*{box-sizing:border-box;margin:0;padding:0}:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:#e8d5b7;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#0d0d0d;font-family:Noto Sans TC,PingFang TC,Microsoft JhengHei,sans-serif;font-weight:400;line-height:1.5}body{background:radial-gradient(at top,#1a1a1a 0%,#0d0d0d 100%);min-height:100vh}button{font-family:inherit}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#1a1a1a}::-webkit-scrollbar-thumb{background:#4a4a4a;border-radius:4px}.menu{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:80vh;display:flex}.menu-title h1{color:#e8d5b7;letter-spacing:.5em;margin:0;font-size:4rem;font-weight:300}.menu-title p{color:#a89070;letter-spacing:.3em;margin-top:.5rem;font-size:1rem}.menu-buttons{flex-direction:column;gap:1rem;width:280px;margin-top:3rem;display:flex}.menu-btn{color:#e8d5b7;cursor:pointer;background:#ffffff0d;border:1px solid #4a4a4a;border-radius:8px;align-items:center;gap:1rem;padding:1.2rem 2rem;font-size:1.1rem;transition:all .2s;display:flex}.menu-btn:hover{background:#ffffff1a;border-color:#a89070;transform:translateY(-2px)}.menu-btn.primary{background:#6a9fd426;border-color:#6a9fd4}.menu-btn.primary:hover{background:#6a9fd440;border-color:#6a9fd4}.menu-btn.secondary{background:#70a8701a;border-color:#70a870}.menu-btn.secondary:hover{background:#70a87033;border-color:#70a870}.menu-btn .icon{font-size:1.5rem}.difficulty-picker{flex-direction:column;align-items:center;padding-top:2rem;display:flex}.difficulty-picker h2{color:#e8d5b7;margin-bottom:2rem;font-size:1.5rem;font-weight:300}.difficulty-list{flex-direction:column;gap:.75rem;width:280px;display:flex}.difficulty-btn{cursor:pointer;color:#e8d5b7;text-align:left;background:#ffffff0d;border:1px solid #4a4a4a;border-radius:8px;align-items:center;gap:1rem;padding:1rem 1.5rem;transition:all .2s;display:flex}.difficulty-btn:hover{background:#6a9fd433;border-color:#6a9fd4;transform:translate(4px)}.difficulty-btn .level{color:#6a9fd4;min-width:40px;font-size:.9rem}.difficulty-btn .name{font-size:1rem}.back-btn{color:#a89070;cursor:pointer;background:0 0;border:1px solid #4a4a4a;border-radius:4px;margin-top:2rem;padding:.5rem 1.5rem}.back-btn:hover{color:#e8d5b7;border-color:#a89070}.board-container{background:linear-gradient(145deg,#d4a574,#c49a6c);border-radius:8px;justify-content:center;align-items:center;padding:16px;display:flex;box-shadow:0 8px 32px #0000004d}.board-svg{display:block}.stone{transform-origin:50%;transition:transform .1s}.stone:hover{transform:scale(1.05)}.tutorial{flex-direction:column;align-items:center;padding:1rem;display:flex}.tutorial-header{justify-content:space-between;align-items:center;width:100%;margin-bottom:1rem;display:flex}.tutorial-header .back-btn{color:#a89070;cursor:pointer;background:0 0;border:none;font-size:.9rem}.tutorial-header .back-btn:hover{color:#e8d5b7}.lesson-counter{color:#a89070;font-size:.9rem}.tutorial h2{color:#e8d5b7;margin:.5rem 0;font-size:1.3rem;font-weight:400}.lesson-content{color:#c0b0a0;text-align:center;max-width:400px;margin:.5rem 0 1.5rem;line-height:1.6}.tutorial-board{margin:1rem 0}.tutorial-message{color:#70c070;text-align:center;margin:1rem 0;font-size:1.1rem}.tutorial-nav{gap:1rem;margin-top:1rem;display:flex}.tutorial-nav button{color:#e8d5b7;cursor:pointer;background:#ffffff0d;border:1px solid #4a4a4a;border-radius:4px;padding:.6rem 2rem}.tutorial-nav button:disabled{opacity:.3;cursor:not-allowed}.tutorial-nav button:hover:not(:disabled){background:#ffffff1a;border-color:#a89070}.game{flex-direction:column;align-items:center;padding:1rem;display:flex}.game-header{justify-content:space-between;align-items:center;width:100%;margin-bottom:1rem;display:flex}.game-header .back-btn{color:#a89070;cursor:pointer;background:0 0;border:none;font-size:.9rem}.game-header .back-btn:hover{color:#e8d5b7}.game-info{align-items:center;gap:1rem;display:flex}.difficulty{color:#6a9fd4;font-size:.9rem}.mode{color:#a89070;font-size:.9rem}.game-status{align-items:center;gap:1rem;margin-bottom:1rem;display:flex}.current-player{background:#ffffff0d;border-radius:4px;align-items:center;gap:.5rem;padding:.5rem 1rem;display:flex}.current-player .stone-icon{font-size:1.2rem}.ai-thinking{color:#70a870;font-size:.9rem;animation:1s infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.board-wrapper{margin:1rem 0}.captured-info{color:#a89070;gap:2rem;margin:.5rem 0;font-size:.85rem;display:flex}.game-controls{gap:.75rem;margin-top:1rem;display:flex}.game-controls button{color:#e8d5b7;cursor:pointer;background:#ffffff0d;border:1px solid #4a4a4a;border-radius:4px;padding:.5rem 1.2rem;font-size:.9rem}.game-controls button:hover:not(:disabled){background:#ffffff1a;border-color:#a89070}.game-controls button:disabled{opacity:.3;cursor:not-allowed}.score-modal{text-align:center;z-index:100;background:#1a1a1a;border:1px solid #4a4a4a;border-radius:12px;min-width:300px;padding:2rem;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}.score-modal h3{color:#e8d5b7;margin:0 0 1.5rem;font-size:1.3rem;font-weight:400}.score-details{margin-bottom:1.5rem}.score-row{color:#c0b0a0;border-bottom:1px solid #333;justify-content:space-between;padding:.5rem 0;display:flex}.score-row:last-child{border-bottom:none}.winner{color:#70c070;margin-bottom:1.5rem;font-size:1.5rem}.score-modal button{color:#e8d5b7;cursor:pointer;background:#6a9fd433;border:1px solid #6a9fd4;border-radius:4px;padding:.6rem 2rem}.score-modal button:hover{background:#6a9fd44d}.app{flex-direction:column;min-height:100vh;display:flex}
