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rotate(45deg);width:9px;height:9px;background:#fff}.session-wrapper{position:relative;display:inline-block}.hamburger-btn{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:36px;height:36px;background:none;border:none;border-radius:8px;cursor:pointer;padding:6px;flex-shrink:0;color:var(--text-primary)}.hamburger-btn span{display:block;width:20px;height:2px;background-color:currentColor;border-radius:2px}.hamburger-btn:hover{background-color:#0000000d}.sidebar-close-btn{display:none;position:absolute;top:12px;right:12px;background:none;border:none;font-size:1.1rem;cursor:pointer;color:var(--text-secondary);width:32px;height:32px;border-radius:50%;padding:0;line-height:1}.sidebar-close-btn:hover{background-color:#0000000f;color:var(--text-primary)}.sidebar-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#0006;z-index:99}.hamburger-btn,.sidebar-backdrop,.sidebar-close-btn,.session-btn{touch-action:manipulation}@media (max-width: 768px){.sidebar{position:fixed;top:0;left:0;height:100%;width:260px;transform:translate(-260px);transition:transform .28s cubic-bezier(.4,0,.2,1);z-index:100;overflow-y:auto}.sidebar.sidebar--open{transform:translate(0)}.admin-box{padding-top:48px}.sidebar-close-btn{display:flex;justify-content:center;align-items:center}.hamburger-btn{display:flex}.chat-container{width:100%}.chat-header{padding:.75rem}.chat-header h2{font-size:1.2rem}.chat-messages{padding:1rem .75rem}.chat-input-area{padding:.75rem}.session-wrapper{position:static}.session-popover{position:fixed;top:auto;bottom:0;left:0;right:0;width:100%;transform:none;border-radius:12px 12px 0 0;border-bottom:none;box-shadow:0 -4px 20px #0000001f;z-index:200;padding:16px;font-size:.85rem}.session-popover-arrow{display:none}.hamburger-btn,.sidebar-close-btn{width:36px!important;min-width:36px!important}}