/* Trang member "Tin từ RioHub" — /announcements + /announcements/{id} */

.ama-hero { padding: 1.5rem 0 1rem; }
.ama-hero h1 { font-weight: 800; font-size: 1.5rem; }
.ama-hero p { color: #6B7280; margin: 0; }

.ama-card {
    display: block;
    background: #fff;
    border: 1.5px solid #E5E7EB;
    border-radius: 1rem;
    padding: 1.1rem 1.3rem;
    margin-bottom: .9rem;
    text-decoration: none;
    color: inherit;
    transition: border-color .15s ease;
}
.ama-card:hover { border-color: #F97316; }
.dark-mode .ama-card { background: #1e2130; border-color: #2d3149; }

.ama-card-head { display: flex; align-items: center; gap: .5rem; }
.ama-card-head h3 { font-size: 1rem; font-weight: 800; margin: 0; flex: 1; }
.ama-unread-dot { width: .5rem; height: .5rem; border-radius: 50%; background: #F97316; flex-shrink: 0; }
.ama-pin { font-size: .7rem; font-weight: 700; color: #92400E; background: #FEF3C7; border-radius: 999px; padding: .1rem .55rem; white-space: nowrap; }

.ama-excerpt { color: #6B7280; font-size: .88rem; margin: .4rem 0 0; }

.ama-card-foot { display: flex; align-items: center; gap: .7rem; margin-top: .6rem; font-size: .78rem; }
.ama-campaign-tag { color: #4338CA; font-weight: 700; }
.ama-deadline { color: #6B7280; font-weight: 600; }
.ama-deadline.overdue { color: #EF4444; }

.ama-cover { width: 100%; max-height: 320px; object-fit: cover; border-radius: 1rem; margin-bottom: 1rem; }
.ama-detail-title { font-weight: 800; font-size: 1.4rem; margin-bottom: .4rem; }
.ama-detail-meta { margin-bottom: 1rem; font-size: .85rem; }
.ama-body { white-space: pre-line; font-size: .95rem; line-height: 1.6; margin-bottom: 1.2rem; }
.ama-body a { color: #4338CA; font-weight: 600; word-break: break-all; }
.ama-detail-actions { margin-bottom: 1.2rem; }
.ama-detail-actions:empty { display: none; }

.ama-ack-btn { margin-top: .5rem; }
.ama-acked { color: #065F46; background: #D1FAE5; border-radius: .6rem; padding: .6rem 1rem; font-weight: 700; display: inline-flex; align-items: center; gap: .4rem; }