:root{--chat-bg:#faf8f5;--chat-bg-alt:#f4efe8;--chat-surface:#ffffff;--chat-surface-hover:#fff8f2;--chat-surface-muted:#f6f3ed;--chat-text-primary:#14161a;--chat-text-secondary:#4b525f;--chat-text-muted:#7b8290;--chat-border:rgba(20,22,26,0.08);--chat-border-subtle:rgba(20,22,26,0.05);--chat-border-strong:rgba(20,22,26,0.16);--chat-accent:#f26b1d;--chat-accent-hover:#d95a12;--chat-accent-subtle:rgba(242,107,29,0.08);--chat-accent-glow:rgba(242,107,29,0.22);--chat-teal:#2a9d8f;--chat-teal-subtle:rgba(42,157,143,0.1);--chat-success:#16a34a;--chat-success-subtle:rgba(22,163,74,0.1);--chat-warning:#d97706;--chat-danger:#dc2626;--chat-radius-sm:10px;--chat-radius-md:16px;--chat-radius-lg:24px;--chat-radius-full:9999px;--chat-shadow-popover:0 20px 50px -12px rgba(20,22,26,0.16),0 0 0 1px rgba(20,22,26,0.05);--chat-shadow-card:0 4px 16px -2px rgba(20,22,26,0.06);--chat-shadow-button:0 8px 24px -4px rgba(242,107,29,0.4)}.chat-scroll-area{scrollbar-width:thin;scrollbar-color:rgba(20,22,26,.15) transparent}.chat-scroll-area::-webkit-scrollbar{width:5px}.chat-scroll-area::-webkit-scrollbar-thumb{background:rgba(20,22,26,.18);border-radius:4px}.chat-scroll-area::-webkit-scrollbar-thumb:hover{background:rgba(20,22,26,.28)}