:root{--primary-color:#6366f1;--primary-hover:#4f46e5;--primary-light:#e0e7ff;--bg-color:#f8fafc;--card-bg:#fffc;--text-main:#1e293b;--text-muted:#475569;--border-color:#94a3b8;--accent-color:#f59e0b;--wall-color:#1e293b;--input-focus:#cbd5e1;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--glass-bg:#ffffffb3;--glass-border:#ffffff4d;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text-main);background-color:var(--bg-color);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,system-ui,-apple-system,sans-serif;font-weight:400;line-height:1.5}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}body{background:linear-gradient(135deg,#f0f9ff 0%,#e0f2fe 100%);place-items:center;min-width:320px;min-height:100vh;margin:0;display:flex}#root{width:100%;height:100vh}.glass{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);box-shadow:var(--shadow-md)}.card{border-radius:16px;padding:24px;transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-2px);box-shadow:0 10px 15px -3px #0000001a}button{background-color:var(--primary-color);color:#fff;cursor:pointer;border:1px solid #0000;border-radius:8px;padding:.6em 1.2em;font-family:inherit;font-size:1em;font-weight:500;transition:all .2s cubic-bezier(.4,0,.2,1)}button:hover{background-color:var(--primary-hover);box-shadow:0 4px 12px #6366f14d}button:active{transform:scale(.98)}button:disabled{background-color:var(--input-focus);cursor:not-allowed}.input-field{border:1.5px solid var(--border-color);background:#fff;border-radius:8px;width:100%;padding:10px 12px;transition:border-color .2s,box-shadow .2s}.input-field:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px var(--primary-light);outline:none}.layout-container{background:linear-gradient(135deg,#f0f9ff 0%,#e0f2fe 100%);flex-direction:column;width:100%;height:100vh;display:flex;overflow:hidden}.header{z-index:10;border-radius:12px;flex-shrink:0;justify-content:space-between;align-items:center;margin:.5rem .5rem 0;padding:.75rem 2rem;display:flex}.title{background:linear-gradient(to right, var(--primary-color), var(--accent-color));-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin:0;font-size:1.1rem;font-weight:700}.button-group{gap:.5rem;display:flex}.content-area{flex:1;gap:.5rem;min-height:0;padding:.5rem;display:flex;overflow:hidden}.sidebar{flex-direction:column;gap:.75rem;width:320px;height:100%;display:flex;overflow-y:auto}.main-board{background:var(--card-bg);border-radius:4px;flex:1;justify-content:center;align-items:center;display:flex;position:relative;overflow:auto}.btn-secondary{color:var(--text-main);border:1px solid var(--border-color);background-color:#fff}.btn-secondary:hover{background-color:var(--primary-light);border-color:var(--primary-color);box-shadow:var(--shadow-sm)}.grid-container{box-shadow:var(--shadow-md);border-radius:4px;overflow:hidden}.grid-cell{-webkit-user-select:none;user-select:none;transition:background-color .1s}.grid-cell:hover{filter:brightness(.95)}.grid-cell.drag-selected{outline:2px solid var(--primary-color);z-index:5;background-color:var(--primary-light)!important}.grid-cell.wall{background-color:var(--wall-color)!important}.cell-number,.cell-char{pointer-events:none}.answer-key{color:var(--primary-color);pointer-events:none;font-weight:700;position:absolute;bottom:1px;right:2px}.context-menu{border:1px solid var(--border-color);box-shadow:var(--shadow-md);z-index:1000;background:#fff;border-radius:12px;grid-template-columns:repeat(5,1fr);gap:4px;width:240px;padding:12px;display:grid;position:fixed}.context-menu-item{text-align:center;cursor:pointer;border:1px solid #0000;border-radius:4px;padding:6px;font-size:.9rem}.context-menu-item:hover{background:var(--primary-light);border-color:var(--primary-color)}.context-menu-label{color:var(--text-muted);grid-column:1/-1;margin-bottom:4px;font-size:.8rem;font-weight:700}.context-menu-action{color:#ef4444;text-align:center;cursor:pointer;background:#fee2e2;border-radius:6px;grid-column:1/-1;margin-top:8px;padding:8px;font-weight:700}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;background:#0006;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{width:400px;max-width:90vw;animation:.3s ease-out modal-in}@keyframes modal-in{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.radio-group{grid-template-columns:repeat(2,1fr);gap:12px;margin:16px 0;display:grid}.radio-option{border:1px solid var(--border-color);cursor:pointer;border-radius:8px;align-items:center;gap:8px;padding:10px;transition:all .2s;display:flex}.radio-option:hover{border-color:var(--primary-color);background:var(--primary-light)}.radio-option.selected{border-color:var(--primary-color);background:var(--primary-light);font-weight:700}.custom-size-inputs{align-items:center;gap:16px;margin-top:16px;display:flex}.dialog-footer{justify-content:flex-end;gap:12px;margin-top:24px;display:flex}@keyframes pop-in{0%{opacity:0;transform:translate(-50%)scale(.9)}to{opacity:1;transform:translate(-50%)scale(1)}}.counter{color:var(--accent);background:var(--accent-bg);border:2px solid #0000;border-radius:5px;margin-bottom:24px;padding:5px 10px;font-size:16px;transition:border-color .3s}.counter:hover{border-color:var(--accent-border)}.counter:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.hero{position:relative}.hero .base,.hero .framework,.hero .vite{margin:0 auto;inset-inline:0}.hero .base{z-index:0;width:170px;position:relative}.hero .framework,.hero .vite{position:absolute}.hero .framework{z-index:1;height:28px;top:34px;transform:perspective(2000px)rotate(300deg)rotateX(44deg)rotateY(39deg)scale(1.4)}.hero .vite{z-index:0;width:auto;height:26px;top:107px;transform:perspective(2000px)rotate(300deg)rotateX(40deg)rotateY(39deg)scale(.8)}#center{flex-direction:column;flex-grow:1;place-content:center;place-items:center;gap:25px;display:flex}@media (width<=1024px){#center{gap:18px;padding:32px 20px 24px}}#next-steps{border-top:1px solid var(--border);text-align:left;display:flex}#next-steps>div{flex:1 1 0;padding:32px}@media (width<=1024px){#next-steps>div{padding:24px 20px}}#next-steps .icon{width:22px;height:22px;margin-bottom:16px}@media (width<=1024px){#next-steps{text-align:center;flex-direction:column}}#docs{border-right:1px solid var(--border)}@media (width<=1024px){#docs{border-right:none;border-bottom:1px solid var(--border)}}#next-steps ul{gap:8px;margin:32px 0 0;padding:0;list-style:none;display:flex}#next-steps ul .logo{height:18px}#next-steps ul a{color:var(--text-h);background:var(--social-bg);border-radius:6px;align-items:center;gap:8px;padding:6px 12px;font-size:16px;text-decoration:none;transition:box-shadow .3s;display:flex}#next-steps ul a:hover{box-shadow:var(--shadow)}#next-steps ul a .button-icon{width:18px;height:18px}@media (width<=1024px){#next-steps ul{flex-wrap:wrap;justify-content:center;margin-top:20px}#next-steps ul li{flex:calc(50% - 8px)}#next-steps ul a{box-sizing:border-box;justify-content:center;width:100%}}#spacer{border-top:1px solid var(--border);height:88px}@media (width<=1024px){#spacer{height:48px}}.ticks{width:100%;position:relative}.ticks:before,.ticks:after{content:"";border:5px solid #0000;position:absolute;top:-4.5px}.ticks:before{border-left-color:var(--border);left:0}.ticks:after{border-right-color:var(--border);right:0}.star-checkbox{appearance:none;border:1px solid var(--border-color);cursor:pointer;background-color:#fff;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;display:flex;position:relative}.star-checkbox:before{content:"★";color:#0000001a;font-size:12px;transition:color .2s}.star-checkbox:checked{border-color:var(--accent-color);background-color:#fffaf0}.star-checkbox:checked:before{color:var(--accent-color);font-weight:700}