 .5rem}.quadra-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem;margin:1rem 0}.quadra{background:#e9ecef;padding:1rem;border-radius:5px;color:#2c3e50}.theory-section{margin:3rem 0;padding-bottom:2rem;border-bottom:1px solid #eee}.elements-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin:1rem 0}.element{background:#e9ecef;padding:1rem;border-radius:5px;border-left:4px solid #2c3e50;color:#2c3e50}.element h3{margin:0 0 .5rem;color:var(--title-color)}.dichotomies{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem}.dichotomy{background:#e9ecef;padding:1rem;border-radius:5px;color:#2c3e50}.quadra-values{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1rem}.quadra-detail{background:#e9ecef;padding:1.5rem;border-radius:8px;border-left:4px solid #2c3e50;color:#2c3e50}.quadra-detail h3{color:var(--title-color);margin-top:0}@media(max-width:768px){:root{--navbar-height: 56px}.navbar .nav-inner{padding:0 .75rem;flex-direction:row;align-items:center;justify-content:space-between;gap:.5rem}.nav-brand a{font-size:1.125rem}.nav-links{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;align-items:center}.main-content{padding:calc(var(--navbar-height, 56px) + .75rem) .75rem .75rem}.types-grid,.elements-grid,.quadra-grid{grid-template-columns:1fr}}