body{background-color:#1f2937;color:#fff;font-family:Karla,sans-serif;margin:0;display:flex;justify-content:center;align-items:center;min-height:100vh;padding:20px}.container{background-color:#273549;padding:20px;border-radius:10px;max-width:500px;width:100%;text-align:center}h1{color:#4adf86;margin-bottom:20px;font-size:24px}.password-content{display:flex;align-items:center;gap:10px;margin-bottom:20px;flex-direction:column}#copy-btn{background-color:#4adf86;color:#fff;border:none;padding:10px 20px;border-radius:5px;font-size:16px;cursor:pointer;width:100%}.password-display{background-color:#1f2937;color:#4adf86;padding:10px;border-radius:5px;font-size:18px;min-height:30px;width:100%;text-align:center}.settings{text-align:left}.length-setting{margin-bottom:20px}.length-setting input[type=range]{width:100%}input[type=checkbox]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:20px;height:20px;border:2px solid #4ADF86;border-radius:3px;outline:none;cursor:pointer;position:relative;margin-bottom:0}input[type=checkbox]:checked{background-color:#4adf86}input[type=checkbox]:checked:after{content:"";position:absolute;top:2px;left:6px;width:6px;height:12px;border:solid white;border-width:0 2px 2px 0;transform:rotate(45deg)}.checkbox-settings label{display:block;margin:10px 0}input[type=range]{-webkit-appearance:none;width:100%;height:8px;border-radius:5px;background:#ddd!important;outline:none;transition:opacity .2s;cursor:pointer}input[type=range]::-webkit-slider-runnable-track{height:8px;border-radius:5px;background:#4adf86}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;background:green;border:2px solid white;border-radius:50%;cursor:pointer;position:relative;margin-top:-6px}input[type=range]::-moz-range-progress{background:green;height:8px;border-radius:5px}input[type=range]::-moz-range-track{background:#ddd;height:8px;border-radius:5px}.strength-indicator{display:flex;justify-content:space-between;align-items:center;margin:20px 0}.strength-bar{display:flex;align-items:center}.bar{width:50px;height:10px;background-color:#10b981;margin-right:10px}#generate-btn{background-color:#10b981;color:#fff;border:none;padding:10px 20px;border-radius:5px;width:100%;font-size:16px;cursor:pointer}#copied-message{position:fixed;top:10px;right:10px;background-color:#10b981;color:#fff;padding:10px;border-radius:5px;font-size:16px}.footer{margin-top:20px;font-size:14px;color:#6b7280}@media (min-width: 768px){h1{font-size:36px}.password-content{flex-direction:row;gap:20px}#copy-btn{width:auto}.password-display{font-size:24px;min-width:280px}}