/* ========================================
   Category Page
======================================== */

.category-page {
    padding: 48px 0 80px;
}


.category-back-link {
    display: inline-flex;

    margin-bottom: 28px;

    color: #ffffff;

    font-weight: 800;

    transition:
        color 0.2s ease,
        transform 0.2s ease;
}


.category-back-link:hover {
    color: var(--accent);

    transform: translateX(-3px);
}


/* ========================================
   States
======================================== */

.category-state {
    padding: 60px 20px;

    text-align: center;

    color: var(--text-secondary);
}


.category-state-error {
    color: #ffffff;
}


/* ========================================
   Header
======================================== */

.category-page-header {
    padding: 48px 0 40px;
}


.category-page-header h1,
.category-detail-header h1 {
    margin: 10px 0 12px;

    color: #ffffff;

    font-size: clamp(
        2rem,
        5vw,
        3.5rem
    );

    line-height: 1.05;

    letter-spacing: -0.04em;
}


.category-page-header p,
.category-detail-header p {
    max-width: 700px;

    margin: 0;

    color: var(--text-secondary);

    font-size: 1.05rem;
}


/* ========================================
   All categories
======================================== */

.category-browser-grid {
    display: grid;

    grid-template-columns:
        repeat(4, minmax(0, 1fr));

    gap: 16px;
}


.category-browser-card {
    display: flex;

    flex-direction: column;

    min-width: 0;

    padding: 20px;

    background: var(--surface);

    border: 1px solid var(--border);

    border-radius: var(--radius);

    transition:
        background 0.2s ease,
        border-color 0.2s ease,
        transform 0.2s ease;
}


.category-browser-card:hover {
    background: var(--surface-hover);

    border-color: var(--accent);

    transform: translateY(-3px);
}


.category-browser-icon {
    width: 64px;
    height: 64px;

    margin-bottom: 16px;

    overflow: hidden;

    display: grid;
    place-items: center;

    border-radius: 12px;

    background: var(--surface-hover);
}


.category-browser-icon img {
    width: 100%;
    height: 100%;

    display: block;

    object-fit: contain;
}


.category-browser-card h2 {
    margin: 0 0 8px;

    color: #ffffff;

    font-size: 1.1rem;
}


.category-browser-card p {
    margin: 0 0 14px;

    color: var(--text-secondary);

    font-size: 0.82rem;
}


.category-browser-count {
    color: var(--accent);

    font-size: 0.78rem;

    font-weight: 800;
}


/* ========================================
   Category detail
======================================== */

.category-detail-header {
    display: flex;

    align-items: center;

    gap: 24px;

    padding: 32px 0 44px;
}


.category-detail-icon {
    width: 112px;
    height: 112px;

    flex: 0 0 112px;

    overflow: hidden;

    display: grid;
    place-items: center;

    background: var(--surface);

    border: 1px solid var(--border);

    border-radius: 18px;
}


.category-detail-icon img {
    width: 100%;
    height: 100%;

    display: block;

    object-fit: contain;
}


/* ========================================
   Subcategories
======================================== */

.subcategory-section {
    margin-bottom: 44px;
}


.subcategory-section h2 {
    margin: 0 0 16px;

    color: #ffffff;

    font-size: 1.35rem;
}


.subcategories {
    display: flex;

    flex-wrap: wrap;

    gap: 9px;
}


.subcategory-button {
    padding: 8px 13px;

    background: var(--surface);

    border: 1px solid var(--border);

    border-radius: 7px;

    color: #ffffff;

    font-size: 0.8rem;

    font-weight: 800;

    transition:
        background 0.2s ease,
        border-color 0.2s ease,
        color 0.2s ease,
        transform 0.2s ease;
}


.subcategory-button:hover {
    background: var(--surface-hover);

    border-color: var(--accent);

    color: var(--accent);

    transform: translateY(-1px);
}


.subcategory-button.active {
    background: var(--accent);

    border-color: var(--accent);

    color: #000000;

    box-shadow:
        0 0 0 1px rgba(
            59,
            255,
            0,
            0.25
        );
}


/* ========================================
   Applications
======================================== */

.category-apps-header {
    margin-bottom: 20px;
}


.category-apps-header h2 {
    margin: 0;

    color: #ffffff;

    font-size: 1.6rem;
}


.category-apps-header p {
    margin: 6px 0 0;

    color: var(--text-secondary);
}


.category-empty {
    padding: 60px 20px;

    text-align: center;

    color: var(--text-secondary);

    border: 1px dashed var(--border);

    border-radius: var(--radius);
}


/* ========================================
   Responsive
======================================== */

@media (max-width: 1000px) {

    .category-browser-grid {
        grid-template-columns:
            repeat(3, minmax(0, 1fr));
    }

}


@media (max-width: 700px) {

    .category-detail-header {
        align-items: flex-start;

        flex-direction: column;
    }


    .category-browser-grid {
        grid-template-columns:
            repeat(3, minmax(0, 1fr));

        gap: 10px;
    }


    .category-browser-card {
        padding: 14px;
    }


    .category-browser-icon {
        width: 52px;
        height: 52px;
    }


    .category-browser-card h2 {
        font-size: 0.95rem;
    }


    .category-browser-card p {
        font-size: 0.75rem;
    }

}


@media (max-width: 480px) {

    .category-page {
        padding-top: 32px;
    }


    .category-browser-grid {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }


    .category-detail-icon {
        width: 88px;
        height: 88px;

        flex-basis: 88px;
    }

}