:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh;background:linear-gradient(135deg,#1e3c72,#2a5298);font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif}#app{max-width:800px;width:100%;margin:0 auto;padding:2rem}.morse-decoder{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;padding:2rem;box-shadow:0 8px 32px #0000001a;border:1px solid rgba(255,255,255,.2)}h1{font-size:2.5em;line-height:1.1;text-align:center;margin-bottom:1rem;background:linear-gradient(45deg,#fff,#ccc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}h3{margin-top:2rem;margin-bottom:.5rem;color:#fff}p{text-align:center;margin-bottom:2rem;opacity:.9}.controls{display:flex;gap:1rem;justify-content:center;margin-bottom:2rem;flex-wrap:wrap}.btn{background:linear-gradient(45deg,#667eea,#764ba2);border:none;color:#fff;padding:12px 24px;font-size:16px;border-radius:25px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #0003;font-weight:600;min-width:140px}.btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #0000004d}.btn:active{transform:translateY(0)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn.secondary{background:linear-gradient(45deg,#f093fb,#f5576c)}.status{display:flex;justify-content:space-between;margin-bottom:2rem;padding:1rem;background:#ffffff1a;border-radius:10px;flex-wrap:wrap;gap:1rem}#status,#speed{font-weight:500;color:#fff}.output,.morse-output{margin-bottom:1.5rem}.decoded-text,.morse-code{background:#0000004d;border:1px solid rgba(255,255,255,.2);border-radius:10px;padding:1rem;min-height:100px;max-height:200px;overflow-y:auto;font-family:Courier New,monospace;font-size:16px;line-height:1.4;color:#fff;white-space:pre-wrap;word-wrap:break-word}.decoded-text{font-size:18px;font-weight:500}.morse-code{font-size:14px;letter-spacing:2px;color:gold}@media (max-width: 600px){#app{padding:1rem}.morse-decoder{padding:1.5rem}h1{font-size:2em}.controls{flex-direction:column;align-items:center}.btn{width:100%;max-width:200px}.status{flex-direction:column;text-align:center}}.decoded-text::-webkit-scrollbar,.morse-code::-webkit-scrollbar{width:6px}.decoded-text::-webkit-scrollbar-track,.morse-code::-webkit-scrollbar-track{background:#ffffff1a;border-radius:3px}.decoded-text::-webkit-scrollbar-thumb,.morse-code::-webkit-scrollbar-thumb{background:#ffffff4d;border-radius:3px}.decoded-text::-webkit-scrollbar-thumb:hover,.morse-code::-webkit-scrollbar-thumb:hover{background:#ffffff80}.tab-container{display:flex;gap:1rem;margin-bottom:2rem;border-bottom:1px solid rgba(255,255,255,.2)}.tab-btn{background:#ffffff1a;border:none;padding:.75rem 1.5rem;border-radius:10px 10px 0 0;color:#ffffffb3;cursor:pointer;transition:all .3s ease;font-size:1rem;font-weight:500}.tab-btn:hover{background:#fff3;color:#ffffffe6}.tab-btn.active{background:#ffffff4d;color:#fff;border-bottom:2px solid #4CAF50}.mode-panel{display:none}.mode-panel.active{display:block}.input-section{margin-bottom:1.5rem}.input-section label{display:block;margin-bottom:.5rem;font-weight:500;color:#ffffffe6}.text-input{width:100%;padding:1rem;border:1px solid rgba(255,255,255,.3);border-radius:10px;background:#ffffff1a;color:#fff;font-size:1rem;resize:vertical;min-height:80px}.text-input::placeholder{color:#fff9}.text-input:focus{outline:none;border-color:#4caf50;background:#ffffff26}.settings{display:flex;gap:2rem;margin-bottom:1.5rem;flex-wrap:wrap}.setting-group{flex:1;min-width:200px}.setting-group label{display:block;margin-bottom:.5rem;font-weight:500;color:#ffffffe6}.slider{width:100%;height:8px;border-radius:5px;background:#fff3;outline:none;cursor:pointer}.slider::-webkit-slider-thumb{appearance:none;width:20px;height:20px;border-radius:50%;background:#4caf50;cursor:pointer}.slider::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:#4caf50;cursor:pointer;border:none}.btn.primary{background:linear-gradient(135deg,#4caf50,#45a049)}.btn.primary:hover{background:linear-gradient(135deg,#45a049,#4caf50)}.morse-app{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;padding:2rem;box-shadow:0 8px 32px #0000001a;border:1px solid rgba(255,255,255,.2)}.app-footer{margin-top:2rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.2);text-align:center}.app-footer p{margin:0;color:#ffffffb3;font-size:.9rem}.app-footer a{color:#4caf50;text-decoration:none;font-weight:500;transition:color .3s ease}.app-footer a:hover{color:#66bb6a;text-decoration:underline}