.header {
    height: 55px;
    
    display: flex;
    justify-content: space-between; /* Aligns items to the start and end of the container */
    
    position: fixed;
    top: 0;
    left: 0;
    right: 0;

    background-color: white;
    border-bottom: 1px;
    border-bottom-style: solid;
    border-bottom-color: rgb(228, 228, 228);

    z-index: 100; /* Ensures that the header is on top of other elements */
}

.left-section {
    display: flex;
    align-items: center;
}

.hamburger-menu {
    height: 24px;
    margin-left: 24px;
    margin-right: 24px;
    cursor: pointer;
    transition: background-color 0.15s, padding 0.15s; /* Adds smooth transition */
}

.hamburger-menu:hover {
    background-color: rgb(230, 230, 230);
    border-radius: 50%; /* Makes the background a circle */
    padding: 6px; /* Adds padding to make the circle bigger */
    box-sizing: content-box; /* Ensures padding is added outside the element's size */
}

.youtube-logo {
    height: 20px;
    cursor: pointer;
}

.middle-section {
    flex: 1; /* Takes up the remaining space */
    margin-left: 70px;
    margin-right: 35px;
    max-width: 500px;
    display: flex;
    align-items: center;
}

.search-bar {
    flex: 1;
    height: 36px;
    padding-left: 10px;
    font-size: 16px;
    border: 1px solid rgb(192, 192, 192);
    border-radius: 20px 0 0 20px;
    box-shadow: inset 1px 2px 5px rgba(0, 0, 0, 0.015);
    width: 0; /* Makes the search bar shrink */
}

.search-bar::placeholder {
    font-size: 16px;
}

.search-button {
    height: 40px;
    width: 65px;
    background-color: rgb(240, 240, 240);
    border: 1px solid rgb(192, 192, 192);
    border-radius: 0 20px 20px 0;
    margin-left: -1px;
    margin-right: 10px;
    cursor: pointer;
}

.search-button,
.voice-search-button,
.upload-icon-container,
.apps-icon-container,
.notification-icon-container {
    display: flex;
    justify-content: center; 
    align-items: center;
    position: relative;
}
    

.search-button .tooltip,
.voice-search-button .tooltip,
.upload-icon-container .tooltip,
.apps-icon-container .tooltip,
.notification-icon-container .tooltip { /* Targets tooltips within the search button */
    position: absolute;
    background-color: gray;
    color: white;
    padding-left: 8px;
    padding-right: 8px;
    padding-top: 4px;
    padding-bottom: 4px;
    border-radius: 2px;
    font-size: 12px;
    bottom: -30px;
    opacity: 0; /* Hides the tooltip */ 
    transition: opacity 0.15s;
    pointer-events: none; /* Prevents the tooltip from being interactive */
    white-space: nowrap; /* Prevents the tooltip from wrapping */
}


.search-button:hover .tooltip,
.voice-search-button:hover .tooltip,
.upload-icon-container:hover .tooltip,
.apps-icon-container:hover .tooltip,
.notification-icon-container:hover .tooltip { 
    opacity: 1; /* Shows the tooltip */
}

.search-button:hover {
    background-color: rgb(230, 230, 230);
}

.search-icon {
    height: 25px;
}

.voice-search-button {
    height: 40px;
    width: 40px;
    border-radius: 20px;
    border: none;
    background-color: rgb(245, 245, 245);
    cursor: pointer;
}

.voice-search-icon {
    height: 24px;
}

.right-section {    
    width: 180px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-right: 20px;
    flex-shrink: 0; /* Prevents the element from shrinking */
}

.upload-icon {
    height: 24px;
    cursor: pointer;
}

.youtube-apps-icon {
    height: 24px;
    cursor: pointer;
}

.current-user-picture {
    height: 32px;
    border-radius: 16px;
    cursor: pointer;
}

.notification-icon {
    height: 24px;
    cursor: pointer;
}

.notification-icon-container {
    position: relative;
}

.notification-count {
    position: absolute;
    top: -1px;
    right: -3px;
    background-color: rgb(200, 0, 0);
    color: white;
    font-size: 11px;
    font-weight: bold;
    padding-left: 5px;
    padding-right: 5px;
    padding-top: 2px;
    padding-bottom: 2px;
    border-radius: 10px;
}