:root{--color-bg:#0a0a0f;--color-surface:#13131a;--color-surface-raised:#1a1a24;--color-border:#2a2a38;--color-text-primary:#e8e8f0;--color-text-secondary:#8888a8;--color-text-muted:#55556a;--color-accent-start:#4f8ef7;--color-accent-end:#2dd4bf;--color-user-bubble-start:#4f8ef7;--color-user-bubble-end:#2dd4bf;--color-rise-bubble:#13131a;--color-error:#f87171;--color-success:#34d399;--color-online:#34d399;--color-disabled:#2a2a38;--font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;--font-size-xs:12px;--font-size-sm:14px;--font-size-md:16px;--font-size-lg:18px;--font-size-xl:22px;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--spacing-2xl:48px;--tap-target-min:44px;--radius-sm:8px;--radius-md:16px;--radius-lg:24px;--radius-bubble:20px;--transition-fast:150ms ease-out;--transition-standard:250ms ease-out;--transition-slow:350ms ease-out;--z-base:0;--z-sidebar:100;--z-overlay:200;--z-modal:300;--z-banner:400;--z-toast:500}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{height:100%;height:-webkit-fill-available}body{background:var(--color-bg);color:var(--color-text-primary);font-family:var(--font-family);-webkit-font-smoothing:antialiased;min-height:100vh;min-height:-webkit-fill-available}@keyframes typing-dots{0%,60%,to{transform:scale(.6);opacity:.4}30%{transform:scale(1);opacity:1}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes slide-in-left{0%{transform:translateX(-100%)}to{transform:translateX(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}