/* ============================================================
   MusicStore — Module & page components
   Sidebar nav (account / information modules), store switcher,
   HTML block, category filter, banner, 404 page.
   ============================================================ */

/* Sidebar nav (account / information modules) */
.ms-sidebar-nav {
    display: flex;
    flex-direction: column;
}

.ms-sidebar-nav__link {
    display: block;
    padding: 11px 4px 11px 12px;
    border-left: 2px solid transparent;
    color: var(--ms-text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: var(--ms-transition);
}

.ms-sidebar-nav__link:hover,
.ms-sidebar-nav__link.is-active {
    color: var(--ms-accent);
    border-left-color: var(--ms-accent);
}

.ms-sidebar-nav__link:focus-visible {
    outline: 2px solid var(--ms-accent);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Store switcher module */
.ms-store-switcher__text {
    margin: 0 0 12px;
    color: var(--ms-text-muted);
    font-size: 13px;
}

.ms-store-switcher__list {
    display: flex;
    flex-direction: column;
}

.ms-store-switcher__link {
    padding: 8px 4px;
    color: var(--ms-text-secondary);
    font-size: 14px;
    transition: var(--ms-transition);
}

.ms-store-switcher__link:hover,
.ms-store-switcher__link.is-active {
    color: var(--ms-accent);
}

/* HTML content module */
.ms-html-block__title {
    margin: 0 0 12px;
    font-size: 18px;
    font-weight: 700;
}

.ms-html-block__content {
    color: var(--ms-text-secondary);
    line-height: 1.6;
}

.ms-html-block__content img {
    max-width: 100%;
    height: auto;
}

/* Category filter module */
.ms-filter__groups {
    margin-top: var(--ms-gap-v);
}

.ms-filter__group {
    padding: 12px 0;
    border-bottom: 1px solid var(--ms-surface-2);
}

.ms-filter__group:last-child {
    border-bottom: none;
}

.ms-filter__group-name {
    margin-bottom: var(--ms-gap-v);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--ms-text-secondary);
}

.ms-filter__options {
    display: flex;
    flex-direction: column;
    gap: var(--ms-gap-v) var(--ms-gap-h);
}

.ms-checkbox {
    display: flex;
    align-items: center;
    gap: var(--ms-gap-v) var(--ms-gap-h);
    cursor: pointer;
    color: var(--ms-text-secondary);
    font-size: 14px;
    transition: var(--ms-transition);
}

.ms-checkbox:hover {
    color: var(--ms-text);
}

.ms-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--ms-accent);
    cursor: pointer;
}

.ms-filter__apply {
    width: 100%;
    margin-top: var(--ms-gap-v);
}

/* Banner module */
.ms-banner {
    position: relative;
    border-radius: var(--ms-radius-md);
    overflow: hidden;
}

.ms-banner__image {
    width: 100%;
    height: auto;
    display: block;
}

/* 404 page */
.ms-404 {
    text-align: center;
    padding: 80px 20px;
    max-width: 560px;
    margin: 0 auto;
}

.ms-404__code {
    font-size: 120px;
    font-weight: 800;
    line-height: 1;
    color: var(--ms-accent);
    letter-spacing: 4px;
}

.ms-404__title {
    margin: 12px 0 8px;
    font-size: 28px;
    font-weight: 700;
}

.ms-404__desc {
    margin: 0 0 28px;
    color: var(--ms-text-secondary);
    font-size: 15px;
}

/* Home Page */
.ms-main {
    min-height: 60vh;
}

.ms-home {
    padding: var(--ms-gap-v) 0;
}

.ms-home__columns {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--ms-gap-v) var(--ms-gap-h);
}

.ms-home__content {
    display: flex;
    flex-direction: column;
    gap: var(--ms-gap-v) var(--ms-gap-h);
    min-width: 0;
}

.ms-home__welcome {
    text-align: center;
    padding: 40px 20px;
}

.ms-home__welcome .ms-section-title {
    margin-bottom: 16px;
}

.ms-home__welcome-text {
    font-size: 16px;
    line-height: 1.7;
    color: var(--ms-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.ms-column-left,
.ms-column-right {
    min-width: 0;
}

@media (max-width: 1024px) {
    .ms-home__columns {
        grid-template-columns: 1fr;
    }
    .ms-column-left,
    .ms-column-right {
        order: 2;
    }
    .ms-home__content {
        order: 1;
    }
}