/* announcements page styles (extracted from inline <style>, tokenized for theming) */
.announcements-page {
            max-width: 1000px;
            margin: 0 auto;
            padding: 2rem 1.5rem 4rem;
        }

        .page-header {
            text-align: center;
            margin-bottom: 2.5rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--border);
        }

        .announcements-list {
            display: grid;
            gap: 1.5rem;
        }

        .announcement-item {
            background: var(--surface);
            border-radius: 8px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            overflow: hidden;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .announcement-item:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        }

        .announcement-header {
            padding: 1.25rem 1.5rem;
            background: var(--surface-2);
            border-bottom: 1px solid var(--border);
        }

        .announcement-category {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 0.5rem;
        }

        .announcement-title {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--section-title-color);
            margin: 0.5rem 0 0.25rem;
        }

        .announcement-meta {
            display: flex;
            align-items: center;
            color: var(--text-2);
            font-size: 0.9rem;
            margin-top: 0.5rem;
        }

        .announcement-date {
            display: flex;
            align-items: center;
        }

        .announcement-date i {
            margin-right: 0.5rem;
            color: #999;
        }

        .announcement-content {
            padding: 1.5rem;
        }

        .announcement-content p {
            margin: 0 0 1rem;
            line-height: 1.6;
            color: var(--text);
        }

        .announcement-content ol,
        .announcement-content ul {
            padding-left: 20px;
            margin: 15px 0;
        }

        .announcement-content li {
            margin-bottom: 0.5rem;
            line-height: 1.5;
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            color: var(--secondary-color);
            font-weight: 500;
            margin-top: 1rem;
            text-decoration: none;
        }

        .read-more i {
            margin-left: 0.5rem;
            transition: transform 0.2s ease;
        }

        .read-more:hover i {
            transform: translateX(3px);
        }

        /* Footer two-column layout */
        .footer-links-container {
            display: flex;
            gap: 2rem;
        }

        .footer-links-column {
            margin: 0;
            padding: 0 0 0 1.5rem;
            list-style: disc;
        }

        @media (max-width: 768px) {
            .footer-links-container {
                flex-direction: column;
                gap: 0;
            }
        }

        @media (max-width: 768px) {
            .screenshot-gallery {
                grid-template-columns: 1fr;
                max-width: 100%;
            }
        }

        @media (max-width: 768px) {
            .screenshot-gallery {
                grid-template-columns: 1fr;
                max-width: 100%;
            }
        }

        /* Category Colors */
        .category-opportunity { background: #e3f2fd; color: #1565c0; }
        .category-news { background: #e8f5e9; color: #2e7d32; }
        .category-update { background: #fff3e0; color: #e65100; }
        .category-event { background: #ede7f6; color: #5e35b1; }

        @media (max-width: 768px) {
            .announcements-page {
                padding: 1.5rem 1rem 3rem;
            }

            .announcement-header {
                padding: 1rem;
            }

            .announcement-content {
                padding: 1.25rem 1rem;
            }
        }

        /* Presentation Schedule Table Styles */
        .table-responsive {
            overflow-x: auto;
        }
        .presentation-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 1rem;
            font-size: 0.95rem;
        }
        .presentation-table thead {
            background: var(--surface-2);
        }
        .presentation-table th,
        .presentation-table td {
            padding: 12px 15px;
            border: 1px solid var(--border);
            text-align: left;
        }
        .presentation-table th {
            font-weight: 600;
            color: var(--text);
        }
        .presentation-table tbody tr:nth-child(even) {
            background: var(--surface-2);
        }
        .presentation-table tbody tr:hover {
            background: var(--surface-2);
        }
        .presentation-table td.topic {
            font-style: italic;
            color: var(--text-2);
        }

        .announcement-collapsible > summary {
            list-style: none;
        }

        .announcement-collapsible > summary::-webkit-details-marker {
            display: none;
        }

        .announcement-collapsible > summary .announcement-header {
            cursor: pointer;
            user-select: none;
        }

        .announcement-chevron {
            margin-left: auto;
            color: #999;
            transition: transform 0.2s ease;
        }

        details.announcement-collapsible[open] .announcement-chevron {
            transform: rotate(180deg);
        }