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ease}.assistant-toggle:hover{transform:scale(1.05)}.assistant-panel{margin-bottom:.8rem;padding:1.25rem}.assistant-messages{display:grid;gap:.8rem;max-height:20rem;overflow-y:auto;margin:1rem 0}.assistant-bubble{padding:.85rem 1rem;border-radius:1rem;font-size:.95rem;line-height:1.5}.assistant-bubble.user{background:linear-gradient(135deg,var(--primary),var(--primary-strong));color:#fff}.assistant-bubble.assistant{background:var(--surface-strong);border:1px solid var(--border)}.empty-state{text-align:center;padding:3.5rem 1rem;color:var(--muted)}@media (max-width:960px){.desktop-nav,.header-actions .icon-button:nth-of-type(2),.header-actions .primary-button,.header-actions .user-chip{display:none}.menu-toggle{display:inline-flex}.feature-grid,.footer-grid,.hero-grid,.three-column,.two-column{grid-template-columns:1fr}.stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:640px){.container{width:min(100vw - 1.5rem,100%)}.announcement-inner{align-items:flex-start}.hero-title{font-size:2.5rem}.stat-strip{grid-template-columns:1fr}}