:root{--primary-color: #3498db;--primary-dark: #2980b9;--secondary-color: #f39c12;--secondary-dark: #e67e22;--accent-color: #e74c3c;--accent-dark: #c0392b;--success-color: #2ecc71;--success-dark: #27ae60;--bg-dark: #2c3e50;--bg-darker: #1a2530;--bg-light: #34495e;--text-light: #ecf0f1;--text-dim: rgba(255, 255, 255, .7);--border-radius-sm: 12px;--border-radius-md: 20px;--border-radius-lg: 30px;--shadow-sm: 0 4px 6px rgba(0, 0, 0, .1);--shadow-md: 0 10px 20px rgba(0, 0, 0, .15);--shadow-lg: 0 15px 30px rgba(0, 0, 0, .2);--transition-fast: .2s ease;--transition-normal: .3s ease;--card-bg: rgba(52, 73, 94, .6);--card-border: rgba(255, 255, 255, .1);--header-height: 70px;--footer-height: 100px;--glow-color: rgba(243, 156, 18, .6);--error-color: #e74c3c}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Poppins,Fredoka,sans-serif;margin:0;padding:0;background:radial-gradient(ellipse at top,var(--bg-dark) 0%,var(--bg-darker) 100%);background-attachment:fixed;color:var(--text-light);min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:18px;line-height:1.6;position:relative;overflow-x:hidden}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:url(/img/morse-pattern.svg) repeat;opacity:.03;z-index:-1;pointer-events:none}.container{max-width:600px;margin:0 auto;padding:30px 20px;text-align:center;width:100%;position:relative;z-index:1}button{cursor:pointer;font-family:Poppins,Fredoka,sans-serif;transition:all var(--transition-normal);font-weight:600;letter-spacing:1px;text-shadow:1px 1px 0px rgba(0,0,0,.2);border:none;outline:none;position:relative;overflow:hidden;box-shadow:var(--shadow-md)}button:after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(#ffffff1a,#fff0);opacity:0;transition:opacity var(--transition-fast)}button:hover:after{opacity:1}button:active{transform:translateY(2px);box-shadow:var(--shadow-sm)}.title-link{text-decoration:none;transition:all var(--transition-normal);position:relative;display:inline-block;font-size:3rem;font-weight:700;margin-bottom:1rem;color:var(--text-light);text-shadow:0 2px 10px rgba(0,0,0,.3);letter-spacing:2px}.title-link:hover{color:var(--secondary-color);text-shadow:0 0 15px var(--glow-color)}.title-link:after{content:"";position:absolute;bottom:-5px;left:50%;transform:translate(-50%);width:0;height:3px;background:var(--secondary-color);transition:width var(--transition-normal);box-shadow:0 0 10px var(--glow-color)}.title-link:hover:after{width:80%}.footer{margin-top:60px;padding:40px 20px;background:linear-gradient(to top,#1a2530e6,#1a2530b3);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.1);width:100%}.footer-unified{max-width:600px;margin:0 auto}h1{font-size:5.5em;margin-top:.5rem;letter-spacing:2px;font-weight:700;text-shadow:0 0 15px rgba(231,76,60,.6),3px 3px 0px rgba(192,57,43,.8);cursor:pointer;transition:transform .2s ease;color:var(--secondary-color);font-family:Fredoka,sans-serif;position:relative;display:inline-block}h1:hover{transform:scale(1.03)}h1:after{width:80px}.footer-sections{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px}.footer-section{flex:1;min-width:160px;text-align:left}.footer-section h3{font-size:1.2rem;margin-bottom:15px;color:var(--text-light);position:relative;display:inline-block}.footer-section h3:after{content:"";position:absolute;bottom:-5px;left:0;width:30px;height:2px;background:var(--primary-color)}.footer-section p{color:var(--text-dim);line-height:1.6;margin-bottom:10px}.footer-section ul{list-style:none;padding:0}.footer-section li{margin-bottom:10px}.footer-section a{color:var(--primary-color);text-decoration:none;transition:all var(--transition-normal);position:relative}.footer-section a:after{content:"";position:absolute;width:100%;transform:scaleX(0);height:1px;bottom:-2px;left:0;background-color:var(--primary-color);transform-origin:bottom right;transition:transform .3s ease-out}.footer-section a:hover{color:var(--secondary-color)}.footer-section a:hover:after{transform:scaleX(1);transform-origin:bottom left}@media (max-width: 768px){.footer-sections{flex-direction:column;gap:20px}.footer-section{min-width:100%;flex-basis:100%}.feature-grid{grid-template-columns:1fr}.hero-content>p{max-width:100%}}.game-container{background:linear-gradient(145deg,var(--bg-dark) 0%,var(--bg-darker) 100%);border-radius:var(--border-radius-lg);padding:40px;box-shadow:var(--shadow-lg);border:none;position:relative;overflow:hidden}.game-container:before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));z-index:1}.option-button{padding:20px;font-size:2rem;font-weight:600;border:none;border-radius:var(--border-radius-md);background:var(--card-bg);color:var(--text-light);cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-md);border:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);width:100%;height:100%;display:flex;align-items:center;justify-content:center;flex-direction:column}.morse-hint{display:block;font-size:18px;margin-top:10px;color:var(--text-dim);font-family:monospace;letter-spacing:2px}.key-label{position:absolute;top:8px;right:12px;font-size:14px;color:var(--text-dim);font-family:monospace;background-color:#0003;padding:2px 8px;border-radius:10px}.key-pressed{transform:translateY(3px)!important;box-shadow:0 5px 0 var(--primary-dark)!important;transition:transform .05s,box-shadow .05s}.chart-link{margin-top:20px;font-size:18px}.chart-link a{color:var(--primary-color);text-decoration:none;transition:all var(--transition-normal);position:relative}.chart-link a:hover{color:var(--secondary-color);text-decoration:underline}.chart-link a:after{content:"";position:absolute;width:100%;transform:scaleX(0);height:2px;bottom:-2px;left:0;background-color:var(--primary-color);transform-origin:bottom right;transition:transform .3s ease-out}.chart-link a:hover:after{transform:scaleX(1);transform-origin:bottom left;background-color:var(--secondary-color)}#startScreen{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:linear-gradient(145deg,var(--bg-dark) 0%,var(--bg-darker) 100%);border-radius:var(--border-radius-lg);padding:40px 30px;margin:40px 0;position:relative;border:2px dashed rgba(52,152,219,.3);box-shadow:var(--shadow-md)}#startScreen:before{content:"";position:absolute;left:50%;top:-2px;transform:translate(-50%);width:80%;height:4px;background:linear-gradient(90deg,#3498db00,#3498dbcc,#3498db00);border-radius:2px}#startScreen p{font-size:28px;font-weight:600;color:var(--text-light);margin-bottom:40px;text-shadow:var(--text-shadow)}#startScreen .chart-link{margin-top:0;width:100%;max-width:300px}#startScreen .chart-link a{display:block;width:100%;padding:12px 25px;background:linear-gradient(145deg,#3498db33,#3498db4d);border-radius:var(--border-radius-md);color:var(--text-light);font-size:18px;font-weight:600;text-decoration:none;transition:all var(--transition-normal);border:1px solid rgba(52,152,219,.3);box-shadow:var(--shadow-sm);box-sizing:border-box}#startScreen .chart-link a:hover{background:linear-gradient(145deg,#3498db4d,#3498db66);transform:translateY(-3px);box-shadow:var(--shadow-md);color:var(--primary-color);border-color:#3498db80}#startScreen .chart-link a:active{transform:translateY(1px);box-shadow:var(--shadow-sm)}.score-container{margin-bottom:20px;width:100%}.score-widget{background-color:#ffffff1a;border-radius:var(--border-radius-md);padding:15px;box-shadow:var(--shadow-sm);display:flex;flex-direction:row;align-items:center;justify-content:space-between}.score-info{display:flex;flex-direction:column;align-items:flex-start;margin-right:15px;min-width:100px}.score-label{font-size:18px;margin-bottom:5px;color:var(--text-dim)}.score-value{font-size:24px;font-weight:700;color:var(--secondary-color)}.score-tracker{display:flex;flex-wrap:wrap;justify-content:center;gap:5px;max-width:100%;margin-top:5px}.score-marker{width:12px;height:12px;border-radius:50%;margin:2px;transition:all .3s ease}.score-marker.correct{background-color:var(--success-color);box-shadow:0 0 5px #2ecc71b3}.score-marker.incorrect{background-color:var(--error-color);box-shadow:0 0 5px #e74c3cb3}.score-dot{width:12px;height:12px;border-radius:50%;margin:2px;transition:all .3s ease}.score-dot.correct{background-color:var(--success-color);box-shadow:0 0 5px #2ecc71b3}.score-dot.incorrect{background-color:var(--error-color);box-shadow:0 0 5px #e74c3cb3}.feedback{height:40px;margin-top:30px;font-weight:700;font-size:28px;color:var(--secondary-color);text-shadow:0 0 10px rgba(243,156,18,.5)}.score{font-size:32px;font-weight:700;color:var(--secondary-color);margin-bottom:30px;text-shadow:2px 2px 0px rgba(0,0,0,.3),0 0 10px rgba(243,156,18,.3)}.score-display{font-size:24px;font-weight:700;margin:15px 0;color:var(--secondary-color)}.settings{background:linear-gradient(145deg,#34495eb3,#2c3e50b3);padding:25px;border-radius:var(--border-radius-md);margin-top:30px;font-size:20px;border:none;box-shadow:var(--shadow-md)}.settings label{font-size:20px;margin-right:15px;color:var(--primary-color);font-weight:600}.settings select{padding:12px 20px;font-size:18px;border-radius:var(--border-radius-sm);border:2px solid var(--primary-dark);background-color:#2c3e50b3;color:var(--text-light);font-family:Poppins,sans-serif;cursor:pointer;box-shadow:var(--shadow-sm);transition:all var(--transition-normal)}.settings select:hover{border-color:var(--primary-color);box-shadow:0 0 10px #3498db4d}.settings select:focus{outline:none;border-color:var(--secondary-color);box-shadow:0 0 15px #f39c124d}.hint-setting{display:inline-block;margin-left:30px}.hint-icon{display:inline-block;margin-right:8px}.hint-setting input[type=checkbox]{width:20px;height:20px;vertical-align:middle;cursor:pointer;margin-right:8px}.controls{display:flex;justify-content:center;gap:20px;margin-top:30px}.control-button{background:linear-gradient(145deg,var(--bg-light),#2d3e50);color:var(--text-light);border-radius:var(--border-radius-sm);padding:12px 25px;font-size:16px;box-shadow:var(--shadow-sm);transition:all var(--transition-normal);display:flex;align-items:center;justify-content:center;gap:8px}.control-button:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);background:linear-gradient(145deg,#3a5269,var(--bg-light))}.control-button:active{transform:translateY(1px);box-shadow:var(--shadow-sm)}.play-again-button{background:linear-gradient(145deg,var(--secondary-color),var(--secondary-dark));color:#fff;border-radius:var(--border-radius-md);padding:15px 30px;font-size:20px;margin-top:20px;box-shadow:0 6px 0 var(--secondary-dark),var(--shadow-md)}.play-again-button:hover{transform:translateY(-5px);box-shadow:0 11px 0 var(--secondary-dark),var(--shadow-lg)}.play-again-button:active{transform:translateY(3px);box-shadow:0 3px 0 var(--secondary-dark),var(--shadow-sm)}.progress-container{background-color:#ffffff1a;border-radius:20px;height:10px;width:100%;margin:20px 0;overflow:hidden;position:relative}.progress-bar{background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));height:100%;border-radius:20px;transition:width .5s ease}.instructions{background-color:#ffffff0d;border-radius:var(--border-radius-md);padding:25px;margin-bottom:30px;text-align:left;box-shadow:var(--shadow-sm);border-left:4px solid var(--primary-color)}.instructions h2{color:var(--secondary-color);margin-bottom:15px;font-size:24px}.instructions p{margin-bottom:10px;font-size:16px;line-height:1.6}.instructions ul{margin-left:20px;margin-bottom:10px}.instructions li{margin-bottom:5px}@keyframes pulse{0%{box-shadow:0 8px 0 var(--success-dark),0 0 20px #2ecc7180}50%{box-shadow:0 8px 0 var(--success-dark),0 0 40px #2ecc71cc}to{box-shadow:0 8px 0 var(--success-dark),0 0 20px #2ecc7180}}@keyframes shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-10px)}40%,80%{transform:translate(10px)}}#gameArea{display:none}body.game-active #gameArea{display:block}body.game-active #startScreen{display:none}@media (max-width: 768px){.container{padding:20px 15px}.game-container{padding:30px 20px}.options{grid-template-columns:1fr;gap:20px}.option-button{font-size:30px;padding:20px 15px;min-height:110px}button{font-size:16px}.start-button{font-size:28px;padding:15px 40px}.score-container{flex-direction:column;align-items:center}.score-widget{margin-bottom:15px}.settings-toggle{margin-left:0;margin-top:10px}.morse-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:15px}.morse-item{padding:15px 10px}.character{font-size:28px}.morse{font-size:16px}h2{font-size:24px}}@media (max-width: 480px){.container{padding:15px 10px}.game-container{padding:25px 15px}.option-button{font-size:24px;padding:15px 10px;min-height:90px}.start-button{font-size:24px;padding:12px 30px}.hint-setting{margin-left:0;margin-top:10px}}.chart-section{background:linear-gradient(145deg,var(--bg-light) 0%,#2d3e50 100%);border-radius:var(--border-radius-md);padding:30px 25px;margin-bottom:40px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}.chart-section:before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));z-index:1}.morse-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:15px;margin:20px 0}.morse-item{background:linear-gradient(145deg,#3498db1a,#3498db33);border-radius:var(--border-radius-sm);padding:20px 15px;display:flex;flex-direction:column;align-items:center;box-shadow:var(--shadow-sm);transition:all var(--transition-normal);cursor:pointer;border:1px solid rgba(52,152,219,.2)}.morse-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);background:linear-gradient(145deg,#3498db33,#3498db4d);border-color:#3498db4d}.morse-item.playing{background:linear-gradient(145deg,#f39c1233,#f39c124d);box-shadow:0 0 20px #f39c1266;border-color:#f39c1266}.character{font-size:32px;font-weight:700;margin-bottom:10px;text-shadow:1px 1px 3px rgba(0,0,0,.2)}.morse{font-family:monospace;font-size:18px;letter-spacing:2px;color:var(--text-dim)}.back-link{margin-top:40px;font-size:18px}.back-link a{color:var(--primary-color);text-decoration:none;transition:all var(--transition-normal);position:relative;padding:10px 20px;background-color:#ffffff0d;border-radius:var(--border-radius-sm);display:inline-block}.back-link a:hover{color:var(--secondary-color);background-color:#ffffff1a;transform:translateY(-3px);box-shadow:var(--shadow-sm)}.back-link a:after{content:"";position:absolute;width:100%;transform:scaleX(0);height:2px;bottom:5px;left:0;background-color:var(--primary-color);transform-origin:bottom right;transition:transform .3s ease-out}.back-link a:hover:after{transform:scaleX(1);transform-origin:bottom left;background-color:var(--secondary-color)}.option-button{background:linear-gradient(145deg,var(--primary-color),var(--primary-dark));color:#fff;border-radius:var(--border-radius-md);font-size:36px;padding:20px;margin:10px;width:calc(50% - 20px);height:120px;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden;transition:all var(--transition-normal);border:1px solid rgba(255,255,255,.1);box-shadow:var(--shadow-md),inset 0 1px #ffffff26}.option-button:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg),inset 0 1px #ffffff26}.option-button:active{transform:translateY(1px);box-shadow:var(--shadow-sm),inset 0 1px #ffffff26}.option-button.correct{background:linear-gradient(145deg,var(--success-color),var(--success-dark));animation:correct-pulse 1s infinite}#startScreen{max-width:600px;margin:0 auto;padding:30px;background:var(--card-bg);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--card-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:fadeIn .8s ease-out}#startScreen p{font-size:1.3rem;margin-bottom:1.5rem;color:var(--text-light);line-height:1.6}.start-button{background:linear-gradient(145deg,var(--secondary-color),var(--secondary-dark));color:#fff;font-size:1.5rem;padding:15px 40px;border-radius:var(--border-radius-md);margin:20px 0;position:relative;overflow:hidden;transition:all var(--transition-normal);box-shadow:var(--shadow-md),0 0 15px #f39c124d}.start-button:hover{transform:translateY(-3px) scale(1.05);box-shadow:var(--shadow-lg),0 0 20px #f39c1280}.start-button:active{transform:translateY(1px)}.chart-link{margin-top:20px}.chart-link a{color:var(--text-light);text-decoration:none;font-weight:600;transition:all var(--transition-normal);position:relative;padding:5px 10px;border-radius:var(--border-radius-sm)}.chart-link a:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:2px;background:var(--primary-color);transform:scaleX(0);transform-origin:right;transition:transform var(--transition-normal)}.chart-link a:hover{color:var(--primary-color)}.chart-link a:hover:after{transform:scaleX(1);transform-origin:left}#gameArea{animation:fadeIn .5s ease-out}.game-container{background:var(--card-bg);border-radius:var(--border-radius-lg);padding:30px;margin:20px 0;box-shadow:var(--shadow-lg);border:1px solid var(--card-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.chart-section{background:var(--card-bg);border-radius:var(--border-radius-lg);padding:30px;margin:30px 0;box-shadow:var(--shadow-lg);border:1px solid var(--card-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:fadeIn .5s ease-out;text-align:left}.chart-section h2{margin-bottom:20px;color:var(--secondary-color);font-weight:600;position:relative;display:inline-block}.chart-section h2:after{content:"";position:absolute;bottom:-5px;left:50%;transform:translate(-50%);width:50px;height:3px;background:var(--secondary-color);border-radius:3px}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes correct-pulse{0%{box-shadow:0 0 #2ecc7166}70%{box-shadow:0 0 0 15px #2ecc7100}to{box-shadow:0 0 #2ecc7100}}@keyframes incorrect-shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-5px)}40%,80%{transform:translate(5px)}}@media (max-width: 768px){.title-link{font-size:2.5rem}.option-button{font-size:28px;height:100px}}@media (max-width: 480px){.title-link{font-size:2rem}.option-button{font-size:24px;height:90px;width:calc(50% - 10px);margin:5px}.start-button{font-size:1.2rem;padding:12px 30px}}.hero-content{text-align:center}.hero-content h2{font-size:1.8rem;margin-bottom:1rem;color:var(--secondary-color);font-weight:600}.hero-content>p{font-size:1.2rem;margin-bottom:2rem;max-width:80%;margin-left:auto;margin-right:auto}.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:30px 0}.feature-item{background:#ffffff0d;border-radius:var(--border-radius-md);padding:20px;transition:all var(--transition-normal);border:1px solid rgba(255,255,255,.05)}.feature-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);background:#ffffff1a;border-color:#ffffff1a}.feature-icon{font-size:2rem;margin-bottom:10px}.feature-item h3{font-size:1.2rem;margin-bottom:10px;color:var(--primary-color)}.feature-item p{font-size:.9rem;color:var(--text-dim)}.cta-container{display:flex;flex-direction:column;align-items:center;gap:15px;margin:30px 0}.button-morse{display:block;font-size:.8rem;margin-top:5px;opacity:.8}.how-to-play-button{background:transparent;color:var(--text-light);border:1px solid rgba(255,255,255,.2);padding:10px 20px;border-radius:var(--border-radius-md);font-size:1rem;transition:all var(--transition-normal)}.how-to-play-button:hover{background:#ffffff1a;border-color:#ffffff4d}.how-to-play{background:#ffffff0d;border-radius:var(--border-radius-md);padding:20px;margin:20px 0;border:1px solid rgba(255,255,255,.1);animation:fadeIn .5s ease-out}.how-to-play h3{font-size:1.3rem;margin-bottom:15px;color:var(--primary-color)}.how-to-play ol{text-align:left;padding-left:30px;margin-bottom:20px}.how-to-play li{margin-bottom:10px;color:var(--text-light)}.morse-fact{background:#3498db1a;border-radius:var(--border-radius-sm);padding:15px;border-left:3px solid var(--primary-color);text-align:left}.morse-fact h4{color:var(--primary-color);margin-bottom:5px;font-size:1.1rem}.morse-fact p{font-size:.9rem;color:var(--text-dim)}.game-instructions{margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.1)}.game-instructions p{margin-bottom:15px}.replay-button{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:var(--text-light);padding:8px 15px;border-radius:var(--border-radius-md);font-size:.9rem;cursor:pointer;transition:all var(--transition-normal);display:flex;align-items:center;justify-content:center;gap:5px;margin:15px auto;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.replay-button:hover{background:#ffffff26;transform:translateY(-2px);box-shadow:var(--shadow-md)}.replay-button:active{transform:translateY(1px);box-shadow:var(--shadow-sm)}.replay-icon{font-size:1.1rem;animation:spin 2s linear infinite paused}.replay-button:hover .replay-icon{animation-play-state:running}.settings{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:20px;margin-top:20px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1)}.setting-group{display:flex;align-items:center;gap:10px}.reset-button{background:linear-gradient(145deg,var(--accent-color),var(--accent-dark));color:#fff;padding:8px 15px;border-radius:var(--border-radius-sm);font-size:.9rem}.keyboard-tip{margin-top:20px;font-size:.9rem;color:var(--text-dim);font-style:italic}.footer-sections{display:flex;flex-wrap:wrap;justify-content:space-between;gap:30px}.footer-section{flex:1;min-width:250px;text-align:left}.page-intro{text-align:center;margin-bottom:30px}.page-intro h2{font-size:2rem;color:var(--secondary-color);margin-bottom:15px;font-weight:600}.page-intro p{font-size:1.1rem;max-width:700px;margin:0 auto;color:var(--text-dim)}.morse-info-card{background:var(--card-bg);border-radius:var(--border-radius-lg);padding:30px;margin:30px 0;box-shadow:var(--shadow-lg);border:1px solid var(--card-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:fadeIn .5s ease-out;text-align:left}.morse-info-card h3{font-size:1.5rem;margin-bottom:15px;color:var(--primary-color)}.morse-info-card p{line-height:1.7;margin-bottom:20px}.morse-tips{background:#ffffff0d;border-radius:var(--border-radius-md);padding:20px;border-left:3px solid var(--secondary-color)}.morse-tips h4{color:var(--secondary-color);margin-bottom:15px;font-size:1.2rem}.morse-tips ul{padding-left:20px}.morse-tips li{margin-bottom:10px;color:var(--text-dim)}.morse-history{background:var(--card-bg);border-radius:var(--border-radius-lg);padding:30px;margin:30px 0;box-shadow:var(--shadow-lg);border:1px solid var(--card-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:fadeIn .5s ease-out;text-align:left}.morse-history h3{font-size:1.5rem;margin-bottom:20px;color:var(--primary-color);text-align:center}.history-content{display:flex;flex-direction:column;gap:15px}.history-content p{line-height:1.7;color:var(--text-dim)}.morse-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:15px;margin:20px 0}.morse-item{background:#ffffff0d;border-radius:var(--border-radius-md);padding:15px 10px;cursor:pointer;transition:all var(--transition-normal);border:1px solid rgba(255,255,255,.05);display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden}.morse-item:hover{transform:translateY(-3px);background:#ffffff1a;box-shadow:var(--shadow-md);border-color:#ffffff1a}.morse-item.playing{background:#3498db33;border-color:var(--primary-color);box-shadow:0 0 15px #3498db4d;animation:pulse 1s infinite}.morse-item .character{font-size:1.8rem;font-weight:600;margin-bottom:5px}.morse-item .morse{font-size:1rem;color:var(--text-dim);letter-spacing:1px}.back-link{margin:40px 0;text-align:center}.back-link a{display:inline-block;background:linear-gradient(145deg,var(--primary-color),var(--primary-dark));color:#fff;padding:12px 25px;border-radius:var(--border-radius-md);text-decoration:none;font-weight:600;transition:all var(--transition-normal);box-shadow:var(--shadow-md)}.back-link a:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}.back-link a:active{transform:translateY(1px);box-shadow:var(--shadow-sm)}.embed-container{max-width:100%;padding:10px;margin:0 auto;box-sizing:border-box}.embed-title{font-size:1.5rem;text-align:center;margin-bottom:1rem}@media (max-width: 480px){.embed-container .morse-grid{grid-template-columns:repeat(3,1fr)}.embed-container .chart-section{margin-bottom:1rem}.embed-container .chart-section h2{font-size:1.2rem;margin-bottom:.5rem}.embed-container .game-container{padding:10px}.embed-container .options{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.morse-grid{grid-template-columns:repeat(3,1fr);gap:10px}.morse-item .character{font-size:1.5rem}.morse-item .morse{font-size:.9rem}.morse-info-card,.morse-history,.chart-section{padding:20px}}@media (max-width: 480px){.morse-grid{grid-template-columns:repeat(2,1fr);gap:8px}.morse-item{padding:10px 5px}.morse-item .character{font-size:1.3rem}.morse-item .morse{font-size:.8rem}}.options{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:15px;margin:20px auto;width:100%;max-width:500px;aspect-ratio:2/1}.option-button{padding:20px;font-size:2rem;font-weight:600;border:none;border-radius:8px;background:#1e2832b3;color:#fff;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 6px #0000001a;border:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);width:100%;height:100%;display:flex;align-items:center;justify-content:center;flex-direction:column}.option-button:hover{transform:translateY(-3px);background:#28323ccc;box-shadow:0 6px 12px #00000026}.option-button:active{transform:translateY(1px);box-shadow:0 2px 4px #0000001a}.option-button.correct{background:#27ae60;color:#fff;animation:pulse 1s}.option-button.incorrect{background:#e74c3c;color:#fff;animation:shake .5s}.char-display{font-size:38px;font-weight:700;text-shadow:2px 2px 4px rgba(0,0,0,.2)}.morse-hint{display:block;font-size:18px;margin-top:10px;color:#ffffffb3;font-family:monospace;letter-spacing:2px}@keyframes shake{0%,to{transform:translate(0)}10%,30%,50%,70%,90%{transform:translate(-5px)}20%,40%,60%,80%{transform:translate(5px)}}@keyframes pulse{0%{box-shadow:0 0 #27ae60b3}70%{box-shadow:0 0 0 10px #27ae6000}to{box-shadow:0 0 #27ae6000}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.start-game-container{display:flex;justify-content:center;align-items:center;min-height:200px;padding:20px}.start-game-button{background-color:#4a6fa5;color:#fff;border:none;border-radius:8px;padding:15px 30px;font-size:18px;font-weight:700;cursor:pointer;transition:background-color .3s,transform .2s;box-shadow:0 4px 6px #0000001a}.start-game-button:hover{background-color:#3a5a8c;transform:translateY(-2px);box-shadow:0 6px 8px #00000026}.start-game-button:active{transform:translateY(1px);box-shadow:0 2px 4px #0000001a}