/* =========================================================================
   Announcements & Changelog Page - ارزپایا
   اطلاعیه‌ها و پرزنت تغییرات
   ========================================================================= */

/* ---------------------------------------------------------------- Layout (mirrors cpv2 grid spacing) */
.announcements-layout {
    max-width: 1200px;
    margin: 0 auto;
    padding-inline: 20px;
    padding-block: 0 40px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 350px;
    gap: 32px;
    align-items: start;
}

.announcements-content {
    min-width: 0;
}

/* Main column — flush content with cpv2-style 24px vertical rhythm */
.announcements-content .post-content {
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.announcements-sidebar {
    position: relative;
    min-width: 0;
}

.announcements-sidebar .sidebar-content {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* ----------------------------------------------------------- Hero (full-bleed, mirrors cpv2-hero) */
/* Match fixed header height (76px) — global .site-main uses 100px and leaves a gap */
@media (min-width: 769px) {
    .site-main.announcements-page {
        padding: 76px 0 0;
    }
}

.announcements-hero {
    width: 100vw;
    margin-inline: calc(50% - 50vw);
    background: var(--nav-bg, #f8fafc);
    border-block-end: 1px solid var(--border-color, rgba(33, 51, 100, 0.1));
    padding-block: 32px;
}

.announcements-hero__breadcrumb {
    max-width: 1200px;
    margin: 0 auto 20px;
    padding-inline: 20px;
}

.announcements-hero__breadcrumb .breadcrumb-container {
    max-width: none;
    margin: 0;
    padding: 0;
}

.announcements-hero__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding-inline: 20px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 32px;
    align-items: center;
}

.announcements-hero__info {
    direction: rtl;
    text-align: right;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    min-width: 0;
}

/* Title — role/size matches cpv2-hero__title */
.announcements-hero__title {
    margin: 0;
    font-size: clamp(1.375rem, 3vw, 2rem);
    font-weight: 700;
    line-height: 1.35;
    color: var(--text-body, #1a1a1a);
}

/* Description — role/size matches cpv2-hero__seo-text */
.announcements-hero__seo-text {
    width: 100%;
    margin: 0;
    font-size: 0.9rem;
    font-weight: 400;
    line-height: 1.75;
    color: #64748b;
    text-align: justify;
}

.announcements-hero__aside {
    min-width: 0;
}

.announcements-hero__aside .announcements-side-card {
    margin: 0;
}

/* =========================================================================
   Category TOC bar (sticky) — mirrors arzpaya-plugin-page-toc
   نوار دسته‌بندی استیکی، با badge تعداد و جعبه‌ی جستجو
   ========================================================================= */
.announcements-toc-wrap {
    width: 100%;
    margin-bottom: 32px;
}

.announcements-toc {
    width: 100vw;
    margin-inline: calc(50% - 50vw);
    background: var(--body-bg, #fff);
    border-block-end: 1px solid var(--border-color, #e5e7eb);
    z-index: 999;
}

.announcements-toc.is-sticky {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    margin-inline: 0;
    width: 100%;
    box-shadow: 0 4px 12px rgba(23, 33, 43, 0.08);
}

.announcements-toc__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

/* tab list — horizontal auto-scroll with a thin scrollbar kept at a distance
   from the tabs (same technique as the mobile facilities services rail).
   The bottom padding reserves room for the scrollbar + gap, and the matching
   negative margin cancels that space in layout so the tab size and the
   tab→navbar border distance stay unchanged and the scrollbar appearing /
   disappearing never causes layout shift (CLS). */
.announcements-toc__list {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    list-style: none;
    margin: 0 0 -12px 0;
    padding: 0 0 12px 0;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
    scrollbar-color: #c1c1c1 transparent;
    direction: rtl;
    flex: 1 1 auto;
    min-width: 0;
}

.announcements-toc__list::-webkit-scrollbar {
    height: 6px;
}

.announcements-toc__list::-webkit-scrollbar-track {
    margin-top: 6px;
    background: transparent;
    border-radius: 10px;
}

.announcements-toc__list::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 10px;
}

.announcements-toc__list::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* tab — pill, behaves as a content category tab (not an anchor link) */
.announcements-toc__tab {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 999px;
    font-family: 'IRANSansWeb', 'Tahoma', 'Arial', sans-serif;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-body, #213364);
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.announcements-toc__tab:hover {
    color: var(--accent-primary, #3d72fe);
    background: rgba(61, 114, 254, 0.06);
}

.announcements-toc__tab:focus-visible {
    outline: 2px solid var(--accent-primary, #3d72fe);
    outline-offset: 2px;
}

.announcements-toc__tab.is-active {
    color: var(--accent-primary, #3d72fe);
    background: rgba(61, 114, 254, 0.1);
    border-color: rgba(61, 114, 254, 0.25);
    font-weight: 600;
}

/* count badge */
.announcements-toc__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 18px;
    padding: 0 6px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    line-height: 1;
    background: rgba(33, 51, 100, 0.08);
    color: inherit;
}

.announcements-toc__tab.is-active .announcements-toc__count {
    background: rgba(61, 114, 254, 0.2);
}

/* search box — integrated into the bar (desktop & mobile).
   Desktop width matches the sidebar/aside column (350px) so the search field
   lines up with the widgets in the aside. */
.announcements-toc__search {
    flex: 0 0 auto;
    position: relative;
    width: 350px;
    max-width: 42%;
    display: flex;
    align-items: center;
}

/* divider + toggle icon — mobile only (hidden on desktop) */
.announcements-toc__divider {
    display: none;
    flex: 0 0 auto;
    width: 1px;
    height: 22px;
    background: var(--border-color, #e5e7eb);
    margin-inline: 8px;
}

.announcements-toc__search-toggle {
    display: none;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--text-body, #213364);
    border-radius: 8px;
    cursor: pointer;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.announcements-toc__search-toggle svg {
    width: 20px;
    height: 20px;
}

.announcements-toc__search-toggle:hover {
    color: var(--accent-primary, #3d72fe);
    background: rgba(61, 114, 254, 0.06);
}

/* Search input — matches project-wide search boxes (crypto-table / analysis),
   sized so the bar height equals page-toc (input height == tab/link height). */
.announcements-toc__search-input {
    width: 100%;
    box-sizing: border-box;
    padding: 8px 12px;
    border: 1px dashed var(--accent-primary, #3b82f6);
    border-radius: 8px;
    background: transparent;
    font-family: 'IRANSansWeb', 'Tahoma', 'Arial', sans-serif;
    font-size: 14px;
    color: var(--text-body, #213364);
    transition: all 0.3s ease;
}

.announcements-toc__search-input:focus {
    outline: none;
    border: 1px solid var(--accent-primary, #3b82f6);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.announcements-toc__search-input::placeholder {
    color: #94a3b8;
    font-family: 'IRANSansWeb', 'Tahoma', 'Arial', sans-serif;
}

/* ----------------------------------------------------------- Timeline section card */
.announcements-section {
    border-radius: 12px;
    margin-bottom: 0;
    overflow: hidden;
}

/* ----------------------------------------------------------- Timeline list */
.announcements-timeline {
    position: relative;
    padding: 0;
    margin: 0;
    list-style: none;
}

/* vertical line on the right (RTL) — offsets compensate for the removed ul
   padding so it keeps passing through the center of each item's node dot. */
.announcements-timeline::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 1rem;
    right: 13px;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-primary, #3D72FE), rgba(61, 114, 254, 0.15));
}

.announcement-item {
    position: relative;
    padding: 0 36px 1.75rem 0;
}

.announcement-item:last-child {
    padding-bottom: 0.5rem;
}

/* node dot */
.announcement-item::before {
    content: "";
    position: absolute;
    top: 6px;
    right: 3px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--card-bg, #fff);
    border: 3px solid var(--accent-primary, #3D72FE);
    z-index: 1;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.announcement-item:hover::before {
    transform: scale(1.15);
    box-shadow: 0 0 0 4px rgba(61, 114, 254, 0.15);
}

/* node accent colors by type */
.announcement-item[data-type="important"]::before { border-color: #ef4444; }
.announcement-item[data-type="update"]::before { border-color: #10b981; }
.announcement-item[data-type="event"]::before { border-color: #f59e0b; }
.announcement-item[data-type="general"]::before { border-color: #3b82f6; }

/* ----------------------------------------------------------- Card */
.announcement-card {
    background: var(--card-bg, #FFFFFF);
    border: 1px solid var(--border-color, rgba(33, 51, 100, 0.1));
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
}

.announcement-item:hover .announcement-card {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover, 0 8px 22px rgba(0, 0, 0, 0.1));
    border-color: rgba(61, 114, 254, 0.4);
}

.announcement-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.announcement-meta {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

/* Type badges */
.announcement-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.28rem 0.75rem;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    border: 1px solid transparent;
    line-height: 1;
    white-space: nowrap;
}

.announcement-badge::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.9;
}

.announcement-badge.important {
    background: #fef2f2;
    color: #dc2626;
    border-color: #fecaca;
}

.announcement-badge.update {
    background: #ecfdf5;
    color: #059669;
    border-color: #a7f3d0;
}

.announcement-badge.event {
    background: #fffbeb;
    color: #d97706;
    border-color: #fde68a;
}

.announcement-badge.general {
    background: #eff6ff;
    color: #2563eb;
    border-color: #bfdbfe;
}

/* version tag (for changelog entries) */
.announcement-version {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.72rem;
    font-weight: 700;
    color: #4f46e5;
    background: #eef2ff;
    border: 1px solid #e0e7ff;
    border-radius: 6px;
    padding: 0.22rem 0.6rem;
    direction: ltr;
    font-family: 'Tahoma', 'Arial', sans-serif;
}

.announcement-date {
    font-size: 0.8rem;
    color: var(--text-secondary, rgba(33, 51, 100, 0.6));
    font-weight: 500;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.announcement-date svg {
    width: 14px;
    height: 14px;
    opacity: 0.7;
    flex-shrink: 0;
}

.announcement-card-title {
    font-size: 1.12rem;
    font-weight: 700;
    color: var(--text-primary, #213364);
    margin: 0 0 0.6rem;
    line-height: 1.5;
}

.announcement-card-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.25s ease;
}

.announcement-card-title a:hover {
    color: var(--accent-secondary, #1b4fd8);
}

.announcement-card-body {
    color: var(--text-secondary, rgba(33, 51, 100, 0.8));
    line-height: 1.85;
    font-size: 0.92rem;
    margin: 0;
    text-align: justify;
}

.announcement-card-body p {
    margin: 0 0 0.6rem;
}

.announcement-card-body p:last-child {
    margin-bottom: 0;
}

/* changelog list inside a card */
.announcement-changelog {
    list-style: none;
    margin: 0.85rem 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.announcement-changelog li {
    position: relative;
    padding-right: 1.6rem;
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-secondary, rgba(33, 51, 100, 0.85));
}

.announcement-changelog li::before {
    content: "";
    position: absolute;
    top: 0.6rem;
    right: 0.35rem;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-primary, #3D72FE);
}

.announcement-changelog li[data-kind="new"]::before { background: #10b981; }
.announcement-changelog li[data-kind="improve"]::before { background: #3b82f6; }
.announcement-changelog li[data-kind="fix"]::before { background: #f59e0b; }

.announcement-changelog .chip {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 1px 7px;
    border-radius: 5px;
    margin-left: 0.4rem;
    vertical-align: middle;
}

.announcement-changelog .chip.new { background: #ecfdf5; color: #059669; }
.announcement-changelog .chip.improve { background: #eff6ff; color: #2563eb; }
.announcement-changelog .chip.fix { background: #fffbeb; color: #d97706; }

/* card footer / read more */
.announcement-card-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-top: 0.85rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color, rgba(33, 51, 100, 0.08));
}

.announcement-read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--accent-primary, #3D72FE);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    transition: gap 0.25s ease, color 0.25s ease;
}

.announcement-read-more:hover {
    color: var(--accent-secondary, #1b4fd8);
    gap: 0.6rem;
}

.announcement-read-more svg {
    width: 16px;
    height: 16px;
}

/* ----------------------------------------------------------- No results */
.announcements-no-results {
    display: none;
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-muted, #64748b);
}

.announcements-no-results.is-visible {
    display: block;
}

.announcements-no-results svg {
    width: 56px;
    height: 56px;
    color: #cbd5e1;
    margin-bottom: 1rem;
}

.announcements-no-results h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0 0 0.4rem;
    color: #475569;
}

.announcements-no-results p {
    font-size: 0.95rem;
    margin: 0;
}

/* ----------------------------------------------------------- Sidebar widgets reset */
.announcements-sidebar .sidebar-content .arzpaya-trade-widget,
.announcements-sidebar .sidebar-content .arzpaya-exchange-container,
.announcements-sidebar .sidebar-content .arzpaya-app-download {
    margin: 0 !important;
    max-width: 100%;
}

.announcements-sidebar .sidebar-content > * + * {
    margin-top: 24px !important;
}

.announcements-sidebar .sidebar-content .arzpaya-trade-widget,
.announcements-sidebar .sidebar-content .arzpaya-exchange-container,
.announcements-sidebar .sidebar-content .arzpaya-app-download {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Compact variant of the app-download widget for the sidebar (overrides only,
   the plugin itself is untouched). Shrinks the phone mockup + spacing so the
   whole card fits in the viewport when sticky and never slips under the navbar. */
.announcements-sidebar .arzpaya-app-download {
    padding: 18px;
}

.announcements-sidebar .arzpaya-app-download h2 {
    font-size: 18px;
    margin-bottom: 10px;
    line-height: 1.4;
}

.announcements-sidebar .arzpaya-app-download .arzpaya-description {
    font-size: 13.5px;
    line-height: 1.65;
    margin-bottom: 18px;
}

.announcements-sidebar .arzpaya-app-download .arzpaya-image-wrapper {
    margin-bottom: 18px;
}

.announcements-sidebar .arzpaya-app-download .arzpaya-image-wrapper img {
    height: 370px;
}

.announcements-sidebar .arzpaya-app-download .arzpaya-qr-button {
    width: 46px;
    height: 46px;
}

.announcements-sidebar .arzpaya-app-download .arzpaya-qr-button svg {
    width: 22px;
    height: 22px;
}

.announcements-sidebar .arzpaya-app-download .arzpaya-download-link {
    height: 46px;
    min-width: 0;
    font-size: 15px;
}

/* Sidebar info card — frosted glass lit by the project blue glow */
.announcements-side-card {
    position: relative;
    z-index: 0;
    overflow: hidden;
    padding: 24px 22px;
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.50) 0%, rgba(255, 255, 255, 0.80) 55%, rgba(255, 255, 255, 0.90) 100%);
    border: 1px solid rgba(61, 114, 254, 0.18);
    box-shadow:
        0 18px 40px rgba(33, 51, 100, 0.14),
        0 6px 18px rgba(61, 114, 254, 0.14),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

/* small blue light in the top-left corner, as if shining from behind the glass.
   Light mode uses a luminous near-white-blue core that fades to the project
   blue, so it reads as a soft glow instead of a flat, dark blue smudge. */
.announcements-side-card::before {
    content: "";
    position: absolute;
    z-index: -1;
    top: -45px;
    left: -45px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle,
        rgba(210, 227, 255, 0.62) 0%,
        rgba(150, 185, 255, 0.30) 42%,
        rgba(120, 162, 255, 0) 72%);
    filter: blur(14px);
    pointer-events: none;
}

/* lit glass rim — a soft blue highlight along the top edge */
.announcements-side-card::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: radial-gradient(140px 140px at top left, rgba(61, 114, 254, 0.65) 0%, rgba(61, 114, 254, 0) 70%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.announcements-side-card h3 {
    font-size: 1.12rem;
    font-weight: 800;
    color: var(--text-primary, #213364);
    margin: 0 0 0.7rem;
    letter-spacing: -0.01em;
}

.announcements-side-card p {
    font-size: 0.88rem;
    line-height: 1.85;
    color: var(--text-secondary, rgba(33, 51, 100, 0.82));
    margin: 0 0 1.15rem;
}

.announcements-side-card .announcements-side-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 12px 16px;
    background: linear-gradient(135deg, var(--accent-primary, #3D72FE) 0%, #5b8cff 100%);
    color: #fff;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.92rem;
    text-decoration: none;
    box-shadow: 0 8px 20px rgba(61, 114, 254, 0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.announcements-side-card .announcements-side-btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.05);
    box-shadow: 0 12px 28px rgba(61, 114, 254, 0.45);
}

/* Dark theme — deeper glass, stronger blue glow */
[data-theme="dark"] .announcements-side-card {
    background: linear-gradient(180deg, rgba(20, 30, 55, 0.55) 0%, rgba(15, 23, 42, 0.86) 60%, rgba(15, 23, 42, 0.92) 100%);
    border-color: rgba(61, 114, 254, 0.28);
    box-shadow:
        0 18px 44px rgba(2, 6, 23, 0.5),
        0 6px 18px rgba(61, 114, 254, 0.20),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .announcements-side-card::before {
    background: radial-gradient(60% 100% at 50% 0%, rgba(61, 114, 254, 0.60) 0%, rgba(61, 114, 254, 0) 72%);
}

[data-theme="dark"] .announcements-side-card h3 {
    color: var(--text-primary, #f1f5f9);
}

[data-theme="dark"] .announcements-side-card p {
    color: var(--text-secondary, #94a3b8);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .announcements-side-card {
        background: linear-gradient(180deg, rgba(20, 30, 55, 0.55) 0%, rgba(15, 23, 42, 0.86) 60%, rgba(15, 23, 42, 0.92) 100%);
        border-color: rgba(61, 114, 254, 0.28);
        box-shadow:
            0 18px 44px rgba(2, 6, 23, 0.5),
            0 6px 18px rgba(61, 114, 254, 0.20),
            inset 0 1px 0 rgba(255, 255, 255, 0.06);
    }

    :root:not([data-theme="light"]) .announcements-side-card::before {
        background: radial-gradient(60% 100% at 50% 0%, rgba(61, 114, 254, 0.60) 0%, rgba(61, 114, 254, 0) 72%);
    }

    :root:not([data-theme="light"]) .announcements-side-card h3 {
        color: #f1f5f9;
    }

    :root:not([data-theme="light"]) .announcements-side-card p {
        color: #94a3b8;
    }
}

/* Sticky widget (desktop) */
.announcements-sidebar .sticky-sidebar-widget {
    position: relative;
    width: 100%;
    transition: none;
}

@media (min-width: 1025px) {
    .announcements-sidebar .sticky-sidebar-widget.is-sticky {
        position: fixed;
        top: 80px;
        width: 350px;
        max-width: 350px;
        z-index: 10;
    }

    .announcements-sidebar .sticky-sidebar-widget .arzpaya-trade-widget,
    .announcements-sidebar .sticky-sidebar-widget .arzpaya-exchange-container,
    .announcements-sidebar .sticky-sidebar-widget .arzpaya-app-download {
        margin: 0 !important;
    }
}

/* ----------------------------------------------------------- Mobile helpers */
.mobile-trade-widget {
    display: none;
    margin-top: 0;
}

.mobile-breadcrumb {
    display: none;
    margin-bottom: 1rem;
}

.desktop-breadcrumb {
    margin-bottom: 2rem;
}

/* ----------------------------------------------------------- Responsive */
@media (max-width: 1024px) {
    .announcements-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .announcements-sidebar {
        display: none;
    }

    .mobile-trade-widget {
        display: block;
    }

    .announcements-hero__inner {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .announcements-layout {
        padding-inline: 16px;
        padding-block: 0 30px;
        gap: 24px;
    }

    .mobile-breadcrumb {
        display: block;
    }

    .desktop-breadcrumb {
        display: none;
    }

    .announcements-hero {
        padding-block: 24px;
    }

    .announcements-toc-wrap {
        margin-bottom: 24px;
    }

    .announcements-hero__breadcrumb,
    .announcements-hero__inner {
        padding-inline: 16px;
    }

    .announcements-hero__title {
        font-size: 2rem;
        font-weight: 700;
        line-height: 1.35;
    }

    .announcements-hero__seo-text {
        font-size: 0.85rem;
    }

    /* Sticky bar (mobile): single row — links scroll, search icon at the
       far-left end separated by a divider; tapping the icon expands the input
       as a full-width overlay (the bar height stays fixed). */
    .announcements-toc__inner {
        flex-direction: row;
        align-items: center;
        gap: 0;
        padding-inline: 16px;
        position: relative; /* anchor for the expanding search field */
    }

    .announcements-toc__list {
        flex: 1 1 auto;
        min-width: 0;
    }

    .announcements-toc__tab {
        font-size: 13px;
        padding: 7px 14px;
    }

    .announcements-toc__search {
        width: auto;
        max-width: none;
        flex: 0 0 auto;
        position: static;
    }

    .announcements-toc__divider {
        display: inline-flex;
    }

    /* icon button height matches the search field height */
    .announcements-toc__search-toggle {
        display: inline-flex;
        position: relative;
        z-index: 3; /* stays above the open search field */
        width: 36px;
        height: 36px;
    }

    .announcements-toc__search-toggle svg {
        width: 18px;
        height: 18px;
    }

    /* collapsed overlay; expands left-to-right to full width on .is-open.
       Absolute so it never changes the bar height. */
    .announcements-toc__search-input {
        position: absolute;
        top: 50%;
        left: 16px;
        transform: translateY(-50%);
        width: 0;
        height: 36px;
        box-sizing: border-box;
        padding: 0;
        border-width: 0;
        opacity: 0;
        overflow: hidden;
        background: var(--body-bg, #fff);
        z-index: 2;
    }

    .announcements-toc__search.is-open .announcements-toc__search-input {
        width: calc(100vw - 32px);
        padding: 7px 12px;
        border-width: 1px;
        opacity: 1;
    }

    /* hide the divider once the search field is open for a cleaner look */
    .announcements-toc__search.is-open .announcements-toc__divider {
        display: none;
    }

    .announcements-timeline {
        padding: 0;
    }

    .announcements-timeline::before {
        right: 13px;
    }

    .announcement-item {
        padding-right: 30px;
    }

    .announcement-card {
        padding: 1rem 1.1rem;
    }

    .announcement-card-title {
        font-size: 1.02rem;
    }
}

@media (max-width: 480px) {
    .announcements-layout {
        padding-inline: 12px;
    }

    .announcements-hero__breadcrumb,
    .announcements-hero__inner {
        padding-inline: 12px;
    }

    .announcements-toc__inner {
        padding-inline: 12px;
    }

    .announcements-toc__search-input {
        left: 12px;
    }

    .announcements-toc__search.is-open .announcements-toc__search-input {
        width: calc(100vw - 24px);
    }

    .announcements-hero__title {
        font-size: 1.35rem;
    }

    .announcement-card-head {
        gap: 0.5rem;
    }
}

/* =========================================================================
   Dark theme (data-theme="dark")
   ========================================================================= */
[data-theme="dark"] .announcement-card,
[data-theme="dark"] .announcements-side-card {
    background: var(--card-bg, #1a2332);
    border-color: var(--border-color, rgba(255, 255, 255, 0.1));
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

[data-theme="dark"] .announcements-hero {
    background: var(--card-bg, #1a2332);
    border-color: var(--border-color, rgba(255, 255, 255, 0.1));
}

[data-theme="dark"] .announcements-hero__title {
    color: var(--text-heading, #FFFFFF);
}

[data-theme="dark"] .announcements-hero__seo-text {
    color: rgba(255, 255, 255, 0.6);
}

[data-theme="dark"] .announcement-card-title,
[data-theme="dark"] .announcement-card-title a,
[data-theme="dark"] .announcements-side-card h3 {
    color: var(--text-primary, #FFFFFF);
}

[data-theme="dark"] .announcement-card-body,
[data-theme="dark"] .announcement-changelog li,
[data-theme="dark"] .announcements-side-card p {
    color: var(--text-secondary, rgba(255, 255, 255, 0.8));
}

[data-theme="dark"] .announcement-item::before {
    background: var(--card-bg, #1a2332);
}

[data-theme="dark"] .announcement-card-footer,
[data-theme="dark"] .announcement-changelog {
    border-color: rgba(255, 255, 255, 0.1);
}

/* Sticky TOC bar — dark mode (mirrors page-toc) */
[data-theme="dark"] .announcements-toc {
    background: var(--body-bg, #0f1419);
    border-color: var(--border-color, #2d3748);
}

[data-theme="dark"] .announcements-toc.is-sticky {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}

[data-theme="dark"] .announcements-toc__tab {
    color: var(--text-body, #e2e8f0);
}

[data-theme="dark"] .announcements-toc__tab:hover,
[data-theme="dark"] .announcements-toc__tab.is-active {
    color: var(--accent-primary, #6b9bff);
    background: rgba(107, 155, 255, 0.12);
}

[data-theme="dark"] .announcements-toc__count {
    background: rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .announcements-toc__list {
    scrollbar-color: #4a5568 transparent;
}

[data-theme="dark"] .announcements-toc__list::-webkit-scrollbar-thumb {
    background: #4a5568;
}

[data-theme="dark"] .announcements-toc__list::-webkit-scrollbar-thumb:hover {
    background: #5a6578;
}

[data-theme="dark"] .announcements-toc__search-input {
    background: var(--card-bg, #1f1f1f);
    color: var(--text-body, #e5e5e5);
    border: 1px dashed var(--accent-primary, #3b82f6);
}

[data-theme="dark"] .announcements-toc__search-input:focus {
    background: var(--card-bg, #1f1f1f);
    border: 1px solid var(--accent-primary, #3b82f6);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .announcement-date {
    color: rgba(255, 255, 255, 0.6);
}

/* =========================================================================
   Dark theme (prefers-color-scheme) fallback
   ========================================================================= */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .announcements-hero {
        background: var(--card-bg, #1a2332);
        border-color: var(--border-color, rgba(255, 255, 255, 0.1));
    }

    :root:not([data-theme="light"]) .announcements-hero__seo-text {
        color: rgba(255, 255, 255, 0.6);
    }

    :root:not([data-theme="light"]) .announcement-card,
    :root:not([data-theme="light"]) .announcements-side-card {
        background: var(--card-bg, #1a2332);
        border-color: var(--border-color, rgba(255, 255, 255, 0.1));
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    }

    :root:not([data-theme="light"]) .announcement-card-title,
    :root:not([data-theme="light"]) .announcement-card-title a {
        color: var(--text-primary, #FFFFFF);
    }

    :root:not([data-theme="light"]) .announcement-card-body {
        color: var(--text-secondary, rgba(255, 255, 255, 0.8));
    }

    :root:not([data-theme="light"]) .announcement-item::before {
        background: var(--card-bg, #1a2332);
    }

    :root:not([data-theme="light"]) .announcements-toc {
        background: var(--body-bg, #0f1419);
        border-color: var(--border-color, rgba(255, 255, 255, 0.1));
    }

    :root:not([data-theme="light"]) .announcements-toc__tab {
        color: var(--text-body, #e2e8f0);
    }

    :root:not([data-theme="light"]) .announcements-toc__tab:hover,
    :root:not([data-theme="light"]) .announcements-toc__tab.is-active {
        color: var(--accent-primary, #6b9bff);
        background: rgba(107, 155, 255, 0.12);
    }

    :root:not([data-theme="light"]) .announcements-toc__search-input {
        background: var(--card-bg, #1f1f1f);
        color: var(--text-body, #e5e5e5);
        border: 1px dashed var(--accent-primary, #3b82f6);
    }

    :root:not([data-theme="light"]) .announcements-toc__search-input:focus {
        border: 1px solid var(--accent-primary, #3b82f6);
        box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
    }
}