@import"https://fonts.googleapis.com/css2?family=Lato:wght@400;700&family=Poppins:wght@600;700&display=swap";@font-face{font-family:FZZWXBTOT_Unicode;src:url(/FZZWXBTOT_Unicode.ttf) format("truetype");font-weight:400;font-style:normal}:root{font-family:FZZWXBTOT_Unicode,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#333;background-color:#f4f7f6;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}:root{--color-primary: #4A90E2;--color-primary-hover: #4784CC;--color-background: #F4F7F6;--color-container: #FFFFFF;--color-tile: #2C3E50;--color-text-primary: #333333;--color-text-inverted: #FFFFFF;--color-success: #2ECC71;--color-border: #DDE3E0;--font-heading: "FZZWXBTOT_Unicode", sans-serif;--font-body: "FZZWXBTOT_Unicode", sans-serif;--spacing-unit: 8px;--spacing-xs: calc(var(--spacing-unit) * 1);--spacing-sm: calc(var(--spacing-unit) * 2);--spacing-md: calc(var(--spacing-unit) * 3);--spacing-lg: calc(var(--spacing-unit) * 4);--spacing-xl: calc(var(--spacing-unit) * 6);--shadow-light: 0px 4px 6px rgba(44, 62, 80, .15);--shadow-medium: 0px 6px 8px rgba(44, 62, 80, .2);--shadow-heavy: 0px 10px 20px rgba(44, 62, 80, .1);--transition-fast: .2s ease-in-out;--transition-smooth: .25s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);font-size:16px;line-height:1.6;color:var(--color-text-primary);background-color:var(--color-background);display:flex;justify-content:center;align-items:center;min-height:100vh;padding:var(--spacing-sm)}.app{width:100%;max-width:600px;display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.game-container{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;padding:30px;box-shadow:0 8px 32px #0000004d;border:1px solid rgba(255,255,255,.2);max-width:500px;width:100%;display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md)}.game-header{display:flex;flex-direction:column;align-items:center;justify-content:center;margin-bottom:2rem}.game-title{font-size:2.5rem;font-weight:700;color:#1a1a1a;margin:.5rem 0;text-align:center}.game-subtitle{font-size:1rem;color:#666;text-align:center;max-width:600px;line-height:1.5;margin:.5rem 0}.game-status{display:flex;gap:var(--spacing-lg);margin-bottom:var(--spacing-sm)}.status-item{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-xs)}.status-label{font-family:var(--font-body);font-weight:400;font-size:14px;color:var(--color-text-primary);opacity:.7}.status-value{font-family:var(--font-heading);font-weight:600;font-size:24px;color:var(--color-primary)}.game-board{display:grid;gap:var(--spacing-xs);padding:var(--spacing-sm);background-color:var(--color-container);border-radius:12px;box-shadow:var(--shadow-heavy);margin-bottom:var(--spacing-md);border:none;outline:2px solid transparent;transition:outline-color var(--transition-fast)}.game-board:focus{outline-color:var(--color-primary)}.board-3x3{grid-template-columns:repeat(3,1fr);width:300px;height:300px}.board-4x4{grid-template-columns:repeat(4,1fr);width:400px;height:400px}.tile{display:flex;align-items:center;justify-content:center;background-color:var(--color-tile);border-radius:4px;border:none;cursor:pointer;transition:var(--transition-smooth);box-shadow:inset 0 0 0 1px #ffffff1a;outline:2px solid transparent;outline-offset:2px}.tile:focus{outline-color:var(--color-primary)}.tile-3x3,.tile-4x4{width:88px;height:88px}.tile-movable:hover{transform:scale(1.05);box-shadow:var(--shadow-medium),inset 0 0 0 1px #fff3}.tile-movable:active{transform:scale(.98)}.tile-not-movable{cursor:default;opacity:.8}.tile-number{font-family:var(--font-heading);font-weight:600;color:var(--color-text-inverted);-webkit-user-select:none;-moz-user-select:none;user-select:none}.tile-3x3 .tile-number{font-size:36px}.tile-4x4 .tile-number{font-size:28px}.tile-empty{background:transparent;box-shadow:none}.game-controls{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md);width:100%}.control-button{font-family:var(--font-body);font-weight:700;font-size:16px;padding:12px 24px;border:none;border-radius:8px;cursor:pointer;transition:var(--transition-fast);outline:2px solid transparent;outline-offset:2px}.control-button:focus{outline-color:var(--color-primary)}.primary-button{background-color:var(--color-primary);color:var(--color-text-inverted);box-shadow:var(--shadow-light)}.primary-button:hover{background-color:var(--color-primary-hover);transform:translateY(-2px);box-shadow:var(--shadow-medium)}.primary-button:active{transform:translateY(0)}.grid-size-controls{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-xs)}.control-label{font-family:var(--font-body);font-weight:400;font-size:14px;color:var(--color-text-primary);opacity:.8}.grid-size-buttons{display:flex;gap:var(--spacing-xs)}.size-button{padding:8px 16px;font-size:14px;min-width:60px}.size-button-active{background-color:var(--color-primary);color:var(--color-text-inverted);box-shadow:var(--shadow-light)}.size-button-inactive{background-color:var(--color-border);color:var(--color-text-primary);opacity:.7}.size-button-inactive:hover{opacity:1;transform:translateY(-1px)}.size-button:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.win-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#2c3e50cc;display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--spacing-sm)}.win-modal{background-color:var(--color-container);border-radius:16px;padding:var(--spacing-xl);box-shadow:var(--shadow-heavy);max-width:400px;width:100%;position:relative;overflow:hidden;outline:none}.win-content{text-align:center;position:relative;z-index:2}.win-title{font-family:var(--font-heading);font-weight:700;font-size:32px;line-height:1.2;color:var(--color-success);margin-bottom:var(--spacing-sm)}.win-description{font-family:var(--font-body);font-weight:400;font-size:18px;line-height:1.6;color:var(--color-text-primary);margin-bottom:var(--spacing-lg)}.win-actions{display:flex;justify-content:center}.celebration-animation{position:absolute;top:0;left:0;right:0;bottom:0;pointer-events:none;overflow:hidden}.confetti-piece{position:absolute;width:8px;height:8px;border-radius:2px;animation:confetti-fall 3s ease-in-out infinite}.confetti-1{background-color:var(--color-primary);left:10%;animation-delay:0s}.confetti-2{background-color:var(--color-success);left:30%;animation-delay:.5s}.confetti-3{background-color:#e74c3c;left:50%;animation-delay:1s}.confetti-4{background-color:#f39c12;left:70%;animation-delay:1.5s}.confetti-5{background-color:#9b59b6;left:90%;animation-delay:2s}.confetti-6{background-color:var(--color-primary);left:20%;animation-delay:2.5s}@keyframes confetti-fall{0%{top:-10px;transform:rotate(0) scale(1);opacity:1}50%{transform:rotate(180deg) scale(.8);opacity:.8}to{top:100%;transform:rotate(360deg) scale(.4);opacity:0}}@media (max-width: 768px){.game-title{font-size:32px}.game-subtitle{font-size:15px}.board-3x3{width:270px;height:270px}.board-4x4{width:320px;height:320px}.tile-3x3{width:82px;height:82px}.tile-4x4{width:72px;height:72px}.tile-3x3 .tile-number{font-size:32px}.tile-4x4 .tile-number{font-size:24px}.game-container{padding:var(--spacing-md)}.game-status{gap:var(--spacing-md)}.win-title{font-size:28px}.win-description{font-size:16px}}@media (max-width: 600px){.app{padding:10px}.game-container{padding:20px;border-radius:15px}.game-title{font-size:2rem}.game-subtitle{font-size:.9rem}}@media (max-width: 480px){.board-3x3{width:240px;height:240px}.board-4x4{width:280px;height:280px}.tile-3x3{width:72px;height:72px}.tile-4x4{width:62px;height:62px}.tile-3x3 .tile-number{font-size:28px}.tile-4x4 .tile-number{font-size:20px}.game-container{padding:var(--spacing-sm)}.win-modal{padding:var(--spacing-md)}}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media (prefers-contrast: high){:root{--color-primary: #0066CC;--color-tile: #000000;--color-text-primary: #000000;--color-border: #666666}}