* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

/* Header styles */
header {
    background-color: #f4f4f4;
    padding: 0.5rem 1rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px;
}

.header-content a {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    gap: 10px;
}

.logo {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.platform-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Header auth styles */
.header-auth {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
}

.login-btn {
    padding: 0.5rem 1.5rem;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: background-color 0.3s;
    text-align: center;
    min-width: 100px;
}

.login-btn:hover {
    background-color: #2980b9;
}

.register-link {
    color: #666;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
    text-align: center;
    min-width: 100px;
}

.register-link:hover {
    color: #3498db;
}

/* Dropdown menu styles */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-btn {
    padding: 0.5rem 1rem;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    min-width: 150px;
    height: 40px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 500;
    font-family: inherit;
}

.dropdown-btn:hover {
    background-color: #0056b3;
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    background-color: #fff;
    width: 100%;
    min-width: 160px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    border-radius: 4px;
    z-index: 1;
}

.dropdown-content a {
    color: #333;
    padding: 0.75rem 1rem;
    text-decoration: none;
    display: block;
    transition: background-color 0.3s;
    text-align: left;
    white-space: nowrap;
    width: 100%;
}

.dropdown-content a:hover {
    background-color: #f5f5f5;
}

.dropdown-divider {
    height: 1px;
    background-color: #e0e0e0;
    margin: 0.5rem 0;
}

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

.dropdown:hover .dropdown-btn {
    background-color: #0056b3;
}

/* Common button styles */
.next-btn {
    padding: 0.75rem 2rem;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 500;
    transition: background-color 0.3s;
}

.next-btn:hover {
    background-color: #218838;
}

.content {
    text-align: center;
    padding: 2rem;
}

/* FOUC Prevention */
html.js-loading * {
    transition: none !important;
}
html.js-loading {
    visibility: hidden;
}

/* Add this script to all HTML files that use common.css:
<script>
    document.documentElement.classList.add('js-loading');
    window.addEventListener('load', function() {
        document.documentElement.classList.remove('js-loading');
    });
</script>
*/