:root{--primary-color: #2c5530;--secondary-color: #3d7c47;--accent-color: #f4c430;--background-color: #1a4f1e;--card-bg: #ffffff;--card-border: #cccccc;--text-color: #ffffff;--text-dark: #333333;--red-card: #ff0000;--black-card: #000000}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,sans-serif;background:linear-gradient(135deg,var(--background-color) 0%,var(--primary-color) 100%);color:var(--text-color);min-height:100vh;overflow-x:auto}#app{min-width:1200px;padding:20px}.game-header{display:flex;justify-content:space-between;align-items:center;padding:20px 0;border-bottom:2px solid var(--secondary-color);margin-bottom:30px}.game-header h1{font-size:2.5rem;color:var(--accent-color);text-shadow:2px 2px 4px rgba(0,0,0,.5)}.game-controls{display:flex;gap:15px}.btn{padding:12px 24px;border:none;border-radius:8px;background:linear-gradient(145deg,var(--secondary-color),var(--primary-color));color:var(--text-color);font-size:16px;font-weight:700;cursor:pointer;box-shadow:0 4px 8px #0000004d}.btn:hover{box-shadow:0 6px 12px #0006;background:linear-gradient(145deg,var(--accent-color),#e6b022);color:var(--text-dark);transition:all .2s ease}.btn:active{box-shadow:0 2px 4px #0000004d}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:0 2px 4px #0003!important}.btn:disabled:hover{background:linear-gradient(145deg,var(--secondary-color),var(--primary-color));color:var(--text-color);transform:none}.game-stats{display:flex;gap:30px;font-size:18px;font-weight:700}.save-indicator{opacity:0;transition:opacity .3s ease;color:var(--accent-color);font-size:14px}.save-indicator.show{opacity:1}.game-board{display:flex;flex-direction:column;gap:30px;cursor:help;position:relative}.game-board:after{content:"💡 Click background for hints";position:fixed;bottom:20px;right:20px;background:#000000b3;color:var(--accent-color);padding:8px 12px;border-radius:20px;font-size:12px;opacity:.6;pointer-events:none;z-index:100}.foundation-piles{display:flex;justify-content:center;gap:15px;margin-bottom:20px}.foundation-pile{width:90px;height:126px;border:2px dashed var(--secondary-color);border-radius:8px;background:#ffffff1a;position:relative;transition:all .3s ease;display:flex;align-items:center;justify-content:center}.foundation-pile .card{position:static!important;top:auto!important;transform:none!important;z-index:auto!important}.foundation-pile .card.completed-sequence{animation:completeSequence 1s ease-in-out}@keyframes completeSequence{0%{transform:scale(1);box-shadow:0 2px 6px #0000004d}50%{transform:scale(1.1);box-shadow:0 8px 20px #f4c43099}to{transform:scale(1);box-shadow:0 4px 12px #f4c43066}}.foundation-pile:hover{background:#fff3;border-color:var(--accent-color)}.tableau-section{display:flex;justify-content:center;align-items:flex-start;position:relative;margin-bottom:20px;gap:30px}.tableau-piles{display:flex;justify-content:center;gap:24px}.tableau-pile{width:90px;min-height:400px;border:2px dashed transparent;border-radius:8px;position:relative;background:#ffffff0d;transition:all .3s ease}.tableau-pile:hover{background:#ffffff1a;border-color:var(--accent-color)}.stock{position:relative;width:90px;height:126px;cursor:pointer;transition:transform .2s ease}.stock:hover{transform:translateY(-2px)}.stock-stack{position:absolute;top:0;left:0;width:90px;height:126px;border-radius:6px;background:repeating-linear-gradient(45deg,#1e4d72,#1e4d72 10px,#2980b9 10px 20px);border:2px solid #0d1b2a;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff;box-shadow:0 2px 6px #0000004d;transition:all .2s ease}.stock-stack:nth-child(1){transform:translate(-3px,-3px);z-index:1}.stock-stack:nth-child(2){transform:translate(-2px,-2px);z-index:2}.stock-stack:nth-child(3){transform:translate(-1px,-1px);z-index:3}.stock-stack:nth-child(4){transform:translate(-.5px,-.5px);z-index:4}.stock-stack:nth-child(5){transform:translate(0);z-index:5;background:repeating-linear-gradient(45deg,#1e4d72,#1e4d72 10px,#2980b9 10px 20px);border:2px solid #0d1b2a}.stock-stack:before{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60%;height:60%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);border-radius:50%}.stock:hover .stock-stack:nth-child(5){transform:translateY(-4px)}.stock-empty-slot{width:90px;height:126px;border:2px dashed var(--secondary-color);border-radius:8px;background:#ffffff1a;position:relative;display:flex;align-items:center;justify-content:center;font-size:48px;font-weight:700;color:var(--secondary-color);opacity:.7;-webkit-user-select:none;user-select:none;pointer-events:none;cursor:default}.undo-btn{position:relative;margin-top:220px;width:50px;height:50px;padding:0;border:none;border-radius:8px;background:linear-gradient(145deg,var(--secondary-color),var(--primary-color));cursor:pointer;box-shadow:0 4px 8px #0000004d;z-index:10}.undo-btn:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background-image:url(/assets/image-BD8hHsNY.png);background-position:center center;background-repeat:no-repeat;background-size:70% 70%;border-radius:8px;pointer-events:none}.undo-btn:hover{box-shadow:0 6px 12px #0006;background:linear-gradient(145deg,var(--accent-color),#e6b022);transition:all .2s ease}.undo-btn:active{box-shadow:0 2px 4px #0000004d}.undo-btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:0 2px 4px #0003!important;background:linear-gradient(145deg,var(--secondary-color),var(--primary-color))}.undo-btn:disabled:hover{background:linear-gradient(145deg,var(--secondary-color),var(--primary-color))}.card{width:90px;height:126px;border-radius:8px;cursor:pointer;transition:all .1s ease;box-shadow:0 2px 6px #0000004d;-webkit-user-select:none;user-select:none}.card:hover{transform:translateY(-3px);box-shadow:0 4px 12px #0006}.card.face-up{background:var(--card-bg);border:1px solid var(--card-border)}.card.face-down{background:linear-gradient(135deg,#0f2a44,#1e4d72,#0f2a44);border:1px solid #0d1b2a}.card-content{padding:8px;height:100%;display:flex;flex-direction:column;position:relative}.card-top{display:flex;flex-direction:column;align-items:flex-start;gap:2px}.rank{font-size:22px;font-weight:700;line-height:1}.rank-with-suit{display:flex;align-items:center;gap:3px}.small-suit{font-size:16px;line-height:1}.suit{font-size:24px;line-height:1}.card-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center}.center-suit{font-size:48px;line-height:1;opacity:1}.red{color:var(--red-card)}.black{color:var(--black-card)}.card-back{width:100%;height:100%;background:repeating-linear-gradient(45deg,#1e4d72,#1e4d72 10px,#2980b9 10px 20px);border-radius:6px;border:2px solid #0d1b2a;position:relative}.card-back:before{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60%;height:60%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);border-radius:50%}.card[draggable=true]{cursor:grab}.card[draggable=true]:active{cursor:grabbing}.card.dragging{opacity:.7;transform:rotate(5deg);transition:none}.card.selected,.card.just-moved{box-shadow:0 0 0 1px var(--accent-color);transform:translateY(-5px)}.tableau-pile.drag-over{background:#f4c4304d;border-color:var(--accent-color)}.hint-highlight,.hint-source{animation:pulseSource .5s ease-in-out 1}.hint-target{animation:pulseTarget .5s ease-in-out 1 .2s}.hint-card{animation:pulseCard .5s ease-in-out 1}.hint-stock{animation:pulseStock .6s ease-in-out 2}@keyframes pulseStock{0%,to{transform:translateY(-2px);box-shadow:0 2px 6px #0000004d}50%{transform:translateY(-8px);box-shadow:0 8px 20px #f4c430cc}}@keyframes pulseSource{0%{border-color:var(--secondary-color);background:#ffffff0d;box-shadow:0 0 #fff9}50%{border-color:#fff;background:#ffffff4d;box-shadow:0 0 0 10px #fff0}to{border-color:var(--secondary-color);background:#ffffff0d;box-shadow:0 0 #fff0}}@keyframes pulseTarget{0%{border-color:var(--secondary-color);background:#ffffff0d;box-shadow:0 0 #fff9}50%{border-color:#fff;background:#ffffff4d;box-shadow:0 0 0 10px #fff0}to{border-color:var(--secondary-color);background:#ffffff0d;box-shadow:0 0 #fff0}}@keyframes pulseCard{0%,to{transform:scale(1);box-shadow:0 2px 6px #0000004d}50%{transform:scale(1.05);box-shadow:0 0 0 4px #fffc,0 4px 12px #fff6}}@media (max-width: 1400px){.tableau-piles{gap:18px}.tableau-pile{width:90px}.card{width:80px;height:112px}.rank{font-size:18px}.small-suit{font-size:14px}.suit{font-size:20px}.center-suit{font-size:40px}.tableau-section{margin-right:180px}.stock,.stock-stack{width:80px;height:112px}.stock-empty-slot{width:80px;height:112px;font-size:40px}.undo-btn{top:142px;width:45px;height:45px;background-size:50% 50%}}@media (max-width: 1200px){#app{min-width:1000px}.tableau-piles{gap:12px}.tableau-pile{width:90px}.card{width:75px;height:105px}.rank{font-size:16px}.small-suit{font-size:13px}.center-suit{font-size:36px}.game-header h1{font-size:2rem}.game-stats{font-size:16px}.tableau-section{margin-right:160px}.stock{width:75px;height:105px}.stock-stack{width:75px;height:105px;font-size:10px}.stock-empty-slot{width:75px;height:105px;font-size:36px}.undo-btn{top:135px;width:40px;height:40px;background-size:50% 50%}}@keyframes flipCard{0%{transform:scale(1) rotateY(0)}50%{transform:scale(1.1) rotateY(90deg)}to{transform:scale(1) rotateY(0)}}@keyframes moveCard{0%{transform:translate(0) translateY(0) scale(1)}50%{transform:translate(var(--move-x, 0)) translateY(var(--move-y, 0)) scale(1.05)}to{transform:translate(var(--move-x, 0)) translateY(var(--move-y, 0)) scale(1)}}.card.flipping{animation:flipCard .4s ease-in-out}.victory-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .5s ease-out}.victory-content{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));padding:40px;border-radius:20px;text-align:center;box-shadow:0 20px 40px #00000080;border:3px solid var(--accent-color);animation:slideIn .5s ease-out .2s both}.victory-content h2{font-size:2.5rem;margin-bottom:20px;color:var(--accent-color);text-shadow:2px 2px 4px rgba(0,0,0,.5)}.victory-content p{font-size:1.2rem;margin-bottom:20px;color:var(--text-color)}.victory-stats{background:#0003;padding:20px;border-radius:10px;margin:20px 0}.victory-stats p{margin:5px 0;font-weight:700;font-size:1.1rem}.victory-content .btn{margin:10px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{transform:translateY(-50px);opacity:0}to{transform:translateY(0);opacity:1}}.help-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .3s ease-out;overflow-y:auto;padding:20px}.help-content{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));padding:30px;border-radius:15px;max-width:600px;max-height:80vh;overflow-y:auto;box-shadow:0 20px 40px #00000080;border:2px solid var(--accent-color);animation:slideIn .3s ease-out .1s both}.help-content h2{text-align:center;color:var(--accent-color);margin-bottom:25px;font-size:2rem;text-shadow:2px 2px 4px rgba(0,0,0,.5)}.help-section{margin-bottom:25px}.help-section h3{color:var(--accent-color);margin-bottom:10px;font-size:1.3rem}.help-section p{color:var(--text-color);line-height:1.6;margin-bottom:10px}.help-section ul{color:var(--text-color);padding-left:20px}.help-section li{margin-bottom:8px;line-height:1.5}.help-section strong{color:var(--accent-color)}.close-help{display:block;margin:20px auto 0}.difficulty-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000e6;display:flex;align-items:center;justify-content:center;z-index:2000;animation:fadeIn .5s ease-out}.difficulty-content{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));padding:40px;border-radius:20px;text-align:center;box-shadow:0 20px 40px #00000080;border:3px solid var(--accent-color);max-width:800px;animation:slideIn .5s ease-out .2s both}.difficulty-content h2{font-size:2.5rem;margin-bottom:20px;color:var(--accent-color);text-shadow:2px 2px 4px rgba(0,0,0,.5)}.difficulty-content p{font-size:1.2rem;margin-bottom:30px;color:var(--text-color)}.difficulty-options{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}.difficulty-btn{background:linear-gradient(145deg,#ffffff1a,#ffffff0d);border:2px solid transparent;border-radius:15px;padding:25px 20px;cursor:pointer;color:var(--text-color);text-align:center;width:200px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.difficulty-btn:hover{box-shadow:0 10px 25px #0000004d;border-color:var(--accent-color);background:linear-gradient(145deg,#fff3,#ffffff1a);transition:all .2s ease}.difficulty-btn.easy:hover{border-color:#4caf50}.difficulty-btn.medium:hover{border-color:#ff9800}.difficulty-btn.hard:hover{border-color:#f44336}.difficulty-icon{font-size:3rem;margin-bottom:10px}.difficulty-btn h3{font-size:1.5rem;margin:10px 0;color:var(--accent-color)}.difficulty-btn p{font-size:1rem;margin:8px 0;color:var(--text-color);font-weight:700}.difficulty-btn small{font-size:.9rem;color:#ffffffb3;font-style:italic}.difficulty-actions{margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.2)}.cancel-btn{background:linear-gradient(145deg,#ffffff1a,#ffffff0d);border:2px solid rgba(255,255,255,.3);color:#fffc}.cancel-btn:hover{background:linear-gradient(145deg,#fff3,#ffffff1a);border-color:#ffffff80;color:var(--text-color)}