/* Светлая тема по умолчанию */
body {
    background-color: #fff;
    color: #222;
    transition: background-color 0.3s, color 0.3s;
}

body.dark-theme {
    background-color: #111;
    color: #eee;
}

/* Переключатель темы */
.theme-toggle {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1000;
}

.theme-toggle input {
    display: none;
}

.theme-toggle label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 60px;
    height: 30px;
    background: #ddd;
    border-radius: 50px;
    position: relative;
    cursor: pointer;
    padding: 0 5px;
    font-size: 14px;
    transition: background 0.3s;
}

.theme-toggle label .toggle-ball {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.theme-toggle input:checked+label .toggle-ball {
    transform: translateX(30px);
}

.theme-toggle .sun,
.theme-toggle .moon {
    z-index: 1;
}