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var(--border);flex-shrink:0;justify-content:space-between;align-items:center;gap:10px;height:52px;padding:0 16px;display:flex}.sidebar-new-chat{background:var(--bg-subtle);border:1px solid var(--border);height:36px;min-height:36px;color:var(--text-primary);cursor:pointer;border-radius:8px;align-items:center;gap:10px;margin:8px 10px;padding:0 12px;font-size:13px;font-weight:500;transition:background .15s,border-color .15s;display:flex;overflow:hidden}.sidebar-new-chat:hover{background:var(--bg-hover);border-color:var(--border-strong)}.sidebar.collapsed .sidebar-new-chat{justify-content:center;width:36px;min-width:36px;margin-left:auto;margin-right:auto;padding:0}.sidebar-search-wrap{background:var(--bg-subtle);border:1px solid var(--border);border-radius:6px;align-items:center;gap:10px;height:32px;min-height:32px;margin:4px 10px 8px;padding:0 10px;display:flex;overflow:hidden}.sidebar.collapsed .sidebar-search-wrap{display:none}.sidebar-search{min-width:0;color:var(--text-primary);background:0 0;border:none;outline:none;flex:1;font-size:12px}.sidebar-search::placeholder{color:var(--text-hint)}.sidebar-section-label{color:var(--text-hint);letter-spacing:.05em;text-transform:uppercase;padding:12px 16px 4px;font-size:11px;font-weight:500}.sidebar.collapsed .sidebar-section-label{opacity:0;height:0;padding:0;overflow:hidden}.conv-item{cursor:pointer;text-align:left;width:calc(100% - 16px);height:34px;min-height:36px;color:inherit;background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;margin:1px 8px;padding:0 10px;text-decoration:none;transition:background .15s;display:flex;position:relative;overflow:hidden}.conv-item:hover{background:var(--bg-subtle)}.conv-item-active{background:var(--bg-subtle);font-weight:500}.conv-item-active .conv-label{color:var(--text-primary)}.conv-item-active:before{content:"";background:var(--accent);border-radius:0 2px 2px 0;width:3px;height:16px;position:absolute;top:50%;left:0;transform:translateY(-50%)}.sidebar.collapsed .conv-item-active:before{display:none}.sidebar.collapsed .conv-item-active{background:var(--accent-subtle)}.conv-label{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;font-size:13px;transition:opacity .18s,width .18s;overflow:hidden}.sidebar.collapsed .conv-item{justify-content:center;gap:0;width:36px;min-width:36px;margin-left:auto;margin-right:auto;padding:0}.sidebar.collapsed .conv-item .icon-18{margin:0}.sidebar-user-row{border-top:1px solid var(--border);flex-shrink:0;align-items:center;gap:10px;padding:12px 10px;display:flex;overflow:hidden}.sidebar.collapsed .sidebar-user-row{flex-direction:column;padding:12px 8px}.user-avatar{background:var(--accent-subtle);width:30px;min-width:30px;height:30px;color:var(--accent);border-radius:50%;justify-content:center;align-items:center;font-size:12px;font-weight:500;display:flex;overflow:hidden}.main-area{flex-direction:column;flex:1;min-width:0;display:flex;overflow:hidden}.header{background:var(--bg-surface);border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;height:52px;padding:0 20px;display:flex}.header-left,.header-right{align-items:center;gap:10px;min-width:0;display:flex}.header-right{flex-shrink:0}.header-center{flex:1;justify-content:center;min-width:0;display:flex}.header-title{color:var(--text-primary);max-width:200px;font-size:15px;font-weight:500}.header-icon-btn{width:32px;min-width:32px;height:32px;min-height:32px;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;transition:background 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auto}.chat-inner{box-sizing:border-box;flex-direction:column;gap:24px;width:100%;max-width:720px;padding:0 24px;display:flex}.input-dock{background:var(--bg-page);flex-direction:column;flex-shrink:0;align-items:center;width:100%;padding:12px 0 20px;display:flex}.input-dock-column{box-sizing:border-box;width:100%;max-width:720px;padding:0 24px}.input-inner{background:var(--bg-input);border:1px solid var(--border);border-radius:14px;flex-direction:column;gap:8px;width:100%;padding:10px 12px 10px 16px;transition:border-color .15s;display:flex;overflow:hidden}.input-inner:focus-within{border-color:var(--border-strong)}.chat-textarea{resize:none;width:100%;min-height:24px;max-height:200px;color:var(--text-primary);background:0 0;border:none;outline:none;font-family:inherit;font-size:15px;line-height:1.6;overflow-y:auto}.chat-textarea::placeholder{color:var(--text-hint)}.input-actions{justify-content:space-between;align-items:center;gap:8px;display:flex}.input-actions-left{align-items:center;gap:8px;display:flex}.input-icon-btn{width:32px;min-width:32px;height:32px;min-height:32px;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;transition:background .15s,color .15s;display:flex;position:relative}.input-icon-btn:hover{background:var(--bg-subtle);color:var(--text-primary)}.input-icon-btn-recording{background:var(--accent-subtle);color:var(--accent)}.input-icon-btn-recording:after{content:"";border:1.5px solid var(--accent);pointer-events:none;border-radius:50%;animation:1s ease-out infinite pulse-ring;position:absolute;inset:0}@keyframes pulse-ring{0%{opacity:.6;transform:scale(1)}to{opacity:0;transform:scale(1.8)}}.send-btn{background:var(--text-primary);width:32px;min-width:32px;height:32px;min-height:32px;color:var(--bg-page);cursor:pointer;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;transition:opacity .15s;display:flex}.send-btn:hover:not(:disabled){opacity:.85}.send-btn:disabled{background:var(--bg-hover);color:var(--text-hint);cursor:not-allowed}.input-footer-note{color:var(--text-hint);text-align:center;margin-top:6px;font-size:11px}.message-row{box-sizing:border-box;gap:12px;width:100%;max-width:100%;padding:4px 0;display:flex}.message-row-user{flex-direction:row-reverse}.message-row-bot{flex-direction:row}.bot-avatar{background:var(--accent-subtle);width:28px;min-width:28px;height:28px;color:var(--accent);border-radius:50%;flex-shrink:0;justify-content:center;align-self:flex-start;align-items:center;margin-top:2px;font-size:12px;font-weight:500;display:flex;overflow:hidden}.user-bubble{background:var(--user-bubble);color:var(--user-bubble-text);word-break:break-word;overflow-wrap:break-word;border-radius:18px 18px 4px;max-width:75%;padding:10px 16px;font-size:15px;line-height:1.6}.bot-message{background:var(--bot-bubble);color:var(--bot-bubble-text);max-width:100%;font-size:16px;line-height:1.75}.citation-block{border-left:2px solid var(--accent);padding-left:12px}.message-actions{gap:4px;margin-top:6px;display:flex}.message-action-btn{width:28px;min-width:28px;height:28px;min-height:28px;color:var(--text-hint);cursor:pointer;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;transition:background .15s,color .15s;display:flex}.message-action-btn:hover{background:var(--bg-subtle);color:var(--text-secondary)}.thinking-dots{align-items:center;gap:6px;padding:8px 0;display:flex}.thinking-dots span{background:var(--text-hint);border-radius:50%;width:6px;height:6px;animation:.6s ease-in-out infinite thinking-dot}.thinking-dots span:nth-child(2){animation-delay:.2s}.thinking-dots span:nth-child(3){animation-delay:.4s}@keyframes thinking-dot{0%,to{opacity:.4;transform:translateY(0)}50%{opacity:1;transform:translateY(-3px)}}.message-animate{animation:.2s forwards message-in}@keyframes message-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.chat-welcome{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:48px 0;display:flex}.chat-welcome-avatar{background:var(--accent-subtle);width:40px;height:40px;color:var(--accent);border-radius:50%;justify-content:center;align-items:center;font-size:14px;font-weight:500;display:flex}.suggestion-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;width:100%;max-width:480px;display:grid}.suggestion-chip{border:1px solid var(--border);text-align:left;background:var(--bg-surface);color:var(--text-primary);cursor:pointer;border-radius:10px;max-width:220px;padding:10px 14px;font-size:13px;font-weight:400;transition:background .15s,border-color .15s;overflow:hidden}.suggestion-chip:hover{background:var(--bg-subtle);border-color:var(--border-strong)}.model-selector-wrap{position:relative}.model-pill{background:var(--bg-subtle);border:1px solid var(--border);height:32px;min-height:32px;color:var(--text-primary);cursor:pointer;border-radius:20px;align-items:center;gap:10px;max-width:220px;padding:0 12px;font-size:13px;font-weight:500;transition:background .15s,border-color .15s;display:flex}.model-pill:hover{border-color:var(--border-strong);background:var(--bg-hover)}.model-dot{border-radius:50%;flex-shrink:0;width:8px;min-width:8px;height:8px}.model-dropdown{background:var(--bg-surface);border:1px solid var(--border);z-index:100;border-radius:12px;width:260px;padding:6px;animation:.15s dropdown-in;position:absolute;top:calc(100% + 6px);left:50%;overflow:hidden;transform:translate(-50%)}@keyframes dropdown-in{0%{opacity:0;transform:translate(-50%)translateY(-4px)}to{opacity:1;transform:translate(-50%)translateY(0)}}.model-dropdown-label{color:var(--text-hint);letter-spacing:.05em;text-transform:uppercase;padding:6px 10px 2px;font-size:11px;font-weight:500}.model-option{cursor:pointer;text-align:left;background:0 0;border:none;border-radius:8px;align-items:flex-start;gap:10px;width:100%;padding:8px 10px;transition:background .15s;display:flex}.model-option:hover{background:var(--bg-subtle)}.model-option-selected{background:var(--accent-subtle)}.model-option-name{color:var(--text-primary);font-size:14px;font-weight:500;display:block}.model-option-selected .model-option-name{color:var(--accent)}.model-option-desc{color:var(--text-secondary);margin-top:2px;font-size:12px;font-weight:400;display:block}.model-option-badge{background:var(--bg-subtle);color:var(--text-secondary);border-radius:20px;margin-top:4px;padding:2px 7px;font-size:11px;display:inline-block}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--text-hint)}*{scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent}@media(max-width:1023px){.chat-inner,.input-dock-column{max-width:600px}.sidebar:not(.sidebar-mobile-open){width:220px;min-width:220px}}@media(max-width:767px){.sidebar{width:280px;min-width:280px;transition:transform .18s;position:fixed;top:0;left:0;transform:translate(-100%)}.sidebar.sidebar-mobile-open{transform:translate(0)}.sidebar-backdrop{z-index:199;cursor:pointer;background:#00000059;border:none;display:block;position:fixed;inset:0}.chat-inner,.input-dock-column{max-width:100%;padding-left:16px;padding-right:16px}.input-dock{padding:10px 0 16px}.user-bubble{max-width:85%}.page-content{padding:16px}.suggestion-grid{grid-template-columns:1fr}}}@property --tw-animation-delay{syntax:"*";inherits:false;initial-value:0s}@property --tw-animation-direction{syntax:"*";inherits:false;initial-value:normal}@property --tw-animation-duration{syntax:"*";inherits:false}@property --tw-animation-fill-mode{syntax:"*";inherits:false;initial-value:none}@property --tw-animation-iteration-count{syntax:"*";inherits:false;initial-value:1}@property --tw-enter-blur{syntax:"*";inherits:false;initial-value:0}@property --tw-enter-opacity{syntax:"*";inherits:false;initial-value:1}@property --tw-enter-rotate{syntax:"*";inherits:false;initial-value:0}@property --tw-enter-scale{syntax:"*";inherits:false;initial-value:1}@property --tw-enter-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-enter-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-exit-blur{syntax:"*";inherits:false;initial-value:0}@property --tw-exit-opacity{syntax:"*";inherits:false;initial-value:1}@property --tw-exit-rotate{syntax:"*";inherits:false;initial-value:0}@property --tw-exit-scale{syntax:"*";inherits:false;initial-value:1}@property --tw-exit-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-exit-translate-y{syntax:"*";inherits:false;initial-value:0}:root,[data-theme=light]{color-scheme:light;--radius:8px;--bg-page:#f5f4ef;--bg-surface:#fff;--bg-subtle:#efede8;--bg-hover:#e8e6e0;--bg-input:#f0eee9;--text-primary:#1a1915;--text-secondary:#6b6a65;--text-hint:#9c9b96;--border:#00000017;--border-strong:#00000029;--accent:#c96a2a;--accent-subtle:#faf0e8;--user-bubble:#1a1915;--user-bubble-text:#f5f4ef;--bot-bubble:transparent;--bot-bubble-text:#1a1915;--background:var(--bg-page);--foreground:var(--text-primary);--card:var(--bg-surface);--card-foreground:var(--text-primary);--popover:var(--bg-surface);--popover-foreground:var(--text-primary);--primary:var(--accent);--primary-foreground:#fff;--secondary:var(--bg-subtle);--secondary-foreground:var(--text-primary);--muted:var(--bg-subtle);--muted-foreground:var(--text-secondary);--destructive:#b54a3a;--destructive-foreground:#fff;--success:#3d7a5c;--warning:var(--accent);--input:var(--border);--ring:var(--accent);--sidebar:var(--bg-surface);--sidebar-foreground:var(--text-primary);--sidebar-primary:var(--accent);--sidebar-primary-foreground:#fff;--sidebar-accent:var(--bg-subtle);--sidebar-accent-foreground:var(--text-primary);--sidebar-border:var(--border);--sidebar-ring:var(--accent)}[data-theme=dark]{color-scheme:dark;--bg-page:#1a1915;--bg-surface:#232320;--bg-subtle:#2c2c28;--bg-hover:#343430;--bg-input:#2c2c28;--text-primary:#f0efe9;--text-secondary:#9c9b96;--text-hint:#6b6a65;--border:#ffffff12;--border-strong:#ffffff24;--accent:#d97c3a;--accent-subtle:#2a2118;--user-bubble:#f0efe9;--user-bubble-text:#1a1915;--bot-bubble:transparent;--bot-bubble-text:#f0efe9;--background:var(--bg-page);--foreground:var(--text-primary);--card:var(--bg-surface);--muted:var(--bg-subtle);--muted-foreground:var(--text-secondary);--primary:var(--accent);--sidebar:var(--bg-surface);--sidebar-border:var(--border)}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-divide-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-divide-x-reverse{syntax:"*";inherits:false;initial-value:0}