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ease}.sidebar-nav-button:hover{background:#ff4e001a;transform:translate(4px)}.sidebar-nav-button.active{background:linear-gradient(135deg,#ff4e0026,#3b027026);color:var(--nestro-purple);font-weight:600}.sidebar-nav-button svg{flex-shrink:0}.sidebar-section-title{font-size:.9rem;font-weight:600;letter-spacing:.08em;color:#1b00368c;text-transform:uppercase;margin-bottom:.35rem}.chat-history-list{display:flex;flex-direction:column;gap:.5rem}.chat-history-item{display:flex;align-items:center;gap:.5rem;background:#3b027014;border:none;border-radius:12px;padding:.4rem .5rem;transition:all .2s 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0}.section-list li{padding:.5rem 0 .5rem 1.5rem;position:relative;color:#ffffffd9;line-height:1.6}.section-list li:before{content:"→";position:absolute;left:0;color:var(--nestro-orange);font-weight:700}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-top:1.5rem}.feature-card{padding:1.5rem;background:linear-gradient(135deg,#3b02704d,#16012e80);border:1px solid rgba(255,255,255,.1);border-radius:16px}.feature-card h3{font-size:1.1rem;color:var(--nestro-orange);margin-bottom:.5rem}.feature-card p{font-size:.9rem;color:#fffc;line-height:1.5}.help-topics{display:flex;flex-direction:column;gap:1.5rem;margin-top:1.5rem}.help-topic{padding:1.25rem;background:#ffffff0d;border-left:3px solid var(--nestro-orange);border-radius:8px}.help-topic h3{font-size:1.1rem;color:var(--nestro-text);margin-bottom:.5rem}.help-topic p{color:#fffc;line-height:1.6}.faq-item{margin-bottom:1.5rem;padding:1.25rem;background:#ffffff0d;border-radius:12px}.faq-item 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