/* Admin Activity */
/* 后台活动管理 */

.admin-activity-panel {
    display: grid;
    gap: 20px;
}

.admin-activity-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 18px;
    border-bottom: 1px solid #e5e7eb;
}

.admin-activity-header h3 {
    margin: 0 0 6px;
    padding: 0;
    border: none;
}

.admin-activity-header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    flex-wrap: wrap;
}

.admin-activity-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.admin-activity-inline-form {
    margin: 0;
}

.admin-btn-light {
    background: #f3f4f6;
    color: #111827;
    border-radius: 6px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.admin-btn-light:hover {
    background: #e5e7eb;
    color: #111827;
}

.admin-activity-status,
.admin-activity-user-status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 28px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

.admin-activity-status-active {
    background: #dcfce7;
    color: #166534;
}

.admin-activity-status-ended {
    background: #fee2e2;
    color: #991b1b;
}

.admin-activity-user-status-pending {
    background: #fef3c7;
    color: #92400e;
}

.admin-activity-user-status-completed {
    background: #dcfce7;
    color: #166534;
}

.admin-activity-excerpt {
    max-width: 420px;
    line-height: 1.6;
    color: #374151;
}

.admin-activity-detail-card {
    padding: 18px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    background: #f9fafb;
}

.admin-activity-detail-card h4 {
    margin: 0 0 10px;
    font-size: 18px;
    color: #111827;
}

.admin-activity-content {
    color: #374151;
    line-height: 1.7;
}

.admin-activity-content p {
    margin: 0 0 10px;
}

.admin-activity-user-cell {
    display: flex;
    align-items: center;
}

.admin-activity-user-cell img {
    width: 42px;
    height: 42px;
    border-radius: 999px;
    display: block;
}

.admin-activity-form {
    max-width: 760px;
}

@media (max-width: 900px) {
    .admin-activity-header {
        flex-direction: column;
        align-items: stretch;
    }

    .admin-activity-header-actions {
        justify-content: flex-start;
    }

    .admin-activity-actions {
        align-items: flex-start;
    }
}