.app-container{display:flex;height:100vh;width:100%;background:var(--aether-obsidian)}.sidebar{width:260px;background:var(--aether-surface);display:flex;flex-direction:column;border-right:1px solid var(--aether-border)}.sidebar-top{padding:12px;border-bottom:1px solid var(--aether-border)}.new-chat-btn{display:flex;align-items:center;gap:10px;width:100%;padding:12px;background:transparent;border:1px solid var(--aether-border);border-radius:6px;color:var(--warm-white);font-size:14px;cursor:pointer;transition:all .2s}.new-chat-btn:hover{background:var(--aether-surface-2)}.sidebar-section{flex:1;overflow-y:auto;padding:12px 8px}.section-label{font-size:12px;color:var(--aether-text-muted);padding:8px 12px;text-transform:uppercase;font-weight:500}.chat-item{display:flex;align-items:center;gap:10px;padding:10px 12px;color:var(--aether-text);border-radius:6px;cursor:pointer;font-size:14px}.chat-item:hover,.chat-item.active{background:var(--aether-surface-2)}.chat-item svg{color:var(--aether-text-muted);flex-shrink:0}.sidebar-bottom{padding:12px;border-top:1px solid var(--aether-border)}.sidebar-item{display:flex;align-items:center;gap:12px;padding:10px 12px;color:var(--aether-text);border-radius:6px;cursor:pointer;font-size:14px}.sidebar-item:hover{background:var(--aether-surface-2)}.main-content{flex:1;display:flex;flex-direction:column;background:var(--aether-obsidian)}.top-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--aether-border);background:var(--aether-obsidian)}.menu-btn{background:transparent;border:none;color:var(--warm-white);cursor:pointer;padding:8px;border-radius:6px}.menu-btn:hover{background:var(--aether-surface-2)}.model-selector{display:flex;align-items:center;gap:8px;padding:8px 16px;background:var(--aether-surface-2);border:1px solid var(--aether-border);border-radius:6px;cursor:pointer;position:relative}.model-name{color:var(--aether-text);font-size:14px;font-weight:500}.model-menu{position:absolute;top:100%;left:0;right:0;margin-top:8px;background:var(--aether-surface-2);border:1px solid var(--aether-border);border-radius:6px;box-shadow:0 4px 16px #0000004d;z-index:100;overflow:hidden}.model-option{padding:12px 16px;cursor:pointer}.model-option:hover,.model-option.active{background:var(--aether-surface-3)}.model-option-name{color:var(--aether-text);font-size:14px;font-weight:500}.model-option-desc{color:var(--aether-text-muted);font-size:12px;margin-top:2px}.chat-area{flex:1;overflow-y:auto;padding:20px}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center}.logo-large{margin-bottom:24px}.empty-state h2{color:var(--aether-text);font-size:24px;font-weight:500;margin-bottom:24px}.suggestions{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;max-width:500px}.suggestion-btn{padding:12px 16px;background:var(--aether-surface-2);border:1px solid var(--aether-border);border-radius:8px;color:var(--aether-text);font-size:14px;cursor:pointer;text-align:left;transition:all .2s}.suggestion-btn:hover{background:var(--aether-surface-3);border-color:var(--aether-gold)}.messages-container{max-width:768px;margin:0 auto}.message{display:flex;gap:16px;padding:24px 0}.message-avatar{width:36px;height:36px;flex-shrink:0}.message-content{flex:1;min-width:0}.message-text{color:var(--aether-text);font-size:16px;line-height:1.6;white-space:pre-wrap}.message.user{background:var(--aether-surface-2);padding:16px;border-radius:8px}.message.user .message-content{padding:0}.loading-dots{display:flex;gap:4px;padding:8px 0}.loading-dots span{width:8px;height:8px;background:var(--aether-gold);border-radius:50%;animation:bounce 1.4s infinite ease-in-out}.loading-dots span:nth-child(1){animation-delay:0s}.loading-dots span:nth-child(2){animation-delay:.2s}.loading-dots span:nth-child(3){animation-delay:.4s}@keyframes bounce{0%,80%,to{transform:scale(.8);opacity:.5}40%{transform:scale(1);opacity:1}}.input-container{padding:16px 24px 24px;max-width:768px;margin:0 auto;width:100%}.input-wrapper{display:flex;align-items:flex-end;gap:12px;background:var(--aether-surface);border:1px solid var(--aether-border);border-radius:12px;padding:12px 16px;transition:border-color .2s}.input-wrapper:focus-within{border-color:var(--aether-gold)}.input-wrapper textarea{flex:1;background:transparent;border:none;outline:none;font-size:16px;color:var(--aether-text);font-family:inherit;resize:none;max-height:200px;line-height:1.5}.input-wrapper textarea::placeholder{color:var(--aether-text-muted)}.send-btn{width:36px;height:36px;background:var(--aether-gold);border:none;border-radius:8px;color:var(--aether-obsidian);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.send-btn:hover:not(:disabled){background:var(--aether-orange)}.send-btn:disabled{background:var(--aether-surface-3);color:var(--aether-text-muted);cursor:not-allowed}.disclaimer{text-align:center;font-size:12px;color:var(--aether-text-muted);margin-top:12px}@media (max-width: 768px){.sidebar{display:none}.suggestions{grid-template-columns:1fr}.input-container{padding:12px 16px 16px}}.chat-area::-webkit-scrollbar{width:8px}.chat-area::-webkit-scrollbar-track{background:transparent}.chat-area::-webkit-scrollbar-thumb{background:var(--aether-surface-3);border-radius:4px}.chat-area::-webkit-scrollbar-thumb:hover{background:var(--aether-gold)}