.error-page{align-items:center;background:linear-gradient(135deg,rgba(0,201,255,.05),rgba(146,254,157,.05));display:flex;flex-direction:column;justify-content:center;min-height:100vh;overflow:hidden;padding:40px 20px;position:relative}.error-page:before{animation:errorRotate 30s linear infinite;background:radial-gradient(circle,rgba(0,201,255,.1) 0,transparent 50%);left:-50%;top:-50%}.error-page:after,.error-page:before{content:"";height:200%;position:absolute;width:200%}.error-page:after{animation:errorRotate 40s linear infinite reverse;background:radial-gradient(circle,rgba(146,254,157,.1) 0,transparent 50%);bottom:-50%;right:-50%}@keyframes errorRotate{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.error-content{animation:errorFadeIn .6s ease-out;backdrop-filter:blur(20px);background:hsla(0,0%,100%,.8);border:2px solid rgba(0,201,255,.2);border-radius:30px;box-shadow:0 20px 60px rgba(0,201,255,.15);margin:0 auto;max-width:600px;padding:60px 40px;position:relative;text-align:center;z-index:1}@keyframes errorFadeIn{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.error-icon{align-items:center;animation:errorFloat 3s ease-in-out infinite;display:flex;height:200px;justify-content:center;margin:0 auto 30px;position:relative;width:200px}.error-icon svg{display:block;filter:drop-shadow(0 10px 30px rgba(0,201,255,.2));height:100%;width:100%}.error-icon:before{animation:errorGlow 2s ease-in-out infinite;background:radial-gradient(circle,rgba(0,201,255,.3) 0,rgba(146,254,157,.3) 50%,transparent 70%);border-radius:50%;content:"";filter:blur(20px);height:120%;left:50%;position:absolute;top:50%;transform:translate(-50%,-50%);width:120%;z-index:-1}.error-icon.error-404:after{content:"🔍"}.error-icon.error-403:after{content:"🚫"}.error-icon.error-500:after{content:"⚠️"}.error-icon.error-default:after{content:"❌"}@keyframes errorFloat{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-20px) scale(1.05)}}@keyframes errorGlow{0%,to{opacity:.5}50%{opacity:1}}.error-code{background:linear-gradient(135deg,#00c9ff,#92fe9d);-webkit-background-clip:text;font-size:100px;font-weight:900;line-height:1;margin-bottom:20px;-webkit-text-fill-color:transparent;animation:errorCodePulse 2s ease-in-out infinite;background-clip:text;letter-spacing:-5px;position:relative;text-shadow:0 10px 30px rgba(0,201,255,.2)}.error-code:before{background:linear-gradient(135deg,rgba(0,201,255,.2),rgba(146,254,157,.2));-webkit-background-clip:text;content:attr(data-code);height:100%;left:0;position:absolute;top:0;width:100%;-webkit-text-fill-color:transparent;background-clip:text;filter:blur(20px);z-index:-1}@keyframes errorCodePulse{0%,to{transform:scale(1)}50%{transform:scale(1.02)}}.error-title{animation:errorSlideIn .6s ease-out .2s both;color:#333;font-size:32px;font-weight:700;margin-bottom:15px}@keyframes errorSlideIn{0%{opacity:0;transform:translateX(-20px)}to{opacity:1;transform:translateX(0)}}.error-message{animation:errorSlideIn .6s ease-out .3s both;color:#666;font-size:18px;line-height:1.6;margin-bottom:40px}.error-message p{margin-bottom:10px}.error-message p:last-child{margin-bottom:0}.error-details{animation:errorSlideIn .6s ease-out .4s both;background:rgba(0,201,255,.05);border:2px solid rgba(0,201,255,.1);border-radius:15px;margin-top:30px;padding:20px;text-align:left}.error-details .details-header{align-items:center;cursor:pointer;display:flex;justify-content:space-between;-webkit-user-select:none;-moz-user-select:none;user-select:none}.error-details .details-header h3{color:#333;font-size:16px;font-weight:600}.error-details .details-header .toggle-icon{color:#00c9ff;transition:transform .3s ease}.error-details .details-header.expanded .toggle-icon{transform:rotate(180deg)}.error-details .details-content{max-height:0;overflow:hidden;transition:max-height .3s ease}.error-details .details-content.show{margin-top:15px;max-height:500px}.error-details .details-content pre{background:rgba(0,0,0,.05);border-radius:10px;color:#666;font-family:Courier New,monospace;font-size:13px;overflow-x:auto;padding:15px}.error-actions{animation:errorSlideIn .6s ease-out .5s both;display:flex;flex-wrap:wrap;gap:15px;justify-content:center}.error-actions .btn{align-items:center;border-radius:25px;display:inline-flex;font-size:16px;font-weight:600;gap:8px;overflow:hidden;padding:14px 32px;position:relative;text-decoration:none;transition:all .3s ease}.error-actions .btn:before{border-radius:50%;content:"";height:0;left:50%;position:absolute;top:50%;transform:translate(-50%,-50%);transition:all .5s ease;width:0}.error-actions .btn span{position:relative;z-index:1}.error-actions .btn:hover:before{height:300px;width:300px}.error-actions .btn-primary{background:linear-gradient(135deg,#00c9ff,#92fe9d);border:none;box-shadow:0 8px 20px rgba(0,201,255,.3);color:#fff}.error-actions .btn-primary:before{background:linear-gradient(135deg,#00b8e6,#80ed84)}.error-actions .btn-primary:hover{box-shadow:0 12px 30px rgba(0,201,255,.4);transform:translateY(-2px)}.error-actions .btn-primary:active{transform:translateY(0)}.error-actions .btn-secondary{background:transparent;border:2px solid #00c9ff;color:#00c9ff}.error-actions .btn-secondary:before{background:linear-gradient(135deg,#00c9ff,#92fe9d)}.error-actions .btn-secondary:hover{border-color:transparent;box-shadow:0 8px 20px rgba(0,201,255,.3);color:#fff;transform:translateY(-2px)}.error-actions .btn-secondary:active{transform:translateY(0)}.error-actions .btn-text{background:transparent;border:none;color:#666;padding:14px 24px}.error-actions .btn-text:hover{background:rgba(0,201,255,.05);color:#00c9ff}.error-actions .btn-text:before{display:none}.error-help{animation:errorSlideIn .6s ease-out .6s both;background:linear-gradient(135deg,rgba(146,254,157,.1),rgba(0,201,255,.1));border-left:4px solid #00c9ff;border-radius:15px;margin-top:40px;padding:20px;text-align:left}.error-help h4{align-items:center;color:#333;display:flex;font-size:16px;font-weight:600;gap:8px;margin-bottom:10px}.error-help h4:before{content:"💡";font-size:18px}.error-help ul{list-style:none;margin:0;padding:0}.error-help ul li{color:#666;font-size:14px;padding:8px 0 8px 20px;position:relative}.error-help ul li:before{color:#00c9ff;content:"•";font-weight:700;left:0;position:absolute}@media(max-width:1024px){.error-content{padding:50px 30px}.error-code{font-size:80px}.error-icon{height:160px;width:160px}.error-title{font-size:28px}.error-message{font-size:16px}}@media(max-width:768px){.error-page{padding:20px 15px}.error-content{border-radius:20px;padding:40px 25px}.error-code{font-size:60px;letter-spacing:-3px}.error-icon{height:140px;margin-bottom:20px;width:140px}.error-title{font-size:24px}.error-message{font-size:15px;margin-bottom:30px}.error-actions{flex-direction:column;width:100%}.error-actions .btn{justify-content:center;width:100%}.error-details{padding:15px}.error-details .details-content pre{font-size:12px;padding:12px}.error-help{padding:15px}.error-help h4{font-size:14px}.error-help ul li{font-size:13px}}@media(max-width:480px){.error-content{padding:30px 20px}.error-code{font-size:50px}.error-icon{height:120px;width:120px}.error-title{font-size:20px}.error-message{font-size:14px}.error-actions .btn{font-size:14px;padding:12px 24px}}