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rgba(255,255,255,.8)}.user-dropdown-menu{position:absolute;top:100%;right:0;margin-top:8px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:4px;box-shadow:0 2px 8px var(--shadow);min-width:150px;z-index:1000;overflow:hidden;transition:background-color .3s ease,border-color .3s ease}.user-dropdown-item{display:flex;align-items:center;gap:8px;width:100%;padding:10px 16px;text-align:left;background:none;border:none;color:var(--text-primary);font-size:14px;cursor:pointer;transition:background-color .2s ease,color .2s ease}.user-dropdown-item:hover{background-color:var(--bg-hover)}.user-dropdown-item:not(:last-child){border-bottom:1px solid var(--border-color)}.dark-mode-toggle{display:flex;align-items:center;gap:8px;padding:8px 12px;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;cursor:pointer;transition:all .2s 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