/* Improve secondary text legibility without flattening the dark theme. */
.io-black-mode {
    --muted-color: #92969d;
    --muted-color3: #858a92;
}

.io-black-mode .content-card .text-muted,
.io-black-mode .sites-item .text-muted {
    color: var(--muted-color) !important;
}

/* Keep random backgrounds as a personality layer instead of the focal layer. */
.header-big.canvas-fx .canvas-bg {
    filter: brightness(0.76) saturate(0.82);
}

.header-big.canvas-fx .search-box-big {
    filter: none;
}

.content-card .btn-more,
.content-card .btn-move {
    font-weight: 600;
    letter-spacing: 0.02em;
}

.content-card .blognavi-more-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    min-height: 32px;
    padding: 0 10px;
    border: 1px solid transparent;
    border-radius: 999px;
    color: var(--muted-color2);
    background: var(--muted-bg-a-color);
    font-size: 12px;
    line-height: 1;
    white-space: nowrap;
    transition: color .18s ease, background-color .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.content-card .blognavi-more-button:hover,
.content-card .blognavi-more-button:focus-visible {
    border-color: rgba(var(--theme-color-rgb), .2);
    color: var(--theme-color);
    background: rgba(var(--theme-color-rgb), .1);
}

.content-card .blognavi-more-button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(var(--theme-color-rgb), .2);
}

.blognavi-more-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 5px;
    border-radius: 999px;
    color: var(--muted-color2);
    background: var(--main-bg-color);
    font-variant-numeric: tabular-nums;
}

.blognavi-more-arrow {
    font-size: 17px;
    line-height: 1;
    transition: transform .18s ease;
}

.blognavi-more-button:hover .blognavi-more-arrow,
.blognavi-more-button:focus-visible .blognavi-more-arrow {
    transform: translateX(2px);
}

.blognavi-more-button[hidden] {
    display: none !important;
}

/* Make authentication state visible without adding another header control. */
.nav-login.is-authenticated > a {
    padding: 4px 8px;
}

.nav-login > a > .blognavi-header-avatar {
    display: block;
    width: 30px;
    height: 30px;
    border: 2px solid rgba(var(--theme-color-rgb), .42);
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 0 0 2px rgba(var(--theme-color-rgb), .08);
    transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.nav-login.is-authenticated:hover > a > .blognavi-header-avatar,
.nav-login.is-authenticated > a:focus-visible > .blognavi-header-avatar {
    border-color: var(--theme-color);
    box-shadow: 0 0 0 3px rgba(var(--theme-color-rgb), .18);
    transform: translateY(-1px);
}

/* Make horizontally scrollable search modes self-evident on narrow screens. */
@media (max-width: 575.98px) {
    .content-card .blognavi-more-button {
        min-height: 36px;
        padding-inline: 11px;
    }

    .header-big .search-list-menu {
        justify-content: flex-start !important;
        padding-right: 36px;
        padding-bottom: 5px;
        -webkit-mask-image: linear-gradient(to right, #000 0, #000 calc(100% - 34px), transparent 100%);
        mask-image: linear-gradient(to right, #000 0, #000 calc(100% - 34px), transparent 100%);
        scroll-padding-inline: 12px;
    }

    .header-big .search-list-menu .search-menu {
        flex: 0 0 auto;
    }

    .header-big .search-list-menu .search-menu.active {
        color: #fff;
        font-weight: 700;
    }

    .header-big .search-form {
        border-radius: 12px;
    }
}

/* Give motion-sensitive visitors a calm, fully usable hero. */
@media (prefers-reduced-motion: reduce) {
    .header-big.canvas-fx {
        background: linear-gradient(135deg, #101729 0%, #07111e 52%, #13251f 100%);
    }

    .header-big.canvas-fx .canvas-bg {
        display: none !important;
    }

    .header-big.canvas-fx *,
    .header-big.canvas-fx *::before,
    .header-big.canvas-fx *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}