:root{--alumina-primary:#6366f1;--alumina-primary-dark:#4f46e5;--alumina-primary-light:#818cf8;--alumina-accent:#8b5cf6;--alumina-accent-light:#a78bfa;--alumina-gradient-start:#6366f1;--alumina-gradient-mid:#8b5cf6;--alumina-gradient-end:#06b6d4;--alumina-cyan:#06b6d4;--alumina-cyan-light:#22d3ee;--alumina-surface-chat:#fff;--alumina-surface-sidebar:#f7f7f8;--alumina-surface-input:#fff;--alumina-surface-user-msg:#f4f4f5;--alumina-surface-ai-msg:transparent;--alumina-text-primary:#21242c;--alumina-text-secondary:#676f7e;--alumina-glow:0 0 20px rgba(99,102,241,.15);--alumina-glow-strong:0 0 32px rgba(99,102,241,.25);--alumina-shadow-xs:0 1px 2px rgba(0,0,0,.04);--alumina-shadow-sm:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);--alumina-shadow-md:0 4px 6px -1px rgba(0,0,0,.07),0 2px 4px -2px rgba(0,0,0,.05);--alumina-shadow-lg:0 10px 25px -5px rgba(0,0,0,.08),0 8px 10px -6px rgba(0,0,0,.04);--alumina-shadow-input:0 0 0 1px rgba(99,102,241,.15),0 2px 8px rgba(99,102,241,.08);--alumina-ease:cubic-bezier(0.4,0,0.2,1);--alumina-spring:cubic-bezier(0.34,1.56,0.64,1)}.dark{--alumina-surface-chat:#181a20;--alumina-surface-sidebar:#14151a;--alumina-surface-input:#1f2129;--alumina-surface-user-msg:#272b34;--alumina-surface-ai-msg:transparent;--alumina-text-primary:#e8eaee;--alumina-text-secondary:#818898;--alumina-shadow-input:0 0 0 1px rgba(99,102,241,.2),0 2px 12px rgba(0,0,0,.3)}@keyframes aluminaSlideIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes aluminaFadeIn{0%{opacity:0}to{opacity:1}}@keyframes aluminaPulseRing{0%{transform:scale(1);opacity:.6}70%{transform:scale(1.8);opacity:0}to{transform:scale(1.8);opacity:0}}@keyframes aluminaTypingBounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-4px)}}@keyframes aluminaShimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes aluminaOrbFloat{0%,to{transform:translate(0) scale(1)}33%{transform:translate(10px,-10px) scale(1.02)}66%{transform:translate(-8px,5px) scale(.98)}}@keyframes aluminaGradientShift{0%{background-position:0 50%}50%{background-position:100% 50%}to{background-position:0 50%}}.alumina-slide-in{animation:aluminaSlideIn .25s var(--alumina-ease)}.alumina-gradient{background:linear-gradient(135deg,var(--alumina-gradient-start),var(--alumina-gradient-mid),var(--alumina-gradient-end))}.alumina-text-gradient{background:linear-gradient(135deg,var(--alumina-gradient-start),var(--alumina-accent),var(--alumina-cyan));background-size:200% 200%;animation:aluminaGradientShift 4s ease infinite;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.alumina-avatar{background:linear-gradient(135deg,var(--alumina-primary),var(--alumina-accent));box-shadow:var(--alumina-shadow-sm);transition:all .2s var(--alumina-ease)}.alumina-avatar:hover{box-shadow:var(--alumina-glow);transform:scale(1.05)}.alumina-message-user{background:var(--alumina-surface-user-msg);color:var(--alumina-text-primary);border-radius:1.25rem 1.25rem .25rem 1.25rem;transition:all .15s var(--alumina-ease)}.alumina-message-user:hover{box-shadow:var(--alumina-shadow-sm)}.alumina-message-assistant{background:var(--alumina-surface-ai-msg);color:var(--alumina-text-primary);transition:all .15s var(--alumina-ease)}.alumina-message-tool{background:#f4f4f5;border-left:3px solid var(--alumina-primary);color:var(--alumina-text-primary)}.dark .alumina-message-tool{background:#23262f}.alumina-button-primary{background:linear-gradient(135deg,var(--alumina-primary),var(--alumina-accent));color:#fff;transition:all .2s var(--alumina-ease);border:none;position:relative;overflow:hidden}.alumina-button-primary:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,hsla(0,0%,100%,.15),transparent);opacity:0;transition:opacity .2s}.alumina-button-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(99,102,241,.35)}.alumina-button-primary:hover:after{opacity:1}.alumina-button-primary:active{transform:translateY(0)}.alumina-suggestion-card{background:var(--alumina-surface-input);border:1px solid hsl(var(--border));border-radius:1rem;transition:all .25s var(--alumina-ease);cursor:pointer}.alumina-suggestion-card:hover{border-color:var(--alumina-primary-light);box-shadow:var(--alumina-shadow-md),0 0 0 1px rgba(99,102,241,.1);transform:translateY(-2px)}.alumina-suggestion-card:active{transform:translateY(0)}.alumina-orb{background:radial-gradient(circle at 30% 30%,var(--alumina-cyan-light),var(--alumina-primary),var(--alumina-accent));animation:aluminaOrbFloat 6s ease-in-out infinite;filter:blur(0)}.alumina-orb-glow{background:radial-gradient(circle,rgba(99,102,241,.15),transparent 70%);animation:aluminaOrbFloat 8s ease-in-out infinite reverse}.alumina-input-container{background:var(--alumina-surface-input);border:1.5px solid hsl(var(--border));border-radius:1.5rem;transition:all .2s var(--alumina-ease);box-shadow:var(--alumina-shadow-sm)}.alumina-input-container:focus-within{border-color:var(--alumina-primary);box-shadow:var(--alumina-shadow-input)}.alumina-scrollbar::-webkit-scrollbar{width:6px}.alumina-scrollbar::-webkit-scrollbar-track{background:transparent}.alumina-scrollbar::-webkit-scrollbar-thumb{background:hsl(var(--border));border-radius:3px}.alumina-scrollbar::-webkit-scrollbar-thumb:hover{background:var(--alumina-primary-light)}.alumina-typing-dot{animation:aluminaTypingBounce 1.4s ease-in-out infinite}.alumina-typing-dot:nth-child(2){animation-delay:.15s}.alumina-typing-dot:nth-child(3){animation-delay:.3s}.alumina-shimmer{background:linear-gradient(90deg,transparent,rgba(99,102,241,.08),transparent);background-size:200% 100%;animation:aluminaShimmer 1.5s infinite}.alumina-stagger-0{animation-delay:0s}.alumina-stagger-1{animation-delay:.06s}.alumina-stagger-2{animation-delay:.12s}.alumina-stagger-3{animation-delay:.18s}.alumina-stagger-4{animation-delay:.24s}.alumina-stagger-5{animation-delay:.3s}.alumina-voice-recording-banner{border-color:hsl(var(--destructive)/.3);background:hsl(var(--destructive)/.06);border-radius:.75rem}.alumina-voice-recording-dot{background:hsl(var(--destructive));animation:aluminaTypingBounce 1.2s ease-in-out infinite}.alumina-voice-recording-button{box-shadow:0 0 0 3px hsl(var(--destructive)/.2)}.alumina-voice-processing-button{box-shadow:0 0 0 3px rgba(99,102,241,.15)}.alumina-sidebar-item{border-radius:.625rem;transition:all .15s var(--alumina-ease)}.alumina-sidebar-item:hover{background:hsl(var(--accent))}.alumina-sidebar-item.active{background:rgba(99,102,241,.1);color:var(--alumina-primary)}.alumina-pulse-ring{position:relative}.alumina-pulse-ring:after{content:"";position:absolute;inset:-2px;border-radius:50%;border:2px solid var(--alumina-primary);animation:aluminaPulseRing 2s ease-out infinite}@media (max-width:768px){.alumina-suggestion-card:hover{transform:translateY(-1px)}.alumina-input-container{border-radius:1rem}}