@import "https://fonts.googleapis.com/css2?family=Outfit:wght@400;600;800&display=swap";:root{--bg-color:#121212;--text-color:#f9f6f2;--board-bg:#1e1e1e;--board-border:#333;--tile-empty:#ffffff0d;--accent:#646cff;--accent-hover:#535bf2}body{background-color:var(--bg-color);min-width:320px;min-height:100vh;color:var(--text-color);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;place-items:center;margin:0;font-family:Outfit,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;display:flex}#root{text-align:center;width:100%;max-width:600px;margin:0 auto;padding:2rem}button{cursor:pointer;background-color:#1a1a1a;border:1px solid #0000;border-radius:8px;padding:.6em 1.2em;font-family:inherit;font-size:1em;font-weight:600;transition:all .25s}button:hover{border-color:var(--accent)}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}.app-container{flex-direction:column;align-items:center;gap:2rem;display:flex}header{flex-direction:column;align-items:center;gap:.5rem;display:flex}header h1{background:linear-gradient(135deg,#646cff,#a264ff);-webkit-text-fill-color:transparent;text-shadow:0 0 20px #646cff33;-webkit-background-clip:text;margin:0;font-size:3.5rem}header p{color:#888;margin:0 0 1rem}.btn-reset{color:#fff;background-color:#2a2a2a;border:1px solid #444}.btn-reset:hover{background-color:#ff4a4a;border-color:#ff4a4a}.board-container{background-color:var(--board-bg);border:1px solid var(--board-border);border-radius:12px;padding:15px;box-shadow:0 10px 30px #00000080}.board-grid{grid-template-columns:repeat(4,1fr);gap:15px;width:320px;height:320px;display:grid}.tile{cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:8px;justify-content:center;align-items:center;width:100%;height:100%;font-weight:800;transition:transform .1s,background-color .3s;display:flex}.tile.empty{box-sizing:border-box;border:2px dashed #ffffff1a}.tile.empty:hover{background-color:#ffffff1a!important}.tile.filled{animation:.2s cubic-bezier(.175,.885,.32,1.275) popIn}@keyframes popIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.controls-container{justify-content:center;align-items:center;width:100%;min-height:150px;display:flex}.btn-solve{color:#fff;background:linear-gradient(135deg,#00c6ff,#0072ff);border:none;border-radius:50px;padding:1rem 2rem;font-size:1.2rem;animation:2s infinite pulse;box-shadow:0 4px 15px #0072ff66}.btn-solve:hover{border:none;transform:translateY(-2px);box-shadow:0 6px 20px #0072ff99}@keyframes pulse{0%{box-shadow:0 0 #0072ff66}70%{box-shadow:0 0 0 10px #0072ff00}to{box-shadow:0 0 #0072ff00}}.directions-panel{flex-direction:column;align-items:center;gap:1rem;display:flex}.helper-text{color:#aaa;margin:0}.dpad{flex-direction:column;align-items:center;gap:5px;display:flex}.dpad-row{justify-content:center;gap:5px;display:flex}.btn-dir{color:#fff;background-color:#2a2a2a;border:1px solid #444;border-radius:12px;justify-content:center;align-items:center;width:60px;height:60px;font-size:1.5rem;display:flex;position:relative}.btn-dir:hover:not(.disabled){background-color:#3a3a3a;transform:scale(1.05)}.btn-dir.disabled{opacity:.3;cursor:not-allowed}.btn-dir.suggested{background:linear-gradient(135deg,#00b09b,#96c93d);border:none;animation:1s infinite bounce;box-shadow:0 0 15px #96c93d80}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-3px)}}.star-icon{color:gold;text-shadow:0 0 5px #ffd700cc;font-size:1rem;position:absolute;top:-8px;right:-8px}.btn-secondary{color:#888;background:0 0;border:1px solid #444;margin-top:1rem}.btn-secondary:hover{color:#fff;border-color:#fff}.modal-overlay{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:1000;background-color:#000000b3;justify-content:center;align-items:center;width:100vw;height:100vh;display:flex;position:fixed;top:0;left:0}.number-selector{background:#1e1e1ee6;border:1px solid #ffffff1a;border-radius:16px;width:90%;max-width:400px;padding:2rem;animation:.3s cubic-bezier(.175,.885,.32,1.275) slideUp;box-shadow:0 20px 50px #000c}@keyframes slideUp{0%{opacity:0;transform:translateY(50px)}to{opacity:1;transform:translateY(0)}}.number-selector h3{color:#fff;margin:0 0 .5rem}.subtitle{color:#aaa;margin:0 0 1.5rem;font-size:.9rem}.options-grid{grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.num-btn{color:#fff;background-color:#2a2a2a;border:1px solid #444;padding:10px 5px;font-size:1.1rem}.num-btn:hover{background-color:var(--accent);border-color:var(--accent)}.btn-clear{color:#ff4a4a;background-color:#331a1a;border-color:#ff4a4a;grid-column:span 2}.btn-clear:hover{color:#fff;background-color:#ff4a4a}.app-footer{color:#888;margin-top:2rem;padding:1rem;font-size:.9rem}.app-footer a{color:var(--accent);font-weight:600;text-decoration:none;transition:color .2s}.app-footer a:hover{color:var(--accent-hover);text-decoration:underline}.visitor-count{color:#888;margin-top:5px;font-size:.85em}