body{font-family:'Noto Sans Bengali',Arial,sans-serif;background-color:var(--bg-light);color:var(--text-dark);line-height:1.8;min-height:100vh;display:flex;flex-direction:column}.error-container{flex:1;display:flex;align-items:center;justify-content:center;padding:60px 20px}.error-content{text-align:center;max-width:700px}.error-number{font-size:10rem;font-weight:900;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;margin-bottom:20px;text-shadow:2px 2px 4px rgba(6,182,212,0.2)}.error-icon{font-size:8rem;color:var(--primary-color);margin-bottom:30px;animation:float 3s ease-in-out infinite}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-20px)}}.error-title{font-size:2.5rem;color:var(--primary-color);font-weight:700;margin-bottom:20px}.error-message{font-size:1.3rem;color:var(--text-dark);margin-bottom:40px;line-height:1.8}.btn-home{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:var(--text-light);padding:15px 50px;font-size:1.2rem;border-radius:8px;text-decoration:none;display:inline-block;font-weight:600;transition:all 0.3s;box-shadow:0 4px 15px rgba(6,182,212,0.3);border:none}.btn-home:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(6,182,212,0.4);color:var(--text-light)}.quick-links{margin-top:50px;padding:30px;background:var(--text-light);border-radius:12px;box-shadow:0 4px 15px rgba(6,182,212,0.15)}.quick-links h3{color:var(--primary-color);margin-bottom:25px;font-size:1.5rem}.link-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:15px}.quick-link-item{background:linear-gradient(135deg,color-mix(in srgb,var(--bg-light) 65%,#fff 35%),var(--bg-light));padding:15px 20px;border-radius:8px;text-decoration:none;color:var(--text-dark);font-weight:600;transition:all 0.3s;border:2px solid var(--secondary-color);display:flex;align-items:center;justify-content:center}.quick-link-item:hover{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:var(--text-light);transform:translateY(-3px);box-shadow:0 4px 12px rgba(6,182,212,0.3)}.quick-link-item i{margin-right:8px}.search-box{margin-top:40px}.search-input{border:2px solid var(--secondary-color);border-radius:8px;padding:15px 20px;font-size:1.1rem;width:100%;max-width:500px}.search-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 0.2rem rgba(6,182,212,0.25)}