/* Reset default styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
}

/* Top navigation bar */
.top-nav {
    background-color: #333;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-tabs {
    display: flex;
    gap: 20px;
}

.tab-btn {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 5px 10px;
    font-size: 16px;
}

.tab-btn:hover {
    background-color: #555;
}

.search-container {
    margin-left: auto;
}

.search-bar {
    padding: 5px 10px;
    border-radius: 4px;
    border: none;
    width: 200px;
}

/* Dropdown menu */
.dropdown-menu {
    background-color: #f8f9fa;
    padding: 10px 0;
    display: flex;
    width: 100%;
    justify-content: space-between;
}

.dropdown {
    position: relative;
    flex: 1;
    text-align: center;
}

.dropbtn {
    background-color: transparent;
    color: #333;
    padding: 10px 20px;
    border: none;
    cursor: pointer;
    width: 100%;
    font-weight: bold;
    transition: background-color 0.3s;
}

.dropbtn:hover {
    background-color: #e9ecef;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #fff;
    width: 250px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    border-radius: 8px;
    padding: 8px 0;
    margin-top: 5px;
}

.dropdown-content a {
    color: #333;
    padding: 12px 20px;
    text-decoration: none;
    display: block;
    text-align: left;
    transition: background-color 0.2s, color 0.2s;
}

.dropdown-content a:hover {
    background-color: #f0f7ff;
    color: #1a73e8;
}

.sub-dropdown {
    border-bottom: 1px solid #eee;
}

.sub-dropdown:last-child {
    border-bottom: none;
}

.dropdown:hover .dropdown-content {
    display: block;
}