.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa)}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (prefers-reduced-motion: no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{padding:2em}.read-the-docs{color:#888}.app{position:relative;width:100%;height:100%;overflow:hidden}canvas{width:100%;height:100%;display:block}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-screen:after{content:"";width:50px;height:50px;border-radius:50%;border:5px solid rgba(255,255,255,.1);border-top-color:var(--secondary-color);animation:spin 1s linear infinite;margin-top:20px}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#282c34;color:#fff;overflow:hidden}#root{min-height:100vh;display:flex;flex-direction:column}.start-screen{display:flex;flex-direction:column;min-height:100vh;justify-content:center;align-items:center;padding:20px;box-sizing:border-box;background-image:url(/assets/bg/start-bg.webp);background-size:cover;background-position:center}.start-panel{width:100%;max-width:500px;background:#282832b3;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.18);border-radius:15px;padding:30px 40px;color:#fff;text-align:center;box-shadow:0 8px 32px #0000005e}.start-screen-footer{width:100%;padding:15px 0;margin-top:auto;text-align:center;font-size:.9rem;color:#ffffffb3}.start-screen-footer a{color:#ffffffe6;text-decoration:none;font-weight:700}.start-screen-footer a:hover{text-decoration:underline}:root{--primary-color: #3498db;--secondary-color: #2ecc71;--accent-color: #e74c3c;--light-color: #ecf0f1;--dark-color: #2c3e50;--success-color: #27ae60;--warning-color: #f39c12;--chess-brown-dark: #5D4037;--chess-brown-medium: #8B4513;--chess-cream: #EEEED2;--chess-green: #769656;--chess-panel-bg: rgba(44, 62, 80, .6);--chess-panel-border: rgba(236, 240, 241, .2);--font-primary: "Arial", sans-serif;--font-heading: "Arial", sans-serif}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden}body{font-family:var(--font-primary);line-height:1.6;color:var(--dark-color);background:var(--light-color)}#root{width:100%;height:100%}.game-container{width:100%;height:100vh;overflow:hidden;position:relative}.game-scene{position:absolute;top:0;left:0;width:100%;height:100%}canvas{display:block;width:100%;height:100%}.loading-screen{width:100%;height:100vh;display:flex;justify-content:center;align-items:center;background:var(--light-color);position:relative}.loading-screen:after{content:"";width:50px;height:50px;border-radius:50%;border:6px solid var(--primary-color);border-top-color:transparent;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.start-screen{width:100%;height:100vh;display:flex;justify-content:center;align-items:center;background-image:url(/chess-bg.png);background-size:cover;background-position:center;padding:2rem}.start-screen-panel{background:var(--chess-panel-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--chess-panel-border);color:var(--chess-cream);padding:2rem 2.5rem;border-radius:15px;box-shadow:0 8px 32px #1f26875e;max-width:500px;width:90%;text-align:center}.start-screen h1{font-size:2.5rem;margin-bottom:1.5rem;color:#fff;font-weight:700;text-shadow:1px 1px 3px rgba(0,0,0,.5)}.settings-group{margin-bottom:1.5rem;display:flex;flex-direction:column;gap:1.2rem}.section h2{font-size:1.3rem;color:var(--chess-cream);margin-bottom:.75rem}.options-row{display:flex;justify-content:center;gap:1rem}.option-button{padding:.6rem 1.2rem;border:1px solid var(--chess-panel-border);background:var(--chess-panel-bg);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);color:var(--chess-cream);font-weight:700;border-radius:8px;cursor:pointer;transition:all .3s ease}.option-button:hover{background:#ecf0f14d;border-color:#ecf0f180;transform:translateY(-1px)}.option-button.selected{background:var(--chess-brown-medium);color:#fff;border-color:var(--chess-brown-dark);backdrop-filter:none;-webkit-backdrop-filter:none}.environment-selection select{background:var(--chess-panel-bg);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);color:var(--chess-cream);border:1px solid var(--chess-panel-border);border-radius:8px;padding:.6rem 1rem;font-size:1rem;cursor:pointer;width:auto;min-width:150px}.actions-group{display:flex;flex-direction:column;gap:.8rem;margin-top:1.5rem}.action-button{padding:.8rem 1.5rem;font-size:1.1rem;font-weight:700;border-radius:8px;cursor:pointer;transition:all .3s ease;border:1px solid var(--chess-panel-border);background:var(--chess-panel-bg);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);color:var(--chess-cream)}.action-button.primary{background:var(--chess-brown-medium);color:#fff;border-color:var(--chess-brown-dark);backdrop-filter:none;-webkit-backdrop-filter:none}.action-button.primary:hover{background:var(--chess-brown-dark);transform:translateY(-2px)}.action-button.secondary{background:var(--chess-green);color:#fff;border-color:var(--chess-brown-dark);backdrop-filter:none;-webkit-backdrop-filter:none}.action-button.secondary:hover{background:#587a42;transform:translateY(-2px)}.glassy-button{padding:.6rem 1rem;border:1px solid var(--chess-panel-border);background:var(--chess-panel-bg);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);color:var(--chess-cream);font-weight:700;border-radius:8px;cursor:pointer;transition:all .3s ease;margin:0}.glassy-button:hover{background:#ecf0f14d;border-color:#ecf0f180;transform:translateY(-1px)}button{background:var(--primary-color);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:4px;font-weight:700;cursor:pointer;transition:background .3s,transform .2s;margin:.5rem}button:hover{background:var(--secondary-color);transform:translateY(-2px)}.button-primary{background:var(--primary-color)}.button-secondary{background:var(--secondary-color)}.button-accent{background:var(--accent-color)}.game-lobby{width:100%;height:100vh;display:flex;flex-direction:column;padding:2rem;background:var(--light-color)}.game-lobby h2{margin-bottom:1.5rem}.lobby-section{margin-bottom:2rem}.lobby-games{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem}.game-card{background:#fff;border-radius:8px;padding:1rem;box-shadow:0 2px 10px #0000001a}input,select{width:100%;padding:.75rem;margin-bottom:1rem;border:1px solid #ddd;border-radius:4px}label{display:block;margin-bottom:.5rem;font-weight:700}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.text-center{text-align:center}.text-right{text-align:right}.flex{display:flex}.flex-column{flex-direction:column}.justify-center{justify-content:center}.align-center{align-items:center}