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solid var(--border-color);display:flex;flex-direction:column;z-index:100}.sidebar.collapsed{width:var(--sidebar-collapsed)}.sidebar-logo{padding:10px 10px 0;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--border-color)}.sidebar-logo .logo-icon{width:100%;height:auto;display:flex;align-items:center;justify-content:center;flex-shrink:0}.sidebar-logo .logo-icon img{width:66%;height:auto;object-fit:contain}.sidebar-logo .logo-text{display:flex;flex-direction:column;overflow:hidden;white-space:nowrap}.sidebar-logo .logo-text h1{font-size:var(--font-size-lg);font-weight:800;letter-spacing:-.03em;background:linear-gradient(135deg,#10b981,#34d399);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.sidebar-logo .logo-text span{font-size:10px;color:var(--text-tertiary);font-weight:500;letter-spacing:.04em;text-transform:uppercase}.collapsed .logo-text{display:none}.account-selector{padding:var(--space-sm) var(--space-md);border-bottom:1px solid var(--border-color);position:relative}.account-selector-btn{width:100%;padding:10px 12px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);display:flex;align-items:center;justify-content:space-between;transition:all var(--transition-fast);cursor:pointer}.account-selector-btn:hover{border-color:var(--border-color-hover);background:var(--bg-elevated)}.account-selector-info{display:flex;align-items:center;gap:8px;overflow:hidden}.account-selector-dot{width:7px;height:7px;border-radius:50%;background:var(--accent-primary);flex-shrink:0;box-shadow:0 0 6px #10b98166}.account-selector-name{font-size:var(--font-size-sm);font-weight:500;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-chevron{color:var(--text-tertiary);transition:transform 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#00000026;transform:translateY(-1px)}.btn-secondary{background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-primary)}.btn-secondary:hover{background:var(--bg-elevated);border-color:var(--border-color-hover);transform:translateY(-1px)}.btn-ghost{color:var(--text-secondary)}.btn-ghost:hover{background:#ffffff0a;color:var(--text-primary)}.btn-danger{background:#ef44441a;color:var(--accent-danger)}.btn-danger:hover{background:#ef444429}.btn-icon{width:36px;height:36px;padding:0;display:flex;align-items:center;justify-content:center;border-radius:var(--border-radius-sm)}.btn-lg{padding:var(--space-md) var(--space-lg);font-size:var(--font-size-md);border-radius:var(--border-radius-md);font-weight:600}.chat-layout{display:flex;height:100%;gap:0}.chat-sidebar{width:280px;background:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;flex-shrink:0}.chat-sidebar-header{padding:var(--space-md) var(--space-lg);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.chat-sidebar-header h3{font-size:var(--font-size-md);font-weight:600}.chat-list{flex:1;overflow-y:auto;padding:var(--space-sm)}.chat-list-item{padding:var(--space-md);border-radius:var(--border-radius-md);cursor:pointer;transition:all var(--transition-fast);margin-bottom:var(--space-xs);position:relative}.chat-list-item:hover{background:#ffffff08}.chat-list-item:hover .conv-delete-btn{display:flex!important}.chat-list-item.active{background:#10b9810f;border:1px solid rgba(16,185,129,.12)}.chat-list-item .chat-item-title{font-size:var(--font-size-sm);font-weight:500;margin-bottom:var(--space-xs)}.chat-list-item .chat-item-preview{font-size:var(--font-size-xs);color:var(--text-tertiary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-list-item 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.chat-status{font-size:var(--font-size-xs);color:var(--accent-success);display:flex;align-items:center;gap:4px}.chat-header-info .chat-status:before{content:"";width:6px;height:6px;background:var(--accent-success);border-radius:50%}.chat-header-info .chat-status.offline{color:var(--accent-danger)}.chat-header-info .chat-status.offline:before{background:var(--accent-danger)}.chat-messages{flex:1;overflow-y:auto;padding:var(--space-lg);display:flex;flex-direction:column;gap:var(--space-md)}.chat-message{display:flex;gap:var(--space-md);max-width:75%;animation:messageSlide .3s ease}@keyframes messageSlide{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.chat-message.user{margin-left:auto;flex-direction:row-reverse}.chat-message .message-avatar{width:32px;height:32px;border-radius:var(--border-radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:14px}.chat-message.assistant .message-avatar{background:var(--brand-gradient)}.chat-message.user .message-avatar{background:var(--accent-secondary)}.chat-message .message-content{padding:var(--space-md);border-radius:var(--border-radius-md);font-size:var(--font-size-sm);line-height:1.6}.chat-message.assistant .message-content{background:var(--bg-card);border:1px solid var(--border-color);border-top-left-radius:4px}.chat-message.user .message-content{background:var(--accent-primary);color:#fff;border-top-right-radius:4px}.message-time{font-size:10px;color:var(--text-tertiary);margin-top:var(--space-xs)}.chat-message.user .message-time{text-align:right;color:#fff9}.message-action{margin-top:var(--space-md);padding:var(--space-md);background:#10b9810d;border:1px solid rgba(16,185,129,.12);border-radius:var(--border-radius-sm);display:flex;align-items:center;gap:var(--space-md)}.message-action 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textarea{flex:1;resize:none;font-size:var(--font-size-sm);line-height:1.5;max-height:120px;min-height:20px;color:var(--text-primary)}.chat-input-wrapper textarea::placeholder{color:var(--text-tertiary)}.chat-input-actions{display:flex;gap:var(--space-sm)}.chat-send-btn{width:36px;height:36px;background:var(--accent-primary);border-radius:var(--border-radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;transition:all var(--transition-fast)}.chat-send-btn:hover{background:var(--accent-primary-dark);transform:scale(1.05);box-shadow:var(--shadow-glow)}.chat-send-btn:disabled{opacity:.4;transform:none}.chat-suggestions{display:flex;gap:var(--space-sm);margin-top:var(--space-md);flex-wrap:wrap}.chat-suggestion{padding:var(--space-sm) var(--space-md);background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:20px;font-size:var(--font-size-xs);color:var(--text-secondary);cursor:pointer;transition:all 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