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var(--border-dark);border-radius:8px}.chat-search-icon{color:var(--sidebar-muted);flex-shrink:0}.chat-search-input{flex:1;border:none;background:transparent;color:var(--sidebar-text);font-size:.82rem;font-family:inherit;outline:none}.chat-search-input::placeholder{color:var(--sidebar-muted)}.chat-search-clear{background:none;border:none;color:var(--sidebar-muted);cursor:pointer;font-size:1rem;padding:0 2px;line-height:1;transition:color .15s}.chat-search-clear:hover{color:var(--error)}.no-chats{color:var(--sidebar-muted);font-size:.85rem;text-align:center;padding:24px 0;font-style:italic}.chat-item{display:flex;align-items:center;width:100%;padding:0;border:none;border-radius:8px;background:transparent;font-size:.85rem;font-family:inherit;text-align:left;margin-bottom:2px;position:relative}.chat-item:hover{background:var(--sidebar-hover)}.chat-item.active{background:var(--sidebar-active);border-left:2px solid var(--gold)}.chat-item-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-item-loading{color:var(--gold);font-size:.7rem;flex-shrink:0;margin-left:4px;animation:pulse 1.2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.chat-item-btn{flex:1;display:flex;align-items:center;gap:4px;padding:10px 12px;border:none;background:transparent;color:var(--sidebar-item-text);font-size:.85rem;font-family:inherit;text-align:left;cursor:pointer;min-width:0}.chat-item:hover .chat-item-btn,.chat-item.active .chat-item-btn{color:var(--sidebar-text)}.chat-pin-icon{font-size:.7rem;flex-shrink:0}.chat-menu-trigger{opacity:0;font-size:1rem;padding:4px 8px;color:var(--sidebar-muted);cursor:pointer;transition:opacity .15s,color .15s;flex-shrink:0}.chat-item:hover .chat-menu-trigger{opacity:1}.chat-menu-trigger:hover{color:var(--sidebar-text)}.chat-menu{position:absolute;right:0;top:100%;z-index:30;min-width:160px;background:var(--sidebar-bg);border:1px solid var(--border-dark);border-radius:8px;box-shadow:0 8px 24px #0000004d;overflow:hidden}.chat-menu button{display:block;width:100%;padding:10px 14px;border:none;background:transparent;color:var(--sidebar-text);font-size:.82rem;font-family:inherit;text-align:left;cursor:pointer;transition:background .15s}.chat-menu button:hover{background:var(--sidebar-hover)}.chat-menu-delete{color:var(--error)!important}.chat-menu-delete:hover{background:#dc143c26!important}.chat-menu-portal-backdrop{position:fixed;inset:0;z-index:1000}.chat-menu-portal{position:fixed;z-index:1001;width:160px}.chat-rename-input{flex:1;padding:8px 10px;border:1px solid var(--gold);border-radius:6px;background:transparent;color:var(--sidebar-text);font-size:.82rem;font-family:inherit;outline:none}.chat-folder{margin-bottom:2px;border-radius:8px}.chat-folder.drag-over{background:#c5973e26;border:1px dashed var(--gold);border-radius:8px}.chat-folder-header{display:flex;align-items:center;border-radius:8px;transition:background .15s}.chat-folder-header:hover{background:var(--sidebar-hover)}.chat-folder-header:hover .delete-btn,.chat-folder-header:hover .chat-menu-trigger{opacity:1}.chat-folder-btn{flex:1;display:flex;align-items:center;gap:6px;padding:8px 10px;border:none;background:transparent;color:var(--sidebar-muted);font-size:.8rem;font-weight:600;font-family:inherit;cursor:pointer;text-align:left;min-width:0}.chat-folder-btn:hover{color:var(--sidebar-text)}.chat-folder-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.chat-folder-count{font-size:.68rem;color:var(--sidebar-muted);flex-shrink:0}.chat-item-in-folder{padding-left:24px;border-left:1px solid var(--border-dark);margin-left:10px}.chat-item[draggable]{cursor:grab}.chat-item[draggable]:active{cursor:grabbing;opacity:.6}.chat-item[draggable] .chat-menu-trigger{opacity:.5}.chat-item[draggable]:hover .chat-menu-trigger{opacity:1}.chat-unfiled.drag-over{background:#b2222214;border-radius:8px}.folder-new-btn{width:100%;padding:4px 10px;margin-bottom:4px;border:none;background:transparent;color:var(--sidebar-muted);font-size:.75rem;font-family:inherit;cursor:pointer;text-align:left;transition:color .15s}.folder-new-btn:hover{color:var(--gold-light)}.folder-add-btn{opacity:0;color:var(--sidebar-muted);cursor:pointer;padding:0 4px;transition:opacity .15s,color .15s}.chat-folder-header:hover .folder-add-btn{opacity:1}.folder-add-btn:hover{color:var(--gold-light)}.delete-btn{opacity:0;font-size:1.1rem;padding:0 4px;color:var(--sidebar-muted);transition:opacity .15s,color .15s;cursor:pointer}.delete-btn:hover{color:var(--error)}.sidebar-footer{display:flex;gap:8px;padding:12px 14px;min-width:280px;border-top:1px solid var(--border-dark)}.new-chat-btn-full{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 0;border:1px solid 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.3s;position:relative}.drop-overlay{position:absolute;inset:0;z-index:50;background:#b2222214;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;pointer-events:none}.drop-overlay-content{display:flex;flex-direction:column;align-items:center;gap:12px;padding:40px;border:2px dashed var(--scarlet);border-radius:16px;background:var(--surface);color:var(--scarlet);box-shadow:0 8px 32px #b2222226;animation:fadeInUp .2s ease}.drop-overlay-content p{font-size:1rem;font-weight:500}.topbar{display:flex;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid var(--border);background:var(--surface);transition:background .3s,border-color .3s}.topbar-title{font-size:.9rem;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.prompts-nav{position:relative;flex-shrink:0}.prompts-nav-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text-muted);font-size:.82rem;font-family:inherit;cursor:pointer;transition:border-color .2s,color .2s,background .2s}.prompts-nav-btn:hover{border-color:var(--scarlet);color:var(--text)}.prompts-chevron{transition:transform .25s ease}.prompts-chevron.open{transform:rotate(180deg)}.input-toolbar{display:flex;align-items:center;gap:8px;padding:4px 20px 0}.incognito-toggle{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--border);border-radius:8px;background:transparent;color:var(--text-muted);cursor:pointer;transition:background .15s,color .15s,border-color .15s;flex-shrink:0}.incognito-toggle:hover{border-color:var(--scarlet);color:var(--text)}.incognito-toggle.active{background:var(--scarlet);color:#fff;border-color:var(--scarlet)}.prompts-dropdown{position:absolute;bottom:calc(100% + 6px);left:0;z-index:30;min-width:280px;max-width:400px;max-height:60vh;overflow-y:auto;background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 24px #00000026}.prompts-item{display:flex;align-items:flex-start;gap:8px;width:100%;padding:10px 14px;border:none;background:transparent;color:var(--text);font-size:.82rem;font-family:inherit;text-align:left;cursor:pointer;transition:background .15s}.prompts-item:hover{background:var(--accent-glow)}.prompts-item:not(:last-child){border-bottom:1px solid var(--border)}.prompts-item-num{color:var(--scarlet);font-weight:600;flex-shrink:0;font-size:.75rem;margin-top:1px}.prompts-item-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.token-toggle{display:flex;align-items:center;justify-content:center;width:40px;border:1px solid var(--border-dark);border-radius:8px;background:transparent;color:var(--sidebar-muted);cursor:pointer;transition:background .15s,color .15s}.token-toggle:hover{background:var(--sidebar-hover);color:var(--gold-light)}.token-toggle.active{color:var(--gold);border-color:var(--gold);background:#c5973e1a}.token-usage-bar{display:flex;align-items:center;gap:10px;padding:4px 0}.token-bar-track{flex:1;height:6px;background:var(--border);border-radius:3px;overflow:hidden}.token-bar-fill{height:100%;border-radius:3px;transition:width .3s ease}.token-usage-label{font-size:.72rem;color:var(--text-muted);white-space:nowrap}.toggle-sidebar-main{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;border-radius:8px;background:transparent;color:var(--text-muted);cursor:pointer;transition:background .15s}.toggle-sidebar-main:hover{background:var(--border)}.welcome{flex:1;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at center,var(--accent-glow) 0%,transparent 65%)}.welcome-content{text-align:center}.welcome-logo{width:144px;height:144px;border-radius:12px;object-fit:cover;margin-bottom:20px}.welcome-content h2{font-size:1.6rem;color:var(--scarlet);margin-bottom:24px;letter-spacing:1.5px;font-weight:600}.start-btn{padding:12px 32px;background:var(--scarlet);color:#fff;border:none;border-radius:10px;font-size:.95rem;font-family:inherit;cursor:pointer;transition:background .15s,box-shadow .2s}.start-btn:hover{background:var(--scarlet-light);box-shadow:0 4px 20px var(--accent-glow)}.messages{flex:1;overflow-y:auto;padding:24px 20px;display:flex;flex-direction:column;gap:20px;align-items:stretch}.scroll-to-bottom{position:absolute;bottom:120px;left:50%;transform:translate(-50%);z-index:20;width:40px;height:40px;border-radius:50%;border:1px solid var(--border);background:var(--surface);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #00000026;transition:background .15s,color .15s,box-shadow .15s}.scroll-to-bottom:hover{color:var(--scarlet);border-color:var(--scarlet);box-shadow:0 4px 16px var(--accent-glow)}.empty-state{color:var(--text-muted);text-align:center;margin:auto;font-style:italic}.empty-state-fancy{display:flex;flex-direction:column;align-items:center;justify-content:center;margin:auto;gap:16px;animation:fadeInUp .5s ease}.empty-state-icon{font-size:3rem;color:var(--gold);opacity:.6;animation:gentlePulse 3s ease-in-out infinite}.empty-state-text{font-size:1.2rem;color:var(--text-muted);font-weight:500}.suggested-prompts{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:500px;margin-top:8px}.suggested-prompt{padding:10px 16px;border:1px solid var(--border);border-radius:20px;background:var(--surface);color:var(--text);font-size:.82rem;font-family:inherit;cursor:pointer;transition:border-color .2s,background .2s,box-shadow .2s,transform .15s}.suggested-prompt:hover{border-color:var(--scarlet);background:var(--accent-glow);box-shadow:0 2px 12px var(--accent-glow);transform:translateY(-1px)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes gentlePulse{0%,to{opacity:.6;transform:scale(1)}50%{opacity:.9;transform:scale(1.05)}}.message{display:flex;gap:12px;max-width:100%;width:100%}.message.assistant{align-self:flex-start}.message.user{align-self:flex-end}.avatar{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;flex-shrink:0;margin-top:2px}.message.user .avatar{background:var(--scarlet);color:#fff}.message.assistant .avatar{background:var(--msg-queen-avatar-bg);color:var(--msg-queen-avatar-color);border:1px solid var(--msg-queen-avatar-border);font-size:1.1rem}.message-col{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}.message.user .message-col{align-items:flex-end}.message.assistant .message-col{align-items:flex-start}.bubble{min-width:0}.bubble .label{display:block;font-size:.7rem;font-weight:600;margin-bottom:4px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.bubble p{line-height:1.7;white-space:pre-wrap;word-break:break-word;font-size:.95rem;color:var(--text)}.message.user .bubble{background:var(--scarlet);padding:14px 16px;border-radius:12px}.message.user .bubble .label{color:#fff9;text-align:right}.message.user .bubble p{color:#fff}.message.assistant .bubble{background:var(--msg-assistant-bg);padding:14px 16px;border-radius:12px;border:1px solid var(--msg-assistant-border);transition:background .3s,border-color .3s}.message.assistant .bubble .label{color:var(--gold)}.message.assistant .bubble p{color:var(--msg-assistant-text)}.assistant-content{min-width:0;width:100%}.assistant-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.assistant-header .label{font-size:.7rem;font-weight:600;color:var(--gold);text-transform:uppercase;letter-spacing:1px}.copy-msg-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:6px;transition:color .15s,background .15s;opacity:0}.message.assistant:hover .copy-msg-btn{opacity:1}.copy-msg-btn:hover{color:var(--scarlet);background:var(--accent-glow)}.edit-msg-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:6px;transition:color .15s,background .15s;opacity:0}.message.user:hover .edit-msg-btn{opacity:1}.edit-msg-btn:hover{color:var(--scarlet);background:var(--accent-glow)}.attached-files{display:flex;flex-wrap:wrap;gap:6px}.message.user .attached-files{justify-content:flex-end}.file-badge{display:inline-flex;align-items:center;gap:4px;padding:6px 14px;background:var(--surface);border:1px solid var(--border);border-radius:20px;font-size:.78rem;color:var(--text-muted);transition:background .3s,border-color .3s}.thinking-block{margin:8px 0 14px;border:1px solid var(--code-border);border-radius:10px;overflow:hidden;background:var(--code-bg);transition:background .3s,border-color .3s}.thinking-block summary{display:flex;align-items:center;gap:8px;padding:10px 14px;font-size:.82rem;font-weight:600;color:var(--text-muted);cursor:pointer;-webkit-user-select:none;user-select:none;list-style:none;transition:background .15s}.thinking-block summary::-webkit-details-marker{display:none}.thinking-block summary::marker{display:none;content:""}.thinking-block summary:hover{background:var(--accent-glow)}.thinking-block summary svg{flex-shrink:0}.thinking-chevron{transition:transform .25s ease}.thinking-block[open] .thinking-chevron{transform:rotate(180deg)}.thinking-content{padding:12px 16px;font-size:.88rem;line-height:1.7;color:var(--text-muted);border-top:1px solid var(--code-border);max-height:400px;overflow-y:auto;white-space:pre-wrap;word-break:break-word}.thinking-cursor{display:inline-block;width:6px;height:1em;background:var(--scarlet);margin-left:2px;vertical-align:text-bottom;animation:blink .8s step-end infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.code-wrapper{margin:16px 0}.code-label{display:inline-block;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);padding:5px 12px;background:var(--code-border);border-radius:8px 8px 0 0}.code-block{position:relative;background:var(--code-bg);border:1px solid var(--code-border);border-radius:0 10px 10px;box-shadow:0 2px 8px #0000000f,0 4px 16px #00000008;overflow:hidden;transition:background .3s,border-color .3s}.code-content{overflow-x:auto;padding:18px 20px;margin:0;font-size:.85rem;line-height:1.65;font-family:Fira Code,Cascadia Code,JetBrains Mono,Consolas,monospace;color:var(--text)}.code-content code{font-family:inherit}.code-copy-btn{position:absolute;bottom:10px;right:10px;display:flex;align-items:center;justify-content:center;width:34px;height:34px;background:var(--surface);color:var(--charcoal-light);border:1px solid var(--code-border);border-radius:8px;cursor:pointer;transition:transform .2s,box-shadow .2s,color .2s,background .2s;box-shadow:0 1px 4px #00000014;opacity:0}.code-block:hover .code-copy-btn{opacity:1}.code-copy-btn:hover{transform:scale(1.12);box-shadow:0 0 0 3px var(--accent-glow),0 2px 8px #0000001a;color:var(--scarlet)}.code-copy-btn.copied{color:#22c55e;background:#f0fdf4;border-color:#bbf7d0}[data-theme=dark] .code-copy-btn{background:#2a2228;color:#aaa;border-color:var(--code-border)}[data-theme=dark] .code-copy-btn:hover{color:var(--scarlet-light)}[data-theme=dark] .code-copy-btn.copied{background:#1a2e1a;color:#4ade80;border-color:#2d5a2d}.text-block{line-height:1.7}.math-block{margin:12px 0;overflow-x:auto;text-align:center}.md-h1{font-size:1.55rem;font-weight:700;color:var(--text);margin:16px 0 8px}.md-h2{font-size:1.25rem;font-weight:600;color:var(--text);margin:14px 0 6px}.md-h3{font-size:1.08rem;font-weight:600;color:var(--text);margin:12px 0 4px}.md-p{font-size:1.02rem;line-height:1.7;color:var(--msg-assistant-text);margin:2px 0}.md-bullet{display:flex;gap:8px;font-size:1.02rem;line-height:1.7;color:var(--msg-assistant-text);margin:2px 0}.md-dot,.md-num{flex-shrink:0;color:var(--scarlet);font-weight:600}.md-spacer{height:8px}.inline-code{background:var(--accent-glow);padding:2px 6px;border-radius:4px;font-size:.88em;font-family:Fira Code,Consolas,monospace;color:var(--scarlet)}.typing{display:flex;gap:5px;padding:4px 0}.dot{width:8px;height:8px;border-radius:50%;background:var(--scarlet);animation:bounce 1.4s infinite ease-in-out}.dot:nth-child(2){animation-delay:.16s}.dot:nth-child(3){animation-delay:.32s}@keyframes bounce{0%,80%,to{transform:scale(.6);opacity:.3}40%{transform:scale(1);opacity:1}}.input-bar{display:flex;flex-direction:column;gap:8px;padding:8px 20px 16px;width:100%}.input-blocked-notice{font-size:.8rem;color:var(--gold);background:var(--gold-glow);border:1px solid rgba(197,151,62,.25);border-radius:8px;padding:8px 12px;text-align:center}.input-row{display:flex;gap:8px;width:100%}.input-row textarea{flex:1;padding:12px 16px;border:1px solid var(--border);border-radius:12px;font-size:.95rem;outline:none;transition:border-color .2s,box-shadow .2s,background .3s;background:var(--input-bg);color:var(--text);font-family:inherit;resize:vertical;min-height:44px;max-height:50vh;line-height:1.4;overflow-y:auto}.input-row textarea::placeholder{color:var(--text-muted)}.input-row textarea:focus{border-color:var(--scarlet);box-shadow:0 0 0 3px var(--accent-glow)}.input-row textarea::-webkit-resizer{background:linear-gradient(135deg,transparent 40%,var(--text-muted) 40%,var(--text-muted) 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