/**
 * Platform header + full-width browse layout (YouTube-style).
 */

:root {
    --ms-platform-header-h: 60px;
    --ms-platform-sidebar-w: 240px;
    --ms-platform-content-max: 2200px;
}

body.ms-page-platform {
    --ms-platform-header-h: 60px;
}

body.ms-page-platform .ms-marketing-free-banner {
    display: none;
}

/* Full-width shell — no centered marketing column */
body.ms-page-platform .index-wrap,
body.ms-page-platform .ms-landing-generator-shell {
    max-width: none;
    width: 100%;
}

body.ms-page-platform .index-main,
body.ms-page-platform .index-main.fp-root-main {
    padding-top: 0;
    max-width: none;
}

body.ms-page-platform .index-main.fp-root-main > .index-main-inner {
    padding-top: 0;
    padding-bottom: 24px;
    max-width: none;
    width: 100%;
}

/* Platform header — full bleed, flat bar */
.ms-platform-nav-shell {
    width: 100%;
    background: rgba(8, 8, 12, 0.96);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.ms-platform-header {
    position: relative;
    top: auto;
    background: transparent;
    border-bottom: 0;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.ms-platform-header__inner {
    display: grid;
    grid-template-columns: auto minmax(200px, 1fr) auto;
    align-items: center;
    gap: 12px 20px;
    min-height: var(--ms-platform-header-h);
    padding: 0 16px;
    max-width: none;
    width: 100%;
    margin: 0;
}

.ms-platform-header__brand {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.ms-platform-header__menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.9);
    cursor: pointer;
}

.ms-platform-header__search {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    padding: 4px 4px 4px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.06);
}

.ms-platform-header__search:focus-within {
    border-color: rgba(168, 85, 247, 0.45);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

.ms-feed-header-search__icon {
    flex-shrink: 0;
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.875rem;
}

.ms-feed-header-search__input {
    flex: 1 1 auto;
    min-width: 0;
    border: 0;
    background: transparent;
    color: #fff;
    font-size: 0.9375rem;
    outline: none;
}

.ms-feed-header-search__input::placeholder {
    color: rgba(255, 255, 255, 0.42);
}

.ms-feed-header-search__btn {
    flex: 0 0 auto;
    border: 0;
    border-radius: 999px;
    padding: 8px 16px;
    background: rgba(124, 58, 237, 0.55);
    color: #fff;
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
}

.ms-platform-header__actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
}

.ms-platform-header__actions .index-user-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ms-platform-header__studio-link {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: transparent;
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.8125rem;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.ms-platform-header__studio-link:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(168, 85, 247, 0.35);
    color: #fff;
    text-decoration: none;
}

.ms-platform-header__download-label {
    display: inline;
}

body.ms-page-platform .index-logo-text--compact .index-logo-name {
    font-size: 17px;
}

/* Feed layout with optional sidebar */
.ms-platform-layout {
    display: flex;
    align-items: flex-start;
    gap: 0;
    width: 100%;
    max-width: var(--ms-platform-content-max);
    margin: 0 auto;
    padding: 0 8px 32px;
}

.ms-platform-layout__sidebar {
    display: none;
    flex: 0 0 var(--ms-platform-sidebar-w);
    position: sticky;
    top: var(--ms-platform-header-h);
    align-self: flex-start;
    max-height: calc(100vh - var(--ms-platform-header-h));
    overflow-y: auto;
    padding: 8px 12px 16px 4px;
}

.ms-platform-layout__main {
    flex: 1 1 auto;
    min-width: 0;
}

@media (min-width: 1024px) {
    body.ms-page-platform-with-sidebar .ms-platform-layout__sidebar {
        display: block;
    }

    .ms-platform-header__inner {
        grid-template-columns: minmax(160px, 220px) minmax(320px, 720px) 1fr;
        padding: 0 20px;
    }
}

@media (max-width: 1023px) {
    .ms-platform-header__inner {
        grid-template-columns: auto 1fr auto;
        grid-template-areas:
            "brand actions actions"
            "search search search";
        padding: 8px 12px 10px;
        min-height: 0;
    }

    .ms-platform-header__brand {
        grid-area: brand;
    }

    .ms-platform-header__menu-btn {
        display: inline-flex;
    }

    .ms-platform-header__search {
        grid-area: search;
        max-width: none;
        margin-top: 4px;
    }

    .ms-platform-header__actions {
        grid-area: actions;
    }

    .ms-platform-header__actions .index-mobile-toggle {
        display: none;
    }

    .ms-platform-header__download-label {
        display: none;
    }

    .ms-platform-header__studio-link {
        display: none;
    }
}

@media (max-width: 767px) {
    .ms-feed-header-search__btn {
        padding: 8px 12px;
    }
}