.lubin-chat-shell{--chat-canvas:oklch(98% 0.004 300);--chat-foreground:oklch(32% 0.06 300);--chat-primary:oklch(56% 0.08 300);--chat-primary-deep:oklch(40% 0.07 300);--chat-primary-glow:oklch(72% 0.08 300);--chat-accent:oklch(92% 0.02 305);--chat-border:oklch(91.5% 0.02 300);--chat-muted:oklch(52% 0.035 300);background:radial-gradient(circle at 50% 3%,oklch(93% .035 305/.72),transparent 36%),linear-gradient(180deg,oklch(98.5% .006 300),var(--chat-canvas))}.lubin-chat-sidebar,.lubin-chat-stage{font-family:var(--font-lubin-chat-sans),"Mona Sans",ui-sans-serif,system-ui,sans-serif;color:var(--chat-foreground)}.lubin-chat-display{font-family:var(--font-lubin-chat-display),Georgia,serif;color:var(--chat-primary-deep);font-weight:600;letter-spacing:-.035em}.lubin-chat-hero{background:radial-gradient(circle at 50% 22%,oklch(94% .032 304/.62),transparent 38%),transparent}.lubin-chat-suggestion{border:1px solid var(--chat-border);background:oklch(100% 0 0/.72);box-shadow:0 10px 30px -24px oklch(40% .07 300/.52);color:var(--chat-primary-deep);backdrop-filter:blur(14px)}.lubin-chat-suggestion:hover{border-color:oklch(72% .08 300/.65);background:oklch(100% 0 0/.94);box-shadow:0 14px 34px -22px oklch(40% .07 300/.62)}.lubin-chat-composer{border:1px solid var(--chat-border);background:oklch(100% 0 0/.86);box-shadow:0 28px 70px -38px oklch(40% .07 300/.52),inset 0 1px 0 oklch(100% 0 0/.9);backdrop-filter:blur(20px)}.lubin-chat-chip{border:1px solid var(--chat-border);background:oklch(100% 0 0/.64);color:var(--chat-primary-deep);box-shadow:0 8px 24px -22px oklch(40% .07 300/.55)}.lubin-chat-chip:hover{border-color:oklch(72% .08 300/.7);background:oklch(100% 0 0/.94)}.lubin-chat-action-trigger{color:oklch(52% .035 300/.78)}.lubin-chat-action-trigger:hover,.lubin-chat-action-trigger[aria-expanded=true]{background:var(--chat-accent);color:var(--chat-primary-deep)}.lubin-chat-action-menu{border:1px solid var(--chat-border);background:oklch(100% 0 0/.96);box-shadow:0 22px 52px -28px oklch(40% .07 300/.72);color:var(--chat-foreground);backdrop-filter:blur(20px)}.lubin-chat-action-item:focus-visible:not(:disabled),.lubin-chat-action-item:hover:not(:disabled){background:var(--chat-accent);color:var(--chat-primary-deep);outline:none}.lubin-chat-send{background:linear-gradient(135deg,var(--chat-primary-deep),var(--chat-primary-glow));box-shadow:0 12px 28px -12px oklch(40% .07 300/.72)}.lubin-chat-send:hover:not(:disabled){filter:saturate(1.08) brightness(.97)}.lubin-chat-user-bubble{background:linear-gradient(135deg,var(--chat-primary-deep),var(--chat-primary));border:1px solid oklch(72% .08 300/.36);box-shadow:0 16px 34px -24px oklch(40% .07 300/.72)}.lubin-chat-assistant-bubble{border:1px solid var(--chat-border);background:oklch(100% 0 0/.72);box-shadow:0 16px 36px -28px oklch(40% .07 300/.55);color:oklch(29% .035 300);backdrop-filter:blur(16px)}.lubin-chat-sidebar{border-color:var(--chat-border);background:oklch(99% .004 300/.88);box-shadow:18px 0 50px -44px oklch(40% .07 300/.55);backdrop-filter:blur(22px)}.lubin-chat-sidebar-action{background:linear-gradient(135deg,var(--chat-primary-deep),var(--chat-primary));box-shadow:0 14px 30px -20px oklch(40% .07 300/.72)}.lubin-chat-sidebar-active{background:var(--chat-accent);color:var(--chat-primary-deep)}.lubin-chat-floating-control{border:1px solid var(--chat-border);background:oklch(100% 0 0/.9);color:var(--chat-primary-deep);box-shadow:0 14px 34px -24px oklch(40% .07 300/.68);backdrop-filter:blur(16px)}@media (max-width:640px){.lubin-chat-shell{background:radial-gradient(circle at 50% 4%,oklch(93% .035 305/.68),transparent 32%),linear-gradient(180deg,oklch(98.5% .006 300),var(--chat-canvas))}.lubin-chat-assistant-bubble,.lubin-chat-user-bubble{box-shadow:0 10px 26px -22px oklch(40% .07 300/.66)}}