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

body {
    font-family: var(--font-family-sans);
    background: var(--color-surface-page);
    color: var(--color-text-primary);
    line-height: var(--line-height-body);
    padding: var(--space-4);
    padding-left: max(var(--space-4), env(safe-area-inset-left, 0px));
    padding-right: max(var(--space-4), env(safe-area-inset-right, 0px));
    padding-bottom: max(var(--space-4), env(safe-area-inset-bottom, 0px));
    max-width: 720px;
    margin: 0 auto;
}

h1 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

h2 {
    font-size: 1.15rem;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

p,
ul {
    margin-bottom: 0.75rem;
}

ul {
    margin-left: 1.5rem;
}

a {
    color: var(--color-link);
}

.back {
    display: inline-block;
    margin-bottom: 1.5rem;
    padding: 10px 20px;
    background: var(--color-action-primary-bg);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: var(--font-weight-semibold);
    min-height: 44px;
    min-width: 44px;
    line-height: 24px;
}

.back:hover {
    background: var(--color-action-primary-hover);
}

.back:focus-visible {
    outline: var(--focus-ring-width) solid var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
}

.lang-switcher {
    margin-bottom: 1rem;
    font-size: 15px;
    font-weight: var(--font-weight-semibold);
}

.lang-switcher-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 10px;
}

.lang-switcher .lang-current {
    opacity: 0.95;
}

.lang-switcher .lang-link {
    color: var(--color-link);
    text-decoration: none;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    min-height: 44px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.lang-switcher .lang-link:hover,
.lang-switcher .lang-link:focus-visible {
    background: var(--color-surface-subtle);
    outline: 2px solid var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
}