/* Shared navigation, matching the approved Home design. */
.top-nav.site-nav {
    display: grid;
    z-index: 5;
    grid-template-columns: clamp(12rem, 18vw, 16.5rem) minmax(0, 1fr) auto;
    gap: clamp(0.75rem, 1.5vw, 1.5rem);
    margin-bottom: clamp(0.75rem, 1.3vw, 1.1rem);
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    backdrop-filter: none;
}

.top-nav.site-nav nav {
    min-width: 0;
    margin: 0;
    padding: 0.2rem;
    border: 1px solid rgba(206, 219, 238, 0.9);
    border-radius: 999px;
    background: #fff;
    box-shadow: 0 3px 8px rgba(38, 74, 130, 0.14);
}

.site-nav .nav-brand img {
    width: min(100%, 16.5rem);
    max-width: 16.5rem;
    max-height: 9rem;
    filter: brightness(1.16) saturate(1.12) contrast(1.06) drop-shadow(0 1px 0.5px rgba(12, 42, 79, 0.65));
}

.site-nav .nav-list {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
    width: 100%;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    backdrop-filter: none;
}

.site-nav .nav-list li { min-width: 0; }

.site-nav .nav-list .nav-link {
    width: 100%;
    min-width: 0;
    min-height: 3.5rem;
    padding: 0.6rem 0.4rem;
    border-radius: 999px;
    color: var(--category-ink);
    background: transparent;
    font-family: var(--font-ui);
    font-size: clamp(0.85rem, 1.18vw, 1.1rem);
    font-weight: 800;
    text-shadow: none;
    border: 1px solid transparent;
    box-shadow: none;
    white-space: nowrap;
    transition: background-color 0.18s ease, box-shadow 0.18s ease;
}

.site-nav .nav-link-icon {
    display: block;
    width: 1.6rem;
    height: 1.6rem;
    margin-right: 0.45rem;
    flex-shrink: 0;
    border-radius: 0;
    background: currentColor;
    -webkit-mask: var(--category-icon) center / contain no-repeat;
    mask: var(--category-icon) center / contain no-repeat;
    filter: none;
    box-shadow: none;
}

.site-nav .nav-link::after { content: none; }

.site-nav .nav-list [data-category="home"] {
    --category-ink: #075ff0;
    --category-active: #f3f6ff;
    --category-icon: url('../images/nav-icons/home.png');
}
.site-nav .nav-list [data-category="books"] {
    --category-ink: #7122d2;
    --category-icon: url('../images/nav-icons/books.png');
}
.site-nav .nav-list [data-category="music"] {
    --category-ink: #d7440b;
    --category-icon: url('../images/nav-icons/music-notes.svg');
}
.site-nav .nav-list [data-category="games"] {
    --category-ink: #07833d;
    --category-icon: url('../images/nav-icons/games.png');
}
.site-nav .nav-list [data-category="coloring"] {
    --category-ink: #087a76;
    --category-active: linear-gradient(110deg, #fff0f6, #fff7e6, #eaf9f2, #edf5ff);
    --category-icon: url('../images/nav-icons/coloring.png');
}

/* The Coloring palette stays recognizable in the shared navigation. */
.site-nav [data-category="coloring"] .nav-link-icon {
    background: conic-gradient(#d52b74, #c26900, #128545, #0878b2, #7122d2, #d52b74);
}

.site-nav .nav-coloring-label {
    background: linear-gradient(100deg, #bf206b, #a55300 23%, #09763e 44%, #096daf 64%, #6523be 82%, #b92576);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
@media (forced-colors: active) {
    .site-nav .nav-coloring-label {
        background: none;
        -webkit-text-fill-color: LinkText;
    }
}

.site-nav .nav-parents {
    --category-ink: #c72665;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    min-height: 3.9rem;
    margin-right: clamp(0.6rem, 1.5vw, 1.5rem);
    padding: 0.65rem 1.25rem;
    border: 1px solid rgba(206, 219, 238, 0.9);
    border-radius: 999px;
    background: #fff;
    color: var(--category-ink);
    font-family: var(--font-ui);
    font-size: clamp(0.85rem, 1.18vw, 1.1rem);
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
    box-shadow: 0 3px 8px rgba(38, 74, 130, 0.14);
    transition: background-color 0.18s ease;
}
.site-nav .nav-parents img {
    width: 1.8rem;
    height: 1.8rem;
    object-fit: contain;
}

.site-nav .nav-list li .nav-link.is-active,
.site-nav .nav-list li .nav-link[aria-current="page"] {
    color: var(--category-ink);
    background: var(--category-active, color-mix(in srgb, var(--category-ink) 7%, white));
    border-color: #e8edf6;
    box-shadow: 0 1px 5px rgba(38, 74, 130, 0.1);
}

.site-nav .nav-list li .nav-link:hover,
.site-nav .nav-parents:hover {
    color: var(--category-ink);
    background: color-mix(in srgb, var(--category-ink) 11%, white);
    transform: none;
    filter: none;
}

.site-nav .nav-list .nav-link:focus-visible,
.site-nav .nav-parents:focus-visible {
    outline: 3px solid var(--category-ink);
    outline-offset: 2px;
}

/* The same compact navigation on tablet and phone. */
@media (min-width: 721px) and (max-width: 1180px) {
    .top-nav.site-nav {
        grid-template-columns: clamp(4.5rem, 10vw, 8rem) minmax(0, 1fr) auto;
        gap: 0.5rem;
    }
    .site-nav .nav-brand img { max-height: 5rem; }
    .site-nav .nav-list .nav-link { font-size: 0.85rem; padding-inline: 0.25rem; min-height: 3.25rem; }
    .site-nav .nav-link-icon { width: 1.25rem; height: 1.25rem; margin-right: 0.3rem; }
    .site-nav .nav-parents { margin-right: 0.5rem; padding-inline: 0.7rem; min-height: 3.65rem; font-size: 0.85rem; gap: 0.3rem; }
    .site-nav .nav-parents img { width: 1.4rem; height: 1.4rem; }
}
@media (max-width: 720px) {
    .top-nav.site-nav {
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 0.7rem;
        padding: 0.3rem;
    }
    .site-nav .nav-brand { width: 5.6rem; justify-self: center; }
    .site-nav .nav-brand img { width: 5.6rem; max-height: 3.6rem; object-fit: contain; }
    .top-nav.site-nav nav { grid-column: 1 / -1; grid-row: 2; padding: 0.2rem; }
    .site-nav .nav-list .nav-link {
        flex-direction: column;
        gap: 0.25rem;
        min-height: 3.8rem;
        padding: 0.4rem 0.1rem;
        font-size: 0.8rem;
        line-height: 1.2;
    }
    .site-nav .nav-link-icon { width: 1.3rem; height: 1.3rem; margin: 0; }
    .site-nav .nav-parents { grid-column: 2; grid-row: 1; margin-right: 0.25rem; min-height: 2.75rem; padding: 0.4rem 0.9rem; font-size: 0.85rem; }
    .site-nav .nav-parents img { width: 1.5rem; height: 1.5rem; }
}

.site-nav .nav-parents[aria-current="page"] { background: color-mix(in srgb, var(--category-ink) 7%, white); }

/* Move only an empty pill underneath the menu labels, before normal navigation. */
.site-nav .nav-list.has-button-glide { position: relative; isolation: isolate; }
.site-nav .nav-list.has-button-glide .nav-link { position: relative; z-index: 1; }
.site-nav .nav-list.has-button-glide li .nav-link[aria-current="page"],
.site-nav .nav-list.has-button-glide.is-gliding li .nav-link:hover {
    background: transparent;
    border-color: transparent;
    box-shadow: none;
}
.site-nav .nav-menu-highlight {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 0;
    pointer-events: none;
    border: 1px solid #e8edf6;
    border-radius: 999px;
    background: var(--category-active, color-mix(in srgb, var(--category-ink) 7%, white));
    box-shadow: 0 1px 5px rgba(38, 74, 130, 0.1);
}
.site-nav .nav-list.is-gliding .nav-menu-highlight {
    transition: transform 360ms cubic-bezier(0.22, 1, 0.36, 1), width 360ms ease, height 360ms ease;
}
/* Decorative stars belong to the empty highlight, not its labels or icons. */
.site-nav .nav-menu-highlight::before,
.site-nav .nav-menu-highlight::after {
    content: '✦';
    position: absolute;
    color: #e6a219;
    font-size: 17px;
    line-height: 1;
    opacity: 0;
    pointer-events: none;
}
.site-nav .nav-menu-highlight::before { left: 12%; top: -4px; }
.site-nav .nav-menu-highlight::after { right: 10%; bottom: -4px; font-size: 12px; }
.site-nav .is-gliding .nav-menu-highlight::before,
.site-nav .is-gliding .nav-menu-highlight::after {
    animation: nav-pill-sparkle 360ms ease both;
}
@keyframes nav-pill-sparkle {
    0%, 30%, 100% { opacity: 0; scale: 0.4; rotate: -15deg; }
    65% { opacity: 1; scale: 1.2; rotate: 12deg; }
    85% { opacity: 0.7; scale: 1; rotate: 0deg; }
}
@media (prefers-reduced-motion: reduce) {
    .site-nav .nav-link, .site-nav .nav-parents, .site-nav .nav-brand { transition: none; }
    .site-nav .nav-menu-highlight { display: none; animation: none; transition: none; }
    .site-nav .nav-list.has-button-glide li .nav-link[aria-current="page"] {
        background: var(--category-active, color-mix(in srgb, var(--category-ink) 7%, white));
        border-color: #e8edf6;
        box-shadow: 0 1px 5px rgba(38, 74, 130, 0.1);
    }
}