*{box-sizing:border-box;margin:0;padding:0}:root{--primary-color: #ec1e8c;--primary-hover: #d41a7d;--secondary-color: #00bcd4;--secondary-hover: #0097a7;--success-color: #00c8aa;--danger-color: #ef4444;--warning-color: #ff9800;--background: #ffffff;--surface: #f5f5f5;--surface-light: #ffffff;--text-primary: #333333;--text-secondary: #666666;--border-color: #e0e0e0;--bronze: #cd7f32;--silver: #c0c0c0;--gold: #ffd700;--diamond: #29b6f6}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--background);color:var(--text-primary);min-height:100vh;line-height:1.5}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:#ec1e8c;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;border-bottom:none;box-shadow:0 2px 4px #0000001a}.app-header h1{font-size:1.5rem;font-weight:700;color:#fff;text-shadow:none}.header-tokens{font-size:1rem;color:#ffffffe6;background:#0003;padding:.5rem 1rem;border-radius:20px}.header-tokens strong{color:#fff}.app-main{flex:1;padding:2rem;max-width:1200px;margin:0 auto;width:100%}.app-footer{background:var(--surface);padding:1rem;text-align:center;border-top:1px solid var(--border-color)}.disclaimer{font-size:.75rem;color:var(--text-secondary)}.category-selector{text-align:center}.category-selector h2{margin-bottom:1.5rem;font-size:1.75rem;color:var(--secondary-color)}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;max-width:900px;margin:0 auto}.category-button{background:#fff;border:2px solid var(--secondary-color);border-radius:8px;padding:1rem;cursor:pointer;transition:all .2s ease;display:flex;flex-direction:column;align-items:center;gap:.5rem}.category-button:hover{border-color:var(--primary-color);background:#fff;transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.category-name{font-size:1rem;font-weight:600;color:var(--secondary-color)}.category-count{font-size:.75rem;color:var(--primary-color)}.mode-selector{text-align:center;max-width:600px;margin:0 auto}.mode-selector h2{margin-bottom:1rem}.tokens-display{font-size:1.25rem;margin-bottom:2rem;color:var(--text-secondary)}.tokens-display strong{color:var(--success-color)}.mode-buttons{display:flex;gap:1.5rem;justify-content:center;margin-bottom:2rem}.mode-button{background:#fff;border:2px solid var(--secondary-color);border-radius:12px;padding:2rem 1.5rem;cursor:pointer;transition:all .2s ease;display:flex;flex-direction:column;align-items:center;gap:.75rem;width:250px;text-align:center;box-shadow:0 2px 8px #0000000d}.mode-button:hover{transform:translateY(-4px);box-shadow:0 4px 12px #0000001a}.mode-button.free:hover{border-color:var(--success-color)}.mode-button.wager:hover{border-color:var(--warning-color)}.mode-icon{font-size:2.5rem}.mode-name{font-size:1.25rem;font-weight:700;color:var(--text-primary)}.mode-description{font-size:.875rem;color:var(--text-secondary);line-height:1.4}.btn-back{background:transparent;border:1px solid var(--border-color);color:var(--text-secondary);padding:.75rem 1.5rem;border-radius:8px;cursor:pointer;font-size:.875rem;transition:all .2s}.btn-back:hover{border-color:var(--text-primary);color:var(--text-primary)}.score-board{display:flex;justify-content:center;gap:2rem;padding:1rem;background:#fff;border-radius:8px;margin-bottom:1rem;flex-wrap:wrap;border:2px solid var(--secondary-color);box-shadow:0 2px 8px #0000000d}.score-item{display:flex;flex-direction:column;align-items:center;min-width:80px}.score-label{font-size:.75rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.score-value{font-size:1.5rem;font-weight:700;color:var(--text-primary)}.score-value.danger{color:var(--danger-color)}.score-limit{font-size:.875rem;color:var(--text-secondary);font-weight:400}.score-item.tokens .score-value{color:var(--success-color)}.category-label{text-align:center;color:var(--text-secondary);margin-bottom:1rem;font-size:.875rem}.game-container{max-width:800px;margin:0 auto}.game-board{display:grid;grid-template-columns:repeat(8,1fr);gap:6px;aspect-ratio:1;max-width:100%}.tile{aspect-ratio:1;perspective:1000px;cursor:pointer;position:relative;z-index:1;--zoom-x: 0px;--zoom-y: 0px}.tile-inner{position:absolute;top:0;right:0;bottom:0;left:0;transition:transform .5s;transform-style:preserve-3d}.tile.flipped .tile-inner,.tile.matched .tile-inner{transform:rotateY(180deg)}.tile.zooming{z-index:1000;animation:tileZoom 1.5s ease-in-out}.tile.zooming .tile-inner{transform:rotateY(180deg)}@keyframes tileZoom{0%{transform:translate(0) scale(1)}15%{transform:translate(var(--zoom-x),var(--zoom-y)) scale(2.5)}85%{transform:translate(var(--zoom-x),var(--zoom-y)) scale(2.5)}to{transform:translate(0) scale(1)}}.tile.zooming:before{content:"";position:fixed;top:-100vw;right:-100vw;bottom:-100vw;left:-100vw;background:#000000b3;z-index:-1;animation:fadeOverlay 1.5s ease-in-out}@keyframes fadeOverlay{0%{opacity:0}15%{opacity:1}85%{opacity:1}to{opacity:0}}.tile-front,.tile-back{position:absolute;width:100%;height:100%;backface-visibility:hidden;border-radius:8px;overflow:hidden}.tile-front{background:linear-gradient(135deg,#ec1e8c,#ff69b4);display:flex;align-items:center;justify-content:center;border:2px solid rgba(255,255,255,.2)}.tile-front img{width:50%;height:50%;object-fit:contain;opacity:.8}.tile-back{transform:rotateY(180deg);background:#fff;border:2px solid var(--secondary-color)}.tile-back img{width:100%;height:100%;object-fit:cover}.tile-name-overlay{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,#000c);padding:8px 4px 4px;display:flex;justify-content:center;align-items:flex-end}.tile-name{color:#fff;font-size:.65rem;font-weight:600;text-align:center;text-shadow:0 1px 2px rgba(0,0,0,.8);line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.tile.zooming .tile-name{font-size:1rem}.tile.matched{opacity:.7}.tile.matched .tile-inner{transform:rotateY(180deg) scale(.95)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000c;display:flex;align-items:center;justify-content:center;padding:1rem;z-index:100}.modal{background:#fff;border-radius:12px;padding:2rem;max-width:500px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 4px 20px #0003}.modal h2,.wager-modal .tokens-display{text-align:center;margin-bottom:1.5rem}.wager-tiers{display:flex;flex-direction:column;gap:1rem;margin-bottom:1.5rem}.wager-tier-button{background:#f9f9f9;border:2px solid var(--secondary-color);border-radius:8px;padding:1rem;cursor:pointer;transition:all .2s;text-align:left;position:relative}.wager-tier-button:not(.disabled):hover{transform:translate(4px)}.wager-tier-button.bronze:not(.disabled):hover{border-color:var(--bronze)}.wager-tier-button.silver:not(.disabled):hover{border-color:var(--silver)}.wager-tier-button.gold:not(.disabled):hover{border-color:var(--gold)}.wager-tier-button.diamond:not(.disabled):hover{border-color:var(--diamond)}.wager-tier-button.disabled{opacity:.5;cursor:not-allowed}.tier-name{font-size:1.125rem;font-weight:700;display:block;color:var(--text-primary)}.wager-tier-button.bronze .tier-name{color:var(--bronze)}.wager-tier-button.silver .tier-name{color:var(--silver)}.wager-tier-button.gold .tier-name{color:var(--gold)}.wager-tier-button.diamond .tier-name{color:var(--diamond)}.tier-cost{font-size:.875rem;color:var(--text-secondary);display:block;margin-bottom:.5rem}.tier-details{display:flex;gap:1rem;font-size:.75rem;color:var(--text-secondary);flex-wrap:wrap}.insufficient{position:absolute;right:1rem;top:50%;transform:translateY(-50%);font-size:.75rem;color:var(--danger-color)}.modal-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.btn-free,.btn-cancel,.btn-primary,.btn-secondary{padding:.75rem 1.5rem;border-radius:25px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;border:none;text-transform:uppercase;letter-spacing:.5px}.btn-free{background:linear-gradient(135deg,#00c8aa,#00e6c3);color:#fff;box-shadow:0 2px 10px #00c8aa4d}.btn-free:hover{transform:translateY(-2px);box-shadow:0 4px 15px #00c8aa66}.btn-cancel{background:transparent;border:2px solid var(--border-color);color:var(--text-secondary)}.btn-cancel:hover{border-color:var(--primary-color);color:var(--primary-color)}.btn-primary{background:linear-gradient(135deg,#ec1e8c,#ff69b4);color:#fff;box-shadow:0 2px 10px #ec1e8c4d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 15px #ec1e8c66}.btn-secondary{background:linear-gradient(135deg,#29b6f6,#4fc3f7);color:#fff;box-shadow:0 2px 10px #29b6f64d}.btn-secondary:hover{transform:translateY(-2px);box-shadow:0 4px 15px #29b6f666}.game-over-modal.won h2{color:var(--success-color)}.game-over-modal.lost h2{color:var(--danger-color)}.result-message{text-align:center;margin-bottom:1.5rem}.result-message .performance{font-size:1.125rem;color:var(--text-secondary)}.result-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-bottom:1.5rem}.stat{background:#f5f5f5;border-radius:8px;padding:1rem;text-align:center;border:2px solid var(--secondary-color)}.stat-label{font-size:.75rem;color:var(--text-secondary);text-transform:uppercase;display:block;margin-bottom:.25rem}.stat-value{font-size:1.25rem;font-weight:700}.stat-limit{font-size:.875rem;color:var(--text-secondary);font-weight:400}.stat-value.positive{color:var(--success-color)}.stat-value.negative{color:var(--danger-color)}.performance-perfect{color:var(--gold)}.performance-excellent{color:var(--success-color)}.performance-good{color:var(--primary-color)}.performance-average{color:var(--warning-color)}.performance-completed{color:var(--text-secondary)}.tokens-earned{grid-column:span 2}.loading-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--background)}.loading-content{text-align:center}.loading-spinner,.loading-spinner-large{display:inline-block;width:40px;height:40px;border:4px solid var(--surface-light);border-top-color:var(--primary-color);border-radius:50%;animation:spin 1s linear infinite}.loading-spinner-large{width:60px;height:60px}@keyframes spin{to{transform:rotate(360deg)}}.loading-message{margin-top:1rem;color:var(--text-secondary)}.loading-progress{margin-top:1rem}.progress-bar{width:200px;height:8px;background:var(--surface-light);border-radius:4px;overflow:hidden;margin:0 auto .5rem}.progress-fill{height:100%;background:var(--primary-color);transition:width .3s ease}.progress-text{font-size:.875rem;color:var(--text-secondary)}.error-message{color:var(--danger-color);margin-bottom:1rem}@media (max-width: 768px){.app-header{padding:.75rem 1rem;flex-direction:column;gap:.5rem}.app-main{padding:1rem}.game-container{max-width:100%}.game-board{gap:4px;aspect-ratio:auto;max-height:none;overflow-y:visible}.tile{aspect-ratio:1;width:100%;height:auto}.tile-front,.tile-back{border-radius:4px}.tile.zooming{animation:tileZoomMobile 1.5s ease-in-out}@keyframes tileZoomMobile{0%{transform:translate(0) scale(1)}15%{transform:translate(var(--zoom-x),var(--zoom-y)) scale(2)}85%{transform:translate(var(--zoom-x),var(--zoom-y)) scale(2)}to{transform:translate(0) scale(1)}}.score-board{gap:1rem;padding:.75rem}.score-item{min-width:60px}.score-value{font-size:1.25rem}.mode-buttons{flex-direction:column;align-items:center}.mode-button{width:100%;max-width:300px}.result-stats{grid-template-columns:1fr}.tokens-earned{grid-column:span 1}.category-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 480px){.game-board{gap:3px}.tile{min-height:50px}.tile.zooming{animation:tileZoomSmall 1.5s ease-in-out}@keyframes tileZoomSmall{0%{transform:translate(0) scale(1)}15%{transform:translate(var(--zoom-x),var(--zoom-y)) scale(1.8)}85%{transform:translate(var(--zoom-x),var(--zoom-y)) scale(1.8)}to{transform:translate(0) scale(1)}}.category-grid{grid-template-columns:1fr}.score-board{gap:.5rem;padding:.5rem}.score-item{min-width:50px}.score-value{font-size:1rem}.score-limit{font-size:.7rem}}.grid-size-selector{text-align:center;max-width:700px;margin:0 auto}.grid-size-selector h2{margin-bottom:.5rem;font-size:1.75rem}.grid-size-options{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin:2rem 0}.grid-size-button{background:#fff;border:2px solid var(--secondary-color);border-radius:12px;padding:1.5rem 1rem;cursor:pointer;transition:all .2s ease;display:flex;flex-direction:column;align-items:center;gap:.75rem;box-shadow:0 2px 8px #0000000d}.grid-size-button:hover{border-color:var(--primary-color);background:#fff;transform:translateY(-4px);box-shadow:0 4px 12px #0000001a}.grid-preview{display:grid;gap:3px;width:60px;height:60px}.size-2 .grid-preview{grid-template-columns:repeat(2,1fr)}.size-4 .grid-preview,.size-6 .grid-preview,.size-8 .grid-preview{grid-template-columns:repeat(4,1fr)}.grid-preview-cell{background:var(--primary-color);border-radius:2px;aspect-ratio:1}.size-label{font-size:1.25rem;font-weight:700;color:var(--text-primary)}.size-description{font-size:.75rem;color:var(--text-secondary)}.grid-size-label{text-align:center;color:var(--text-secondary);margin-bottom:.5rem;font-size:.875rem}@media (max-width: 600px){.grid-size-options{grid-template-columns:repeat(2,1fr)}}