/* 公告系統樣式 */

/* 公告容器 */
.announcements-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

/* 公告卡片 */
.announcement-card {
  background: white;
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  margin-bottom: 16px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  overflow: hidden;
}

.announcement-card:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

.announcement-card.unread {
  border-left: 4px solid #007bff;
  background: #f8f9ff;
}

.announcement-card.read {
  opacity: 0.8;
}

/* 公告標題區域 */
.announcement-header {
  padding: 16px 20px 12px;
  border-bottom: 1px solid #f0f0f0;
  background: #fafafa;
}

.announcement-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: #333;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.announcement-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

/* 公告內容 */
.announcement-content {
  padding: 16px 20px;
  color: #555;
  line-height: 1.6;
}

.announcement-content p {
  margin: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* 公告底部 */
.announcement-footer {
  padding: 12px 20px;
  background: #f8f9fa;
  border-top: 1px solid #e0e0e0;
  display: flex;
  justify-content: flex-end;
}

/* 通知樣式 */
.announcement-notification {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  max-width: 400px;
  background: white;
  border: 1px solid #ddd;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.notification-content {
  padding: 16px;
}

.notification-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  font-weight: 600;
  color: #333;
}

.notification-body h6 {
  margin: 0 0 8px 0;
  color: #333;
  font-size: 1rem;
}

.notification-body p {
  margin: 0;
  color: #666;
  font-size: 0.9rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.notification-footer {
  margin-top: 12px;
  text-align: right;
}

/* 公告徽章 */
.announcements-badge {
  background: #dc3545;
  color: white;
  border-radius: 50%;
  padding: 2px 6px;
  font-size: 0.75rem;
  font-weight: bold;
  min-width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 4px;
}

/* 響應式設計 */
@media (max-width: 768px) {
  .announcements-container {
    padding: 10px;
  }

  .announcement-card {
    margin-bottom: 12px;
  }

  .announcement-header {
    padding: 12px 16px 8px;
  }

  .announcement-content {
    padding: 12px 16px;
  }

  .announcement-footer {
    padding: 8px 16px;
  }

  .announcement-notification {
    top: 10px;
    right: 10px;
    left: 10px;
    max-width: none;
  }

  .announcement-title {
    font-size: 1rem;
  }

  .announcement-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

/* 優先級顏色 */
.priority-urgent {
  border-left-color: #dc3545 !important;
}

.priority-high {
  border-left-color: #fd7e14 !important;
}

.priority-medium {
  border-left-color: #ffc107 !important;
}

.priority-low {
  border-left-color: #6c757d !important;
}

/* 類型顏色 */
.type-info {
  color: #0dcaf0;
}

.type-warning {
  color: #ffc107;
}

.type-success {
  color: #198754;
}

.type-error {
  color: #dc3545;
}

/* 動畫效果 */
.announcement-card {
  animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 載入狀態 */
.announcements-loading {
  text-align: center;
  padding: 40px 20px;
  color: #666;
}

.announcements-loading .spinner-border {
  width: 2rem;
  height: 2rem;
  margin-bottom: 16px;
}

/* 空狀態 */
.announcements-empty {
  text-align: center;
  padding: 60px 20px;
  color: #999;
}

.announcements-empty i {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

/* 置頂公告特殊樣式 */
.announcement-card.pinned {
  border: 2px solid #ffc107;
  background: linear-gradient(135deg, #fff9e6 0%, #ffffff 100%);
}

.announcement-card.pinned .announcement-header {
  background: linear-gradient(135deg, #fff3cd 0%, #f8f9fa 100%);
}

/* 緊急公告特殊樣式 */
.announcement-card.urgent {
  border: 2px solid #dc3545;
  background: linear-gradient(135deg, #ffe6e6 0%, #ffffff 100%);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(220, 53, 69, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(220, 53, 69, 0);
  }
}

/* 按鈕樣式 */
.btn-announcement {
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn-announcement:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 徽章樣式 */
.badge-announcement {
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 12px;
  font-weight: 500;
}

/* 時間樣式 */
.announcement-time {
  font-size: 0.8rem;
  color: #999;
  font-weight: 400;
}

/* 標題圖標 */
.announcement-icon {
  margin-right: 8px;
  font-size: 1.2rem;
}

.announcement-icon.info {
  color: #0dcaf0;
}

.announcement-icon.warning {
  color: #ffc107;
}

.announcement-icon.success {
  color: #198754;
}

.announcement-icon.error {
  color: #dc3545;
}