/* ================================================================
   X Explore–style layout: open left nav · center feed · right rail
   ================================================================ */

body.explore-x .sidebar-collapse-btn {
    display: none !important;
}

body.explore-x .sidebar {
    width: var(--sidebar-width, 260px) !important;
}

body.explore-x .sidebar.collapsed {
    width: var(--sidebar-width, 260px) !important;
}

body.explore-x .sidebar.collapsed .sidebar-logo h1,
body.explore-x .sidebar.collapsed .nav-item span:not(.nav-badge),
body.explore-x .sidebar.collapsed .user-info,
body.explore-x .sidebar.collapsed .user-name,
body.explore-x .sidebar.collapsed .user-username,
body.explore-x .sidebar.collapsed .logo-full {
    display: revert !important;
    opacity: 1 !important;
    width: auto !important;
    height: auto !important;
    overflow: visible !important;
}

body.explore-x .sidebar.collapsed .logo-icon {
    display: none !important;
}

body.explore-x.sidebar-collapsed .main-content,
body.explore-x .main-content {
    margin-left: var(--sidebar-width, 260px) !important;
}

@media (max-width: 1024px) {
    body.explore-x.sidebar-collapsed .main-content,
    body.explore-x .main-content {
        margin-left: 0 !important;
    }
}

.main-content.explore-main {
    display: block !important;
    padding: 0 !important;
    max-width: none !important;
    background: var(--bg-secondary, #f4f7fa);
}

.sx-wrap {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    min-height: 100vh;
    background: transparent;
}

.sx-center {
    flex: 1;
    min-width: 0;
    width: 100%;
    background: var(--bg-primary, #fff);
    border-left: 1px solid var(--border-light, #e8eef3);
    border-right: 1px solid var(--border-light, #e8eef3);
    position: relative;
}

.sx-rail {
    display: none;
}

.sx-tabs {
    display: flex;
    border-top: 1px solid var(--border-light, #e8eef3);
    margin: 0 -0.15rem;
}

.sx-tab {
    flex: 1;
    padding: 0.85rem 0.5rem;
    border: none;
    background: transparent;
    color: var(--text-secondary, #64748b);
    font-size: 0.92rem;
    font-weight: 650;
    cursor: pointer;
    position: relative;
}

.sx-tab.is-on {
    color: var(--text-primary, #0f172a);
    font-weight: 800;
}

.sx-tab.is-on::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 56px;
    height: 3px;
    border-radius: 99px;
    background: var(--primary, #0a66c2);
}

.sx-panel[hidden] { display: none !important; }

.sx-rail .sx-guest-body {
    padding: 0.85rem 1.15rem 1.15rem;
}

.sx-rail .sx-guest-body p {
    margin: 0 0 0.85rem;
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.45;
}

/* Compact guest CTA — never clipped by rail overflow */
.sx-guest-card {
    flex-shrink: 0 !important;
    overflow: visible !important;
}
.sx-guest-inner {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.95rem 1.1rem 1.05rem;
}
.sx-guest-title {
    margin: 0 0 0.2rem;
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--text-primary);
}
.sx-guest-copy p {
    margin: 0;
    font-size: 0.82rem;
    line-height: 1.4;
    color: var(--text-secondary);
}
.sx-guest-actions {
    display: flex;
    gap: 0.45rem;
}
.sx-guest-actions .sx-rail-cta {
    flex: 1;
    margin: 0;
    padding: 0.5rem 0.65rem;
    white-space: nowrap;
}

.sx-rail-cta {
    display: block;
    text-align: center;
    padding: 0.55rem 0.85rem;
    border-radius: 999px;
    background: var(--primary, #0a66c2);
    color: #fff !important;
    font-weight: 750;
    font-size: 0.88rem;
    text-decoration: none;
    margin-bottom: 0.45rem;
}

.sx-rail-cta--ghost {
    background: transparent;
    color: var(--primary, #0a66c2) !important;
    border: 1.5px solid var(--border-light, #e8eef3);
}

.sx-see-all {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary, #0a66c2);
    text-decoration: none;
    white-space: nowrap;
}
.sx-see-all:hover { text-decoration: underline; }

.sx-widget-foot {
    display: block;
    padding: 0.85rem 1.25rem;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--primary, #0a66c2);
    text-decoration: none;
    border-top: 1px solid var(--border-light, #e8eef3);
}

.sx-widget-foot:hover {
    background: var(--bg-hover);
}

.sx-rail-loading,
.sx-rail-empty {
    padding: 1rem 1.25rem;
    color: var(--text-tertiary);
    font-size: 0.85rem;
    text-align: center;
}

.sx-trend {
    width: 100%;
    border: none;
    background: transparent;
    text-align: left;
}

.sx-trend-copy { min-width: 0; }

.sx-suggest {
    justify-content: space-between;
}

.sx-suggest-main {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
    flex: 1;
    text-decoration: none;
    color: inherit;
}

.suggestion-follow {
    flex-shrink: 0;
    padding: 0.4rem 0.95rem;
    border-radius: 999px;
    border: 1.5px solid transparent;
    /* Solid primary + light label — readable in light and dark (no white-on-white) */
    background: var(--primary, #0a66c2) !important;
    color: #fff !important;
    font-size: 0.78rem;
    font-weight: 750;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s, opacity 0.15s;
    -webkit-appearance: none;
    appearance: none;
}

.suggestion-follow:hover {
    background: var(--primary-hover, #004182) !important;
    color: #fff !important;
    opacity: 0.96;
}

.suggestion-follow.is-following {
    background: transparent !important;
    color: var(--text-primary, #e7e9ea) !important;
    border-color: var(--border-light, #2f3336) !important;
}

[data-theme="dark"] .suggestion-follow {
    background: var(--primary, #1d9bf0) !important;
    color: #fff !important;
    border-color: transparent !important;
}

[data-theme="dark"] .suggestion-follow:hover {
    background: color-mix(in srgb, var(--primary, #1d9bf0) 85%, #fff) !important;
    color: #fff !important;
}

[data-theme="dark"] .suggestion-follow.is-following {
    background: transparent !important;
    color: var(--text-primary, #e7e9ea) !important;
    border-color: var(--border-light, #2f3336) !important;
}

@media (min-width: 1200px) {
    .sx-wrap {
        flex-direction: row;
        align-items: flex-start;
        justify-content: center;
        gap: 1rem;
        padding: 0.75rem 1rem 1.5rem;
        max-width: 1180px;
    }

    .sx-center {
        flex: 0 1 600px;
        max-width: 600px;
        min-height: calc(100vh - 1.5rem);
        border-radius: 16px;
        border: 1px solid var(--border-light, #e8eef3);
        overflow: hidden;
        position: sticky;
        top: 0.75rem;
        align-self: flex-start;
        max-height: calc(100vh - 1.5rem);
        overflow-y: auto;
        overscroll-behavior: contain;
    }

    .sx-rail.right-sidebar {
        display: flex !important;
        flex-direction: column;
        width: 320px !important;
        flex-shrink: 0;
        position: sticky;
        top: 0.75rem;
        max-height: calc(100vh - 1.5rem);
        overflow-y: auto;
        overflow-x: hidden;
        overscroll-behavior: contain;
        padding: 0;
        gap: 0.85rem;
        align-self: flex-start;
    }

    .sx-mobile-only { display: none !important; }
    .sx-guest-mobile { display: none !important; }
}

@media (min-width: 1400px) {
    .sx-wrap { max-width: 1240px; gap: 1.25rem; }
    .sx-center { flex-basis: 640px; max-width: 640px; }
    .sx-rail.right-sidebar { width: 340px !important; }
}

/* ================================================================
   Search Discover — polished mobile + desktop (app-parity)
   Isolated from legacy search.css to avoid style fights.
   ================================================================ */

.search-page.search-page--discover {
    --sd-max: 100%;
    --sd-radius: 14px;
    --sd-gap: 1rem;
    --sd-ink: var(--text-primary, #0f172a);
    --sd-muted: var(--text-secondary, #64748b);
    --sd-faint: var(--text-tertiary, #94a3b8);
    --sd-line: var(--border-light, #e8eef3);
    --sd-surface: var(--bg-primary, #fff);
    --sd-wash: transparent;
    --sd-chip: var(--bg-tertiary, #eef2f6);
    --sd-brand: var(--primary, #0a66c2);
    min-height: 100vh;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
    background: transparent !important;
    overflow-x: hidden;
}

.search-page--discover * { box-sizing: border-box; }

/* ── Sticky search header ─────────────────────────────────────── */
.search-page--discover .sd-top {
    position: sticky;
    top: 0;
    z-index: 120;
    background: color-mix(in srgb, var(--sd-surface) 92%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--sd-line);
}

.search-page--discover .sd-top-inner {
    max-width: none;
    margin: 0 auto;
    padding: 0.85rem 1rem 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.55rem;
}

.search-page--discover .sd-back {
    width: 2.35rem;
    height: 2.35rem;
    border-radius: 50%;
    border: none;
    background: var(--sd-chip);
    color: var(--sd-ink);
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
}
.search-page--discover .sd-back.is-on { display: inline-flex; }
.search-page--discover .sd-back:hover { background: var(--bg-hover, #e2e8f0); }

.search-page--discover .sd-search {
    flex: 1;
    position: relative;
    min-width: 0;
}

.search-page--discover .sd-search > i {
    position: absolute;
    left: 0.95rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--sd-faint);
    pointer-events: none;
    font-size: 1rem;
}

.search-page--discover .sd-input {
    width: 100%;
    padding: 0.78rem 2.6rem 0.78rem 2.6rem;
    border: 1.5px solid transparent;
    border-radius: 999px;
    background: var(--sd-chip);
    color: var(--sd-ink);
    font-size: 0.95rem;
    font-weight: 500;
    outline: none;
    transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}

.search-page--discover .sd-input::placeholder {
    color: var(--sd-faint);
    font-weight: 450;
}

.search-page--discover .sd-input:focus {
    /* Keep theme-aware fill — don't flip to a flat white surface in dark mode */
    background: var(--sd-chip);
    border-color: color-mix(in srgb, var(--sd-brand) 45%, transparent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--sd-brand) 14%, transparent);
    color: var(--sd-ink);
}

[data-theme="dark"] .search-page.search-page--discover {
    --sd-chip: var(--bg-tertiary, #16181c);
    --sd-surface: var(--bg-primary, #000);
    --sd-line: var(--border-light, #2f3336);
    --sd-ink: var(--text-primary, #e7e9ea);
    --sd-muted: var(--text-secondary, #71767b);
    --sd-faint: var(--text-tertiary, #71767b);
}

[data-theme="dark"] .sx-center {
    background: var(--bg-primary, #000);
    border-color: var(--border-light, #2f3336);
}

[data-theme="dark"] .sx-rail .widget {
    background: var(--bg-primary, #000);
    border-color: var(--border-light, #2f3336);
}

[data-theme="dark"] .search-page--discover .account-item,
[data-theme="dark"] .search-page--discover .hashtag-item {
    color: var(--text-primary, #e7e9ea);
}

[data-theme="dark"] .search-page--discover .account-name,
[data-theme="dark"] .search-page--discover .hashtag-name {
    color: var(--text-primary, #e7e9ea);
}

[data-theme="dark"] .search-page--discover .account-username,
[data-theme="dark"] .search-page--discover .hashtag-count {
    color: var(--text-secondary, #71767b);
}

[data-theme="dark"] .search-page--discover .sd-input,
[data-theme="dark"] .search-page--discover .sd-input:focus {
    background: var(--sd-chip);
    color: var(--text-primary, #f1f5f9);
    caret-color: var(--text-primary, #f1f5f9);
}

[data-theme="dark"] .search-page--discover .sd-input:focus {
    border-color: color-mix(in srgb, var(--sd-brand) 55%, transparent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--sd-brand) 22%, transparent);
}

.search-page--discover .sd-clear {
    position: absolute;
    right: 0.7rem;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: transparent;
    color: var(--sd-faint);
    cursor: pointer;
    display: none;
    padding: 0.25rem;
    font-size: 1.05rem;
}
.search-page--discover .sd-clear.is-on { display: inline-flex; }
.search-page--discover .sd-clear:hover { color: var(--sd-ink); }

/* ── Body ─────────────────────────────────────────────────────── */
.search-page--discover .sd-body {
    max-width: var(--sd-max);
    margin: 0 auto;
    padding: 0.85rem 1rem 6.5rem;
}

.search-page--discover .sd-guest {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.9rem 1rem;
    margin-bottom: 1.15rem;
    border-radius: 16px;
    background: var(--sd-surface);
    border: 1px solid var(--sd-line);
}
.search-page--discover .sd-guest-ico {
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 12px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--sd-brand) 12%, transparent);
    color: var(--sd-brand);
    font-size: 1.05rem;
}
.search-page--discover .sd-guest-copy { flex: 1; min-width: 0; }
.search-page--discover .sd-guest-copy strong {
    display: block;
    font-size: 0.92rem;
    font-weight: 750;
    color: var(--sd-ink);
    margin-bottom: 0.15rem;
}
.search-page--discover .sd-guest-copy span {
    display: block;
    font-size: 0.8rem;
    color: var(--sd-muted);
    line-height: 1.4;
}
.search-page--discover .sd-guest-cta {
    flex-shrink: 0;
    align-self: center;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    border: none;
    background: var(--sd-brand);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
}
.search-page--discover .sd-guest-cta:hover { opacity: 0.92; color: #fff; }

.search-page--discover .sd-section {
    margin-bottom: 1.5rem;
}

.search-page--discover .sd-section-title {
    margin: 0 0 0.85rem;
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--sd-ink);
}

.search-page--discover .sd-block {
    margin-bottom: 1.15rem;
}

.search-page--discover .sd-block-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.65rem;
}

.search-page--discover .sd-block-title {
    margin: 0;
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--sd-ink);
}

.search-page--discover .sd-see-all {
    display: inline-flex;
    align-items: center;
    padding: 0.28rem 0.7rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--sd-brand);
    background: color-mix(in srgb, var(--sd-brand) 9%, transparent);
    text-decoration: none;
}
.search-page--discover .sd-see-all:hover {
    background: color-mix(in srgb, var(--sd-brand) 16%, transparent);
    color: var(--sd-brand);
    text-decoration: none;
}

/* Videos — horizontal strip */
.search-page--discover .sd-videos {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.65rem;
    overflow-x: auto;
    padding: 0.15rem 0 0.35rem;
    margin: 0 -0.15rem;
    padding-left: 0.15rem;
    padding-right: 0.15rem;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}
.search-page--discover .sd-videos::-webkit-scrollbar { display: none; }

/* Shared horizontal strips (Campus pulse + Who to follow) */
.search-page--discover .sd-hscroll {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.65rem;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0.15rem 0.15rem 0.45rem;
    margin: 0 -0.15rem;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    scroll-snap-type: x proximity;
}
.search-page--discover .sd-hscroll::-webkit-scrollbar { display: none; }

/* Campus pulse — topic cards */
.search-page--discover .sd-topic-card {
    flex: 0 0 auto;
    width: min(168px, 72vw);
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.28rem;
    padding: 0.85rem 0.95rem;
    border-radius: 14px;
    border: 1px solid var(--sd-line);
    background: var(--sd-surface);
    color: inherit;
    text-align: left;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.06);
    transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.search-page--discover .sd-topic-card:hover {
    transform: translateY(-1px);
    border-color: color-mix(in srgb, var(--sd-brand) 35%, var(--sd-line));
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.1);
}
.search-page--discover .sd-topic-rank {
    font-size: 0.68rem;
    font-weight: 650;
    color: var(--sd-faint);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}
.search-page--discover .sd-topic-tag {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--sd-ink);
    line-height: 1.2;
    word-break: break-word;
}
.search-page--discover .sd-topic-count {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--sd-muted);
}

/* Who to follow — person cards */
.search-page--discover .sd-person-card {
    flex: 0 0 auto;
    width: min(148px, 62vw);
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.55rem;
    padding: 0.95rem 0.75rem 0.85rem;
    border-radius: 14px;
    border: 1px solid var(--sd-line);
    background: var(--sd-surface);
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.06);
}
.search-page--discover .sd-person-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.28rem;
    width: 100%;
    text-decoration: none;
    color: inherit;
    min-width: 0;
}
.search-page--discover .sd-person-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--sd-chip);
    border: 2px solid color-mix(in srgb, var(--sd-brand) 18%, transparent);
}
.search-page--discover .sd-person-name {
    font-size: 0.84rem;
    font-weight: 750;
    color: var(--sd-ink);
    text-align: center;
    line-height: 1.2;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.search-page--discover .sd-person-name .verified-badge {
    font-size: 0.78rem;
    color: var(--sd-brand);
}
.search-page--discover .sd-person-user {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--sd-muted);
    text-align: center;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.search-page--discover .sd-person-follow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 88px;
    padding: 0.38rem 0.85rem;
    border-radius: 999px;
    border: 1.5px solid transparent;
    background: var(--sd-brand) !important;
    color: #fff !important;
    font-size: 0.76rem;
    font-weight: 750;
    text-decoration: none;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
}
.search-page--discover .sd-person-follow:hover {
    opacity: 0.94;
    color: #fff !important;
}
.search-page--discover .sd-person-follow.is-following {
    background: transparent !important;
    color: var(--sd-ink) !important;
    border-color: var(--sd-line) !important;
}

.search-page--discover .sd-topic-skel,
.search-page--discover .sd-person-skel {
    flex: 0 0 148px;
    height: 108px;
    border-radius: 14px;
    background: linear-gradient(90deg, var(--sd-chip) 25%, color-mix(in srgb, var(--sd-chip) 60%, #fff) 50%, var(--sd-chip) 75%);
    background-size: 200% 100%;
    animation: sd-shimmer 1.2s ease infinite;
}
.search-page--discover .sd-person-skel { height: 168px; }

@keyframes sd-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Desktop rail: feed-style vertical lists with internal scroll */
.sx-rail .sx-widget-scroll {
    padding: 0 !important;
    max-height: min(42vh, 420px);
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}
.sx-rail .sx-widget-scroll::-webkit-scrollbar { width: 5px; }
.sx-rail .sx-widget-scroll::-webkit-scrollbar-thumb {
    background: var(--border-light, #d0d7de);
    border-radius: 999px;
}

.sx-vlist {
    display: flex;
    flex-direction: column;
}

.sx-trend-row {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1.15rem;
    border: none;
    background: transparent;
    text-align: left;
    cursor: pointer;
    color: inherit;
    transition: background 0.15s;
}
.sx-trend-row:hover { background: var(--bg-hover); }
.sx-trend-row:not(:last-child) {
    border-bottom: 1px solid var(--border-light, #e8eef3);
}
.sx-trend-main {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.12rem;
}
.sx-trend-tag {
    font-size: 0.92rem;
    font-weight: 750;
    color: var(--text-primary);
    line-height: 1.25;
}
.sx-trend-count {
    font-size: 0.78rem;
    color: var(--text-tertiary);
}

.sx-person-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.65rem;
    padding: 0.7rem 1.15rem;
}
.sx-person-row:not(:last-child) {
    border-bottom: 1px solid var(--border-light, #e8eef3);
}
.sx-person-row:hover { background: var(--bg-hover); }
.sx-person-main {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    color: inherit;
    min-width: 0;
}
.sx-person-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    object-fit: cover;
}
.sx-person-meta {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}
.sx-person-name {
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sx-person-user {
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sx-follow-btn {
    flex-shrink: 0;
    min-width: 4.5rem;
    padding: 0.32rem 0.75rem;
    border-radius: 20px;
    border: 1.5px solid var(--primary, #0a66c2);
    background: transparent;
    color: var(--primary, #0a66c2);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: background 0.15s, color 0.15s;
}
.sx-follow-btn:hover {
    background: var(--primary, #0a66c2);
    color: #fff;
}
.sx-follow-btn.is-following,
.sx-follow-btn.following {
    background: var(--primary, #0a66c2);
    color: #fff;
}
.sx-follow-btn--ghost {
    border-color: var(--border-light, #e8eef3);
    color: var(--text-secondary);
}
.sx-follow-btn--ghost:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.sx-rail .sx-rail-hscroll {
    padding-left: 1rem;
    padding-right: 1rem;
    margin: 0;
}
.sx-rail .sd-topic-card { width: 148px; }
.sx-rail .sd-person-card { width: 132px; }

[data-theme="dark"] .search-page--discover .sd-topic-card,
[data-theme="dark"] .search-page--discover .sd-person-card {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
    background: var(--bg-tertiary, #16181c);
    border-color: var(--border-color, #2f3336);
}

.search-page--discover .sd-video {
    flex: 0 0 118px;
    width: 118px;
    height: 148px;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    background: #0f172a;
    border: none;
    padding: 0;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.12);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.search-page--discover .sd-video:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.18);
}
.search-page--discover .sd-video img,
.search-page--discover .sd-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none;
}
.search-page--discover .sd-video-play {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, transparent 45%, rgba(0,0,0,0.35) 100%);
    pointer-events: none;
}
.search-page--discover .sd-video-play span {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    backdrop-filter: blur(4px);
}

/* Grouped list surface (topics + people) */
.search-page--discover .sd-list {
    background: var(--sd-surface);
    border: 1px solid var(--sd-line);
    border-radius: 16px;
    overflow: hidden;
}

.search-page--discover .sd-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.8rem 0.9rem;
    border: none;
    border-bottom: 1px solid var(--sd-line);
    background: transparent;
    color: inherit;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
}
.search-page--discover .sd-row:last-child { border-bottom: none; }
.search-page--discover .sd-row:hover { background: color-mix(in srgb, var(--sd-brand) 4%, transparent); }

.search-page--discover .sd-row-ico {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--sd-brand) 10%, transparent);
    color: var(--sd-brand);
    font-size: 1rem;
}

.search-page--discover .sd-row-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    background: var(--sd-chip);
}

.search-page--discover .sd-row-copy {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.12rem;
}

.search-page--discover .sd-row-title {
    font-size: 0.9rem;
    font-weight: 720;
    color: var(--sd-ink);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.search-page--discover .sd-row-title .verified-badge {
    color: var(--sd-brand);
    font-size: 0.82rem;
}

.search-page--discover .sd-row-sub {
    font-size: 0.76rem;
    color: var(--sd-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-page--discover .sd-row-chevron {
    color: var(--sd-faint);
    font-size: 0.85rem;
    flex-shrink: 0;
}

.search-page--discover .sd-row-action {
    flex-shrink: 0;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--sd-brand);
    background: color-mix(in srgb, var(--sd-brand) 8%, transparent);
    border: none;
    border-radius: 999px;
    padding: 0.35rem 0.75rem;
    cursor: pointer;
    text-decoration: none;
}
.search-page--discover .sd-row-action:hover {
    background: color-mix(in srgb, var(--sd-brand) 14%, transparent);
    color: var(--sd-brand);
}
.search-page--discover .sd-row-action.is-following {
    color: var(--sd-muted);
    background: var(--sd-chip);
}

.search-page--discover .sd-empty {
    padding: 1.25rem 1rem;
    text-align: center;
    color: var(--sd-muted);
    font-size: 0.85rem;
}

.search-page--discover .sd-skel {
    height: 58px;
    border-bottom: 1px solid var(--sd-line);
    background: linear-gradient(90deg, var(--sd-surface) 25%, var(--sd-chip) 50%, var(--sd-surface) 75%);
    background-size: 200% 100%;
    animation: sdSkel 1.35s infinite;
}
.search-page--discover .sd-skel:last-child { border-bottom: none; }
.search-page--discover .sd-video-skel {
    flex: 0 0 118px;
    width: 118px;
    height: 148px;
    border-radius: 12px;
    background: linear-gradient(90deg, #dbe3ea 25%, #eef2f6 50%, #dbe3ea 75%);
    background-size: 200% 100%;
    animation: sdSkel 1.35s infinite;
}
@keyframes sdSkel {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Hide legacy chrome if still present */
.search-page--discover .search-hero::before,
.search-page--discover .sh-titles,
.search-page--discover .sh-tabs { display: none !important; }

/* Desktop refinements */
@media (min-width: 1025px) {
    .search-page--discover {
        --sd-max: 100%;
    }
    .search-page--discover .sd-top-inner,
    .search-page--discover .sd-body {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
    .search-page--discover .sd-video,
    .search-page--discover .sd-video-skel {
        flex-basis: 132px;
        width: 132px;
        height: 164px;
    }
    .search-page--discover .sd-section-title {
        font-size: 1.3rem;
    }
}

/* ================================================================
   Video theater — industry pattern (Instagram/TikTok/YouTube Shorts web):
   immersive viewport overlay; desktop = centered portrait stage,
   NOT browser Fullscreen API by default.
   ================================================================ */
@media (min-width: 1025px) {
    #videoModal.video-modal {
        display: none;
        align-items: center !important;
        justify-content: center !important;
        background: rgba(2, 6, 23, 0.88) !important;
        backdrop-filter: blur(6px);
    }
    #videoModal.video-modal[style*="display: flex"],
    #videoModal.video-modal[style*="display:flex"] {
        display: flex !important;
    }

    #videoModal #modalVideo {
        position: relative !important;
        inset: auto !important;
        width: min(420px, 36vw) !important;
        height: min(92vh, 860px) !important;
        max-height: 92vh !important;
        border-radius: 16px !important;
        object-fit: cover !important;
        box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
        z-index: 10000 !important;
    }

    #videoModal #videoLoadingSkeleton {
        position: absolute !important;
        inset: auto !important;
        width: min(420px, 36vw) !important;
        height: min(92vh, 860px) !important;
        border-radius: 16px !important;
        overflow: hidden;
    }

    #videoModal #videoOverlay {
        left: 50% !important;
        right: auto !important;
        transform: translateX(-50%);
        width: min(420px, 36vw) !important;
        border-radius: 0 0 16px 16px;
        padding-bottom: 3.25rem !important;
    }

    #videoModal #videoProgressContainer {
        left: 50% !important;
        right: auto !important;
        transform: translateX(-50%);
        width: min(420px, 36vw) !important;
        border-radius: 0 0 16px 16px;
        overflow: hidden;
    }

    /* Keep actions next to the stage, not stuck to the screen edge */
    #videoModal .vm-actions {
        right: calc(50% - min(210px, 18vw) - 4.25rem) !important;
    }
}

/* Results / history overlays stay inside center column, below sticky search header */
.search-page--discover .search-results-overlay,
.search-page--discover .search-history-overlay {
    position: absolute;
    top: var(--sx-hdr-h, 72px);
    left: 0;
    right: 0;
    bottom: 0;
    max-width: none;
    transform: none;
    width: auto;
    background: var(--sd-surface, var(--bg-primary, #fff));
    border: none;
    z-index: 40;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.search-page--discover .sx-center {
    position: relative;
}

/* Hide discovery For you / Campus tabs while searching (app result tabs take over) */
.search-page--discover.is-searching .sx-tabs {
    display: none;
}

.search-page--discover .search-tabs-row {
    display: flex;
    align-items: stretch;
    background: var(--sd-surface, #fff);
    border-bottom: 1px solid var(--sd-line, #e8eef3);
    position: sticky;
    top: 0;
    z-index: 2;
}
.search-page--discover .search-tabs {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    background: transparent;
    border-bottom: none;
    position: static;
    flex: 1;
    min-width: 0;
    gap: 0;
    padding: 0 0.35rem;
}
.search-page--discover .search-tabs::-webkit-scrollbar { display: none; }

.search-page--discover .search-tab {
    flex: 0 0 auto;
    border-radius: 0;
    border-bottom: 2px solid transparent;
    font-weight: 650;
    color: var(--sd-muted, #64748b);
    white-space: nowrap;
    padding: 0.85rem 0.9rem;
    min-width: max-content;
}

.search-page--discover .search-tab.active {
    color: var(--sd-brand, #0a66c2);
    border-bottom-color: var(--sd-brand, #0a66c2);
    background: transparent;
}

.search-page--discover .search-tab-content {
    background: var(--sd-surface, var(--bg-primary));
    min-height: auto;
    max-height: none;
    padding: 0.35rem 0 1.5rem;
}

.search-page--discover .recent-header {
    background: var(--sd-surface, var(--bg-primary));
    border-bottom-color: var(--sd-line, var(--border-light));
}
.search-page--discover .recent-header h3 {
    color: var(--sd-ink, var(--text-primary));
    font-size: 1rem;
}
.search-page--discover .clear-all-btn {
    color: var(--sd-brand, var(--primary));
}

.search-page--discover .history-ico {
    background: var(--sd-chip, var(--bg-secondary)) !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
    color: var(--sd-muted);
    font-size: 1.1rem;
}
.search-page--discover .history-remove {
    border: none;
    background: transparent;
    color: var(--sd-faint);
    cursor: pointer;
    padding: 0.35rem;
    border-radius: 8px;
}
.search-page--discover .history-remove:hover {
    color: var(--sd-ink);
    background: var(--sd-chip);
}

/* For You post cards */
.search-page--discover .sr-post-list {
    display: flex;
    flex-direction: column;
}
.search-page--discover .sr-post {
    padding: 0.85rem 1rem 1rem;
    border-bottom: 1px solid var(--sd-line, var(--border-light));
}
.search-page--discover .sr-post-author {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    color: inherit;
    margin-bottom: 0.55rem;
}
.search-page--discover .sr-post-author img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}
.search-page--discover .sr-post-author strong {
    display: block;
    font-size: 0.92rem;
    color: var(--sd-ink, var(--text-primary));
}
.search-page--discover .sr-post-author em {
    font-style: normal;
    font-size: 0.78rem;
    color: var(--sd-muted);
}
.search-page--discover .sr-post-body {
    display: block;
    text-decoration: none;
    color: inherit;
}
.search-page--discover .sr-post-caption {
    margin: 0 0 0.65rem;
    font-size: 0.92rem;
    line-height: 1.45;
    color: var(--sd-ink, var(--text-primary));
    white-space: pre-wrap;
}
.search-page--discover .sr-post-media {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    background: var(--sd-chip);
    max-height: 420px;
}
.search-page--discover .sr-post-media img {
    width: 100%;
    display: block;
    object-fit: cover;
    max-height: 420px;
}

/* For You / campus posts — same card + footer actions as feed */
.search-page--discover .sr-post-list .post.sr-feed-post {
    margin: 0;
    border-radius: 0;
    box-shadow: none;
}
.search-page--discover .sr-feed-video {
    position: relative;
}
.search-page--discover .sr-feed-video .sr-play {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

/* Media masonry-ish grid — 3 per row on web, 2 on small phones */
.search-page--discover .sr-media-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px;
    padding: 4px;
}
@media (min-width: 640px) {
    .search-page--discover .sr-media-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

/* Explore / suggestions header inside result tabs */
.search-page--discover .sr-explore-head {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.9rem 1rem 0.55rem;
}
.search-page--discover .sr-explore-head > i {
    flex-shrink: 0;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--sd-chip, rgba(10, 102, 194, 0.08));
    color: var(--primary, #0a66c2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}
.search-page--discover .sr-explore-head strong {
    display: block;
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--text-primary, var(--sd-ink));
    line-height: 1.25;
}
.search-page--discover .sr-explore-head em {
    display: block;
    font-style: normal;
    font-size: 0.78rem;
    color: var(--text-tertiary, #7c8b9a);
}

/* "Suggested for you" block appended under empty search results */
.search-page--discover .sr-suggest {
    margin-top: 0.5rem;
    border-top: 1px solid var(--border-light, #e8eef3);
}

/* ===== Tags tab — list with hash badges ===== */
.search-page--discover .sr-tag-list {
    display: flex;
    flex-direction: column;
    padding: 0.25rem 0 0.5rem;
}
.search-page--discover .sr-tag-row {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.75rem;
    padding: 0.72rem 1rem;
    text-decoration: none;
    color: inherit;
    transition: background 0.15s;
}
.search-page--discover .sr-tag-row:not(:last-child) {
    border-bottom: 1px solid var(--border-light, #e8eef3);
}
.search-page--discover .sr-tag-row:hover {
    background: var(--bg-hover, rgba(10, 102, 194, 0.05));
}
.search-page--discover .sr-tag-ico {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: color-mix(in srgb, var(--primary, #0a66c2) 12%, transparent);
    color: var(--primary, #0a66c2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
}
.search-page--discover .sr-tag-meta {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.12rem;
}
.search-page--discover .sr-tag-name {
    font-size: 0.95rem;
    font-weight: 750;
    color: var(--text-primary);
    line-height: 1.25;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.search-page--discover .sr-tag-count {
    font-size: 0.78rem;
    color: var(--text-tertiary, #7c8b9a);
}
.search-page--discover .sr-tag-arrow {
    color: var(--text-tertiary, #7c8b9a);
    font-size: 1rem;
    transition: transform 0.15s, color 0.15s;
}
.search-page--discover .sr-tag-row:hover .sr-tag-arrow {
    color: var(--primary, #0a66c2);
    transform: translateX(2px);
}

[data-theme="dark"] .search-page--discover .sr-tag-ico {
    background: rgba(29, 155, 240, 0.15);
    color: #1d9bf0;
}
[data-theme="dark"] .search-page--discover .sr-tag-name {
    color: var(--text-primary, #e7e9ea);
}
[data-theme="dark"] .search-page--discover .sr-tag-count,
[data-theme="dark"] .search-page--discover .sr-tag-arrow {
    color: var(--text-secondary, #71767b);
}
.search-page--discover .sr-media-cell {
    position: relative;
    display: block;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: var(--sd-chip);
    border-radius: 4px;
}
.search-page--discover .sr-media-cell img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.search-page--discover .sr-play {
    position: absolute;
    inset: 50% auto auto 50%;
    transform: translate(-50%, -50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.55);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.search-page--discover .sr-section-label {
    padding: 0.85rem 1rem 0.4rem;
    font-size: 0.82rem;
    font-weight: 800;
    color: var(--sd-ink);
}
.search-page--discover .sr-school-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0.25rem 1rem 0.75rem;
}
.search-page--discover .sr-school-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: var(--sd-chip);
    color: var(--sd-ink);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 650;
}
.search-page--discover .sr-campus-thumbs {
    display: flex;
    gap: 0.55rem;
    overflow-x: auto;
    padding: 0.35rem 1rem 1rem;
    scrollbar-width: none;
}
.search-page--discover .sr-campus-thumbs::-webkit-scrollbar { display: none; }
.search-page--discover .sr-campus-thumb {
    flex: 0 0 112px;
    width: 112px;
    height: 170px;
    border-radius: 10px;
    overflow: hidden;
    background: var(--sd-chip);
}
.search-page--discover .sr-campus-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.search-page--discover .sr-empty {
    padding: 3rem 1.25rem;
    text-align: center;
    color: var(--sd-muted);
}
.search-page--discover .sr-empty i {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.75rem;
    color: var(--sd-faint);
}

.media-kind-filter {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    padding: 0 0.65rem 0 0.25rem;
}
.media-kind-filter[hidden] { display: none !important; }
.media-kind-filter select {
    appearance: none;
    -webkit-appearance: none;
    background: var(--sd-chip, var(--bg-secondary, #f1f5f9)) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 16 16'%3E%3Cpath fill='%2364748b' d='M4 6l4 4 4-4'/%3E%3C/svg%3E") no-repeat right 0.45rem center;
    border: 1px solid var(--sd-line, var(--border-light, #e8eef3));
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 650;
    color: var(--sd-muted, #64748b);
    padding: 0.28rem 1.4rem 0.28rem 0.7rem;
    cursor: pointer;
}