/* =============================================
   EABaseHub: ประชาสัมพันธ์ - Homepage Section
   File: /css/components/announcements.css
   
   ใช้ CSS Variables จาก index.css
   ============================================= */

/* --- Section Container --- */
.announce-section {
    background: var(--bg-surface);
    border: var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-top: 14px;
}

.announce-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--teal-50);
}

.announce-header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.announce-header-left .material-symbols-outlined {
    font-size: 22px;
    color: var(--teal-700);
}

.announce-header-left h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0;
}

/* Badge ข่าวใหม่ */
.announce-badge {
    background: #ef4444;
    color: #fff;
    font-size: 10px;
    font-weight: 500;
    padding: 1px 7px;
    border-radius: 20px;
    min-width: 18px;
    text-align: center;
    line-height: 1.6;
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

.announce-header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.announce-view-all {
    font-size: 12px;
    color: var(--teal-400);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition);
}

.announce-view-all:hover {
    color: var(--teal-700);
    text-decoration: underline;
}

.announce-btn-add {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: linear-gradient(135deg, var(--teal-700), var(--teal-400));
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 5px 12px;
    font-family: 'Kanit', sans-serif;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.announce-btn-add:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(63, 183, 174, 0.35);
}

.announce-btn-add .material-symbols-outlined {
    font-size: 16px;
}

/* --- Card List --- */
.announce-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 4px;
}

.announce-list::-webkit-scrollbar {
    width: 4px;
}

.announce-list::-webkit-scrollbar-track {
    background: var(--mint-50);
    border-radius: 10px;
}

.announce-list::-webkit-scrollbar-thumb {
    background: var(--mint-200);
    border-radius: 10px;
}

/* --- Announcement Card --- */
.announce-card {
    display: flex;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    background: var(--mint-50);
    border: 1px solid var(--teal-100);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}

.announce-card:hover {
    background: var(--mint-100);
    border-color: var(--mint-200);
    transform: translateX(3px);
    box-shadow: var(--shadow-xs);
}

.announce-card.is-pinned {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border-color: #fbbf24;
    border-left: 3px solid #f59e0b;
}

.announce-card.is-pinned:hover {
    background: linear-gradient(135deg, #fef9e7 0%, #fde68a 100%);
}

.announce-card.is-unread::before {
    content: '';
    position: absolute;
    top: 8px;
    left: -2px;
    width: 7px;
    height: 7px;
    background: var(--teal-400);
    border-radius: 50%;
    box-shadow: 0 0 6px rgba(63, 183, 174, 0.5);
}

/* Card image thumbnail */
.announce-card-thumb {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: linear-gradient(135deg, var(--mint-100), var(--mint-200));
    display: flex;
    align-items: center;
    justify-content: center;
}

.announce-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.announce-card-thumb .material-symbols-outlined {
    font-size: 24px;
    color: var(--teal-400);
}

/* Card body */
.announce-card-body {
    flex: 1;
    min-width: 0;
}

.announce-card-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 3px;
}

.announce-category {
    font-size: 10px;
    font-weight: 500;
    padding: 1px 7px;
    border-radius: 4px;
    letter-spacing: 0.2px;
}

.announce-category.general {
    background: var(--teal-50);
    color: var(--teal-700);
}

.announce-category.important {
    background: #fef3c7;
    color: #92400e;
}

.announce-category.update {
    background: #dbeafe;
    color: #1e40af;
}

.announce-category.event {
    background: #ede9fe;
    color: #5b21b6;
}

.announce-pin-icon {
    font-size: 13px;
    color: #f59e0b;
}

.announce-card-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0 0 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.announce-card-excerpt {
    font-size: 11.5px;
    color: var(--text-muted);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}

.announce-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 4px;
}

.announce-card-date {
    font-size: 10.5px;
    color: var(--gray-400);
    display: flex;
    align-items: center;
    gap: 3px;
}

.announce-card-date .material-symbols-outlined {
    font-size: 13px;
}

.announce-card-attachment {
    display: flex;
    align-items: center;
    gap: 2px;
    font-size: 10.5px;
    color: var(--teal-400);
}

.announce-card-attachment .material-symbols-outlined {
    font-size: 13px;
}

/* --- Empty State --- */
.announce-empty {
    text-align: center;
    padding: 32px 16px;
}

.announce-empty .material-symbols-outlined {
    font-size: 40px;
    color: var(--mint-200);
    margin-bottom: 8px;
}

.announce-empty p {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
}

/* --- Detail Modal --- */
.announce-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 50, 48, 0.45);
    backdrop-filter: blur(4px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.announce-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.announce-modal {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    transform: translateY(20px) scale(0.97);
    transition: transform 0.3s ease;
    position: relative;
}

.announce-modal-overlay.active .announce-modal {
    transform: translateY(0) scale(1);
}

.announce-modal-cover {
    width: 100%;
    max-height: 220px;
    object-fit: cover;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.announce-modal-content {
    padding: 20px;
}

.announce-modal-content .announce-category {
    font-size: 11px;
    margin-bottom: 6px;
    display: inline-block;
}

.announce-modal-content h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 6px 0 10px;
}

.announce-modal-info {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
    font-size: 11.5px;
    color: var(--gray-400);
}

.announce-modal-info span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.announce-modal-info .material-symbols-outlined {
    font-size: 15px;
}

.announce-modal-body {
    font-size: 13.5px;
    color: var(--text-secondary);
    line-height: 1.8;
    white-space: pre-wrap;
}

.announce-modal-attachments {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--teal-50);
}

.announce-modal-attachments h4 {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0 0 8px;
}

.announce-attach-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    background: var(--sage-50);
    border: 1px solid var(--sage-100);
    font-size: 12px;
    color: var(--sage-700);
    text-decoration: none;
    transition: all var(--transition);
    margin-right: 6px;
    margin-bottom: 6px;
}

.announce-attach-link:hover {
    background: var(--sage-100);
    transform: translateY(-1px);
}

.announce-attach-link .material-symbols-outlined {
    font-size: 16px;
}

.announce-modal-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    z-index: 1;
}

.announce-modal-close:hover {
    background: #fff;
    box-shadow: var(--shadow-sm);
}

.announce-modal-close .material-symbols-outlined {
    font-size: 18px;
    color: var(--gray-500);
}

/* --- Skeleton Loading --- */
.announce-skeleton {
    display: flex;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    background: var(--mint-50);
    border: 1px solid var(--teal-100);
}

.announce-skeleton .skel-thumb {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    background: linear-gradient(90deg, var(--mint-100) 25%, var(--mint-50) 50%, var(--mint-100) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

.announce-skeleton .skel-line {
    height: 10px;
    border-radius: 5px;
    background: linear-gradient(90deg, var(--mint-100) 25%, var(--mint-50) 50%, var(--mint-100) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    margin-bottom: 6px;
}

.announce-skeleton .skel-line.w60 { width: 60%; }
.announce-skeleton .skel-line.w80 { width: 80%; }
.announce-skeleton .skel-line.w40 { width: 40%; }

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

/* --- Responsive --- */
@media (max-width: 767px) {
    .announce-section {
        padding: 14px;
        margin-top: 10px;
    }

    .announce-card-thumb {
        width: 44px;
        height: 44px;
    }

    .announce-modal {
        width: 95%;
        max-height: 90vh;
    }

    .announce-modal-content {
        padding: 16px;
    }
}