.page {
    display: none;
}

.page.active {
    display: block;
}

#auth-forms {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-container {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
    width: 100%;
    max-width: 400px;
}

.auth-tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.auth-tab {
    flex: 1;
    padding: 10px;
    border: none;
    background: #f8f9fa;
    cursor: pointer;
    font-size: 16px;
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
    color: #6c757d;
}

.auth-tab.active {
    border-bottom-color: #4CAF50;
    color: #4CAF50;
    background-color: #f8f9fa;
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.nav-container {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.nav-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    background-color: #3fa6fb;
    color: white;
    cursor: pointer;
}

.nav-btn.active {
    background-color: #45a049;
}

.user-info {
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.logout-btn {
    background-color: #f44336;
    font-size: 14px;
    padding: 5px 10px;
}

.galleries-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.gallery-item {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s;
}

.gallery-item:hover {
    transform: translateY(-2px);
}

.gallery-item h3 {
    color: #3fa6fb;
    margin-bottom: 10px;
}

.gallery-item p {
    color: #666;
    margin-bottom: 15px;
    font-size: 14px;
}

.view-gallery-btn {
    background-color: #3fa6fb;
}

.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.back-btn {
    background-color: #6c757d;
}

.error-messages {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.message {
    padding: 12px 20px;
    border-radius: 4px;
    margin-bottom: 10px;
    font-weight: 500;
    animation: slideIn 0.3s ease-out;
}

.message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}