.header-component {
    position: fixed;
    width: calc(100% - 16rem);
    z-index: 40;
    margin-left: 16rem;
}

.header-action-btn {
    display: flex;
    align-items: center;
    padding: 0.5rem 0.75rem;
    color: var(--color-nhd-blue);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(61, 61, 61, 0.255);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: var(--font-family-sans);
    transition: all 0.2s ease;
}

.header-action-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.header-logout-btn {
    display: flex;
    align-items: center;
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    color: white;
    background: rgba(239, 68, 68, 0.3);
    border: 1px solid rgba(239, 68, 68, 0.5);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: var(--font-family-sans);
    transition: all 0.2s ease;
}

.header-logout-btn:hover {
    background: rgba(239, 68, 68, 0.5);
    transform: translateY(-1px);
}

@media (max-width: 1024px) {
    .header-component {
        width: 100%;
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    .header-component .flex-1 {
        max-width: 250px;
    }
    
    .header-component #global-search {
        font-size: 14px;
        padding: 8px 10px 8px 36px;
    }
    
    .header-component #global-search::placeholder {
        font-size: 13px;
    }
}

@media (max-width: 640px) {
    .header-component {
        top: 0.5rem;
        right: 0.5rem;
        width: 100%;
        margin-left: 0;
    }
    
    .header-component .flex-1 {
        max-width: 200px;
    }
    
    .header-component #global-search {
        font-size: 13px;
        padding: 6px 8px 6px 32px;
    }
    
    .header-component #global-search::placeholder {
        content: "Search...";
    }
    
    .glass-header {
        padding: 0.5rem;
    }
    
    .header-action-btn,
    .header-logout-btn {
        padding: 0.5rem;
        min-width: 2.5rem;
        justify-content: center;
    }
    
    .header-action-btn span {
        display: none;
    }
}

@media (max-width: 480px) {
    .header-component .flex-1 {
        max-width: 150px;
    }
    
    .header-component #global-search::placeholder {
        content: "Search...";
    }
}