.not-found-page{background:linear-gradient(135deg,#f8f9fa 0%,#e9ecef 100%);justify-content:center;align-items:center;min-height:100vh;padding:2rem 1rem;display:flex;position:relative;overflow:hidden}.not-found-page:before{content:"";background:radial-gradient(circle,#bb7efb0d 0%,#0000 70%);width:200%;height:200%;animation:20s ease-in-out infinite pulse;position:absolute;top:-50%;right:-50%}@keyframes pulse{0%,to{opacity:.5;transform:scale(1)}50%{opacity:.8;transform:scale(1.1)}}.not-found-container{z-index:1;text-align:center;width:100%;max-width:700px;position:relative}.not-found-content{background:#fff;border-radius:24px;padding:4rem 3rem;position:relative;overflow:hidden;box-shadow:0 20px 60px #0000001a}@media (max-width:768px){.not-found-content{padding:3rem 2rem}}.error-number{justify-content:center;align-items:center;gap:1rem;margin-bottom:2rem;display:flex;position:relative}.error-number .number-4{background:linear-gradient(135deg,var(--main-accent)0%,#9d5dd9 100%);-webkit-text-fill-color:#0000;-webkit-background-clip:text;background-clip:text;font-size:8rem;font-weight:900;line-height:1;animation:3s ease-in-out infinite floatNumber}@keyframes floatNumber{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@media (max-width:768px){.error-number .number-4{font-size:5rem}}.error-number .floating-icon{background:linear-gradient(135deg,var(--main-accent)0%,#9d5dd9 100%);border-radius:50%;justify-content:center;align-items:center;width:120px;height:120px;animation:4s ease-in-out infinite rotateIcon;display:flex;position:relative;box-shadow:0 10px 40px #bb7efb66}@keyframes rotateIcon{0%,to{transform:rotate(0)scale(1)}25%{transform:rotate(-10deg)scale(1.05)}50%{transform:rotate(0)scale(1.1)}75%{transform:rotate(10deg)scale(1.05)}}.error-number .floating-icon i{color:#fff;font-size:4rem;animation:2s ease-in-out infinite pulseIcon}@keyframes pulseIcon{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}@media (max-width:768px){.error-number .floating-icon{width:80px;height:80px}.error-number .floating-icon i{font-size:2.5rem}}.error-title{color:#212529;background:linear-gradient(135deg,var(--main-accent)0%,#9d5dd9 100%);-webkit-text-fill-color:#0000;-webkit-background-clip:text;background-clip:text;margin-bottom:1rem;font-size:2.5rem;font-weight:700}@media (max-width:768px){.error-title{font-size:2rem}}.error-description{color:#6c757d;margin-bottom:2.5rem;font-size:1.1rem;line-height:1.6}@media (max-width:768px){.error-description{font-size:1rem}}.error-actions{flex-wrap:wrap;justify-content:center;gap:1rem;margin-bottom:3rem;display:flex}@media (max-width:576px){.error-actions{flex-direction:column;width:100%}.error-actions .btn-home,.error-actions .btn-back{width:100%}}.btn-home{background:linear-gradient(135deg,var(--main-accent)0%,#9d5dd9 100%);color:#fff;border:none;border-radius:12px;justify-content:center;align-items:center;padding:.875rem 2rem;font-size:1rem;font-weight:600;text-decoration:none;transition:all .3s;display:inline-flex;box-shadow:0 4px 15px #bb7efb66}.btn-home:hover{color:#fff;transform:translateY(-2px);box-shadow:0 6px 20px #bb7efb80}.btn-home:active{transform:translateY(0)}.btn-home i{transition:transform .3s}.btn-home:hover i{transform:translate(-3px)}.btn-back{color:#495057;cursor:pointer;background:#f8f9fa;border:2px solid #e9ecef;border-radius:12px;justify-content:center;align-items:center;padding:.875rem 2rem;font-size:1rem;font-weight:600;transition:all .3s;display:inline-flex}.btn-back:hover{border-color:var(--main-accent);color:var(--main-accent);background:#e9ecef;transform:translate(-3px)}.btn-back:active{transform:translate(0)}.btn-back i{transition:transform .3s}.btn-back:hover i{transform:translate(-3px)}.error-suggestions{border-top:1px solid #e9ecef;padding-top:2.5rem}.suggestions-title{color:#6c757d;text-transform:uppercase;letter-spacing:.5px;margin-bottom:1rem;font-size:.9rem;font-weight:600}.suggestions-list{flex-wrap:wrap;justify-content:center;gap:1rem;display:flex}.suggestion-link{color:#495057;background:#f8f9fa;border:2px solid #0000;border-radius:20px;align-items:center;gap:.5rem;padding:.625rem 1.25rem;font-size:.9rem;font-weight:500;text-decoration:none;transition:all .3s;display:flex}.suggestion-link i{color:var(--main-accent);font-size:1rem}.suggestion-link:hover{border-color:var(--main-accent);color:var(--main-accent);background:#bb7efb1a;transform:translateY(-2px);box-shadow:0 4px 12px #bb7efb33}.floating-elements{pointer-events:none;z-index:0;position:absolute;inset:0}.floating-circle{background:#bb7efb1a;border-radius:50%;animation:15s ease-in-out infinite floatCircle;position:absolute}.floating-circle.circle-1{width:200px;height:200px;animation-delay:0s;top:-100px;left:-100px}.floating-circle.circle-2{width:150px;height:150px;animation-delay:5s;bottom:-75px;right:-75px}.floating-circle.circle-3{width:100px;height:100px;animation-delay:10s;top:50%;right:-50px}@keyframes floatCircle{0%,to{opacity:.3;transform:translate(0)scale(1)}33%{opacity:.5;transform:translate(30px,-30px)scale(1.1)}66%{opacity:.4;transform:translate(-20px,20px)scale(.9)}}[data-theme=dark] .not-found-page{background:linear-gradient(135deg,var(--bg-primary)0%,var(--bg-secondary)100%)}[data-theme=dark] .not-found-page:before{background:radial-gradient(circle,#bb7efb1a 0%,#0000 70%)}[data-theme=dark] .not-found-content{background:var(--bg-secondary);box-shadow:0 20px 60px #00000080}[data-theme=dark] .error-title{background:linear-gradient(135deg,var(--main-accent)0%,#9d5dd9 100%);-webkit-text-fill-color:#0000;-webkit-background-clip:text;background-clip:text}[data-theme=dark] .error-description{color:var(--text-secondary)}[data-theme=dark] .btn-back{background:var(--bg-tertiary);color:var(--text-primary);border-color:var(--border-color)}[data-theme=dark] .btn-back:hover{background:var(--bg-secondary);border-color:var(--main-accent);color:var(--main-accent)}[data-theme=dark] .error-suggestions{border-top-color:var(--border-color)}[data-theme=dark] .suggestions-title{color:var(--text-secondary)}[data-theme=dark] .suggestion-link{background:var(--bg-tertiary);color:var(--text-primary);border-color:var(--border-color)}[data-theme=dark] .suggestion-link:hover{border-color:var(--main-accent);color:var(--main-accent);background:#bb7efb33}html[dir=rtl] .btn-home:hover i,html[dir=rtl] .btn-back:hover,html[dir=rtl] .btn-back:hover i{transform:translate(3px)}@media (max-width:576px){.not-found-page{padding:1rem}.not-found-content{border-radius:16px;padding:2.5rem 1.5rem}.error-number{gap:.5rem}.error-number .number-4{font-size:4rem}.error-number .floating-icon{width:60px;height:60px}.error-number .floating-icon i{font-size:2rem}.error-title{font-size:1.75rem}.error-description{font-size:.95rem}.suggestions-list{flex-direction:column;align-items:stretch}.suggestions-list .suggestion-link{justify-content:center}}