body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: black;
    color: white;
}

.header {
    background: white;
    color: black;
    padding: 15px;
    text-align: center;
    border-bottom: 2px solid black;
}

.nav__list {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: center;
}

.nav__list li {
    display: block;
    margin-bottom: 10px;
    border-bottom: 1px solid black;
    padding: 10px;
}

.nav__link {
    text-decoration: none;
    color: black;
    font-size: 18px;
}

.nav__link:hover {
    background: black;
    color: white;
    padding: 5px;
}

.nav__link--active {
    color: gray;
    font-weight: bold;
}

.main {
    background: white;
    color: black;
    padding: 30px;
    margin: 20px;
    text-align: center;
}

.main__title {
    color: black;
    font-size: 28px;
    margin-bottom: 30px;
    text-align: left;
    border-bottom: 2px solid black;
    padding-bottom: 10px;
}

.main__text {
    margin-bottom: 15px;
    color: gray;
    text-align: left;
    font-size: 16px;
}

.footer {
    text-align: center;
    color: white;
    font-size: 14px;
    padding: 20px;
    background: gray;
}

.footer__text {
    margin: 10px 0;
}

.breadcrumb {
    margin: 20px;
    font-size: 14px;
    color: white;
    background: gray;
    padding: 10px;
}

.breadcrumb__link {
    color: white;
    text-decoration: underline;
}

.breadcrumb__link:hover {
    color: black;
    background: white;
    padding: 2px;
}

.breadcrumb__current {
    color: black;
    background: white;
    padding: 2px;
}

.content-section {
    margin: 20px;
    padding: 20px;
    background: gray;
    color: white;
    border: 2px solid white;
}

.content-section__title {
    margin: 0 0 15px 0;
    color: white;
    font-size: 20px;
    text-align: center;
}

.content-section__text {
    margin-bottom: 10px;
    color: white;
    text-align: left;
}

.button {
    padding: 15px 25px;
    border: 2px solid black;
    background: white;
    color: black;
    cursor: pointer;
    font-size: 16px;
    margin: 10px;
}

.button:hover {
    background: black;
    color: white;
}

.button--secondary {
    background: gray;
    color: white;
    border: 2px solid white;
}

.button--secondary:hover {
    background: white;
    color: black;
}

.dialog {
    padding: 30px;
    border: 3px solid black;
    background: white;
    color: black;
    max-width: 500px;
}

.dialog__title {
    margin: 0 0 25px 0;
    color: black;
    text-align: center;
    font-size: 22px;
    border-bottom: 1px solid black;
    padding-bottom: 10px;
}

.form__label {
    display: block;
    margin: 15px 0 8px 0;
    font-weight: bold;
    color: black;
    font-size: 16px;
}

.form__input,
.form__select,
.form__textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid black;
    background: white;
    color: black;
    font-size: 16px;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    background: gray;
    color: white;
}

.form__help {
    font-size: 12px;
    color: gray;
    margin-top: 5px;
}

.form__actions {
    margin-top: 25px;
    text-align: center;
}

.form__actions .button {
    margin: 0 10px;
}