:root{--bg-color: #0f3814;--card-bg: #ffffff;--card-back: #1e3a8a;--text-main: #f8fafc;--accent: #3b82f6;--shadow-sm: 0 2px 4px rgba(0,0,0,.2);--shadow-md: 0 4px 8px rgba(0,0,0,.3);--shadow-glow: 0 0 15px 4px rgba(59, 130, 246, .6)}*{box-sizing:border-box;-webkit-user-select:none;user-select:none}body{margin:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:var(--bg-color);color:var(--text-main);overflow:hidden}.game-container{display:flex;flex-direction:column;height:100vh;background:radial-gradient(circle at center 30%,#1a5c20,#0a240d)}.game-header{display:flex;justify-content:space-between;align-items:center;padding:12px 24px;background:#0000004d;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.1)}.header-left{display:flex;align-items:center;gap:16px}.game-title{margin:0;font-size:1.5rem;font-weight:700;text-shadow:0 2px 4px rgba(0,0,0,.5)}.cloud-status{display:flex;align-items:center;gap:6px;font-size:.8rem;color:#94a3b8;background:#ffffff1a;padding:4px 10px;border-radius:12px}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.text-green{color:#4ade80}.text-red{color:#f87171}.text-yellow{color:#fbbf24}.icon-sm{width:16px;height:16px}.header-center{display:flex;gap:20px}.stat-box{display:flex;align-items:center;gap:8px;font-size:1rem;font-weight:500;background:#0003;padding:6px 16px;border-radius:8px}.best-score{border:1px solid rgba(251,191,36,.3)}.header-right{display:flex;gap:12px}.difficulty-select{background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.2);padding:6px 12px;border-radius:6px;outline:none;cursor:pointer}.difficulty-select option{background:var(--bg-color)}.btn-restart{display:flex;align-items:center;gap:6px;background:var(--accent);color:#fff;border:none;padding:6px 16px;border-radius:6px;cursor:pointer;font-weight:600;transition:background .2s}.btn-restart:hover{background:#2563eb}.game-board{flex:1;display:flex;flex-direction:column;padding:20px;position:relative;overflow:hidden}.tableau-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:1vw;flex:1;max-width:1200px;margin:0 auto;width:100%}.card-column{position:relative;width:100%;height:100%;min-height:150px;border-radius:8px;transition:background .2s}.column-placeholder{position:absolute;top:0;left:0;width:100%;aspect-ratio:2.5/3.5;border:2px dashed rgba(255,255,255,.2);border-radius:8px}.card-column.drag-over:after{content:"";position:absolute;top:-4px;right:-4px;bottom:-4px;left:-4px;border:2px dashed #60a5fa;border-radius:8px;background:#60a5fa26;pointer-events:none;z-index:100}.card-wrapper{position:absolute;top:0;left:0;width:100%;aspect-ratio:2.5/3.5;cursor:default;transition:filter .2s}.card-wrapper.clickable{cursor:grab}.card-wrapper.clickable:active{cursor:grabbing}.card-wrapper.clickable:hover .card{transform:translateY(-2px);box-shadow:var(--shadow-md)}.card-wrapper.selected .card{box-shadow:var(--shadow-glow);border:2px solid #60a5fa;transform:translateY(-4px)}.card{width:100%;height:100%;border-radius:8px;background:var(--card-bg);box-shadow:var(--shadow-sm);position:relative;overflow:hidden;border:1px solid rgba(0,0,0,.1);transition:transform .1s}.card.face-down{background:var(--card-back);border:2px solid #fff}.card-back-pattern{position:absolute;top:4px;right:4px;bottom:4px;left:4px;border-radius:4px;background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.1) 0,rgba(255,255,255,.1) 2px,transparent 2px,transparent 6px)}.card-top-left{position:absolute;top:4px;left:4px;display:flex;flex-direction:column;align-items:center}.card-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);opacity:.3}.game-footer{display:flex;justify-content:space-between;align-items:flex-end;height:120px;max-width:1200px;margin:0 auto;width:100%;padding-bottom:20px}.completed-area{display:flex;gap:8px}.completed-slot{width:60px;height:84px;border:2px dashed rgba(255,255,255,.2);border-radius:6px;display:flex;justify-content:center;align-items:center}.completed-slot.filled{background:#ffffff1a;border-style:solid}.stock-area{cursor:pointer}.stock-pile{position:relative;width:70px;height:98px}.stock-card{position:absolute;width:100%;height:100%}.stock-pile:hover .stock-card{transform:translateY(-2px)}.stock-count{position:absolute;bottom:-25px;left:50%;transform:translate(-50%);background:#0009;padding:2px 8px;border-radius:10px;font-size:.9rem}.stock-empty{width:100%;height:100%;border:2px dashed rgba(255,255,255,.3);border-radius:8px;display:flex;justify-content:center;align-items:center;color:#ffffff80}.toast-message{position:fixed;bottom:40px;left:50%;transform:translate(-50%);background:#000c;color:#fff;padding:12px 24px;border-radius:30px;font-weight:500;box-shadow:0 4px 12px #0000004d;animation:slideUp .3s ease-out;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}@keyframes slideUp{0%{opacity:0;transform:translate(-50%,20px)}to{opacity:1;transform:translate(-50%)}}@media (max-width: 768px){.header-center{display:none}.game-title{font-size:1.2rem}.card-top-left span{font-size:.9rem}.card-top-left svg{width:10px;height:10px}.card-center{display:none}}